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Apply clang-format to all headers and source (#303)

This commit is contained in:
Dominic Hamon 2016-10-07 11:35:03 -07:00 committed by GitHub
parent 1100e91907
commit 332f677b8b
27 changed files with 550 additions and 643 deletions
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4
include/benchmark/benchmark.h
View File

@ -14,8 +14,8 @@
#ifndef BENCHMARK_BENCHMARK_H_
#define BENCHMARK_BENCHMARK_H_
#include "macros.h"
#include "benchmark_api.h"
#include "macros.h"
#include "reporter.h"
#endif // BENCHMARK_BENCHMARK_H_
#endif // BENCHMARK_BENCHMARK_H_

319
include/benchmark/benchmark_api.h
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@ -153,8 +153,8 @@ BENCHMARK(BM_test)->Unit(benchmark::kMillisecond);
#include <stddef.h>
#include <stdint.h>
#include <vector>
#include <string>
#include <vector>
#include "macros.h"
@ -174,7 +174,8 @@ void Initialize(int* argc, char** argv);
// report the results.
//
// The second and third overload use the specified 'console_reporter' and
// 'file_reporter' respectively. 'file_reporter' will write to the file specified
// 'file_reporter' respectively. 'file_reporter' will write to the file
// specified
// by '--benchmark_output'. If '--benchmark_output' is not given the
// 'file_reporter' is ignored.
//
@ -184,7 +185,6 @@ size_t RunSpecifiedBenchmarks(BenchmarkReporter* console_reporter);
size_t RunSpecifiedBenchmarks(BenchmarkReporter* console_reporter,
BenchmarkReporter* file_reporter);
// If this routine is called, peak memory allocation past this point in the
// benchmark is reported at the end of the benchmark report line. (It is
// computed by running the benchmark once with a single iteration and a memory
@ -197,8 +197,9 @@ class Benchmark;
class BenchmarkImp;
class BenchmarkFamilies;
template <class T> struct Voider {
typedef void type;
template <class T>
struct Voider {
typedef void type;
};
template <class T, class = void>
@ -206,7 +207,7 @@ struct EnableIfString {};
template <class T>
struct EnableIfString<T, typename Voider<typename T::basic_string>::type> {
typedef int type;
typedef int type;
};
void UseCharPointer(char const volatile*);
@ -219,8 +220,7 @@ Benchmark* RegisterBenchmarkInternal(Benchmark*);
int InitializeStreams();
BENCHMARK_UNUSED static int stream_init_anchor = InitializeStreams();
} // end namespace internal
} // end namespace internal
// The DoNotOptimize(...) function can be used to prevent a value or
// expression from being optimized away by the compiler. This function is
@ -229,45 +229,32 @@ BENCHMARK_UNUSED static int stream_init_anchor = InitializeStreams();
#if defined(__GNUC__)
template <class Tp>
inline BENCHMARK_ALWAYS_INLINE void DoNotOptimize(Tp const& value) {
asm volatile("" : : "g"(value) : "memory");
asm volatile("" : : "g"(value) : "memory");
}
// Force the compiler to flush pending writes to global memory. Acts as an
// effective read/write barrier
inline BENCHMARK_ALWAYS_INLINE void ClobberMemory() {
asm volatile("" : : : "memory");
asm volatile("" : : : "memory");
}
#else
template <class Tp>
inline BENCHMARK_ALWAYS_INLINE void DoNotOptimize(Tp const& value) {
internal::UseCharPointer(&reinterpret_cast<char const volatile&>(value));
internal::UseCharPointer(&reinterpret_cast<char const volatile&>(value));
}
// FIXME Add ClobberMemory() for non-gnu compilers
#endif
// TimeUnit is passed to a benchmark in order to specify the order of magnitude
// for the measured time.
enum TimeUnit {
kNanosecond,
kMicrosecond,
kMillisecond
};
enum TimeUnit { kNanosecond, kMicrosecond, kMillisecond };
// BigO is passed to a benchmark in order to specify the asymptotic computational
// complexity for the benchmark. In case oAuto is selected, complexity will be
// BigO is passed to a benchmark in order to specify the asymptotic
// computational
// complexity for the benchmark. In case oAuto is selected, complexity will be
// calculated automatically to the best fit.
enum BigO {
oNone,
o1,
oN,
oNSquared,
oNCubed,
oLogN,
oNLogN,
oAuto,
oLambda
};
enum BigO { oNone, o1, oN, oNSquared, oNCubed, oLogN, oNLogN, oAuto, oLambda };
// BigOFunc is passed to a benchmark in order to specify the asymptotic
// BigOFunc is passed to a benchmark in order to specify the asymptotic
// computational complexity for the benchmark.
typedef double(BigOFunc)(int);
@ -280,17 +267,16 @@ enum ReportMode : unsigned {
#else
enum ReportMode {
#endif
RM_Unspecified, // The mode has not been manually specified
RM_Default, // The mode is user-specified as default.
RM_ReportAggregatesOnly
RM_Unspecified, // The mode has not been manually specified
RM_Default, // The mode is user-specified as default.
RM_ReportAggregatesOnly
};
}
// State is passed to a running Benchmark and contains state for the
// benchmark to use.
class State {
public:
public:
// Returns true if the benchmark should continue through another iteration.
// NOTE: A benchmark may not return from the test until KeepRunning() has
// returned false.
@ -365,27 +351,21 @@ public:
//
// REQUIRES: a benchmark has exited its KeepRunning loop.
BENCHMARK_ALWAYS_INLINE
void SetBytesProcessed(size_t bytes) {
bytes_processed_ = bytes;
}
void SetBytesProcessed(size_t bytes) { bytes_processed_ = bytes; }
BENCHMARK_ALWAYS_INLINE
size_t bytes_processed() const {
return bytes_processed_;
}
size_t bytes_processed() const { return bytes_processed_; }
// If this routine is called with complexity_n > 0 and complexity report is requested for the
// family benchmark, then current benchmark will be part of the computation and complexity_n will
// If this routine is called with complexity_n > 0 and complexity report is
// requested for the
// family benchmark, then current benchmark will be part of the computation
// and complexity_n will
// represent the length of N.
BENCHMARK_ALWAYS_INLINE
void SetComplexityN(int complexity_n) {
complexity_n_ = complexity_n;
}
void SetComplexityN(int complexity_n) { complexity_n_ = complexity_n; }
BENCHMARK_ALWAYS_INLINE
int complexity_length_n() {
return complexity_n_;
}
int complexity_length_n() { return complexity_n_; }
// If this routine is called with items > 0, then an items/s
// label is printed on the benchmark report line for the currently
@ -394,14 +374,10 @@ public:
//
// REQUIRES: a benchmark has exited its KeepRunning loop.
BENCHMARK_ALWAYS_INLINE
void SetItemsProcessed(size_t items) {
items_processed_ = items;
}
void SetItemsProcessed(size_t items) { items_processed_ = items; }
BENCHMARK_ALWAYS_INLINE
size_t items_processed() const {
return items_processed_;
}
size_t items_processed() const { return items_processed_; }
// If this routine is called, the specified label is printed at the
// end of the benchmark report line for the currently executing
@ -422,7 +398,7 @@ public:
// has the nested typename `basic_string`. This typename should be provided
// as an injected class name in the case of std::string.
template <class StringType>
void SetLabel(StringType const & str,
void SetLabel(StringType const& str,
typename internal::EnableIfString<StringType>::type = 1) {
this->SetLabel(str.c_str());
}
@ -430,8 +406,8 @@ public:
// Range arguments for this run. CHECKs if the argument has been set.
BENCHMARK_ALWAYS_INLINE
int range(std::size_t pos = 0) const {
assert(range_.size() > pos);
return range_[pos];
assert(range_.size() > pos);
return range_[pos];
}
BENCHMARK_DEPRECATED_MSG("use 'range(0)' instead")
@ -443,7 +419,7 @@ public:
BENCHMARK_ALWAYS_INLINE
size_t iterations() const { return total_iterations_; }
private:
private:
bool started_;
bool finished_;
size_t total_iterations_;
@ -455,10 +431,11 @@ private:
int complexity_n_;
public:
public:
// FIXME: Make this private somehow.
bool error_occurred_;
public:
public:
// Index of the executing thread. Values from [0, threads).
const int thread_index;
// Number of threads concurrently executing the benchmark.
@ -489,7 +466,7 @@ typedef void(Function)(State&);
// Each method returns "this" so that multiple method calls can
// chained into one expression.
class Benchmark {
public:
public:
virtual ~Benchmark();
// Note: the following methods all return "this" so that multiple
@ -508,7 +485,8 @@ public:
// REQUIRES: The function passed to the constructor must accept an arg1.
Benchmark* Range(int start, int limit);
// Run this benchmark once for all values in the range [start..limit] with specific step
// Run this benchmark once for all values in the range [start..limit] with
// specific step
// REQUIRES: The function passed to the constructor must accept an arg1.
Benchmark* DenseRange(int start, int limit, int step = 1);
@ -521,10 +499,10 @@ public:
// NOTE: This is a legacy C++03 interface provided for compatibility only.
// New code should use 'Args'.
Benchmark* ArgPair(int x, int y) {
std::vector<int> args;
args.push_back(x);
args.push_back(y);
return Args(args);
std::vector<int> args;
args.push_back(x);
args.push_back(y);
return Args(args);
}
// Run this benchmark once for a number of values picked from the
@ -536,10 +514,10 @@ public:
// NOTE: This is a legacy C++03 interface provided for compatibility only.
// New code should use 'Ranges'.
Benchmark* RangePair(int lo1, int hi1, int lo2, int hi2) {
std::vector<std::pair<int, int> > ranges;
ranges.push_back(std::make_pair(lo1, hi1));
ranges.push_back(std::make_pair(lo2, hi2));
return Ranges(ranges);
std::vector<std::pair<int, int> > ranges;
ranges.push_back(std::make_pair(lo1, hi1));
ranges.push_back(std::make_pair(lo2, hi2));
return Ranges(ranges);
}
// Pass this benchmark object to *func, which can customize
@ -547,7 +525,8 @@ public:
// Threads, etc.
Benchmark* Apply(void (*func)(Benchmark* benchmark));
// Set the range multiplier for non-dense range. If not called, the range multiplier
// Set the range multiplier for non-dense range. If not called, the range
// multiplier
// kRangeMultiplier will be used.
Benchmark* RangeMultiplier(int multiplier);
@ -573,15 +552,17 @@ public:
// called, the cpu time used by the benchmark will be used.
Benchmark* UseRealTime();
// If a benchmark must measure time manually (e.g. if GPU execution time is being
// measured), call this method. If called, each benchmark iteration should call
// If a benchmark must measure time manually (e.g. if GPU execution time is
// being
// measured), call this method. If called, each benchmark iteration should
// call
// SetIterationTime(seconds) to report the measured time, which will be used
// to control how many iterations are run, and in the printing of items/second
// or MB/second values.
Benchmark* UseManualTime();
// Set the asymptotic computational complexity for the benchmark. If called
// the asymptotic computational complexity will be shown on the output.
// the asymptotic computational complexity will be shown on the output.
Benchmark* Complexity(BigO complexity = benchmark::oAuto);
// Set the asymptotic computational complexity for the benchmark. If called
@ -607,13 +588,13 @@ public:
// Foo in 4 threads
// Foo in 8 threads
// Foo in 16 threads
Benchmark *ThreadRange(int min_threads, int max_threads);
Benchmark* ThreadRange(int min_threads, int max_threads);
// For each value n in the range, run this benchmark once using n threads.
// min_threads and max_threads are always included in the range.
// stride specifies the increment. E.g. DenseThreadRange(1, 8, 3) starts
// a benchmark with 1, 4, 7 and 8 threads.
Benchmark *DenseThreadRange(int min_threads, int max_threads, int stride = 1);
Benchmark* DenseThreadRange(int min_threads, int max_threads, int stride = 1);
// Equivalent to ThreadRange(NumCPUs(), NumCPUs())
Benchmark* ThreadPerCpu();
@ -623,7 +604,7 @@ public:
// Used inside the benchmark implementation
struct Instance;
protected:
protected:
explicit Benchmark(const char* name);
Benchmark(Benchmark const&);
void SetName(const char* name);
@ -632,12 +613,12 @@ protected:
static void AddRange(std::vector<int>* dst, int lo, int hi, int mult);
private:
private:
friend class BenchmarkFamilies;
std::string name_;
ReportMode report_mode_;
std::vector< std::vector<int> > args_; // Args for all benchmark runs
std::vector<std::vector<int> > args_; // Args for all benchmark runs
TimeUnit time_unit_;
int range_multiplier_;
double min_time_;
@ -651,13 +632,14 @@ private:
Benchmark& operator=(Benchmark const&);
};
} // namespace internal
} // namespace internal
// Create and register a benchmark with the specified 'name' that invokes
// the specified functor 'fn'.
//
// RETURNS: A pointer to the registered benchmark.
internal::Benchmark* RegisterBenchmark(const char* name, internal::Function* fn);
internal::Benchmark* RegisterBenchmark(const char* name,
internal::Function* fn);
#if defined(BENCHMARK_HAS_CXX11)
template <class Lambda>
@ -668,30 +650,30 @@ namespace internal {
// The class used to hold all Benchmarks created from static function.
// (ie those created using the BENCHMARK(...) macros.
class FunctionBenchmark : public Benchmark {
public:
FunctionBenchmark(const char* name, Function* func)
: Benchmark(name), func_(func)
{}
public:
FunctionBenchmark(const char* name, Function* func)
: Benchmark(name), func_(func) {}
virtual void Run(State& st);
private:
Function* func_;
virtual void Run(State& st);
private:
Function* func_;
};
#ifdef BENCHMARK_HAS_CXX11
template <class Lambda>
class LambdaBenchmark : public Benchmark {
public:
virtual void Run(State& st) { lambda_(st); }
public:
virtual void Run(State& st) { lambda_(st); }
private:
private:
template <class OLambda>
LambdaBenchmark(const char* name, OLambda&& lam)
: Benchmark(name), lambda_(std::forward<OLambda>(lam)) {}
LambdaBenchmark(LambdaBenchmark const&) = delete;
private:
private:
template <class Lam>
friend Benchmark* ::benchmark::RegisterBenchmark(const char*, Lam&&);
@ -701,59 +683,58 @@ private:
} // end namespace internal
inline internal::Benchmark*
RegisterBenchmark(const char* name, internal::Function* fn) {
return internal::RegisterBenchmarkInternal(
::new internal::FunctionBenchmark(name, fn));
inline internal::Benchmark* RegisterBenchmark(const char* name,
internal::Function* fn) {
return internal::RegisterBenchmarkInternal(
::new internal::FunctionBenchmark(name, fn));
}
#ifdef BENCHMARK_HAS_CXX11
template <class Lambda>
internal::Benchmark* RegisterBenchmark(const char* name, Lambda&& fn) {
using BenchType = internal::LambdaBenchmark<typename std::decay<Lambda>::type>;
return internal::RegisterBenchmarkInternal(
::new BenchType(name, std::forward<Lambda>(fn)));
using BenchType =
internal::LambdaBenchmark<typename std::decay<Lambda>::type>;
return internal::RegisterBenchmarkInternal(
::new BenchType(name, std::forward<Lambda>(fn)));
}
#endif
#if defined(BENCHMARK_HAS_CXX11) && \
(!defined(BENCHMARK_GCC_VERSION) || BENCHMARK_GCC_VERSION >= 409)
template <class Lambda, class ...Args>
(!defined(BENCHMARK_GCC_VERSION) || BENCHMARK_GCC_VERSION >= 409)
template <class Lambda, class... Args>
internal::Benchmark* RegisterBenchmark(const char* name, Lambda&& fn,
Args&&... args) {
return benchmark::RegisterBenchmark(name,
[=](benchmark::State& st) { fn(st, args...); });
return benchmark::RegisterBenchmark(
name, [=](benchmark::State& st) { fn(st, args...); });
}
#else
#define BENCHMARK_HAS_NO_VARIADIC_REGISTER_BENCHMARK
#endif
// The base class for all fixture tests.
class Fixture: public internal::Benchmark {
public:
Fixture() : internal::Benchmark("") {}
class Fixture : public internal::Benchmark {
public:
Fixture() : internal::Benchmark("") {}
virtual void Run(State& st) {
this->SetUp(st);
this->BenchmarkCase(st);
this->TearDown(st);
}
virtual void Run(State& st) {
this->SetUp(st);
this->BenchmarkCase(st);
this->TearDown(st);
}
// These will be deprecated ...
virtual void SetUp(const State&) {}
virtual void TearDown(const State&) {}
// ... In favor of these.
virtual void SetUp(State& st) { SetUp(const_cast<const State&>(st)); }
virtual void TearDown(State& st) { TearDown(const_cast<const State&>(st)); }
// These will be deprecated ...
virtual void SetUp(const State&) {}
virtual void TearDown(const State&) {}
// ... In favor of these.
virtual void SetUp(State& st) { SetUp(const_cast<const State&>(st)); }
virtual void TearDown(State& st) { TearDown(const_cast<const State&>(st)); }
protected:
virtual void BenchmarkCase(State&) = 0;
protected:
virtual void BenchmarkCase(State&) = 0;
};
} // end namespace benchmark
// ------------------------------------------------------
// Macro to register benchmarks
@ -768,18 +749,18 @@ protected:
// Helpers for generating unique variable names
#define BENCHMARK_PRIVATE_NAME(n) \
BENCHMARK_PRIVATE_CONCAT(_benchmark_, BENCHMARK_PRIVATE_UNIQUE_ID, n)
BENCHMARK_PRIVATE_CONCAT(_benchmark_, BENCHMARK_PRIVATE_UNIQUE_ID, n)
#define BENCHMARK_PRIVATE_CONCAT(a, b, c) BENCHMARK_PRIVATE_CONCAT2(a, b, c)
#define BENCHMARK_PRIVATE_CONCAT2(a, b, c) a##b##c
#define BENCHMARK_PRIVATE_DECLARE(n) \
static ::benchmark::internal::Benchmark* \
BENCHMARK_PRIVATE_NAME(n) BENCHMARK_UNUSED
#define BENCHMARK_PRIVATE_DECLARE(n) \
static ::benchmark::internal::Benchmark* BENCHMARK_PRIVATE_NAME(n) \
BENCHMARK_UNUSED
#define BENCHMARK(n) \
BENCHMARK_PRIVATE_DECLARE(n) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
new ::benchmark::internal::FunctionBenchmark(#n, n)))
#define BENCHMARK(n) \
BENCHMARK_PRIVATE_DECLARE(n) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
new ::benchmark::internal::FunctionBenchmark(#n, n)))
// Old-style macros
#define BENCHMARK_WITH_ARG(n, a) BENCHMARK(n)->Arg((a))
@ -802,14 +783,14 @@ protected:
//}
// /* Registers a benchmark named "BM_takes_args/int_string_test` */
// BENCHMARK_CAPTURE(BM_takes_args, int_string_test, 42, std::string("abc"));
#define BENCHMARK_CAPTURE(func, test_case_name, ...) \
BENCHMARK_PRIVATE_DECLARE(func) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
new ::benchmark::internal::FunctionBenchmark( \
#func "/" #test_case_name, \
[](::benchmark::State& st) { func(st, __VA_ARGS__); })))
#define BENCHMARK_CAPTURE(func, test_case_name, ...) \
BENCHMARK_PRIVATE_DECLARE(func) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
new ::benchmark::internal::FunctionBenchmark( \
#func "/" #test_case_name, \
[](::benchmark::State& st) { func(st, __VA_ARGS__); })))
#endif // __cplusplus >= 11
#endif // __cplusplus >= 11
// This will register a benchmark for a templatized function. For example:
//
@ -819,54 +800,54 @@ protected:
// BENCHMARK_TEMPLATE(BM_Foo, 1);
//
// will register BM_Foo<1> as a benchmark.
#define BENCHMARK_TEMPLATE1(n, a) \
BENCHMARK_PRIVATE_DECLARE(n) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
new ::benchmark::internal::FunctionBenchmark(#n "<" #a ">", n<a>)))
#define BENCHMARK_TEMPLATE2(n, a, b) \
#define BENCHMARK_TEMPLATE1(n, a) \
BENCHMARK_PRIVATE_DECLARE(n) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
new ::benchmark::internal::FunctionBenchmark( \
#n "<" #a "," #b ">", n<a, b>)))
new ::benchmark::internal::FunctionBenchmark(#n "<" #a ">", n<a>)))
#define BENCHMARK_TEMPLATE2(n, a, b) \
BENCHMARK_PRIVATE_DECLARE(n) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
new ::benchmark::internal::FunctionBenchmark(#n "<" #a "," #b ">", \
n<a, b>)))
#if __cplusplus >= 201103L
#define BENCHMARK_TEMPLATE(n, ...) \
BENCHMARK_PRIVATE_DECLARE(n) = \
#define BENCHMARK_TEMPLATE(n, ...) \
BENCHMARK_PRIVATE_DECLARE(n) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
new ::benchmark::internal::FunctionBenchmark( \
#n "<" #__VA_ARGS__ ">", n<__VA_ARGS__>)))
new ::benchmark::internal::FunctionBenchmark( \
#n "<" #__VA_ARGS__ ">", n<__VA_ARGS__>)))
#else
#define BENCHMARK_TEMPLATE(n, a) BENCHMARK_TEMPLATE1(n, a)
#endif
#define BENCHMARK_PRIVATE_DECLARE_F(BaseClass, Method) \
class BaseClass##_##Method##_Benchmark : public BaseClass { \
public: \
BaseClass##_##Method##_Benchmark() : BaseClass() { \
this->SetName(#BaseClass "/" #Method); \
} \
\
protected: \
virtual void BenchmarkCase(::benchmark::State&); \
};
#define BENCHMARK_PRIVATE_DECLARE_F(BaseClass, Method) \
class BaseClass##_##Method##_Benchmark : public BaseClass { \
public: \
BaseClass##_##Method##_Benchmark() : BaseClass() { \
this->SetName(#BaseClass "/" #Method);} \
protected: \
virtual void BenchmarkCase(::benchmark::State&); \
};
#define BENCHMARK_DEFINE_F(BaseClass, Method) \
BENCHMARK_PRIVATE_DECLARE_F(BaseClass, Method) \
void BaseClass##_##Method##_Benchmark::BenchmarkCase
#define BENCHMARK_DEFINE_F(BaseClass, Method) \
BENCHMARK_PRIVATE_DECLARE_F(BaseClass, Method) \
void BaseClass##_##Method##_Benchmark::BenchmarkCase
#define BENCHMARK_REGISTER_F(BaseClass, Method) \
BENCHMARK_PRIVATE_REGISTER_F(BaseClass##_##Method##_Benchmark)
BENCHMARK_PRIVATE_REGISTER_F(BaseClass##_##Method##_Benchmark)
#define BENCHMARK_PRIVATE_REGISTER_F(TestName) \
BENCHMARK_PRIVATE_DECLARE(TestName) = \
(::benchmark::internal::RegisterBenchmarkInternal(new TestName()))
BENCHMARK_PRIVATE_DECLARE(TestName) = \
(::benchmark::internal::RegisterBenchmarkInternal(new TestName()))
// This macro will define and register a benchmark within a fixture class.
#define BENCHMARK_F(BaseClass, Method) \
BENCHMARK_PRIVATE_DECLARE_F(BaseClass, Method) \
BENCHMARK_REGISTER_F(BaseClass, Method); \
void BaseClass##_##Method##_Benchmark::BenchmarkCase
#define BENCHMARK_F(BaseClass, Method) \
BENCHMARK_PRIVATE_DECLARE_F(BaseClass, Method) \
BENCHMARK_REGISTER_F(BaseClass, Method); \
void BaseClass##_##Method##_Benchmark::BenchmarkCase
// Helper macro to create a main routine in a test that runs the benchmarks
#define BENCHMARK_MAIN() \

56
include/benchmark/macros.h
View File

@ -19,44 +19,44 @@
#endif
#ifndef BENCHMARK_HAS_CXX11
# define BENCHMARK_DISALLOW_COPY_AND_ASSIGN(TypeName) \
TypeName(const TypeName&); \
TypeName& operator=(const TypeName&)
#define BENCHMARK_DISALLOW_COPY_AND_ASSIGN(TypeName) \
TypeName(const TypeName&); \
TypeName& operator=(const TypeName&)
#else
# define BENCHMARK_DISALLOW_COPY_AND_ASSIGN(TypeName) \
TypeName(const TypeName&) = delete; \
TypeName& operator=(const TypeName&) = delete
#define BENCHMARK_DISALLOW_COPY_AND_ASSIGN(TypeName) \
TypeName(const TypeName&) = delete; \
TypeName& operator=(const TypeName&) = delete
#endif
#if defined(__GNUC__)
# define BENCHMARK_UNUSED __attribute__((unused))
# define BENCHMARK_ALWAYS_INLINE __attribute__((always_inline))
# define BENCHMARK_NOEXCEPT noexcept
# define BENCHMARK_NOEXCEPT_OP(x) noexcept(x)
#define BENCHMARK_UNUSED __attribute__((unused))
#define BENCHMARK_ALWAYS_INLINE __attribute__((always_inline))
#define BENCHMARK_NOEXCEPT noexcept
#define BENCHMARK_NOEXCEPT_OP(x) noexcept(x)
#elif defined(_MSC_VER) && !defined(__clang__)
# define BENCHMARK_UNUSED
# define BENCHMARK_ALWAYS_INLINE __forceinline
# if _MSC_VER >= 1900
# define BENCHMARK_NOEXCEPT noexcept
# define BENCHMARK_NOEXCEPT_OP(x) noexcept(x)
# else
# define BENCHMARK_NOEXCEPT
# define BENCHMARK_NOEXCEPT_OP(x)
# endif
# define __func__ __FUNCTION__
#define BENCHMARK_UNUSED
#define BENCHMARK_ALWAYS_INLINE __forceinline
#if _MSC_VER >= 1900
#define BENCHMARK_NOEXCEPT noexcept
#define BENCHMARK_NOEXCEPT_OP(x) noexcept(x)
#else
# define BENCHMARK_UNUSED
# define BENCHMARK_ALWAYS_INLINE
# define BENCHMARK_NOEXCEPT
# define BENCHMARK_NOEXCEPT_OP(x)
#define BENCHMARK_NOEXCEPT
#define BENCHMARK_NOEXCEPT_OP(x)
#endif
#define __func__ __FUNCTION__
#else
#define BENCHMARK_UNUSED
#define BENCHMARK_ALWAYS_INLINE
#define BENCHMARK_NOEXCEPT
#define BENCHMARK_NOEXCEPT_OP(x)
#endif
#if defined(__GNUC__)
# define BENCHMARK_BUILTIN_EXPECT(x, y) __builtin_expect(x, y)
# define BENCHMARK_DEPRECATED_MSG(msg) __attribute__((deprecated(msg)))
#define BENCHMARK_BUILTIN_EXPECT(x, y) __builtin_expect(x, y)
#define BENCHMARK_DEPRECATED_MSG(msg) __attribute__((deprecated(msg)))
#else
# define BENCHMARK_BUILTIN_EXPECT(x, y) x
# define BENCHMARK_DEPRECATED_MSG(msg)
#define BENCHMARK_BUILTIN_EXPECT(x, y) x
#define BENCHMARK_DEPRECATED_MSG(msg)
#endif
#if defined(__GNUC__) && !defined(__clang__)

47
include/benchmark/reporter.h
View File

@ -41,20 +41,20 @@ class BenchmarkReporter {
};
struct Run {
Run() :
error_occurred(false),
iterations(1),
time_unit(kNanosecond),
real_accumulated_time(0),
cpu_accumulated_time(0),
bytes_per_second(0),
items_per_second(0),
max_heapbytes_used(0),
complexity(oNone),
complexity_lambda(),
complexity_n(0),
report_big_o(false),
report_rms(false) {}
Run()
: error_occurred(false),
iterations(1),
time_unit(kNanosecond),
real_accumulated_time(0),
cpu_accumulated_time(0),
bytes_per_second(0),
items_per_second(0),
max_heapbytes_used(0),
complexity(oNone),
complexity_lambda(),
complexity_n(0),
report_big_o(false),
report_rms(false) {}
std::string benchmark_name;
std::string report_label; // Empty if not set by benchmark.
@ -134,13 +134,9 @@ class BenchmarkReporter {
error_stream_ = err;
}
std::ostream& GetOutputStream() const {
return *output_stream_;
}
std::ostream& GetOutputStream() const { return *output_stream_; }
std::ostream& GetErrorStream() const {
return *error_stream_;
}
std::ostream& GetErrorStream() const { return *error_stream_; }
virtual ~BenchmarkReporter();
@ -157,22 +153,19 @@ class BenchmarkReporter {
// Simple reporter that outputs benchmark data to the console. This is the
// default reporter used by RunSpecifiedBenchmarks().
class ConsoleReporter : public BenchmarkReporter {
public:
enum OutputOptions {
OO_None,
OO_Color
};
public:
enum OutputOptions { OO_None, OO_Color };
explicit ConsoleReporter(OutputOptions color_output = OO_Color)
: name_field_width_(0), color_output_(color_output == OO_Color) {}
virtual bool ReportContext(const Context& context);
virtual void ReportRuns(const std::vector<Run>& reports);
protected:
protected:
virtual void PrintRunData(const Run& report);
size_t name_field_width_;
private:
private:
bool color_output_;
};

7
src/arraysize.h
View File

@ -11,7 +11,6 @@ namespace internal {
// a pointer by mistake, you will get a compile-time error.
//
// This template function declaration is used in defining arraysize.
// Note that the function doesn't need an implementation, as we only
// use its type.
@ -28,7 +27,7 @@ char (&ArraySizeHelper(const T (&array)[N]))[N];
#define arraysize(array) (sizeof(::benchmark::internal::ArraySizeHelper(array)))
} // end namespace internal
} // end namespace benchmark
} // end namespace internal
} // end namespace benchmark
#endif // BENCHMARK_ARRAYSIZE_H_
#endif // BENCHMARK_ARRAYSIZE_H_

144
src/benchmark.cc
View File

@ -13,23 +13,23 @@
// limitations under the License.
#include "benchmark/benchmark.h"
#include "internal_macros.h"
#include "benchmark_api_internal.h"
#include "internal_macros.h"
#ifndef BENCHMARK_OS_WINDOWS
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/time.h>
#include <unistd.h>
#endif
#include <cstdlib>
#include <cstring>
#include <cstdio>
#include <algorithm>
#include <atomic>
#include <condition_variable>
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <fstream>
#include <iostream>
#include <memory>
#include <thread>
@ -92,7 +92,6 @@ DEFINE_string(benchmark_color, "auto",
DEFINE_int32(v, 0, "The level of verbose logging to output");
namespace benchmark {
namespace internal {
@ -108,7 +107,6 @@ static const size_t kMaxIterations = 1000000000;
namespace internal {
class ThreadManager {
public:
ThreadManager(int num_threads)
@ -202,25 +200,23 @@ class ThreadTimer {
}
private:
bool running_ = false; // Is the timer running
double start_real_time_ = 0; // If running_
double start_cpu_time_ = 0; // If running_
bool running_ = false; // Is the timer running
double start_real_time_ = 0; // If running_
double start_cpu_time_ = 0; // If running_
// Accumulated time so far (does not contain current slice if running_)
double real_time_used_ = 0;
double cpu_time_used_ = 0;
// Manually set iteration time. User sets this with SetIterationTime(seconds).
double manual_time_used_ = 0;
};
namespace {
BenchmarkReporter::Run
CreateRunReport(const benchmark::internal::Benchmark::Instance& b,
const internal::ThreadManager::Result& results,
size_t iters, double seconds)
{
BenchmarkReporter::Run CreateRunReport(
const benchmark::internal::Benchmark::Instance& b,
const internal::ThreadManager::Result& results, size_t iters,
double seconds) {
// Create report about this benchmark run.
BenchmarkReporter::Run report;
@ -265,8 +261,8 @@ void RunInThread(const benchmark::internal::Benchmark::Instance* b,
internal::ThreadTimer timer;
State st(iters, b->arg, thread_id, b->threads, &timer, manager);
b->benchmark->Run(st);
CHECK(st.iterations() == st.max_iterations) <<
"Benchmark returned before State::KeepRunning() returned false!";
CHECK(st.iterations() == st.max_iterations)
<< "Benchmark returned before State::KeepRunning() returned false!";
{
MutexLock l(manager->GetBenchmarkMutex());
internal::ThreadManager::Result& results = manager->results;
@ -283,17 +279,18 @@ void RunInThread(const benchmark::internal::Benchmark::Instance* b,
std::vector<BenchmarkReporter::Run> RunBenchmark(
const benchmark::internal::Benchmark::Instance& b,
std::vector<BenchmarkReporter::Run>* complexity_reports) {
std::vector<BenchmarkReporter::Run> reports; // return value
std::vector<BenchmarkReporter::Run> reports; // return value
size_t iters = 1;
std::unique_ptr<internal::ThreadManager> manager;
std::vector<std::thread> pool(b.threads - 1);
const int repeats = b.repetitions != 0 ? b.repetitions
: FLAGS_benchmark_repetitions;
const bool report_aggregates_only = repeats != 1 &&
const int repeats =
b.repetitions != 0 ? b.repetitions : FLAGS_benchmark_repetitions;
const bool report_aggregates_only =
repeats != 1 &&
(b.report_mode == internal::RM_Unspecified
? FLAGS_benchmark_report_aggregates_only
: b.report_mode == internal::RM_ReportAggregatesOnly);
? FLAGS_benchmark_report_aggregates_only
: b.report_mode == internal::RM_ReportAggregatesOnly);
for (int i = 0; i < repeats; i++) {
for (;;) {
// Try benchmark
@ -306,8 +303,7 @@ std::vector<BenchmarkReporter::Run> RunBenchmark(
}
RunInThread(&b, iters, 0, manager.get());
manager->WaitForAllThreads();
for (std::thread& thread : pool)
thread.join();
for (std::thread& thread : pool) thread.join();
internal::ThreadManager::Result results;
{
MutexLock l(manager->GetBenchmarkMutex());
@ -319,23 +315,24 @@ std::vector<BenchmarkReporter::Run> RunBenchmark(
results.manual_time_used /= b.threads;
VLOG(2) << "Ran in " << results.cpu_time_used << "/"
<< results.real_time_used << "\n";
<< results.real_time_used << "\n";
// Base decisions off of real time if requested by this benchmark.
double seconds = results.cpu_time_used;
if (b.use_manual_time) {
seconds = results.manual_time_used;
seconds = results.manual_time_used;
} else if (b.use_real_time) {
seconds = results.real_time_used;
seconds = results.real_time_used;
}
const double min_time = !IsZero(b.min_time) ? b.min_time
: FLAGS_benchmark_min_time;
const double min_time =
!IsZero(b.min_time) ? b.min_time : FLAGS_benchmark_min_time;
// If this was the first run, was elapsed time or cpu time large enough?
// If this is not the first run, go with the current value of iter.
if ((i > 0) || results.has_error_ || (iters >= kMaxIterations) ||
(seconds >= min_time) || (results.real_time_used >= 5 * min_time)) {
BenchmarkReporter::Run report = CreateRunReport(b, results, iters, seconds);
BenchmarkReporter::Run report =
CreateRunReport(b, results, iters, seconds);
if (!report.error_occurred && b.complexity != oNone)
complexity_reports->push_back(report);
reports.push_back(report);
@ -363,10 +360,10 @@ std::vector<BenchmarkReporter::Run> RunBenchmark(
}
// Calculate additional statistics
auto stat_reports = ComputeStats(reports);
if((b.complexity != oNone) && b.last_benchmark_instance) {
if ((b.complexity != oNone) && b.last_benchmark_instance) {
auto additional_run_stats = ComputeBigO(*complexity_reports);
stat_reports.insert(stat_reports.end(), additional_run_stats.begin(),
additional_run_stats.end());
additional_run_stats.end());
complexity_reports->clear();
}
@ -375,8 +372,8 @@ std::vector<BenchmarkReporter::Run> RunBenchmark(
return reports;
}
} // namespace
} // namespace internal
} // namespace
} // namespace internal
State::State(size_t max_iters, const std::vector<int>& ranges, int thread_i,
int n_threads, internal::ThreadTimer* timer,
@ -423,8 +420,7 @@ void State::SkipWithError(const char* msg) {
if (timer_->running()) timer_->StopTimer();
}
void State::SetIterationTime(double seconds)
{
void State::SetIterationTime(double seconds) {
timer_->SetIterationTime(seconds);
}
@ -468,8 +464,7 @@ void RunMatchingBenchmarks(const std::vector<Benchmark::Instance>& benchmarks,
std::max<size_t>(name_field_width, benchmark.name.size());
has_repetitions |= benchmark.repetitions > 1;
}
if (has_repetitions)
name_field_width += std::strlen("_stddev");
if (has_repetitions) name_field_width += std::strlen("_stddev");
// Print header here
BenchmarkReporter::Context context;
@ -490,8 +485,8 @@ void RunMatchingBenchmarks(const std::vector<Benchmark::Instance>& benchmarks,
std::flush(reporter->GetErrorStream());
};
if (console_reporter->ReportContext(context)
&& (!file_reporter || file_reporter->ReportContext(context))) {
if (console_reporter->ReportContext(context) &&
(!file_reporter || file_reporter->ReportContext(context))) {
flushStreams(console_reporter);
flushStreams(file_reporter);
for (const auto& benchmark : benchmarks) {
@ -509,8 +504,8 @@ void RunMatchingBenchmarks(const std::vector<Benchmark::Instance>& benchmarks,
flushStreams(file_reporter);
}
std::unique_ptr<BenchmarkReporter>
CreateReporter(std::string const& name, ConsoleReporter::OutputOptions allow_color) {
std::unique_ptr<BenchmarkReporter> CreateReporter(
std::string const& name, ConsoleReporter::OutputOptions allow_color) {
typedef std::unique_ptr<BenchmarkReporter> PtrType;
if (name == "console") {
return PtrType(new ConsoleReporter(allow_color));
@ -524,19 +519,17 @@ CreateReporter(std::string const& name, ConsoleReporter::OutputOptions allow_col
}
}
} // end namespace
} // end namespace internal
} // end namespace
} // end namespace internal
size_t RunSpecifiedBenchmarks() {
return RunSpecifiedBenchmarks(nullptr, nullptr);
}
size_t RunSpecifiedBenchmarks(BenchmarkReporter* console_reporter) {
return RunSpecifiedBenchmarks(console_reporter, nullptr);
}
size_t RunSpecifiedBenchmarks(BenchmarkReporter* console_reporter,
BenchmarkReporter* file_reporter) {
std::string spec = FLAGS_benchmark_filter;
@ -556,8 +549,8 @@ size_t RunSpecifiedBenchmarks(BenchmarkReporter* console_reporter,
output_opts = IsTruthyFlagValue(FLAGS_benchmark_color)
? ConsoleReporter::OO_Color
: ConsoleReporter::OO_None;
default_console_reporter = internal::CreateReporter(
FLAGS_benchmark_format, output_opts);
default_console_reporter =
internal::CreateReporter(FLAGS_benchmark_format, output_opts);
console_reporter = default_console_reporter.get();
}
auto& Out = console_reporter->GetOutputStream();
@ -566,7 +559,8 @@ size_t RunSpecifiedBenchmarks(BenchmarkReporter* console_reporter,
std::string const& fname = FLAGS_benchmark_out;
if (fname == "" && file_reporter) {
Err << "A custom file reporter was provided but "
"--benchmark_out=<file> was not specified." << std::endl;
"--benchmark_out=<file> was not specified."
<< std::endl;
std::exit(1);
}
if (fname != "") {
@ -577,7 +571,7 @@ size_t RunSpecifiedBenchmarks(BenchmarkReporter* console_reporter,
}
if (!file_reporter) {
default_file_reporter = internal::CreateReporter(
FLAGS_benchmark_out_format, ConsoleReporter::OO_None);
FLAGS_benchmark_out_format, ConsoleReporter::OO_None);
file_reporter = default_file_reporter.get();
}
file_reporter->SetOutputStream(&output_file);
@ -588,10 +582,10 @@ size_t RunSpecifiedBenchmarks(BenchmarkReporter* console_reporter,
if (!FindBenchmarksInternal(spec, &benchmarks, &Err)) return 0;
if (FLAGS_benchmark_list_tests) {
for (auto const& benchmark : benchmarks)
Out << benchmark.name << "\n";
for (auto const& benchmark : benchmarks) Out << benchmark.name << "\n";
} else {
internal::RunMatchingBenchmarks(benchmarks, console_reporter, file_reporter);
internal::RunMatchingBenchmarks(benchmarks, console_reporter,
file_reporter);
}
return benchmarks.size();
@ -618,29 +612,23 @@ void PrintUsageAndExit() {
void ParseCommandLineFlags(int* argc, char** argv) {
using namespace benchmark;
for (int i = 1; i < *argc; ++i) {
if (
ParseBoolFlag(argv[i], "benchmark_list_tests",
if (ParseBoolFlag(argv[i], "benchmark_list_tests",
&FLAGS_benchmark_list_tests) ||
ParseStringFlag(argv[i], "benchmark_filter",
&FLAGS_benchmark_filter) ||
ParseStringFlag(argv[i], "benchmark_filter", &FLAGS_benchmark_filter) ||
ParseDoubleFlag(argv[i], "benchmark_min_time",
&FLAGS_benchmark_min_time) ||
ParseInt32Flag(argv[i], "benchmark_repetitions",
&FLAGS_benchmark_repetitions) ||
ParseBoolFlag(argv[i], "benchmark_report_aggregates_only",
&FLAGS_benchmark_report_aggregates_only) ||
ParseStringFlag(argv[i], "benchmark_format",
&FLAGS_benchmark_format) ||
ParseStringFlag(argv[i], "benchmark_out",
&FLAGS_benchmark_out) ||
&FLAGS_benchmark_report_aggregates_only) ||
ParseStringFlag(argv[i], "benchmark_format", &FLAGS_benchmark_format) ||
ParseStringFlag(argv[i], "benchmark_out", &FLAGS_benchmark_out) ||
ParseStringFlag(argv[i], "benchmark_out_format",
&FLAGS_benchmark_out_format) ||
ParseStringFlag(argv[i], "benchmark_color",
&FLAGS_benchmark_color) ||
ParseStringFlag(argv[i], "benchmark_color", &FLAGS_benchmark_color) ||
// "color_print" is the deprecated name for "benchmark_color".
// TODO: Remove this.
ParseStringFlag(argv[i], "color_print",
&FLAGS_benchmark_color) ||
ParseStringFlag(argv[i], "color_print", &FLAGS_benchmark_color) ||
ParseInt32Flag(argv[i], "v", &FLAGS_v)) {
for (int j = i; j != *argc; ++j) argv[j] = argv[j + 1];
@ -650,26 +638,26 @@ void ParseCommandLineFlags(int* argc, char** argv) {
PrintUsageAndExit();
}
}
for (auto const* flag : {&FLAGS_benchmark_format,
&FLAGS_benchmark_out_format})
if (*flag != "console" && *flag != "json" && *flag != "csv") {
PrintUsageAndExit();
}
for (auto const* flag :
{&FLAGS_benchmark_format, &FLAGS_benchmark_out_format})
if (*flag != "console" && *flag != "json" && *flag != "csv") {
PrintUsageAndExit();
}
if (FLAGS_benchmark_color.empty()) {
PrintUsageAndExit();
}
}
int InitializeStreams() {
static std::ios_base::Init init;
return 0;
static std::ios_base::Init init;
return 0;
}
} // end namespace internal
} // end namespace internal
void Initialize(int* argc, char** argv) {
internal::ParseCommandLineFlags(argc, argv);
internal::LogLevel() = FLAGS_v;
}
} // end namespace benchmark
} // end namespace benchmark

45
src/benchmark_api_internal.h
View File

@ -3,44 +3,45 @@
#include "benchmark/benchmark_api.h"
#include <string>
#include <vector>
#include <limits>
#include <cmath>
#include <iosfwd>
#include <limits>
#include <string>
#include <vector>
namespace benchmark {
namespace internal {
// Information kept per benchmark we may want to run
struct Benchmark::Instance {
std::string name;
Benchmark* benchmark;
ReportMode report_mode;
std::string name;
Benchmark* benchmark;
ReportMode report_mode;
std::vector<int> arg;
TimeUnit time_unit;
int range_multiplier;
bool use_real_time;
bool use_manual_time;
BigO complexity;
BigOFunc* complexity_lambda;
bool last_benchmark_instance;
int repetitions;
double min_time;
int threads; // Number of concurrent threads to us
TimeUnit time_unit;
int range_multiplier;
bool use_real_time;
bool use_manual_time;
BigO complexity;
BigOFunc* complexity_lambda;
bool last_benchmark_instance;
int repetitions;
double min_time;
int threads; // Number of concurrent threads to us
};
bool FindBenchmarksInternal(const std::string& re,
std::vector<Benchmark::Instance>* benchmarks, std::ostream* Err);
std::vector<Benchmark::Instance>* benchmarks,
std::ostream* Err);
namespace {
bool IsZero(double n) {
return std::abs(n) < std::numeric_limits<double>::epsilon();
return std::abs(n) < std::numeric_limits<double>::epsilon();
}
} // end namespace
} // end namespace internal
} // end namespace benchmark
} // end namespace
} // end namespace internal
} // end namespace benchmark
#endif // BENCHMARK_API_INTERNAL_H
#endif // BENCHMARK_API_INTERNAL_H

102
src/benchmark_register.cc
View File

@ -13,23 +13,23 @@
// limitations under the License.
#include "benchmark/benchmark.h"
#include "internal_macros.h"
#include "benchmark_api_internal.h"
#include "internal_macros.h"
#ifndef BENCHMARK_OS_WINDOWS
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/time.h>
#include <unistd.h>
#endif
#include <cstdlib>
#include <cstring>
#include <cstdio>
#include <algorithm>
#include <atomic>
#include <condition_variable>
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <fstream>
#include <iostream>
#include <memory>
#include <thread>
@ -74,6 +74,7 @@ class BenchmarkFamilies {
bool FindBenchmarks(const std::string& re,
std::vector<Benchmark::Instance>* benchmarks,
std::ostream* Err);
private:
BenchmarkFamilies() {}
@ -94,8 +95,7 @@ size_t BenchmarkFamilies::AddBenchmark(std::unique_ptr<Benchmark> family) {
}
bool BenchmarkFamilies::FindBenchmarks(
const std::string& spec,
std::vector<Benchmark::Instance>* benchmarks,
const std::string& spec, std::vector<Benchmark::Instance>* benchmarks,
std::ostream* ErrStream) {
CHECK(ErrStream);
auto& Err = *ErrStream;
@ -120,23 +120,21 @@ bool BenchmarkFamilies::FindBenchmarks(
}
const std::vector<int>* thread_counts =
(family->thread_counts_.empty()
? &one_thread
: &static_cast<const std::vector<int>&>(family->thread_counts_));
? &one_thread
: &static_cast<const std::vector<int>&>(family->thread_counts_));
const size_t family_size = family->args_.size() * thread_counts->size();
// The benchmark will be run at least 'family_size' different inputs.
// If 'family_size' is very large warn the user.
if (family_size > kMaxFamilySize) {
Err << "The number of inputs is very large. " << family->name_
Err << "The number of inputs is very large. " << family->name_
<< " will be repeated at least " << family_size << " times.\n";
}
// reserve in the special case the regex ".", since we know the final
// family size.
if (spec == ".")
benchmarks->reserve(family_size);
if (spec == ".") benchmarks->reserve(family_size);
for (auto const& args : family->args_) {
for (int num_threads : *thread_counts) {
Benchmark::Instance instance;
instance.name = family->name_;
instance.benchmark = family.get();
@ -158,15 +156,15 @@ bool BenchmarkFamilies::FindBenchmarks(
}
if (!IsZero(family->min_time_)) {
instance.name += StringPrintF("/min_time:%0.3f", family->min_time_);
instance.name += StringPrintF("/min_time:%0.3f", family->min_time_);
}
if (family->repetitions_ != 0) {
instance.name += StringPrintF("/repeats:%d", family->repetitions_);
instance.name += StringPrintF("/repeats:%d", family->repetitions_);
}
if (family->use_manual_time_) {
instance.name += "/manual_time";
instance.name += "/manual_time";
} else if (family->use_real_time_) {
instance.name += "/real_time";
instance.name += "/real_time";
}
// Add the number of threads used to the name
@ -185,37 +183,37 @@ bool BenchmarkFamilies::FindBenchmarks(
}
Benchmark* RegisterBenchmarkInternal(Benchmark* bench) {
std::unique_ptr<Benchmark> bench_ptr(bench);
BenchmarkFamilies* families = BenchmarkFamilies::GetInstance();
families->AddBenchmark(std::move(bench_ptr));
return bench;
std::unique_ptr<Benchmark> bench_ptr(bench);
BenchmarkFamilies* families = BenchmarkFamilies::GetInstance();
families->AddBenchmark(std::move(bench_ptr));
return bench;
}
// FIXME: This function is a hack so that benchmark.cc can access
// `BenchmarkFamilies`
bool FindBenchmarksInternal(const std::string& re,
std::vector<Benchmark::Instance>* benchmarks,
std::ostream* Err)
{
std::ostream* Err) {
return BenchmarkFamilies::GetInstance()->FindBenchmarks(re, benchmarks, Err);
}
//=============================================================================//
// Benchmark
//=============================================================================//
Benchmark::Benchmark(const char* name)
: name_(name), report_mode_(RM_Unspecified),
time_unit_(kNanosecond), range_multiplier_(kRangeMultiplier),
min_time_(0), repetitions_(0), use_real_time_(false),
use_manual_time_(false), complexity_(oNone), complexity_lambda_(nullptr)
{
}
: name_(name),
report_mode_(RM_Unspecified),
time_unit_(kNanosecond),
range_multiplier_(kRangeMultiplier),
min_time_(0),
repetitions_(0),
use_real_time_(false),
use_manual_time_(false),
complexity_(oNone),
complexity_lambda_(nullptr) {}
Benchmark::~Benchmark() {
}
Benchmark::~Benchmark() {}
void Benchmark::AddRange(std::vector<int>* dst, int lo, int hi, int mult) {
CHECK_GE(lo, 0);
@ -228,7 +226,7 @@ void Benchmark::AddRange(std::vector<int>* dst, int lo, int hi, int mult) {
static const int kint32max = std::numeric_limits<int32_t>::max();
// Now space out the benchmarks in multiples of "mult"
for (int32_t i = 1; i < kint32max/mult; i *= mult) {
for (int32_t i = 1; i < kint32max / mult; i *= mult) {
if (i >= hi) break;
if (i > lo) {
dst->push_back(i);
@ -262,13 +260,13 @@ Benchmark* Benchmark::Range(int start, int limit) {
return this;
}
Benchmark* Benchmark::Ranges(const std::vector<std::pair<int, int>>& ranges)
{
Benchmark* Benchmark::Ranges(const std::vector<std::pair<int, int>>& ranges) {
CHECK(ArgsCnt() == -1 || ArgsCnt() == static_cast<int>(ranges.size()));
std::vector<std::vector<int>> arglists(ranges.size());
std::size_t total = 1;
for (std::size_t i = 0; i < ranges.size(); i++) {
AddRange(&arglists[i], ranges[i].first, ranges[i].second, range_multiplier_);
AddRange(&arglists[i], ranges[i].first, ranges[i].second,
range_multiplier_);
total *= arglists[i].size();
}
@ -299,7 +297,7 @@ Benchmark* Benchmark::DenseRange(int start, int limit, int step) {
CHECK(ArgsCnt() == -1 || ArgsCnt() == 1);
CHECK_GE(start, 0);
CHECK_LE(start, limit);
for (int arg = start; arg <= limit; arg+= step) {
for (int arg = start; arg <= limit; arg += step) {
args_.push_back({arg});
}
return this;
@ -340,13 +338,15 @@ Benchmark* Benchmark::MinTime(double t) {
}
Benchmark* Benchmark::UseRealTime() {
CHECK(!use_manual_time_) << "Cannot set UseRealTime and UseManualTime simultaneously.";
CHECK(!use_manual_time_)
<< "Cannot set UseRealTime and UseManualTime simultaneously.";
use_real_time_ = true;
return this;
}
Benchmark* Benchmark::UseManualTime() {
CHECK(!use_real_time_) << "Cannot set UseRealTime and UseManualTime simultaneously.";
CHECK(!use_real_time_)
<< "Cannot set UseRealTime and UseManualTime simultaneously.";
use_manual_time_ = true;
return this;
}
@ -376,7 +376,7 @@ Benchmark* Benchmark::ThreadRange(int min_threads, int max_threads) {
return this;
}
Benchmark *Benchmark::DenseThreadRange(int min_threads, int max_threads,
Benchmark* Benchmark::DenseThreadRange(int min_threads, int max_threads,
int stride) {
CHECK_GT(min_threads, 0);
CHECK_GE(max_threads, min_threads);
@ -395,21 +395,17 @@ Benchmark* Benchmark::ThreadPerCpu() {
return this;
}
void Benchmark::SetName(const char* name) {
name_ = name;
void Benchmark::SetName(const char* name) { name_ = name; }
int Benchmark::ArgsCnt() const {
return args_.empty() ? -1 : static_cast<int>(args_.front().size());
}
int Benchmark::ArgsCnt() const
{ return args_.empty() ? -1 : static_cast<int>(args_.front().size()); }
//=============================================================================//
// FunctionBenchmark
//=============================================================================//
void FunctionBenchmark::Run(State& st) {
func_(st);
}
void FunctionBenchmark::Run(State& st) { func_(st); }
} // end namespace internal
} // end namespace benchmark
} // end namespace internal
} // end namespace benchmark

41
src/check.h
View File

@ -13,51 +13,52 @@ namespace internal {
typedef void(AbortHandlerT)();
inline AbortHandlerT*& GetAbortHandler() {
static AbortHandlerT* handler = &std::abort;
return handler;
static AbortHandlerT* handler = &std::abort;
return handler;
}
BENCHMARK_NORETURN inline void CallAbortHandler() {
GetAbortHandler()();
std::abort(); // fallback to enforce noreturn
GetAbortHandler()();
std::abort(); // fallback to enforce noreturn
}
// CheckHandler is the class constructed by failing CHECK macros. CheckHandler
// will log information about the failures and abort when it is destructed.
class CheckHandler {
public:
public:
CheckHandler(const char* check, const char* file, const char* func, int line)
: log_(GetErrorLogInstance())
{
log_ << file << ":" << line << ": " << func << ": Check `"
<< check << "' failed. ";
: log_(GetErrorLogInstance()) {
log_ << file << ":" << line << ": " << func << ": Check `" << check
<< "' failed. ";
}
LogType& GetLog() { return log_; }
BENCHMARK_NORETURN ~CheckHandler() BENCHMARK_NOEXCEPT_OP(false) {
log_ << std::endl;
CallAbortHandler();
log_ << std::endl;
CallAbortHandler();
}
CheckHandler & operator=(const CheckHandler&) = delete;
CheckHandler& operator=(const CheckHandler&) = delete;
CheckHandler(const CheckHandler&) = delete;
CheckHandler() = delete;
private:
LogType& log_;
private:
LogType& log_;
};
} // end namespace internal
} // end namespace benchmark
} // end namespace internal
} // end namespace benchmark
// The CHECK macro returns a std::ostream object that can have extra information
// written to it.
#ifndef NDEBUG
# define CHECK(b) (b ? ::benchmark::internal::GetNullLogInstance() \
: ::benchmark::internal::CheckHandler( \
#b, __FILE__, __func__, __LINE__).GetLog())
#define CHECK(b) \
(b ? ::benchmark::internal::GetNullLogInstance() \
: ::benchmark::internal::CheckHandler(#b, __FILE__, __func__, __LINE__) \
.GetLog())
#else
# define CHECK(b) ::benchmark::internal::GetNullLogInstance()
#define CHECK(b) ::benchmark::internal::GetNullLogInstance()
#endif
#define CHECK_EQ(a, b) CHECK((a) == (b))

20
src/colorprint.cc
View File

@ -25,11 +25,11 @@
#include "internal_macros.h"
#ifdef BENCHMARK_OS_WINDOWS
#include <io.h>
#include <Windows.h>
#include <io.h>
#else
#include <unistd.h>
#endif // BENCHMARK_OS_WINDOWS
#endif // BENCHMARK_OS_WINDOWS
namespace benchmark {
namespace {
@ -82,7 +82,7 @@ PlatformColorCode GetPlatformColorCode(LogColor color) {
} // end namespace
std::string FormatString(const char *msg, va_list args) {
std::string FormatString(const char* msg, va_list args) {
// we might need a second shot at this, so pre-emptivly make a copy
va_list args_cp;
va_copy(args_cp, args);
@ -96,13 +96,13 @@ std::string FormatString(const char *msg, va_list args) {
// currently there is no error handling for failure, so this is hack.
CHECK(ret >= 0);
if (ret == 0) // handle empty expansion
if (ret == 0) // handle empty expansion
return {};
else if (static_cast<size_t>(ret) < size)
return local_buff;
else {
// we did not provide a long enough buffer on our first attempt.
size = (size_t)ret + 1; // + 1 for the null byte
size = (size_t)ret + 1; // + 1 for the null byte
std::unique_ptr<char[]> buff(new char[size]);
ret = std::vsnprintf(buff.get(), size, msg, args);
CHECK(ret > 0 && ((size_t)ret) < size);
@ -110,7 +110,7 @@ std::string FormatString(const char *msg, va_list args) {
}
}
std::string FormatString(const char *msg, ...) {
std::string FormatString(const char* msg, ...) {
va_list args;
va_start(args, msg);
auto tmp = FormatString(msg, args);
@ -125,9 +125,10 @@ void ColorPrintf(std::ostream& out, LogColor color, const char* fmt, ...) {
va_end(args);
}
void ColorPrintf(std::ostream& out, LogColor color, const char* fmt, va_list args) {
void ColorPrintf(std::ostream& out, LogColor color, const char* fmt,
va_list args) {
#ifdef BENCHMARK_OS_WINDOWS
((void)out); // suppress unused warning
((void)out); // suppress unused warning
const HANDLE stdout_handle = GetStdHandle(STD_OUTPUT_HANDLE);
@ -152,7 +153,6 @@ void ColorPrintf(std::ostream& out, LogColor color, const char* fmt, va_list arg
if (color_code) out << FormatString("\033[0;3%sm", color_code);
out << FormatString(fmt, args) << "\033[m";
#endif
}
bool IsColorTerminal() {
@ -182,7 +182,7 @@ bool IsColorTerminal() {
}
return 0 != isatty(fileno(stdout)) && term_supports_color;
#endif // BENCHMARK_OS_WINDOWS
#endif // BENCHMARK_OS_WINDOWS
}
} // end namespace benchmark

5
src/colorprint.h
View File

@ -2,8 +2,8 @@
#define BENCHMARK_COLORPRINT_H_
#include <cstdarg>
#include <string>
#include <iostream>
#include <string>
namespace benchmark {
enum LogColor {
@ -20,7 +20,8 @@ enum LogColor {
std::string FormatString(const char* msg, va_list args);
std::string FormatString(const char* msg, ...);
void ColorPrintf(std::ostream& out, LogColor color, const char* fmt, va_list args);
void ColorPrintf(std::ostream& out, LogColor color, const char* fmt,
va_list args);
void ColorPrintf(std::ostream& out, LogColor color, const char* fmt, ...);
// Returns true if stdout appears to be a terminal that supports colored

8
src/commandlineflags.cc
View File

@ -44,7 +44,7 @@ bool ParseInt32(const std::string& src_text, const char* str, int32_t* value) {
// The parsed value overflows as a long. (strtol() returns
// LONG_MAX or LONG_MIN when the input overflows.)
result != long_value
// The parsed value overflows as an Int32.
// The parsed value overflows as an Int32.
) {
std::cerr << src_text << " is expected to be a 32-bit integer, "
<< "but actually has value \"" << str << "\", "
@ -95,7 +95,8 @@ static std::string FlagToEnvVar(const char* flag) {
bool BoolFromEnv(const char* flag, bool default_value) {
const std::string env_var = FlagToEnvVar(flag);
const char* const string_value = getenv(env_var.c_str());
return string_value == nullptr ? default_value : strcmp(string_value, "0") != 0;
return string_value == nullptr ? default_value
: strcmp(string_value, "0") != 0;
}
// Reads and returns a 32-bit integer stored in the environment
@ -209,8 +210,7 @@ bool IsFlag(const char* str, const char* flag) {
}
bool IsTruthyFlagValue(const std::string& str) {
if (str.empty())
return true;
if (str.empty()) return true;
char ch = str[0];
return isalnum(ch) &&
!(ch == '0' || ch == 'f' || ch == 'F' || ch == 'n' || ch == 'N');

3
src/complexity.cc
View File

@ -119,8 +119,7 @@ LeastSq MinimalLeastSq(const std::vector<int>& n,
// this one. If it is oAuto, it will be calculated the best
// fitting curve.
LeastSq MinimalLeastSq(const std::vector<int>& n,
const std::vector<double>& time,
const BigO complexity) {
const std::vector<double>& time, const BigO complexity) {
CHECK_EQ(n.size(), time.size());
CHECK_GE(n.size(), 2); // Do not compute fitting curve is less than two
// benchmark runs are given

9
src/complexity.h
View File

@ -47,10 +47,7 @@ std::vector<BenchmarkReporter::Run> ComputeBigO(
// parameter will return the best fitting curve detected.
struct LeastSq {
LeastSq() :
coef(0.0),
rms(0.0),
complexity(oNone) {}
LeastSq() : coef(0.0), rms(0.0), complexity(oNone) {}
double coef;
double rms;
@ -60,5 +57,5 @@ struct LeastSq {
// Function to return an string for the calculated complexity
std::string GetBigOString(BigO complexity);
} // end namespace benchmark
#endif // COMPLEXITY_H_
} // end namespace benchmark
#endif // COMPLEXITY_H_

51
src/console_reporter.cc
View File

@ -39,46 +39,45 @@ bool ConsoleReporter::ReportContext(const Context& context) {
#ifdef BENCHMARK_OS_WINDOWS
if (color_output_ && &std::cout != &GetOutputStream()) {
GetErrorStream() << "Color printing is only supported for stdout on windows."
" Disabling color printing\n";
color_output_ = false;
GetErrorStream()
<< "Color printing is only supported for stdout on windows."
" Disabling color printing\n";
color_output_ = false;
}
#endif
std::string str = FormatString("%-*s %13s %13s %10s\n",
static_cast<int>(name_field_width_), "Benchmark",
"Time", "CPU", "Iterations");
std::string str =
FormatString("%-*s %13s %13s %10s\n", static_cast<int>(name_field_width_),
"Benchmark", "Time", "CPU", "Iterations");
GetOutputStream() << str << std::string(str.length() - 1, '-') << "\n";
return true;
}
void ConsoleReporter::ReportRuns(const std::vector<Run>& reports) {
for (const auto& run : reports)
PrintRunData(run);
for (const auto& run : reports) PrintRunData(run);
}
static void IgnoreColorPrint(std::ostream& out, LogColor,
const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
out << FormatString(fmt, args);
va_end(args);
static void IgnoreColorPrint(std::ostream& out, LogColor, const char* fmt,
...) {
va_list args;
va_start(args, fmt);
out << FormatString(fmt, args);
va_end(args);
}
void ConsoleReporter::PrintRunData(const Run& result) {
typedef void(PrinterFn)(std::ostream&, LogColor, const char*, ...);
auto& Out = GetOutputStream();
PrinterFn* printer = color_output_ ? (PrinterFn*)ColorPrintf
: IgnoreColorPrint;
PrinterFn* printer =
color_output_ ? (PrinterFn*)ColorPrintf : IgnoreColorPrint;
auto name_color =
(result.report_big_o || result.report_rms) ? COLOR_BLUE : COLOR_GREEN;
printer(Out, name_color, "%-*s ", name_field_width_,
result.benchmark_name.c_str());
result.benchmark_name.c_str());
if (result.error_occurred) {
printer(Out, COLOR_RED, "ERROR OCCURRED: \'%s\'",
result.error_message.c_str());
result.error_message.c_str());
printer(Out, COLOR_DEFAULT, "\n");
return;
}
@ -91,24 +90,24 @@ void ConsoleReporter::PrintRunData(const Run& result) {
// Format items per second
std::string items;
if (result.items_per_second > 0) {
items = StrCat(" ", HumanReadableNumber(result.items_per_second),
" items/s");
}
items =
StrCat(" ", HumanReadableNumber(result.items_per_second), " items/s");
}
const double real_time = result.GetAdjustedRealTime();
const double cpu_time = result.GetAdjustedCPUTime();
if (result.report_big_o) {
std::string big_o = GetBigOString(result.complexity);
printer(Out, COLOR_YELLOW, "%10.2f %s %10.2f %s ", real_time,
big_o.c_str(), cpu_time, big_o.c_str());
printer(Out, COLOR_YELLOW, "%10.2f %s %10.2f %s ", real_time, big_o.c_str(),
cpu_time, big_o.c_str());
} else if (result.report_rms) {
printer(Out, COLOR_YELLOW, "%10.0f %% %10.0f %% ", real_time * 100,
cpu_time * 100);
cpu_time * 100);
} else {
const char* timeLabel = GetTimeUnitString(result.time_unit);
printer(Out, COLOR_YELLOW, "%10.0f %s %10.0f %s ", real_time, timeLabel,
cpu_time, timeLabel);
cpu_time, timeLabel);
}
if (!result.report_big_o && !result.report_rms) {

26
src/csv_reporter.cc
View File

@ -31,38 +31,28 @@ namespace benchmark {
namespace {
std::vector<std::string> elements = {
"name",
"iterations",
"real_time",
"cpu_time",
"time_unit",
"bytes_per_second",
"items_per_second",
"label",
"error_occurred",
"error_message"
};
"name", "iterations", "real_time", "cpu_time",
"time_unit", "bytes_per_second", "items_per_second", "label",
"error_occurred", "error_message"};
}
bool CSVReporter::ReportContext(const Context& context) {
PrintBasicContext(&GetErrorStream(), context);
std::ostream& Out = GetOutputStream();
for (auto B = elements.begin(); B != elements.end(); ) {
for (auto B = elements.begin(); B != elements.end();) {
Out << *B++;
if (B != elements.end())
Out << ",";
if (B != elements.end()) Out << ",";
}
Out << "\n";
return true;
}
void CSVReporter::ReportRuns(const std::vector<Run> & reports) {
for (const auto& run : reports)
PrintRunData(run);
void CSVReporter::ReportRuns(const std::vector<Run>& reports) {
for (const auto& run : reports) PrintRunData(run);
}
void CSVReporter::PrintRunData(const Run & run) {
void CSVReporter::PrintRunData(const Run& run) {
std::ostream& Out = GetOutputStream();
// Field with embedded double-quote characters must be doubled and the field

29
src/internal_macros.h
View File

@ -4,40 +4,39 @@
#include "benchmark/macros.h"
#ifndef __has_feature
# define __has_feature(x) 0
#define __has_feature(x) 0
#endif
#if defined(__clang__)
# define COMPILER_CLANG
#define COMPILER_CLANG
#elif defined(_MSC_VER)
# define COMPILER_MSVC
#define COMPILER_MSVC
#elif defined(__GNUC__)
# define COMPILER_GCC
#define COMPILER_GCC
#endif
#if __has_feature(cxx_attributes)
# define BENCHMARK_NORETURN [[noreturn]]
#define BENCHMARK_NORETURN [[noreturn]]
#elif defined(__GNUC__)
# define BENCHMARK_NORETURN __attribute__((noreturn))
#define BENCHMARK_NORETURN __attribute__((noreturn))
#elif defined(COMPILER_MSVC)
# define BENCHMARK_NORETURN __declspec(noreturn)
#define BENCHMARK_NORETURN __declspec(noreturn)
#else
# define BENCHMARK_NORETURN
#define BENCHMARK_NORETURN
#endif
#if defined(__CYGWIN__)
# define BENCHMARK_OS_CYGWIN 1
#define BENCHMARK_OS_CYGWIN 1
#elif defined(_WIN32)
# define BENCHMARK_OS_WINDOWS 1
#define BENCHMARK_OS_WINDOWS 1
#elif defined(__APPLE__)
// TODO(ericwf) This doesn't actually check that it is a Mac OSX system. Just
// that it is an apple system.
# define BENCHMARK_OS_MACOSX 1
#define BENCHMARK_OS_MACOSX 1
#elif defined(__FreeBSD__)
# define BENCHMARK_OS_FREEBSD 1
#define BENCHMARK_OS_FREEBSD 1
#elif defined(__linux__)
# define BENCHMARK_OS_LINUX 1
#define BENCHMARK_OS_LINUX 1
#endif
#endif // BENCHMARK_INTERNAL_MACROS_H_
#endif // BENCHMARK_INTERNAL_MACROS_H_

65
src/json_reporter.cc
View File

@ -47,11 +47,9 @@ std::string FormatKV(std::string const& key, int64_t value) {
return ss.str();
}
int64_t RoundDouble(double v) {
return static_cast<int64_t>(v + 0.5);
}
int64_t RoundDouble(double v) { return static_cast<int64_t>(v + 0.5); }
} // end namespace
} // end namespace
bool JSONReporter::ReportContext(const Context& context) {
std::ostream& out = GetOutputStream();
@ -66,14 +64,11 @@ bool JSONReporter::ReportContext(const Context& context) {
std::string walltime_value = LocalDateTimeString();
out << indent << FormatKV("date", walltime_value) << ",\n";
out << indent
<< FormatKV("num_cpus", static_cast<int64_t>(context.num_cpus))
out << indent << FormatKV("num_cpus", static_cast<int64_t>(context.num_cpus))
<< ",\n";
out << indent
<< FormatKV("mhz_per_cpu", RoundDouble(context.mhz_per_cpu))
out << indent << FormatKV("mhz_per_cpu", RoundDouble(context.mhz_per_cpu))
<< ",\n";
out << indent
<< FormatKV("cpu_scaling_enabled", context.cpu_scaling_enabled)
out << indent << FormatKV("cpu_scaling_enabled", context.cpu_scaling_enabled)
<< ",\n";
#if defined(NDEBUG)
@ -118,28 +113,20 @@ void JSONReporter::Finalize() {
void JSONReporter::PrintRunData(Run const& run) {
std::string indent(6, ' ');
std::ostream& out = GetOutputStream();
out << indent
<< FormatKV("name", run.benchmark_name)
<< ",\n";
if (run.error_occurred) {
out << indent
<< FormatKV("error_occurred", run.error_occurred)
<< ",\n";
out << indent
<< FormatKV("error_message", run.error_message)
<< ",\n";
}
out << indent << FormatKV("name", run.benchmark_name) << ",\n";
if (run.error_occurred) {
out << indent << FormatKV("error_occurred", run.error_occurred) << ",\n";
out << indent << FormatKV("error_message", run.error_message) << ",\n";
}
if (!run.report_big_o && !run.report_rms) {
out << indent
<< FormatKV("iterations", run.iterations)
<< ",\n";
out << indent
<< FormatKV("real_time", RoundDouble(run.GetAdjustedRealTime()))
<< ",\n";
out << indent
<< FormatKV("cpu_time", RoundDouble(run.GetAdjustedCPUTime()));
out << ",\n" << indent
<< FormatKV("time_unit", GetTimeUnitString(run.time_unit));
out << indent << FormatKV("iterations", run.iterations) << ",\n";
out << indent
<< FormatKV("real_time", RoundDouble(run.GetAdjustedRealTime()))
<< ",\n";
out << indent
<< FormatKV("cpu_time", RoundDouble(run.GetAdjustedCPUTime()));
out << ",\n"
<< indent << FormatKV("time_unit", GetTimeUnitString(run.time_unit));
} else if (run.report_big_o) {
out << indent
<< FormatKV("cpu_coefficient", RoundDouble(run.GetAdjustedCPUTime()))
@ -147,15 +134,11 @@ void JSONReporter::PrintRunData(Run const& run) {
out << indent
<< FormatKV("real_coefficient", RoundDouble(run.GetAdjustedRealTime()))
<< ",\n";
out << indent << FormatKV("big_o", GetBigOString(run.complexity)) << ",\n";
out << indent << FormatKV("time_unit", GetTimeUnitString(run.time_unit));
} else if (run.report_rms) {
out << indent
<< FormatKV("big_o", GetBigOString(run.complexity))
<< ",\n";
out << indent
<< FormatKV("time_unit", GetTimeUnitString(run.time_unit));
} else if(run.report_rms) {
out << indent
<< FormatKV("rms", RoundDouble(run.GetAdjustedCPUTime()*100))
<< '%';
<< FormatKV("rms", RoundDouble(run.GetAdjustedCPUTime() * 100)) << '%';
}
if (run.bytes_per_second > 0.0) {
out << ",\n"
@ -168,9 +151,7 @@ void JSONReporter::PrintRunData(Run const& run) {
<< FormatKV("items_per_second", RoundDouble(run.items_per_second));
}
if (!run.report_label.empty()) {
out << ",\n"
<< indent
<< FormatKV("label", run.report_label);
out << ",\n" << indent << FormatKV("label", run.report_label);
}
out << '\n';
}

9
src/log.h
View File

@ -63,10 +63,11 @@ inline LogType& GetLogInstanceForLevel(int level) {
return GetNullLogInstance();
}
} // end namespace internal
} // end namespace benchmark
} // end namespace internal
} // end namespace benchmark
#define VLOG(x) (::benchmark::internal::GetLogInstanceForLevel(x) \
<< "-- LOG(" << x << "): ")
#define VLOG(x) \
(::benchmark::internal::GetLogInstanceForLevel(x) << "-- LOG(" << x << "):" \
" ")
#endif

57
src/mutex.h
View File

@ -1,30 +1,26 @@
#ifndef BENCHMARK_MUTEX_H_
#define BENCHMARK_MUTEX_H_
#include <mutex>
#include <condition_variable>
#include <mutex>
#include "check.h"
// Enable thread safety attributes only with clang.
// The attributes can be safely erased when compiling with other compilers.
#if defined(HAVE_THREAD_SAFETY_ATTRIBUTES)
#define THREAD_ANNOTATION_ATTRIBUTE__(x) __attribute__((x))
#define THREAD_ANNOTATION_ATTRIBUTE__(x) __attribute__((x))
#else
#define THREAD_ANNOTATION_ATTRIBUTE__(x) // no-op
#define THREAD_ANNOTATION_ATTRIBUTE__(x) // no-op
#endif
#define CAPABILITY(x) \
THREAD_ANNOTATION_ATTRIBUTE__(capability(x))
#define CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE__(capability(x))
#define SCOPED_CAPABILITY \
THREAD_ANNOTATION_ATTRIBUTE__(scoped_lockable)
#define SCOPED_CAPABILITY THREAD_ANNOTATION_ATTRIBUTE__(scoped_lockable)
#define GUARDED_BY(x) \
THREAD_ANNOTATION_ATTRIBUTE__(guarded_by(x))
#define GUARDED_BY(x) THREAD_ANNOTATION_ATTRIBUTE__(guarded_by(x))
#define PT_GUARDED_BY(x) \
THREAD_ANNOTATION_ATTRIBUTE__(pt_guarded_by(x))
#define PT_GUARDED_BY(x) THREAD_ANNOTATION_ATTRIBUTE__(pt_guarded_by(x))
#define ACQUIRED_BEFORE(...) \
THREAD_ANNOTATION_ATTRIBUTE__(acquired_before(__VA_ARGS__))
@ -56,22 +52,18 @@
#define TRY_ACQUIRE_SHARED(...) \
THREAD_ANNOTATION_ATTRIBUTE__(try_acquire_shared_capability(__VA_ARGS__))
#define EXCLUDES(...) \
THREAD_ANNOTATION_ATTRIBUTE__(locks_excluded(__VA_ARGS__))
#define EXCLUDES(...) THREAD_ANNOTATION_ATTRIBUTE__(locks_excluded(__VA_ARGS__))
#define ASSERT_CAPABILITY(x) \
THREAD_ANNOTATION_ATTRIBUTE__(assert_capability(x))
#define ASSERT_CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE__(assert_capability(x))
#define ASSERT_SHARED_CAPABILITY(x) \
THREAD_ANNOTATION_ATTRIBUTE__(assert_shared_capability(x))
#define RETURN_CAPABILITY(x) \
THREAD_ANNOTATION_ATTRIBUTE__(lock_returned(x))
#define RETURN_CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE__(lock_returned(x))
#define NO_THREAD_SAFETY_ANALYSIS \
THREAD_ANNOTATION_ATTRIBUTE__(no_thread_safety_analysis)
namespace benchmark {
typedef std::condition_variable Condition;
@ -80,30 +72,27 @@ typedef std::condition_variable Condition;
// we can annotate them with thread safety attributes and use the
// -Wthread-safety warning with clang. The standard library types cannot be
// used directly because they do not provided the required annotations.
class CAPABILITY("mutex") Mutex
{
public:
class CAPABILITY("mutex") Mutex {
public:
Mutex() {}
void lock() ACQUIRE() { mut_.lock(); }
void unlock() RELEASE() { mut_.unlock(); }
std::mutex& native_handle() {
return mut_;
}
private:
std::mutex& native_handle() { return mut_; }
private:
std::mutex mut_;
};
class SCOPED_CAPABILITY MutexLock
{
class SCOPED_CAPABILITY MutexLock {
typedef std::unique_lock<std::mutex> MutexLockImp;
public:
MutexLock(Mutex& m) ACQUIRE(m) : ml_(m.native_handle())
{ }
public:
MutexLock(Mutex& m) ACQUIRE(m) : ml_(m.native_handle()) {}
~MutexLock() RELEASE() {}
MutexLockImp& native_handle() { return ml_; }
private:
private:
MutexLockImp ml_;
};
@ -161,6 +150,6 @@ class Barrier {
}
};
} // end namespace benchmark
} // end namespace benchmark
#endif // BENCHMARK_MUTEX_H_
#endif // BENCHMARK_MUTEX_H_

10
src/re.h
View File

@ -46,19 +46,19 @@ class Regex {
// Returns whether str matches the compiled regular expression.
bool Match(const std::string& str);
private:
private:
bool init_;
// Underlying regular expression object
// Underlying regular expression object
#if defined(HAVE_STD_REGEX)
std::regex re_;
#elif defined(HAVE_POSIX_REGEX) || defined(HAVE_GNU_POSIX_REGEX)
regex_t re_;
#else
# error No regular expression backend implementation available
#error No regular expression backend implementation available
#endif
};
#if defined(HAVE_STD_REGEX)
inline bool Regex::Init(const std::string& spec, std::string* error) {
@ -74,7 +74,7 @@ inline bool Regex::Init(const std::string& spec, std::string* error) {
return init_;
}
inline Regex::~Regex() { }
inline Regex::~Regex() {}
inline bool Regex::Match(const std::string& str) {
if (!init_) {

29
src/reporter.cc
View File

@ -18,8 +18,8 @@
#include <cstdlib>
#include <iostream>
#include <vector>
#include <tuple>
#include <vector>
#include "check.h"
#include "stat.h"
@ -27,49 +27,42 @@
namespace benchmark {
BenchmarkReporter::BenchmarkReporter()
: output_stream_(&std::cout), error_stream_(&std::cerr)
{
}
: output_stream_(&std::cout), error_stream_(&std::cerr) {}
BenchmarkReporter::~BenchmarkReporter() {
}
BenchmarkReporter::~BenchmarkReporter() {}
void BenchmarkReporter::PrintBasicContext(std::ostream *out_ptr,
Context const &context) {
CHECK(out_ptr) << "cannot be null";
auto& Out = *out_ptr;
auto &Out = *out_ptr;
Out << "Run on (" << context.num_cpus << " X " << context.mhz_per_cpu
<< " MHz CPU " << ((context.num_cpus > 1) ? "s" : "") << ")\n";
<< " MHz CPU " << ((context.num_cpus > 1) ? "s" : "") << ")\n";
Out << LocalDateTimeString() << "\n";
if (context.cpu_scaling_enabled) {
Out << "***WARNING*** CPU scaling is enabled, the benchmark "
"real time measurements may be noisy and will incur extra "
"overhead.\n";
"real time measurements may be noisy and will incur extra "
"overhead.\n";
}
#ifndef NDEBUG
Out << "***WARNING*** Library was built as DEBUG. Timings may be "
"affected.\n";
"affected.\n";
#endif
}
double BenchmarkReporter::Run::GetAdjustedRealTime() const {
double new_time = real_accumulated_time * GetTimeUnitMultiplier(time_unit);
if (iterations != 0)
new_time /= static_cast<double>(iterations);
if (iterations != 0) new_time /= static_cast<double>(iterations);
return new_time;
}
double BenchmarkReporter::Run::GetAdjustedCPUTime() const {
double new_time = cpu_accumulated_time * GetTimeUnitMultiplier(time_unit);
if (iterations != 0)
new_time /= static_cast<double>(iterations);
if (iterations != 0) new_time /= static_cast<double>(iterations);
return new_time;
}
} // end namespace benchmark
} // end namespace benchmark

3
src/stat.h
View File

@ -6,7 +6,6 @@
#include <ostream>
#include <type_traits>
namespace benchmark {
template <typename VType, typename NumType>
@ -136,7 +135,7 @@ class Stat1 {
private:
static_assert(std::is_integral<NumType>::value &&
!std::is_same<NumType, bool>::value,
!std::is_same<NumType, bool>::value,
"NumType must be an integral type that is not bool.");
// Let i be the index of the samples provided (using +=)
// and weight[i],value[i] be the data of sample #i

25
src/string_util.cc
View File

@ -1,11 +1,11 @@
#include "string_util.h"
#include <array>
#include <cmath>
#include <cstdarg>
#include <array>
#include <cstdio>
#include <memory>
#include <sstream>
#include <stdio.h>
#include "arraysize.h"
@ -27,7 +27,7 @@ static_assert(arraysize(kSmallSIUnits) == arraysize(kBigSIUnits),
static const int64_t kUnitsSize = arraysize(kBigSIUnits);
} // end anonymous namespace
} // end anonymous namespace
void ToExponentAndMantissa(double val, double thresh, int precision,
double one_k, std::string* mantissa,
@ -118,8 +118,7 @@ std::string HumanReadableNumber(double n) {
return ToBinaryStringFullySpecified(n, 1.1, 1);
}
std::string StringPrintFImp(const char *msg, va_list args)
{
std::string StringPrintFImp(const char* msg, va_list args) {
// we might need a second shot at this, so pre-emptivly make a copy
va_list args_cp;
va_copy(args_cp, args);
@ -128,14 +127,14 @@ std::string StringPrintFImp(const char *msg, va_list args)
// allocation guess what the size might be
std::array<char, 256> local_buff;
std::size_t size = local_buff.size();
// 2015-10-08: vsnprintf is used instead of snd::vsnprintf due to a limitation in the android-ndk
// 2015-10-08: vsnprintf is used instead of snd::vsnprintf due to a limitation
// in the android-ndk
auto ret = vsnprintf(local_buff.data(), size, msg, args_cp);
va_end(args_cp);
// handle empty expansion
if (ret == 0)
return std::string{};
if (ret == 0) return std::string{};
if (static_cast<std::size_t>(ret) < size)
return std::string(local_buff.data());
@ -143,13 +142,13 @@ std::string StringPrintFImp(const char *msg, va_list args)
// add 1 to size to account for null-byte in size cast to prevent overflow
size = static_cast<std::size_t>(ret) + 1;
auto buff_ptr = std::unique_ptr<char[]>(new char[size]);
// 2015-10-08: vsnprintf is used instead of snd::vsnprintf due to a limitation in the android-ndk
// 2015-10-08: vsnprintf is used instead of snd::vsnprintf due to a limitation
// in the android-ndk
ret = vsnprintf(buff_ptr.get(), size, msg, args);
return std::string(buff_ptr.get());
}
std::string StringPrintF(const char* format, ...)
{
std::string StringPrintF(const char* format, ...) {
va_list args;
va_start(args, format);
std::string tmp = StringPrintFImp(format, args);
@ -160,10 +159,10 @@ std::string StringPrintF(const char* format, ...)
void ReplaceAll(std::string* str, const std::string& from,
const std::string& to) {
std::size_t start = 0;
while((start = str->find(from, start)) != std::string::npos) {
while ((start = str->find(from, start)) != std::string::npos) {
str->replace(start, from.length(), to);
start += to.length();
}
}
} // end namespace benchmark
} // end namespace benchmark

22
src/string_util.h
View File

@ -1,8 +1,8 @@
#ifndef BENCHMARK_STRING_UTIL_H_
#define BENCHMARK_STRING_UTIL_H_
#include <string>
#include <sstream>
#include <string>
#include <utility>
#include "internal_macros.h"
@ -14,23 +14,19 @@ std::string HumanReadableNumber(double n);
std::string StringPrintF(const char* format, ...);
inline std::ostream&
StringCatImp(std::ostream& out) BENCHMARK_NOEXCEPT
{
inline std::ostream& StringCatImp(std::ostream& out) BENCHMARK_NOEXCEPT {
return out;
}
template <class First, class ...Rest>
inline std::ostream&
StringCatImp(std::ostream& out, First&& f, Rest&&... rest)
{
template <class First, class... Rest>
inline std::ostream& StringCatImp(std::ostream& out, First&& f,
Rest&&... rest) {
out << std::forward<First>(f);
return StringCatImp(out, std::forward<Rest>(rest)...);
}
template<class ...Args>
inline std::string StrCat(Args&&... args)
{
template <class... Args>
inline std::string StrCat(Args&&... args) {
std::ostringstream ss;
StringCatImp(ss, std::forward<Args>(args)...);
return ss.str();
@ -39,6 +35,6 @@ inline std::string StrCat(Args&&... args)
void ReplaceAll(std::string* str, const std::string& from,
const std::string& to);
} // end namespace benchmark
} // end namespace benchmark
#endif // BENCHMARK_STRING_UTIL_H_
#endif // BENCHMARK_STRING_UTIL_H_

31
src/sysinfo.cc
View File

@ -17,13 +17,13 @@
#ifdef BENCHMARK_OS_WINDOWS
#include <Shlwapi.h>
#include <Windows.h>
#include <VersionHelpers.h>
#include <Windows.h>
#else
#include <fcntl.h>
#include <sys/resource.h>
#include <sys/types.h> // this header must be included before 'sys/sysctl.h' to avoid compilation error on FreeBSD
#include <sys/time.h>
#include <sys/types.h> // this header must be included before 'sys/sysctl.h' to avoid compilation error on FreeBSD
#include <unistd.h>
#if defined BENCHMARK_OS_FREEBSD || defined BENCHMARK_OS_MACOSX
#include <sys/sysctl.h>
@ -31,8 +31,8 @@
#endif
#include <cerrno>
#include <cstdio>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
@ -126,7 +126,8 @@ void InitializeSystemInfo() {
if (fd == -1) {
perror(pname);
if (!saw_mhz) {
cpuinfo_cycles_per_second = static_cast<double>(EstimateCyclesPerSecond());
cpuinfo_cycles_per_second =
static_cast<double>(EstimateCyclesPerSecond());
}
return;
}
@ -196,7 +197,8 @@ void InitializeSystemInfo() {
cpuinfo_cycles_per_second = bogo_clock;
} else {
// If we don't even have bogomips, we'll use the slow estimation.
cpuinfo_cycles_per_second = static_cast<double>(EstimateCyclesPerSecond());
cpuinfo_cycles_per_second =
static_cast<double>(EstimateCyclesPerSecond());
}
}
if (num_cpus == 0) {
@ -238,7 +240,6 @@ void InitializeSystemInfo() {
}
// TODO: also figure out cpuinfo_num_cpus
#elif defined BENCHMARK_OS_WINDOWS
// In NT, read MHz from the registry. If we fail to do so or we're in win9x
// then make a crude estimate.
@ -248,15 +249,19 @@ void InitializeSystemInfo() {
SHGetValueA(HKEY_LOCAL_MACHINE,
"HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0",
"~MHz", nullptr, &data, &data_size)))
cpuinfo_cycles_per_second = static_cast<double>((int64_t)data * (int64_t)(1000 * 1000)); // was mhz
cpuinfo_cycles_per_second =
static_cast<double>((int64_t)data * (int64_t)(1000 * 1000)); // was mhz
else
cpuinfo_cycles_per_second = static_cast<double>(EstimateCyclesPerSecond());
SYSTEM_INFO sysinfo;
// Use memset as opposed to = {} to avoid GCC missing initializer false positives.
// Use memset as opposed to = {} to avoid GCC missing initializer false
// positives.
std::memset(&sysinfo, 0, sizeof(SYSTEM_INFO));
GetSystemInfo(&sysinfo);
cpuinfo_num_cpus = sysinfo.dwNumberOfProcessors; // number of logical processors in the current group
cpuinfo_num_cpus = sysinfo.dwNumberOfProcessors; // number of logical
// processors in the current
// group
#elif defined BENCHMARK_OS_MACOSX
// returning "mach time units" per second. the current number of elapsed
@ -277,8 +282,8 @@ void InitializeSystemInfo() {
int num_cpus = 0;
size_t size = sizeof(num_cpus);
int numcpus_name[] = {CTL_HW, HW_NCPU};
if (::sysctl(numcpus_name, arraysize(numcpus_name), &num_cpus, &size, nullptr, 0) ==
0 &&
if (::sysctl(numcpus_name, arraysize(numcpus_name), &num_cpus, &size, nullptr,
0) == 0 &&
(size == sizeof(num_cpus)))
cpuinfo_num_cpus = num_cpus;
@ -316,8 +321,8 @@ bool CpuScalingEnabled() {
// local file system. If reading the exported files fails, then we may not be
// running on Linux, so we silently ignore all the read errors.
for (int cpu = 0, num_cpus = NumCPUs(); cpu < num_cpus; ++cpu) {
std::string governor_file = StrCat("/sys/devices/system/cpu/cpu", cpu,
"/cpufreq/scaling_governor");
std::string governor_file =
StrCat("/sys/devices/system/cpu/cpu", cpu, "/cpufreq/scaling_governor");
FILE* file = fopen(governor_file.c_str(), "r");
if (!file) break;
char buff[16];

26
src/timers.cc
View File

@ -92,16 +92,16 @@ double MakeTime(struct timespec const& ts) {
}
#endif
BENCHMARK_NORETURN static void DiagnoseAndExit(const char* msg) {
std::cerr << "ERROR: " << msg << std::endl;
std::exit(EXIT_FAILURE);
BENCHMARK_NORETURN static void DiagnoseAndExit(const char* msg) {
std::cerr << "ERROR: " << msg << std::endl;
std::exit(EXIT_FAILURE);
}
} // end namespace
double ProcessCPUUsage() {
// FIXME We want to use clock_gettime, but its not available in MacOS 10.11. See https://github.com/google/benchmark/pull/292
// FIXME We want to use clock_gettime, but its not available in MacOS 10.11. See
// https://github.com/google/benchmark/pull/292
#if defined(CLOCK_PROCESS_CPUTIME_ID) && !defined(BENCHMARK_OS_MACOSX)
struct timespec spec;
if (clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &spec) == 0)
@ -113,23 +113,23 @@ double ProcessCPUUsage() {
FILETIME exit_time;
FILETIME kernel_time;
FILETIME user_time;
if (GetProcessTimes(proc, &creation_time, &exit_time, &kernel_time, &user_time))
if (GetProcessTimes(proc, &creation_time, &exit_time, &kernel_time,
&user_time))
return MakeTime(kernel_time, user_time);
DiagnoseAndExit("GetProccessTimes() failed");
#else
struct rusage ru;
if (getrusage(RUSAGE_SELF, &ru) == 0)
return MakeTime(ru);
if (getrusage(RUSAGE_SELF, &ru) == 0) return MakeTime(ru);
DiagnoseAndExit("clock_gettime(CLOCK_PROCESS_CPUTIME_ID, ...) failed");
#endif
}
double ThreadCPUUsage() {
// FIXME We want to use clock_gettime, but its not available in MacOS 10.11. See https://github.com/google/benchmark/pull/292
// FIXME We want to use clock_gettime, but its not available in MacOS 10.11. See
// https://github.com/google/benchmark/pull/292
#if defined(CLOCK_THREAD_CPUTIME_ID) && !defined(BENCHMARK_OS_MACOSX)
struct timespec ts;
if (clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts) == 0)
return MakeTime(ts);
if (clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts) == 0) return MakeTime(ts);
DiagnoseAndExit("clock_gettime(CLOCK_THREAD_CPUTIME_ID, ...) failed");
#elif defined(BENCHMARK_OS_WINDOWS)
HANDLE this_thread = GetCurrentThread();
@ -144,8 +144,8 @@ double ThreadCPUUsage() {
mach_msg_type_number_t count = THREAD_BASIC_INFO_COUNT;
thread_basic_info_data_t info;
mach_port_t thread = pthread_mach_thread_np(pthread_self());
if (thread_info(thread, THREAD_BASIC_INFO, (thread_info_t) &info, &count)
== KERN_SUCCESS) {
if (thread_info(thread, THREAD_BASIC_INFO, (thread_info_t)&info, &count) ==
KERN_SUCCESS) {
return MakeTime(info);
}
DiagnoseAndExit("ThreadCPUUsage() failed when evaluating thread_info");