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Fix benchmarks. 

PiperOrigin-RevId: 264420835
This commit is contained in:
Victor Costan 2019-08-20 11:01:22 -07:00 committed by Victor Costan
parent 6219c7787b
commit c6bf1170d8
2 changed files with 17 additions and 4 deletions
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4
snappy-test.h
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@ -265,6 +265,8 @@ extern Benchmark* Benchmark_BM_UFlat;
extern Benchmark* Benchmark_BM_UIOVec;
extern Benchmark* Benchmark_BM_UValidate;
extern Benchmark* Benchmark_BM_ZFlat;
extern Benchmark* Benchmark_BM_ZFlatAll;
extern Benchmark* Benchmark_BM_ZFlatIncreasingTableSize;
void ResetBenchmarkTiming();
void StartBenchmarkTiming();
@ -416,6 +418,8 @@ static inline void RunSpecifiedBenchmarks() {
snappy::Benchmark_BM_UIOVec->Run();
snappy::Benchmark_BM_UValidate->Run();
snappy::Benchmark_BM_ZFlat->Run();
snappy::Benchmark_BM_ZFlatAll->Run();
snappy::Benchmark_BM_ZFlatIncreasingTableSize->Run();
fprintf(stderr, "\n");
}

17
snappy_unittest.cc
View File

@ -1410,19 +1410,23 @@ static void BM_ZFlat(int iters, int arg) {
}
BENCHMARK(BM_ZFlat)->DenseRange(0, ARRAYSIZE(files) - 1);
static void BM_ZFlatAll(int iters) {
static void BM_ZFlatAll(int iters, int arg) {
StopBenchmarkTiming();
CHECK_EQ(arg, 0);
const int num_files = ARRAYSIZE(files);
std::vector<std::string> contents(num_files);
std::vector<char*> dst(num_files);
int64 total_contents_size = 0;
for (int i = 0; i < num_files; ++i) {
contents[i] = ReadTestDataFile(files[i].filename, files[i].size_limit);
dst[i] = new char[snappy::MaxCompressedLength(contents[i].size())];
total_contents_size += contents[i].size();
}
SetBenchmarkBytesProcessed(static_cast<int64>(iters) * total_contents_size);
StartBenchmarkTiming();
size_t zsize = 0;
@ -1437,27 +1441,32 @@ static void BM_ZFlatAll(int iters) {
for (int i = 0; i < num_files; ++i) {
delete[] dst[i];
}
SetBenchmarkLabel(StringPrintf("%d files", num_files));
}
BENCHMARK(BM_ZFlatAll);
BENCHMARK(BM_ZFlatAll)->DenseRange(0, 0);
static void BM_ZFlatIncreasingTableSize(int iters) {
static void BM_ZFlatIncreasingTableSize(int iters, int arg) {
StopBenchmarkTiming();
QCHECK_GT(ARRAYSIZE(files), 0);
CHECK_EQ(arg, 0);
CHECK_GT(ARRAYSIZE(files), 0);
const std::string base_content =
ReadTestDataFile(files[0].filename, files[0].size_limit);
std::vector<std::string> contents;
std::vector<char*> dst;
int64 total_contents_size = 0;
for (int table_bits = kMinHashTableBits; table_bits <= kMaxHashTableBits;
++table_bits) {
std::string content = base_content;
content.resize(1 << table_bits);
dst.push_back(new char[snappy::MaxCompressedLength(content.size())]);
total_contents_size += content.size();
contents.push_back(std::move(content));
}
size_t zsize = 0;
SetBenchmarkBytesProcessed(static_cast<int64>(iters) * total_contents_size);
StartBenchmarkTiming();
while (iters-- > 0) {
for (int i = 0; i < contents.size(); ++i) {