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wolfkdy 63748c2204 On ARM platform, use yield op to relax CPU. See issue 7376 (#7438) 
Summary:
see https://github.com/facebook/rocksdb/issues/7376.
The `wfe` op on ARM platform is not suitable to relax CPU. Use `yield` op.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7438

Reviewed By: riversand963

Differential Revision: D24063427

Pulled By: jay-zhuang

fbshipit-source-id: b0ebc5590d7555bd21b30f15cd59f84dc006367a
 		2021-03-26 18:13:24 -07:00
..
win Use thread-safe `strerror_r()` to get error message (#8087) 2021-03-24 23:07:27 -07:00
README reverting disastrous MOE commit, returning to r21 2011-04-19 23:11:15 +00:00
jemalloc_helper.h Fix various small build issues, Java API naming (#7776) 2020-12-18 16:12:26 -08:00
lang.h C++20 compatibility (#6697) 2020-04-20 13:24:25 -07:00
likely.h Support pragma once in all header files and cleanup some warnings (#4339) 2018-09-05 18:13:31 -07:00
malloc.h Charge block cache for cache internal usage (#5797) 2019-09-16 15:26:21 -07:00
port.h Change RocksDB License 2017-07-15 16:11:23 -07:00
port_dirent.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
port_example.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
port_posix.cc Use thread-safe `strerror_r()` to get error message (#8087) 2021-03-24 23:07:27 -07:00
port_posix.h On ARM platform, use yield op to relax CPU. See issue 7376 (#7438) 2021-03-26 18:13:24 -07:00
stack_trace.cc Warn about practically unfixable TSAN warnings in stack trace (#7723) 2020-12-01 10:17:56 -08:00
stack_trace.h Fault injection in db_stress (#6538) 2020-04-10 17:21:26 -07:00
sys_time.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
util_logger.h Move some logging related files to logging/ (#5387) 2019-05-31 17:23:59 -07:00
xpress.h Change RocksDB License 2017-07-15 16:11:23 -07:00

README 

This directory contains interfaces and implementations that isolate the
rest of the package from platform details.

Code in the rest of the package includes "port.h" from this directory.
"port.h" in turn includes a platform specific "port_<platform>.h" file
that provides the platform specific implementation.

See port_posix.h for an example of what must be provided in a platform
specific header file.