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| author |  A. Unique TensorFlower <gardener@tensorflow.org> | 2018-03-20 11:21:40 -0700 |
|---|---|---|
| committer | TensorFlower Gardener <gardener@tensorflow.org> | 2018-03-20 11:24:28 -0700 |
| commit | beaf17d4b2b2e79e97b08b0382b302771ae6081e (patch) | |
| tree | b42d410b69baff22290ebc54de613d2999a87559 /tensorflow/contrib/makefile | |
| parent | 1c4e42b39fd9ae2da14d7eb323bedc144a6e659b (diff) | |
Update version of nsync used by TensorFlow.
The primary change is that on Linux, the C++11 build of nsync will now use
underlying system primitives to implement a semaphore instead of the C++11
primitives, which are currently surprisingly slow on Linux.
PiperOrigin-RevId: 189775201
Diffstat (limited to 'tensorflow/contrib/makefile')
| -rwxr-xr-x | tensorflow/contrib/makefile/compile_nsync.sh | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tensorflow/contrib/makefile/compile_nsync.sh b/tensorflow/contrib/makefile/compile_nsync.sh index 7927997678..e8c6edd7ba 100755 --- a/tensorflow/contrib/makefile/compile_nsync.sh +++ b/tensorflow/contrib/makefile/compile_nsync.sh @@ -109,17 +109,18 @@ for arch in $archs; do linux) makefile=' CC=${CC_PREFIX} g++ PLATFORM_CPPFLAGS=-DNSYNC_USE_CPP11_TIMEPOINT -DNSYNC_ATOMIC_CPP11 \ + -I../../platform/c++11.futex \ -I../../platform/c++11 -I../../platform/gcc \ -I../../platform/posix -pthread PLATFORM_CFLAGS=-std=c++11 -Werror -Wall -Wextra -pedantic PLATFORM_LDFLAGS=-pthread MKDEP=${CC} -M -std=c++11 - PLATFORM_C=../../platform/c++11/src/nsync_semaphore_mutex.cc \ + PLATFORM_C=../../platform/linux/src/nsync_semaphore_futex.c \ ../../platform/c++11/src/per_thread_waiter.cc \ ../../platform/c++11/src/yield.cc \ ../../platform/c++11/src/time_rep_timespec.cc \ ../../platform/c++11/src/nsync_panic.cc - PLATFORM_OBJS=nsync_semaphore_mutex.o per_thread_waiter.o yield.o \ + PLATFORM_OBJS=nsync_semaphore_futex.o per_thread_waiter.o yield.o \ time_rep_timespec.o nsync_panic.o TEST_PLATFORM_C=../../platform/c++11/src/start_thread.cc TEST_PLATFORM_OBJS=start_thread.o |