Support benchmark on windows machines

Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/10564

Reviewed By: llyfacebook

Differential Revision: D9356389

Pulled By: sf-wind

fbshipit-source-id: f6c58e68d3eaf3a39c9f89b8f04e6039c75b4cd9

binaries/benchmark_helper.cc

@@ -15,6 +15,8 @@
  */
 
 #include <string>
+#include <chrono>
+#include <thread>
 
 #include "binaries/benchmark_helper.h"
 #include "caffe2/core/blob_serialization.h"
@@ -241,7 +243,7 @@ void runNetwork(
     caffe2::wipe_cache();
   }
   if (sleep_before_run > 0) {
-    sleep(sleep_before_run);
+    std::this_thread::sleep_for(std::chrono::seconds(sleep_before_run));
   }
   LOG(INFO) << "Main runs.";
   CAFFE_ENFORCE(

scripts/build_windows.bat

@@ -18,6 +18,10 @@ if NOT DEFINED USE_CUDA (
   set USE_CUDA=OFF
 )
 
+if NOT DEFINED USE_OBSERVERS (
+  set USE_OBSERVERS=OFF
+)
+
 if NOT DEFINED CMAKE_GENERATOR (
   if DEFINED APPVEYOR_BUILD_WORKER_IMAGE (
     if "%APPVEYOR_BUILD_WORKER_IMAGE%" == "Visual Studio 2017" (
@@ -61,6 +65,7 @@ cmake .. ^
   -DUSE_GFLAGS=OFF ^
   -DUSE_LMDB=OFF ^
   -DUSE_LEVELDB=OFF ^
+  -DUSE_OBSERVERS=%USE_OBSERVERS%^
   -DUSE_ROCKSDB=OFF ^
   -DUSE_OPENCV=OFF ^
   -DBUILD_SHARED_LIBS=OFF ^