message: windows SMID option imporve
diff: @@ -31,10 +31,15 @@ option(tensorflow_BUILD_PYTHON_TESTS "Build python unit tests " OFF)
  option(tensorflow_BUILD_MORE_PYTHON_TESTS "Build more python unit tests for contrib packages" OFF)
  option(tensorflow_BUILD_SHARED_LIB "Build TensorFlow as a shared library" OFF)
  option(tensorflow_OPTIMIZE_FOR_NATIVE_ARCH "Enable compiler optimizations for the native processor architecture (if available)" ON)
  -option(tensorflow_WIN_CPU_SIMD_OPTIONS "Enables CPU SIMD instructions")
  option(tensorflow_ENABLE_SNAPPY_SUPPORT "Enable SNAPPY compression support" ON)
  option(tensorflow_DISABLE_EIGEN_FORCEINLINE "Disable forceinline, to speed up build on windows." OFF)
  +# enable SIMD instructions with MSVC, as AVX and SSE
  +if (WIN32)
  +SET(tensorflow_WIN_CPU_SIMD_OPTIONS "/arch:AVX" CACHE STRING "Enables CPU SIMD instructions")
  +SET_PROPERTY(CACHE tensorflow_WIN_CPU_SIMD_OPTIONS PROPERTY STRINGS /arch:AVX)
  +endif()
  +
  # GPU, CUDA and cuDNN options
  option(tensorflow_ENABLE_GPU "Enable GPU support" OFF)
  set(tensorflow_CUDA_VERSION "9.0" CACHE STRING "CUDA version to build against")
  