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| author | Sergey Sharybin <sergey.vfx@gmail.com> | 2017-02-13 18:25:35 +0300 |
|---|---|---|
| committer | Sergey Sharybin <sergey.vfx@gmail.com> | 2017-02-13 18:25:35 +0300 |
| commit | 81eee0f536763f6ee660bfc8f359bc7853d3161c (patch) | |
| tree | f97c85006d5048467f13a78bc6b7cce96fb67e3f /intern/cycles/CMakeLists.txt | |
| parent | 37afa965a4a1cb8053d449f72cb533a441279af2 (diff) | |
Cycles: Use fast math without finite optimization
This allows us to use faster math and still have reliable
isnan/isfinite tests.
Only do it for host side, kernels stays unchanged.
Thanks Lukas Stockner for the tip!
Diffstat (limited to 'intern/cycles/CMakeLists.txt')
| -rw-r--r-- | intern/cycles/CMakeLists.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/intern/cycles/CMakeLists.txt b/intern/cycles/CMakeLists.txt index 79c1c3e3e82..31fa15a2042 100644 --- a/intern/cycles/CMakeLists.txt +++ b/intern/cycles/CMakeLists.txt @@ -74,6 +74,7 @@ elseif(CMAKE_COMPILER_IS_GNUCC) if(CXX_HAS_AVX2) set(CYCLES_AVX2_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mavx -mavx2 -mfma -mlzcnt -mbmi -mbmi2 -mf16c -mfpmath=sse") endif() + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffast-math -fno-finite-math-only") elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang") check_cxx_compiler_flag(-msse CXX_HAS_SSE) check_cxx_compiler_flag(-mavx CXX_HAS_AVX) @@ -89,6 +90,7 @@ elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang") if(CXX_HAS_AVX2) set(CYCLES_AVX2_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mavx -mavx2 -mfma -mlzcnt -mbmi -mbmi2 -mf16c") endif() + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffast-math -fno-finite-math-only") endif() if(CXX_HAS_SSE) |