blender
/
blender
133
398
Fork 579
Code Issues 6.3k Pull Requests 748 Projects 19 Wiki Activity

Cycles: enable /arch:AVX in msvc 11 and later versions for avx kernel 

This enables VEX-encoding in AVX kernel for windows msvc builds and gives 5-10% speedup for different scenes.

Reviewers: juicyfruit, dingto, brecht

Reviewed By: brecht

CC: brecht

Differential Revision: https://developer.blender.org/D284
This commit is contained in:
Sv. Lockal 2014-02-03 17:22:50 +04:00
parent d484eb8c25
commit 04984430ce
1 changed files with 9 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
intern/cycles/CMakeLists.txt
View File

@ -15,17 +15,24 @@ include(cmake/external_libs.cmake)
# todo: refactor this code to match scons
if(WIN32 AND MSVC)
# /arch:AVX for VC2012 and above
if(NOT MSVC_VERSION LESS 1700)
set(CYCLES_AVX_ARCH_FLAGS "/arch:AVX")
elseif(NOT CMAKE_CL_64)
set(CYCLES_AVX_ARCH_FLAGS "/arch:SSE2")
endif()
# there is no /arch:SSE3, but intrinsics are available anyway
if(CMAKE_CL_64)
set(CYCLES_SSE2_KERNEL_FLAGS "/fp:fast -D_CRT_SECURE_NO_WARNINGS /Gs-")
set(CYCLES_SSE3_KERNEL_FLAGS "/fp:fast -D_CRT_SECURE_NO_WARNINGS /Gs-")
set(CYCLES_SSE41_KERNEL_FLAGS "/fp:fast -D_CRT_SECURE_NO_WARNINGS /Gs-")
set(CYCLES_AVX_KERNEL_FLAGS "/fp:fast -D_CRT_SECURE_NO_WARNINGS /Gs-") #/arch:AVX for VC2012 and above
set(CYCLES_AVX_KERNEL_FLAGS "${CYCLES_AVX_ARCH_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /Gs-")
else()
set(CYCLES_SSE2_KERNEL_FLAGS "/arch:SSE2 /fp:fast -D_CRT_SECURE_NO_WARNINGS /Gs-")
set(CYCLES_SSE3_KERNEL_FLAGS "/arch:SSE2 /fp:fast -D_CRT_SECURE_NO_WARNINGS /Gs-")
set(CYCLES_SSE41_KERNEL_FLAGS "/arch:SSE2 /fp:fast -D_CRT_SECURE_NO_WARNINGS /Gs-")
set(CYCLES_AVX_KERNEL_FLAGS "/arch:SSE2 /fp:fast -D_CRT_SECURE_NO_WARNINGS /Gs-") #/arch:AVX for VC2012 and above
set(CYCLES_AVX_KERNEL_FLAGS "${CYCLES_AVX_ARCH_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /Gs-")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /Gs-")