[Bf-blender-cvs] [c543814] master: Cycles: Enable SSE math optimization for AVX kernels
Sergey Sharybin
noreply at git.blender.org
Tue Oct 25 16:12:31 CEST 2016
Commit: c54381488bd6066b2b9c66d6a570c8b181c80216
Author: Sergey Sharybin
Date: Tue Oct 25 16:10:47 2016 +0200
Branches: master
https://developer.blender.org/rBc54381488bd6066b2b9c66d6a570c8b181c80216
Cycles: Enable SSE math optimization for AVX kernels
This gives about 5% speedup for AVX processors.
Benefit of such optimization on other microarchitectures is still
under investigation.
===================================================================
M intern/cycles/kernel/kernels/cpu/kernel.cpp
M intern/cycles/kernel/kernels/cpu/kernel_avx.cpp
===================================================================
diff --git a/intern/cycles/kernel/kernels/cpu/kernel.cpp b/intern/cycles/kernel/kernels/cpu/kernel.cpp
index 1559b0d..72dbbd9a 100644
--- a/intern/cycles/kernel/kernels/cpu/kernel.cpp
+++ b/intern/cycles/kernel/kernels/cpu/kernel.cpp
@@ -42,6 +42,7 @@
# define __KERNEL_SSE41__
# endif
# ifdef __AVX__
+# define __KERNEL_SSE__
# define __KERNEL_AVX__
# endif
# ifdef __AVX2__
diff --git a/intern/cycles/kernel/kernels/cpu/kernel_avx.cpp b/intern/cycles/kernel/kernels/cpu/kernel_avx.cpp
index 533ab46..1350d9e 100644
--- a/intern/cycles/kernel/kernels/cpu/kernel_avx.cpp
+++ b/intern/cycles/kernel/kernels/cpu/kernel_avx.cpp
@@ -20,6 +20,7 @@
/* SSE optimization disabled for now on 32 bit, see bug #36316 */
#if !(defined(__GNUC__) && (defined(i386) || defined(_M_IX86)))
+# define __KERNEL_SSE__
# define __KERNEL_SSE2__
# define __KERNEL_SSE3__
# define __KERNEL_SSSE3__
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