[Bf-blender-cvs] [55e4454] master: Cycles CUDA: use fewer registers for sm_50 cards for better performance.
Brecht Van Lommel
noreply at git.blender.org
Tue May 27 15:12:28 CEST 2014
Commit: 55e4454db8edac58c3d64271d84263e5bb5e9c29
Author: Brecht Van Lommel
Date: Tue May 27 15:09:00 2014 +0200
https://developer.blender.org/rB55e4454db8edac58c3d64271d84263e5bb5e9c29
Cycles CUDA: use fewer registers for sm_50 cards for better performance.
===================================================================
M intern/cycles/kernel/kernel.cu
===================================================================
diff --git a/intern/cycles/kernel/kernel.cu b/intern/cycles/kernel/kernel.cu
index bb20819..69c2600 100644
--- a/intern/cycles/kernel/kernel.cu
+++ b/intern/cycles/kernel/kernel.cu
@@ -61,7 +61,7 @@
/* tunable parameters */
#define CUDA_THREADS_BLOCK_WIDTH 16
-#define CUDA_KERNEL_MAX_REGISTERS 63
+#define CUDA_KERNEL_MAX_REGISTERS 40
#define CUDA_KERNEL_BRANCHED_MAX_REGISTERS 63
/* unknown architecture */
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