Cycles CUDA: use fewer registers for sm_50 cards for better performance.

2014-05-27 15:09:00 +02:00 · 2014-05-27 15:09:00 +02:00 · 55e4454db8
parent 69c7522b24
commit 55e4454db8
1 changed files with 1 additions and 1 deletions
--- 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 */