diff options
Diffstat (limited to 'intern')
| -rw-r--r-- | intern/cycles/kernel/kernels/cuda/kernel_config.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/intern/cycles/kernel/kernels/cuda/kernel_config.h b/intern/cycles/kernel/kernels/cuda/kernel_config.h index 7ae205b7e14..d0e536f1b87 100644 --- a/intern/cycles/kernel/kernels/cuda/kernel_config.h +++ b/intern/cycles/kernel/kernels/cuda/kernel_config.h @@ -76,6 +76,11 @@ # define CUDA_KERNEL_MAX_REGISTERS 48 # define CUDA_KERNEL_BRANCHED_MAX_REGISTERS 63 +/* CUDA 9.0 seems to cause slowdowns on high-end Pascal cards unless we increase the number of registers */ +# if __CUDACC_VER_MAJOR__ == 9 && __CUDA_ARCH__ >= 600 +# #define CUDA_KERNEL_MAX_REGISTERS 64 +# endif + /* unknown architecture */ #else # error "Unknown or unsupported CUDA architecture, can't determine launch bounds" |