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Diffstat (limited to 'intern/cycles/kernel/device/gpu/parallel_reduce.h')
| -rw-r--r-- | intern/cycles/kernel/device/gpu/parallel_reduce.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/intern/cycles/kernel/device/gpu/parallel_reduce.h b/intern/cycles/kernel/device/gpu/parallel_reduce.h index 65b1990dbb8..b60dceb2ed0 100644 --- a/intern/cycles/kernel/device/gpu/parallel_reduce.h +++ b/intern/cycles/kernel/device/gpu/parallel_reduce.h @@ -26,7 +26,11 @@ CCL_NAMESPACE_BEGIN * the overall cost of the algorithm while keeping the work complexity O(n) and * the step complexity O(log n). (Brent's Theorem optimization) */ -#define GPU_PARALLEL_SUM_DEFAULT_BLOCK_SIZE 512 +#ifdef __HIP__ +# define GPU_PARALLEL_SUM_DEFAULT_BLOCK_SIZE 1024 +#else +# define GPU_PARALLEL_SUM_DEFAULT_BLOCK_SIZE 512 +#endif template<uint blocksize, typename InputT, typename OutputT, typename ConvertOp> __device__ void gpu_parallel_sum( |