diff options
Diffstat (limited to 'xmrstak/backend/amd/amd_gpu/gpu.cpp')
| -rw-r--r-- | xmrstak/backend/amd/amd_gpu/gpu.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/xmrstak/backend/amd/amd_gpu/gpu.cpp b/xmrstak/backend/amd/amd_gpu/gpu.cpp index 2bd3688..d43961e 100644 --- a/xmrstak/backend/amd/amd_gpu/gpu.cpp +++ b/xmrstak/backend/amd/amd_gpu/gpu.cpp @@ -20,6 +20,7 @@ #include <vector> #include <algorithm> #include <regex> +#include <cassert> #ifdef _WIN32 #include <windows.h> @@ -807,6 +808,8 @@ size_t XMRRunJob(GpuContext* ctx, cl_uint* HashOutput) size_t w_size = ctx->workSize; // round up to next multiple of w_size size_t g_thd = ((g_intensity + w_size - 1u) / w_size) * w_size; + // number of global threads must be a multiple of the work group size (w_size) + assert(g_thd%w_size == 0); for(int i = 2; i < 6; ++i) { @@ -892,6 +895,8 @@ size_t XMRRunJob(GpuContext* ctx, cl_uint* HashOutput) // round up to next multiple of w_size BranchNonces[i] = ((BranchNonces[i] + w_size - 1u) / w_size) * w_size; + // number of global threads must be a multiple of the work group size (w_size) + assert(BranchNonces%w_size == 0); if((ret = clEnqueueNDRangeKernel(ctx->CommandQueues, ctx->Kernels[i + 3], 1, &ctx->Nonce, BranchNonces + i, &w_size, 0, NULL, NULL)) != CL_SUCCESS) { printer::inst()->print_msg(L1,"Error %s when calling clEnqueueNDRangeKernel for kernel %d.", err_to_str(ret), i + 3); |
