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Commit de666e30 authored by peastman's avatar peastman
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Fixed race condition

parent b849c856
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platforms/cuda/src/kernels/rmsd.cu
View file @ de666e30
...@@ -6,6 +6,7 @@ ...@@ -6,6 +6,7 @@
*/ */
__device__ real reduceValue(real value, volatile real* temp) { __device__ real reduceValue(real value, volatile real* temp) {
const int thread = threadIdx.x; const int thread = threadIdx.x;
__syncthreads();
temp[thread] = value; temp[thread] = value;
__syncthreads(); __syncthreads();
for (uint step = 1; step < 32; step *= 2) { for (uint step = 1; step < 32; step *= 2) {
......
platforms/opencl/src/kernels/rmsd.cl
View file @ de666e30
...@@ -6,6 +6,7 @@ ...@@ -6,6 +6,7 @@
*/ */
real reduceValue(real value, __local volatile real* temp) { real reduceValue(real value, __local volatile real* temp) {
const int thread = get_local_id(0); const int thread = get_local_id(0);
barrier(CLK_LOCAL_MEM_FENCE);
temp[thread] = value; temp[thread] = value;
barrier(CLK_LOCAL_MEM_FENCE); barrier(CLK_LOCAL_MEM_FENCE);
for (uint step = 1; step < 32; step *= 2) { for (uint step = 1; step < 32; step *= 2) {
......
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