make more reliable code on volta
@@ -171,6 +171,7 @@ namespace NKernel {
if ((binOffset + 32) < n) {
for (int histId = 0; histId < HIST_COUNT; ++histId) {
featureBinSums[fold + BLOCK_SIZE * histId] = sum[histId];
+ __syncwarp();
sum[histId] = featureBinSums[31 + BLOCK_SIZE * histId];
}
}
