Merge pull request #252 from fancyIX/feature/#247

Fix very slow vega heavyhash
fancyIX · Dec 1, 2021 · be17b5e · be17b5e
2 parents 66be5db + a0c6292
commit be17b5e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/kernel/heavyhash.cl b/kernel/heavyhash.cl
@@ -78,6 +78,9 @@ __kernel void search(__global uint *header, __global uint* gmatrix, __global uin
 
     for (int i = 0; i < 64; ++i) {
         uint sum = 0;
+#ifdef __gfx900__
+        #pragma nounroll
+#endif
         for (int k = 0; k < 4; k++) {
             ulong2 buf0 = matrix[i * 16 + k * 4 + 0];
             ulong2 buf1 = matrix[i * 16 + k * 4 + 1];