Fix clock check for reproducible runtime (#281)

* Fix clock check for reproducible runtime * source formatting (clang-format v11) (#282) Co-authored-by: bwelton <bwelton@users.noreply.github.com> --------- Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: bwelton <bwelton@users.noreply.github.com> [ROCm/rocprofiler-sdk commit: efbb154515]
2023-12-08 01:25:23 -08:00
parent c1c939deaf
commit c19e054225
1 changed files with 2 additions and 8 deletions
@@ -134,14 +134,8 @@ main(int argc, char** argv)
 __global__ void
 reproducible_runtime(int64_t nspin_v)
 {
-    int64_t start = clock64();
-    int64_t diff  = 0;
-
-    do
-    {
-        __syncthreads();
-        diff = (clock64() - start);
-    } while(diff < nspin_v);
+    for(int i = 0; i < nspin_v / 64; i++)
+        asm volatile("s_sleep 1");  // ~64 cycles
 }

 void