cuda-performance: revert minor tweaks -- flawed analysis :(

flatironinstitute · Jul 27, 2023 · c714ff2 · c714ff2
1 parent 69f05c8
commit c714ff2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/cuda/3d/spread3d_wrapper.cu b/src/cuda/3d/spread3d_wrapper.cu
@@ -191,7 +191,7 @@ int cuspread3d_nuptsdriven(int nf1, int nf2, int nf3, int M, cufinufft_plan_t<T>
     cuda_complex<T> *d_c = d_plan->c;
     cuda_complex<T> *d_fw = d_plan->fw;
 
-    threadsPerBlock.x = 64;
+    threadsPerBlock.x = 16;
     threadsPerBlock.y = 1;
     blocks.x = (M + threadsPerBlock.x - 1) / threadsPerBlock.x;
     blocks.y = 1;