Remove unnecessary sync.

andrew-hardin · andrew-hardin · commit d7ff25626621 · 2020-04-11T21:50:26.000-06:00
diff --git a/src/popsift/common/excl_blk_prefix_sum.h b/src/popsift/common/excl_blk_prefix_sum.h
@@ -73,7 +73,6 @@ class Block
         if( threadIdx.x == 0 && threadIdx.y == 0 ) {
             loop_total = 0;
         }
-        __syncthreads();
 
         const int start = threadIdx.y * blockDim.x + threadIdx.x;
         const int wrap  = blockDim.x * blockDim.y;

Original file line number	Diff line number	Diff line change
`@@ -73,7 +73,6 @@ class Block`
`73`	`73`	`if( threadIdx.x == 0 && threadIdx.y == 0 ) {`
`74`	`74`	`loop_total = 0;`
`75`	`75`	`}`
`76`		`- __syncthreads();`
`77`	`76`
`78`	`77`	`const int start = threadIdx.y * blockDim.x + threadIdx.x;`
`79`	`78`	`const int wrap = blockDim.x * blockDim.y;`