Update 03-streams.md

juhanikataja · web-flow · commit a8b66c096c1b · 2025-03-28T14:50:16.000+02:00
diff --git a/docs/03-streams.md b/docs/03-streams.md
@@ -291,7 +291,7 @@ __global__ void reverse(double *d_a) {
     s_a[tid] = d_a[tid];              /* each thread fills one entry */
     __syncthreads();                  /* all threads in a block must reach this point before 
                                          any thread in that block is allowed to continue. */
-    d_a[tid] = s_a[BLOCKSIZE-tid];    /* safe to write out array in reverse order */
+    d_a[tid] = s_a[BLOCKSIZE-tid-1];    /* safe to write out array in reverse order */
 }
 ```
 

Original file line number	Diff line number	Diff line change
`@@ -291,7 +291,7 @@ __global__ void reverse(double *d_a) {`
`291`	`291`	`s_a[tid] = d_a[tid]; /* each thread fills one entry */`
`292`	`292`	`__syncthreads(); /* all threads in a block must reach this point before`
`293`	`293`	`any thread in that block is allowed to continue. */`
`294`		`- d_a[tid] = s_a[BLOCKSIZE-tid]; /* safe to write out array in reverse order */`
	`294`	`+ d_a[tid] = s_a[BLOCKSIZE-tid-1]; /* safe to write out array in reverse order */`
`295`	`295`	`}`
`296`	`296`	```
`297`	`297`