Change prefetch size (Apress#106)

* Remove UB Signed-off-by: James Brodman <[email protected]> * Fix loop bounds Signed-off-by: James Brodman <[email protected]> * Change prefetch size Signed-off-by: James Brodman <[email protected]> --------- Signed-off-by: James Brodman <[email protected]>
jbrodman · Jun 5, 2023 · d7f7961 · d7f7961
1 parent c409529
commit d7f7961
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/samples/Ch06_unified_shared_memory/fig_6_8_prefetch_memadvise.cpp b/samples/Ch06_unified_shared_memory/fig_6_8_prefetch_memadvise.cpp
@@ -39,7 +39,7 @@ int main() {
     if ((b + 1) < NUM_BLOCKS) {
       // Prefetch next block
       e = q.prefetch(data + (b + 1) * BLOCK_SIZE,
-                     BLOCK_SIZE);
+                     BLOCK_SIZE*sizeof(int));
     }
   }
   q.wait();