From d7f79616b26b07ca2e9b34e257ea9c4f7b391b81 Mon Sep 17 00:00:00 2001
From: jbrodman <james.brodman@intel.com>
Date: Mon, 5 Jun 2023 15:59:23 -0400
Subject: [PATCH] Change prefetch size (#106)

* Remove UB

Signed-off-by: James Brodman <james.brodman@intel.com>

* Fix loop bounds

Signed-off-by: James Brodman <james.brodman@intel.com>

* Change prefetch size

Signed-off-by: James Brodman <james.brodman@intel.com>

---------

Signed-off-by: James Brodman <james.brodman@intel.com>
---
 .../Ch06_unified_shared_memory/fig_6_8_prefetch_memadvise.cpp   | 2 +-
 1 file changed, 1 insertion(+), 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
index 7347be5..ed4006a 100644
--- 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();