From 4726f3f0f1bf2f4ab8a17032e1431fff36e6c9de Mon Sep 17 00:00:00 2001
From: Tom Deakin <tom.deakin@bristol.ac.uk>
Date: Thu, 21 Jan 2021 10:39:13 +0000
Subject: [PATCH] [SYCL 2020] Specify no_init property when initalising buffers

---
 SYCLStream.cpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/SYCLStream.cpp b/SYCLStream.cpp
index 109b883..1c182cb 100644
--- a/SYCLStream.cpp
+++ b/SYCLStream.cpp
@@ -179,10 +179,10 @@ void SYCLStream<T>::init_arrays(T initA, T initB, T initC)
 {
   queue->submit([&](sycl::handler &cgh)
   {
-    // TODO: could add the sycl::no_init property
-    sycl::accessor ka {*d_a, cgh, sycl::write_only};
-    sycl::accessor kb {*d_b, cgh, sycl::write_only};
-    sycl::accessor kc {*d_c, cgh, sycl::write_only};
+    sycl::accessor ka {*d_a, cgh, sycl::write_only, sycl::no_init};
+    sycl::accessor kb {*d_b, cgh, sycl::write_only, sycl::no_init};
+    sycl::accessor kc {*d_c, cgh, sycl::write_only, sycl::no_init};
+
     cgh.parallel_for(sycl::range<1>{array_size}, [=](sycl::id<1> idx)
     {
       ka[idx] = initA;
@@ -190,6 +190,7 @@ void SYCLStream<T>::init_arrays(T initA, T initB, T initC)
       kc[idx] = initC;
     });
   });
+
   queue->wait();
 }