From ec14b4b36c29512b55c02350ebde881c1220e1a6 Mon Sep 17 00:00:00 2001
From: Moritz <moritz>
Date: Sat, 5 Oct 2024 20:45:36 +0200
Subject: [PATCH] wp

---
 group/group_inclusive_scan.cpp | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/group/group_inclusive_scan.cpp b/group/group_inclusive_scan.cpp
index 158c454..ececd3e 100644
--- a/group/group_inclusive_scan.cpp
+++ b/group/group_inclusive_scan.cpp
@@ -46,12 +46,11 @@ class MicroBenchGroupInclusiveScan {
       cgh.parallel_for<MicroBenchGroupInclusiveScanKernel<DataT, Iterations>>(
           s::nd_range<1>{num_groups * args.local_size, args.local_size}, [=](cl::sycl::nd_item<1> item) {
             auto g = item.get_group();
-            size_t gid = item.get_global_linear_id();
             DataT d = initialize_type<DataT>(0);
 
-            for(int i = Iterations; i >= 0; --i) {
-              d = s::inclusive_scan_over_group(g, a_[item.get_local_linear_id() + i % args.local_size], cl::sycl::plus<DataT>{});
-              out[gid] = d;
+            for(int i = 0; i < Iterations; ++i) {
+              d = s::inclusive_scan_over_group(g, a_[item.get_local_linear_id()], cl::sycl::plus<DataT>{});
+              out[item.get_local_linear_id()] = d;
             }
           });
     }));