From 9b35d3457d84f25645b85a3927a76edc8a5d981e Mon Sep 17 00:00:00 2001
From: Aditya Bhosale <adityab@iitb.ac.in>
Date: Wed, 12 Sep 2018 01:27:08 +0530
Subject: [PATCH] Fix bank conflict avoidance for scans
---
pyopencl/scan.py | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/pyopencl/scan.py b/pyopencl/scan.py
index ab8aee30..31a9ede4 100644
--- a/pyopencl/scan.py
+++ b/pyopencl/scan.py
@@ -157,7 +157,6 @@ void ${kernel_name}(
scan_type value;
int dummy;
};
- LOCAL_MEM struct wrapped_scan_type ldata[K + 1][WG_SIZE + 1];
%else:
struct wrapped_scan_type
{
@@ -165,8 +164,8 @@ void ${kernel_name}(
};
// padded in WG_SIZE to avoid bank conflicts
- LOCAL_MEM struct wrapped_scan_type ldata[K + 1][WG_SIZE];
%endif
+ LOCAL_MEM struct wrapped_scan_type ldata[K + 1][WG_SIZE + 1];
%if is_segmented:
LOCAL_MEM char l_segment_start_flags[K][WG_SIZE];
--
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