From 935046e3251e0134a5a35a69aec83e6a2c5851c8 Mon Sep 17 00:00:00 2001
From: Isuru Fernando <isuruf@gmail.com>
Date: Thu, 28 Apr 2022 13:25:12 -0500
Subject: [PATCH] Add a comment about why there's a specific GPU version
---
sumpy/p2p.py | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sumpy/p2p.py b/sumpy/p2p.py
index 040f579e..38191846 100644
--- a/sumpy/p2p.py
+++ b/sumpy/p2p.py
@@ -492,6 +492,8 @@ class P2PFromCSR(P2PBase):
"{[itgt]: itgt_start <= itgt < itgt_end}",
]
+ # There are two algorithms here because pocl-pthread 1.9 miscompiles
+ # the "gpu" kernel with prefetching.
if gpu:
instructions = (self.get_kernel_scaling_assignments()
+ ["""
--
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