From 96ed28365c3d38fe639e1e8a9b0202178742e0ae Mon Sep 17 00:00:00 2001
From: Tim Warburton <timwar@caam.rice.edu>
Date: Sat, 3 Nov 2012 21:23:20 -0500
Subject: [PATCH] Insert new ordering depency between reduction iname dup and
tag-reduction-as-seq.
---
loopy/creation.py | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/loopy/creation.py b/loopy/creation.py
index ef2aa23ae..55bc29d44 100644
--- a/loopy/creation.py
+++ b/loopy/creation.py
@@ -431,10 +431,19 @@ def make_kernel(*args, **kwargs):
check_for_nonexistent_iname_deps(knl)
+ knl = duplicate_reduction_inames(knl)
+
+ # -------------------------------------------------------------------------
+ # Ordering dependency:
+ # -------------------------------------------------------------------------
+ # Must duplicate reduction inames before tagging reduction inames as
+ # sequential because otherwise the latter operation will run into @iname
+ # (i.e. duplication) markers and not understand them.
+ # -------------------------------------------------------------------------
+
knl = tag_reduction_inames_as_sequential(knl)
knl = create_temporaries(knl)
- knl = duplicate_reduction_inames(knl)
knl = duplicate_inames(knl)
# -------------------------------------------------------------------------
--
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