From c7e1e44d4b22e6c41f9ae91be4d0341aa1249f02 Mon Sep 17 00:00:00 2001
From: Marcel Koch <marcel.koch@uni-muenster.de>
Date: Wed, 3 Apr 2019 15:54:51 +0200
Subject: [PATCH] prohibit single writer dependeny heuristic form adding wrong
dependencies
---
python/dune/codegen/blockstructured/vectorization.py | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/python/dune/codegen/blockstructured/vectorization.py b/python/dune/codegen/blockstructured/vectorization.py
index 7c30f810..94bc4875 100644
--- a/python/dune/codegen/blockstructured/vectorization.py
+++ b/python/dune/codegen/blockstructured/vectorization.py
@@ -250,6 +250,7 @@ def add_vcl_access(knl, inner_iname, vcl_size, level=0):
load_insns.append(lp.CallInstruction(assignees=(), expression=call_load,
id=load_id, within_inames=insn.within_inames | insn.reduction_inames(),
depends_on=insn.depends_on | write_ids,
+ depends_on_is_final=True,
tags=frozenset({'vectorized_{}'.format(level)})))
read_dependencies.setdefault(id, set())
read_dependencies[id].add(load_id)
@@ -279,6 +280,7 @@ def add_vcl_access(knl, inner_iname, vcl_size, level=0):
id=store_id, within_inames=insn.within_inames,
depends_on=(insn.depends_on | frozenset({id}) | read_dependencies[id] |
write_ids),
+ depends_on_is_final=True,
tags=frozenset({'vectorized_{}'.format(level)})))
# replace alias with vcl vector, except for accumulation assignee
@@ -343,10 +345,12 @@ def add_vcl_access(knl, inner_iname, vcl_size, level=0):
new_insns.append(insn.copy(assignee=assignee_vec,
depends_on=(insn.depends_on | read_dependencies[insn.id] |
write_ids),
+ depends_on_is_final=True,
tags=insn.tags | frozenset({'vectorized_{}'.format(level)})))
else:
new_insns.append(insn.copy(depends_on=(insn.depends_on | read_dependencies[insn.id] |
write_ids),
+ depends_on_is_final=True,
tags=insn.tags | frozenset({'vectorized_{}'.format(level)})))
return knl.copy(instructions=new_insns + load_insns + store_insns)
--
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