From a8a1c4872ff7e127190a6508f3151f6996e35bc3 Mon Sep 17 00:00:00 2001
From: Dominic Kempf <dominic.kempf@iwr.uni-heidelberg.de>
Date: Fri, 21 Oct 2016 18:37:14 +0200
Subject: [PATCH] Silence warning about temporary not being written
It is a memory reinterpretation
---
python/dune/perftool/generation/__init__.py | 1 +
python/dune/perftool/generation/loopy.py | 1 +
python/dune/perftool/pdelab/localoperator.py | 2 ++
python/dune/perftool/sumfact/sumfact.py | 5 +++++
4 files changed, 9 insertions(+)
diff --git a/python/dune/perftool/generation/__init__.py b/python/dune/perftool/generation/__init__.py
index 758602a9..40d92670 100644
--- a/python/dune/perftool/generation/__init__.py
+++ b/python/dune/perftool/generation/__init__.py
@@ -33,6 +33,7 @@ from dune.perftool.generation.loopy import (constantarg,
iname,
instruction,
pymbolic_expr,
+ silenced_warning,
temporary_variable,
valuearg,
)
diff --git a/python/dune/perftool/generation/loopy.py b/python/dune/perftool/generation/loopy.py
index 2e0cd5fb..0fbbfbfc 100644
--- a/python/dune/perftool/generation/loopy.py
+++ b/python/dune/perftool/generation/loopy.py
@@ -13,6 +13,7 @@ import numpy
iname = generator_factory(item_tags=("iname",))
pymbolic_expr = generator_factory(item_tags=("kernel", "pymbolic"))
function_mangler = generator_factory(item_tags=("mangler",))
+silenced_warning = generator_factory(item_tags=("silenced_warning",), no_deco=True)
@generator_factory(item_tags=("argument", "globalarg"),
diff --git a/python/dune/perftool/pdelab/localoperator.py b/python/dune/perftool/pdelab/localoperator.py
index 702e8ff9..3fbb2595 100644
--- a/python/dune/perftool/pdelab/localoperator.py
+++ b/python/dune/perftool/pdelab/localoperator.py
@@ -470,6 +470,7 @@ def generate_kernel(integrals):
temporaries = {i.name: i for i in retrieve_cache_items("temporary")}
arguments = [i for i in retrieve_cache_items("argument")]
manglers = retrieve_cache_functions("mangler")
+ silenced = [l for l in retrieve_cache_items("silenced_warning")]
# Construct an options object
from loopy import Options
@@ -484,6 +485,7 @@ def generate_kernel(integrals):
function_manglers=manglers,
target=DuneTarget(),
options=opt,
+ silenced_warnings=silenced,
)
from loopy import make_reduction_inames_unique
diff --git a/python/dune/perftool/sumfact/sumfact.py b/python/dune/perftool/sumfact/sumfact.py
index 6345a029..8585f153 100644
--- a/python/dune/perftool/sumfact/sumfact.py
+++ b/python/dune/perftool/sumfact/sumfact.py
@@ -2,6 +2,7 @@ from dune.perftool.generation import (domain,
get_counter,
iname,
instruction,
+ silenced_warning,
)
from dune.perftool.loopy.buffer import (get_buffer_temporary,
initialize_buffer,
@@ -53,6 +54,7 @@ def start_sumfactorization():
inp = get_buffer_temporary("buffer",
shape=shape,
dim_tags="f,f")
+ silenced_warning('read_no_write({})'.format(inp))
return sum_factorization_kernel(a_matrices, inp, "buffer")
@@ -83,6 +85,9 @@ def sum_factorization_kernel(a_matrices, inp, buffer):
shape=inp_shape,
dim_tags="f,f")
+ # The input temporary will only be read from, so we need to silence the loopy warning
+ silenced_warning('read_no_write({})'.format(inp))
+
switch_base_storage(buffer)
# Get a temporary that interprets the base storage of the output
--
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