From 6600ba316d390e63fee12daf4bb4734a6b95cbcc Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Thu, 4 Jun 2015 12:48:41 -0500
Subject: [PATCH] Introduce LOOPY_NO_CACHE environment variable

---
 loopy/__init__.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/loopy/__init__.py b/loopy/__init__.py
index 453b43103..7bc45d3b1 100644
--- a/loopy/__init__.py
+++ b/loopy/__init__.py
@@ -1459,7 +1459,8 @@ def register_function_manglers(kernel, manglers):
 
 # {{{ cache control
 
-CACHING_ENABLED = True
+import os
+CACHING_ENABLED = "LOOPY_NO_CACHE" not in os.environ
 
 
 def set_caching_enabled(flag):
-- 
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