From 5ad5b09e3e01d499b07088085fc06d7b36245f2f Mon Sep 17 00:00:00 2001
From: Matt Wala <wala1@illinois.edu>
Date: Sat, 23 Sep 2017 19:10:41 -0500
Subject: [PATCH] Add an identity check to LoopKernel.__eq__

This is going to make pytools!4 more useful, by avoiding expensive
checks for the in-memory cache.
---
 loopy/kernel/__init__.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/loopy/kernel/__init__.py b/loopy/kernel/__init__.py
index 084c37b45..4e2819a82 100644
--- a/loopy/kernel/__init__.py
+++ b/loopy/kernel/__init__.py
@@ -1474,6 +1474,9 @@ class LoopKernel(ImmutableRecordWithoutPickling):
         return hash(key_hash.digest())
 
     def __eq__(self, other):
+        if self is other:
+            return True
+
         if not isinstance(other, LoopKernel):
             return False
 
-- 
GitLab