From 12629a0a754d274cf1262f09db0290c6782e0adb Mon Sep 17 00:00:00 2001
From: "A. Unique TensorFlower" <gardener@tensorflow.org>
Date: Mon, 31 Oct 2016 14:05:26 -0800
Subject: Use gtl::FlatMap and gtl::FlatSet in several places instead of
 std::unordered_map and std::unordered_set.

Add default template argument of std::hash<Key> to gtl::FlatMap and gtl::FlatSet
to better match std::unordered_{map,set}

Improves performance on an RPC-intensive benchmark by ~0.4%
Change: 137754417
---
 tensorflow/core/lib/hash/hash.h | 3 ---
 1 file changed, 3 deletions(-)

(limited to 'tensorflow/core/lib/hash')

diff --git a/tensorflow/core/lib/hash/hash.h b/tensorflow/core/lib/hash/hash.h
index 4e64c90d62..6f965928c7 100644
--- a/tensorflow/core/lib/hash/hash.h
+++ b/tensorflow/core/lib/hash/hash.h
@@ -43,9 +43,6 @@ inline uint64 Hash64Combine(uint64 a, uint64 b) {
 }
 
 // Convenience Hash functors
-struct HashInt64 {
-  size_t operator()(int64 x) const { return static_cast<size_t>(x); }
-};
 struct HashStr {
   size_t operator()(const string& s) const {
     return static_cast<size_t>(Hash64(s));
-- 
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