From f8e89b694a5e3111c39e6cc5e705e928db8738b9 Mon Sep 17 00:00:00 2001
From: Alessandro Vetere <alessandro.vetere@mail.polimi.it>
Date: Wed, 24 May 2017 00:04:19 +0200
Subject: [PATCH] GSdx GSLocalMemory: Reserve space required in the std::vector
 before adding elements to it.

---
 plugins/GSdx/GSLocalMemory.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/plugins/GSdx/GSLocalMemory.cpp b/plugins/GSdx/GSLocalMemory.cpp
index 68d5bb98c8..85ff645259 100644
--- a/plugins/GSdx/GSLocalMemory.cpp
+++ b/plugins/GSdx/GSLocalMemory.cpp
@@ -699,6 +699,9 @@ vector<GSVector2i>* GSLocalMemory::GetPage2TileMap(const GIFRegTEX0& TEX0)
 			}
 		}
 
+		// Allocate vector with initial size
+		p2t[page].reserve(m.size());
+
 		// sort by x and flip the mask (it will be used to erase a lot of bits in a loop, [x] &= ~y)
 
 		for(hash_map<uint32, uint32>::iterator j = m.begin(); j != m.end(); ++j)