From afc70df7ea3e5d0ef5e0b9ecd7beefefeb954645 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Mon, 10 Oct 2016 23:47:01 +0100
Subject: [PATCH] ringct: reserve space in vectors to avoid excessive
 reallocation

---
 src/ringct/rctSigs.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/ringct/rctSigs.cpp b/src/ringct/rctSigs.cpp
index 80ece9c44..fd2912684 100644
--- a/src/ringct/rctSigs.cpp
+++ b/src/ringct/rctSigs.cpp
@@ -351,6 +351,7 @@ namespace rct {
     key get_pre_mlsag_hash(const rctSig &rv)
     {
       keyV hashes;
+      hashes.reserve(3);
       hashes.push_back(rv.message);
       crypto::hash h;
 
@@ -364,6 +365,7 @@ namespace rct {
       hashes.push_back(hash2rct(h));
 
       keyV kv;
+      kv.reserve((64*3+1) * rv.p.rangeSigs.size());
       for (auto r: rv.p.rangeSigs)
       {
         for (size_t n = 0; n < 64; ++n)