From 6a1062f56001968dd593757403091cdbec36f2cb Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Mon, 5 Nov 2018 14:31:49 +0000
Subject: [PATCH] bulletproofs: reserve vector memory when known in advance

---
 src/ringct/bulletproofs.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/ringct/bulletproofs.cc b/src/ringct/bulletproofs.cc
index bed48769a..1592e74e4 100644
--- a/src/ringct/bulletproofs.cc
+++ b/src/ringct/bulletproofs.cc
@@ -112,6 +112,7 @@ static void init_exponents()
   if (init_done)
     return;
   std::vector<MultiexpData> data;
+  data.reserve(maxN*maxM*2);
   for (size_t i = 0; i < maxN*maxM; ++i)
   {
     Hi[i] = get_exponent(rct::H, i * 2);
@@ -1056,6 +1057,7 @@ bool bulletproof_VERIFY(const std::vector<const Bulletproof*> &proofs)
 bool bulletproof_VERIFY(const std::vector<Bulletproof> &proofs)
 {
   std::vector<const Bulletproof*> proof_pointers;
+  proof_pointers.reserve(proofs.size());
   for (const Bulletproof &proof: proofs)
     proof_pointers.push_back(&proof);
   return bulletproof_VERIFY(proof_pointers);