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ringct: reserve space in vectors to avoid excessive reallocation

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moneromooo-monero 2016-10-10 23:47:01 +01:00
parent 9ebf7b6dcf
commit afc70df7ea
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GPG key ID: 686F07454D6CEFC3
1 changed files with 2 additions and 0 deletions
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src/ringct/rctSigs.cpp
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@ -351,6 +351,7 @@ namespace rct {
key get_pre_mlsag_hash(const rctSig &rv) key get_pre_mlsag_hash(const rctSig &rv)
{ {
keyV hashes; keyV hashes;
hashes.reserve(3);
hashes.push_back(rv.message); hashes.push_back(rv.message);
crypto::hash h; crypto::hash h;
@ -364,6 +365,7 @@ namespace rct {
hashes.push_back(hash2rct(h)); hashes.push_back(hash2rct(h));
keyV kv; keyV kv;
kv.reserve((64*3+1) * rv.p.rangeSigs.size());
for (auto r: rv.p.rangeSigs) for (auto r: rv.p.rangeSigs)
{ {
for (size_t n = 0; n < 64; ++n) for (size_t n = 0; n < 64; ++n)