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| author | Pieter Wuille <pieter.wuille@gmail.com> | 2016-09-09 13:27:38 +0200 |
|---|---|---|
| committer | Pieter Wuille <pieter.wuille@gmail.com> | 2016-09-09 13:41:15 +0200 |
| commit | 6898213409811b140843c3d89af43328c3b22fad (patch) | |
| tree | a3aefdb745f0c8e75316878f618c85abdef27c1b /src | |
| parent | 2abfe5956eef4b738406e9f06049a11cc6f2773f (diff) | |
| parent | ec81881b86b9680fcdcc42fd3ba31f04b8d09714 (diff) | |
| download | bitcoin-6898213409811b140843c3d89af43328c3b22fad.tar.xz | |
Merge #8681: Performance Regression Fix: Pre-Allocate txChanged vector
ec81881 Performance Regression Fix: Pre-Allocate txChanged vector (Jeremy Rubin)
Diffstat (limited to 'src')
| -rw-r--r-- | src/main.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/main.cpp b/src/main.cpp index 03ae70d327..cb6e942272 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -2787,7 +2787,7 @@ static int64_t nTimePostConnect = 0; * Connect a new block to chainActive. pblock is either NULL or a pointer to a CBlock * corresponding to pindexNew, to bypass loading it again from disk. */ -bool static ConnectTip(CValidationState& state, const CChainParams& chainparams, CBlockIndex* pindexNew, const CBlock* pblock, std::list<CTransaction> &txConflicted, std::vector<std::tuple<CTransaction,CBlockIndex*,int> > &txChanged) +bool static ConnectTip(CValidationState& state, const CChainParams& chainparams, CBlockIndex* pindexNew, const CBlock* pblock, std::list<CTransaction> &txConflicted, std::vector<std::tuple<CTransaction,CBlockIndex*,int>> &txChanged) { assert(pindexNew->pprev == chainActive.Tip()); // Read block from disk. @@ -2829,7 +2829,7 @@ bool static ConnectTip(CValidationState& state, const CChainParams& chainparams, UpdateTip(pindexNew, chainparams); for(unsigned int i=0; i < pblock->vtx.size(); i++) - txChanged.push_back(std::make_tuple(pblock->vtx[i], pindexNew, i)); + txChanged.emplace_back(pblock->vtx[i], pindexNew, i); int64_t nTime6 = GetTimeMicros(); nTimePostConnect += nTime6 - nTime5; nTimeTotal += nTime6 - nTime1; LogPrint("bench", " - Connect postprocess: %.2fms [%.2fs]\n", (nTime6 - nTime5) * 0.001, nTimePostConnect * 0.000001); @@ -2911,7 +2911,7 @@ static void PruneBlockIndexCandidates() { * Try to make some progress towards making pindexMostWork the active block. * pblock is either NULL or a pointer to a CBlock corresponding to pindexMostWork. */ -static bool ActivateBestChainStep(CValidationState& state, const CChainParams& chainparams, CBlockIndex* pindexMostWork, const CBlock* pblock, bool& fInvalidFound, std::list<CTransaction>& txConflicted, std::vector<std::tuple<CTransaction,CBlockIndex*,int> >& txChanged) +static bool ActivateBestChainStep(CValidationState& state, const CChainParams& chainparams, CBlockIndex* pindexMostWork, const CBlock* pblock, bool& fInvalidFound, std::list<CTransaction>& txConflicted, std::vector<std::tuple<CTransaction,CBlockIndex*,int>>& txChanged) { AssertLockHeld(cs_main); const CBlockIndex *pindexOldTip = chainActive.Tip(); @@ -3013,14 +3013,17 @@ static void NotifyHeaderTip() { bool ActivateBestChain(CValidationState &state, const CChainParams& chainparams, const CBlock *pblock, CConnman* connman) { CBlockIndex *pindexMostWork = NULL; CBlockIndex *pindexNewTip = NULL; + std::vector<std::tuple<CTransaction,CBlockIndex*,int>> txChanged; + if (pblock) + txChanged.reserve(pblock->vtx.size()); do { + txChanged.clear(); boost::this_thread::interruption_point(); if (ShutdownRequested()) break; const CBlockIndex *pindexFork; std::list<CTransaction> txConflicted; - std::vector<std::tuple<CTransaction,CBlockIndex*,int> > txChanged; bool fInitialDownload; int nNewHeight; { |