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Merge pull request #6965

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77f1f59 Benchmark sanity checks and fork checks in ConnectBlock (Matt Corallo)
This commit is contained in:
Wladimir J. van der Laan 2015-11-10 19:18:47 +01:00
commit de7d4591a7
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GPG Key ID: 74810B012346C9A6
1 changed files with 19 additions and 9 deletions
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src/main.cpp
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@ -1711,6 +1711,8 @@ void PartitionCheck(bool (*initialDownloadCheck)(), CCriticalSection& cs, const
}
}
static int64_t nTimeCheck = 0;
static int64_t nTimeForks = 0;
static int64_t nTimeVerify = 0;
static int64_t nTimeConnect = 0;
static int64_t nTimeIndex = 0;
@ -1721,6 +1723,9 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
{
const CChainParams& chainparams = Params();
AssertLockHeld(cs_main);
int64_t nTimeStart = GetTimeMicros();
// Check it again in case a previous version let a bad block in
if (!CheckBlock(block, state, !fJustCheck, !fJustCheck))
return false;
@ -1746,6 +1751,9 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
}
}
int64_t nTime1 = GetTimeMicros(); nTimeCheck += nTime1 - nTimeStart;
LogPrint("bench", " - Sanity checks: %.2fms [%.2fs]\n", 0.001 * (nTime1 - nTimeStart), nTimeCheck * 0.000001);
// Do not allow blocks that contain transactions which 'overwrite' older transactions,
// unless those are already completely spent.
// If such overwrites are allowed, coinbases and transactions depending upon those
@ -1788,11 +1796,13 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
flags |= SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY;
}
int64_t nTime2 = GetTimeMicros(); nTimeForks += nTime2 - nTime1;
LogPrint("bench", " - Fork checks: %.2fms [%.2fs]\n", 0.001 * (nTime2 - nTime1), nTimeForks * 0.000001);
CBlockUndo blockundo;
CCheckQueueControl<CScriptCheck> control(fScriptChecks && nScriptCheckThreads ? &scriptcheckqueue : NULL);
int64_t nTimeStart = GetTimeMicros();
CAmount nFees = 0;
int nInputs = 0;
unsigned int nSigOps = 0;
@ -1845,8 +1855,8 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
vPos.push_back(std::make_pair(tx.GetHash(), pos));
pos.nTxOffset += ::GetSerializeSize(tx, SER_DISK, CLIENT_VERSION);
}
int64_t nTime1 = GetTimeMicros(); nTimeConnect += nTime1 - nTimeStart;
LogPrint("bench", " - Connect %u transactions: %.2fms (%.3fms/tx, %.3fms/txin) [%.2fs]\n", (unsigned)block.vtx.size(), 0.001 * (nTime1 - nTimeStart), 0.001 * (nTime1 - nTimeStart) / block.vtx.size(), nInputs <= 1 ? 0 : 0.001 * (nTime1 - nTimeStart) / (nInputs-1), nTimeConnect * 0.000001);
int64_t nTime3 = GetTimeMicros(); nTimeConnect += nTime3 - nTime2;
LogPrint("bench", " - Connect %u transactions: %.2fms (%.3fms/tx, %.3fms/txin) [%.2fs]\n", (unsigned)block.vtx.size(), 0.001 * (nTime3 - nTime2), 0.001 * (nTime3 - nTime2) / block.vtx.size(), nInputs <= 1 ? 0 : 0.001 * (nTime3 - nTime2) / (nInputs-1), nTimeConnect * 0.000001);
CAmount blockReward = nFees + GetBlockSubsidy(pindex->nHeight, chainparams.GetConsensus());
if (block.vtx[0].GetValueOut() > blockReward)
@ -1857,8 +1867,8 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
if (!control.Wait())
return state.DoS(100, false);
int64_t nTime2 = GetTimeMicros(); nTimeVerify += nTime2 - nTimeStart;
LogPrint("bench", " - Verify %u txins: %.2fms (%.3fms/txin) [%.2fs]\n", nInputs - 1, 0.001 * (nTime2 - nTimeStart), nInputs <= 1 ? 0 : 0.001 * (nTime2 - nTimeStart) / (nInputs-1), nTimeVerify * 0.000001);
int64_t nTime4 = GetTimeMicros(); nTimeVerify += nTime4 - nTime2;
LogPrint("bench", " - Verify %u txins: %.2fms (%.3fms/txin) [%.2fs]\n", nInputs - 1, 0.001 * (nTime4 - nTime2), nInputs <= 1 ? 0 : 0.001 * (nTime4 - nTime2) / (nInputs-1), nTimeVerify * 0.000001);
if (fJustCheck)
return true;
@ -1889,16 +1899,16 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
// add this block to the view's block chain
view.SetBestBlock(pindex->GetBlockHash());
int64_t nTime3 = GetTimeMicros(); nTimeIndex += nTime3 - nTime2;
LogPrint("bench", " - Index writing: %.2fms [%.2fs]\n", 0.001 * (nTime3 - nTime2), nTimeIndex * 0.000001);
int64_t nTime5 = GetTimeMicros(); nTimeIndex += nTime5 - nTime4;
LogPrint("bench", " - Index writing: %.2fms [%.2fs]\n", 0.001 * (nTime5 - nTime4), nTimeIndex * 0.000001);
// Watch for changes to the previous coinbase transaction.
static uint256 hashPrevBestCoinBase;
GetMainSignals().UpdatedTransaction(hashPrevBestCoinBase);
hashPrevBestCoinBase = block.vtx[0].GetHash();
int64_t nTime4 = GetTimeMicros(); nTimeCallbacks += nTime4 - nTime3;
LogPrint("bench", " - Callbacks: %.2fms [%.2fs]\n", 0.001 * (nTime4 - nTime3), nTimeCallbacks * 0.000001);
int64_t nTime6 = GetTimeMicros(); nTimeCallbacks += nTime6 - nTime5;
LogPrint("bench", " - Callbacks: %.2fms [%.2fs]\n", 0.001 * (nTime6 - nTime5), nTimeCallbacks * 0.000001);
return true;
}