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Benchmarking
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============
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Bitcoin Core has an internal benchmarking framework, with benchmarks
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for cryptographic algorithms (e.g. SHA1, SHA256, SHA512, RIPEMD160), as well as the rolling bloom filter.
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Running
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---------------------
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After compiling bitcoin-core, the benchmarks can be run with:
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src/bench/bench_bitcoin
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The output will look similar to:
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```
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# Benchmark, evals, iterations, total, min, max, median
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Base58CheckEncode, 5, 320000, 120.772, 7.49351e-05, 7.59374e-05, 7.54759e-05
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Base58Decode, 5, 800000, 122.833, 3.0467e-05, 3.11732e-05, 3.06304e-05
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Base58Encode, 5, 470000, 137.094, 5.81061e-05, 5.85109e-05, 5.84462e-05
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BenchLockedPool, 5, 530, 34.2023, 0.0128247, 0.0129613, 0.0129026
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CCheckQueueSpeedPrevectorJob, 5, 1400, 26.1762, 0.00365048, 0.00388629, 0.00367108
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CCoinsCaching, 5, 170000, 48.1074, 5.60229e-05, 5.72316e-05, 5.66214e-05
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CoinSelection, 5, 650, 34.6426, 0.0105801, 0.0107699, 0.010664
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DeserializeAndCheckBlockTest, 5, 160, 39.2084, 0.0483662, 0.0494199, 0.0490138
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DeserializeBlockTest, 5, 130, 23.8129, 0.0357731, 0.0373763, 0.0365858
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FastRandom_1bit, 5, 440000000, 38.1609, 1.72974e-08, 1.73882e-08, 1.73478e-08
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FastRandom_32bit, 5, 110000000, 72.8237, 1.29992e-07, 1.37014e-07, 1.30115e-07
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MempoolEviction, 5, 41000, 89.8883, 0.000432748, 0.000446857, 0.000438483
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PrevectorClear, 5, 5600, 47.9229, 0.00169952, 0.0017455, 0.00170315
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PrevectorDestructor, 5, 5700, 44.5498, 0.0015561, 0.00156977, 0.00156469
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RIPEMD160, 5, 440, 135.988, 0.0615496, 0.062268, 0.0617779
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RollingBloom, 5, 1500000, 36.5109, 4.80961e-06, 4.97463e-06, 4.85811e-06
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SHA1, 5, 570, 51.808, 0.018065, 0.0182623, 0.0181865
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SHA256, 5, 340, 8.31841, 0.00483231, 0.00499803, 0.00485486
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SHA256_32b, 5, 4700000, 10.469, 4.43441e-07, 4.47611e-07, 4.45223e-07
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SHA512, 5, 330, 33.3408, 0.02017, 0.0202554, 0.0201921
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SipHash_32b, 5, 40000000, 38.7088, 1.91103e-07, 1.96998e-07, 1.93792e-07
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Sleep100ms, 5, 10, 5.01062, 0.100131, 0.100368, 0.100147
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Trig, 5, 12000000, 5.95494, 9.78115e-08, 1.04354e-07, 9.80682e-08
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VerifyScriptBench, 5, 6300, 9.02493, 0.000285566, 0.000288433, 0.000286175
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```
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Help
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---------------------
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`-?` will print a list of options and exit:
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src/bench/bench_bitcoin -?
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Notes
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---------------------
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More benchmarks are needed for, in no particular order:
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- Script Validation
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- CCoinDBView caching
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- Coins database
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- Memory pool
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- Wallet coin selection
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