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Benchmarking

Bitcoin Core has an internal benchmarking framework, with benchmarks for cryptographic algorithms (e.g. SHA1, SHA256, SHA512, RIPEMD160, Poly1305, ChaCha20), rolling bloom filter, coins selection, thread queue, wallet balance.

Running

For benchmarks purposes you only need to compile bitcoin_bench. Beware of configuring without --enable-debug as this would impact benchmarking by unlatching log printers and lock analysis.

make -C src bitcoin_bench

After compiling bitcoin-core, the benchmarks can be run with:

src/bench/bench_bitcoin

The output will look similar to:

# Benchmark, evals, iterations, total, min, max, median
AssembleBlock, 5, 700, 1.79954, 0.000510913, 0.000517018, 0.000514497
...

Help

src/bench/bench_bitcoin --help

To print options like scaling factor or per-benchmark filter.

Notes

More benchmarks are needed for, in no particular order:

Script Validation
Coins database
Memory pool
Cuckoo Cache
P2P throughput

Going Further

To monitor Bitcoin Core performance more in depth (like reindex or IBD): https://github.com/chaincodelabs/bitcoinperf

To generate Flame Graphs for Bitcoin Core: https://github.com/eklitzke/bitcoin/blob/flamegraphs/doc/flamegraphs.md

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