Bench 31132 saltedtxid#183
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Adds build configuration, benchmarking CI workflows, Python dependencies, plotting tools, and documentation for benchcoin. Co-authored-by: David Gumberg <davidzgumberg@gmail.com> Co-authored-by: Lőrinc <pap.lorinc@gmail.com>
- Fix empty chart: use get_chart_data() instead of to_dict() so JS
filters can match config strings ("450", "32000") instead of objects
- Capture machine specs on self-hosted runner during build job and pass
via --machine-specs flag to nightly append, instead of detecting on
the ubuntu-latest publish runner
Run LogParser + PlotGenerator from bench/analyze.py during artifact
copying to produce static PNG charts from debug.log files. This
pre-generates the same 11 chart types that were previously rendered
client-side via JavaScript.
Changes to report.py:
- Import HAS_MATPLOTLIB, LogParser, PlotGenerator from bench.analyze
- _copy_network_artifacts: generate plots after each debug.log with
"{network}-{name}" prefix (e.g. "450-uninstrumented-pr")
- _copy_artifacts: generate plots for single-directory mode, including
when input_dir == output_dir
- _prepare_graphs_data: add "plots" key with relative paths to PNGs
- generate(): reorder to copy artifacts before HTML rendering so
_prepare_graphs_data can find the generated plot files
Plot generation is guarded by HAS_MATPLOTLIB for graceful fallback
when matplotlib is unavailable.
The pr-report.html template previously included debug-log-charts.html which fetched multi-hundred-MB debug.log.gz files in the browser, decompressed them with pako.js, parsed every line, and rendered 11 Plotly charts client-side. This made report pages unresponsive. Now that report.py pre-generates the charts as static PNGs: - pr-report.html: replace the debug-log-charts.html include with an img loop over graph.plots, using loading="lazy" - debug-log-charts.html: delete (344 lines of client-side JS) - base.html: remove pako.js and Plotly CDN scripts (both are independently included by pr-chart.html and nightly-chart.html via their own script tags) The debug.log download link is preserved.
Rewrite to document the TOML config + matrix entry workflow, removing stale references to the old two-commit comparison CLI, --datadir requirement, profiles, and BENCH_DATADIR env var.
Debug logs were consuming 388MB on gh-pages. They are already uploaded as CI artifacts with 90-day retention during benchmark runs. - Remove gzip compression and copying of debug logs in report generation - Remove debug log extraction in publish-results workflow - Replace per-graph "Download debug.log" links with a single link to the CI run page where artifacts can be downloaded - Keep matplotlib plot generation from debug logs (plots are still generated during report phase, just the raw logs aren't published)
The PR comment with result links was posted before GitHub Pages finished deploying, leading to broken links. Add a wait-for-pages job that polls for the pages-build-deployment run matching our exact gh-pages commit, then blocks until it completes.
This is a performance improvement, because we can skip checking on disk that the input does not exist. Co-authored-by: l0rinc <pap.lorinc@gmail.com>
Prepares for ProcessInput to be called from multiple threads. This flag acts as a memory fence around InputToFetch::coin. There is no lock guarding reads and writes of the coin field. Instead we use the flag's release/acquire semantics to ensure that when the main thread reads the coin it will have happened after a worker thread has finished writing it. Co-authored-by: l0rinc <pap.lorinc@gmail.com>
Prepares for ProcessInput to be called from multiple threads. ProcessInput reads from base. For ProcessInput to be safe to call in parallel on separate threads, it must not be mutated. Flush, Sync, and SetBackend can modify base, so we override these and StopFetching before calling the base class. Co-authored-by: l0rinc <pap.lorinc@gmail.com>
Add a configuration option for the number of worker threads used for parallel UTXO input fetching during block connection. Default is 4 threads, max is 15, 0 disables parallel fetching.
Prepares for ProcessInput to be called from multiple threads. Introduce a ThreadPool shared pointer to CoinsViewOverlay. A pool managed externally can be passed in the constructor. A global thread pool is used in fuzz harnesses since iterations can happen faster than the OS can create and tear down thread pools. This can cause a memory leak when fuzzing. Co-authored-by: l0rinc <pap.lorinc@gmail.com>
Leverages the thread pool to fetch inputs on multiple threads, while the overlay serves inputs on the main thread. This is a performance improvement over blocking the main thread to fetch inputs. Co-authored-by: l0rinc <pap.lorinc@gmail.com>
Co-authored-by: l0rinc <pap.lorinc@gmail.com>
Co-authored-by: l0rinc <pap.lorinc@gmail.com>
Co-authored-by: l0rinc <pap.lorinc@gmail.com> Co-authored-by: sedited <seb.kung@gmail.com>
Provides a worst-case upper bound on the number of inputs that can fit in a block so callers (e.g. parallel input prefetching) can pre-allocate stable storage and rule out reallocation of per-input state. Adapted from PR bitcoin#9938 (Lock-Free CheckQueue) which introduced the same constants under different names (MIN_TXIN_SERIALIZED_SIZE, MAX_TXINS_PER_BLOCK). Co-authored-by: Jeremy Rubin <jeremy.l.rubin@gmail.com> Made-with: Cursor
Variant of the previous commit that uses SaltedTxidHasher (SipHash-2-4) for bucket selection in m_txids instead of QuickHasher (sum-of-XORed-chunks). Equality is unchanged (full Txid) so semantics are identical; the only difference is hash strength vs hashing cost on the StartFetching hot path. Pushed for benchmarking against the QuickHasher variant. Made-with: Cursor
Benchmark ResultsComparison to nightly master (median of last 7 runs):
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