Record v2.2.0 benchmark results#305
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The benchmarks project now defaults to the published 2.2.0 package, and benchmarks.md gains the v2.2.0 comparative and index tables: the read path allocates 355.86 KB where 2.1.0 allocated 704.41 KB (now 0.84x NDbf, near Sylvan's 336.81 KB), and the full-scan query baselines drop 17-26% in time and 72-93% in allocations from column-subset parsing. The v1.1.0 section's reproduce command is corrected to the environment variable form (-p: never reached BenchmarkDotNet's generated child build) and its table is replaced with the run re-verified against a correctly pinned 1.1.0 package - within noise of the previous numbers, as the read path was genuinely unchanged between 1.1.0 and 2.1.0. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Post-release bookkeeping for v2.2.0:
// DbfDataReader under benchmark: 2.2.0+e5fda7fby the new version tripwire:count(*) filteredfull scan: 23,583 µs / 17,981 KB → 17,807 µs / 1,184 KB).-p:DbfDataReaderVersion, which BenchmarkDotNet's generated child build never inherited (fixed in Parse only the columns a query needs (#296) #304); the command now uses the environment-variable form and the table holds the run re-verified against a correctly pinned 1.1.0 package — within noise of the previously recorded numbers, since the read path was genuinely unchanged between 1.1.0 and 2.1.0.🤖 Generated with Claude Code