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Measure the 2.6.0 performance pair at the last kernel change, the 2662nd - #2060
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The pair recorded on 2026-10-18 measured v2.5.0 beside the 2549th, which was then the last change to the kernel; 113 commits came after it. Both columns again, v2.5.0 (the 1957th) and 784f69d (the 2662nd), from one run of benchmark_key_commits.sh on one machine with nothing else on it. The v2.5.0 column reproduces the earlier run's to within 0.02% on every gated row. Since the 2549th, SimplifyHard fell 10.4% more (-52.4% over the release) and every other gated row moved less than 1%; Derivate is +5.65% over the release, +0.1% of it after the 2549th. Part of #746. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_012sonx8iAspMiwRwokT1Ura
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Part of #746.
The release checklist's performance pair, measured again at the last change to the kernel. The pair in #1941 measured
v2.5.0beside the 2549th (001b1caa), which was then the last kernel change; 113 commits came after it.Both columns from one run of
benchmark_key_commits.sh, on 2026-10-22, on one machine with nothing else on it:v2.5.0(ab7a8bd6, the 1957th) and784f69d5(the 2662nd).v2.5.0column reproduces the run of 2026-10-18 to within 0.02% on every gated row, andDerivateandSimplifyEasyto the byte.ParseHard−98.3%,SolveEasy−94.9%,SimplifyHard−52.4% andSolveHard−15.9%.SimplifyHardfell a further 10.4%, which is not attributed. Every other gated row moved less than 1%.Derivateis +5.65% over the release, +0.1% of it after the 2549th. It is still the five unbisected gate-baseline steps the section records.SolveEasy's six recorded steps predict −94.9%, and the measurement is −94.89%.The section replaces the one #1941 wrote, and keeps its account of
Derivate's steps with one row added. Documentation only.🤖 Generated with Claude Code
https://claude.ai/code/session_012sonx8iAspMiwRwokT1Ura