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benchmarks/history: add v0.8.0 data point#243

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benchmarks/history: add v0.8.0 data point#243
iainmcgin wants to merge 1 commit into
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history/v0.8.0

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Adds runs/v0.8.0.json (measured at the tag, 32-core median, isolated+aligned methodology) and regenerates REPORT.md + the seven charts. The reproducibility branch is historical-benchmark/v0.8.0.

Notable movement: decode_view +17–21% on the string-heavy shapes (LogRecord, AnalyticsEvent) from the fast-utf8 default. PackedTile's v0.7.1 +47% step persists; the AnalyticsEvent v0.4.0 encode regression still holds. Everything else flat across nine releases.

Measured at the v0.8.0 tag (3e72fbb) with the same isolated, aligned
methodology as the rest of the series (toolchain 1.96.0, lto+cgu1,
64-byte block-aligned, 32-core median). Reproducibility branch:
historical-benchmark/v0.8.0.

The fast-utf8 default shows on decode_view for the string-heavy
shapes — LogRecord 1429->1670 (+17%), AnalyticsEvent 205->249 (+21%).
ApiResponse decode_view is flat under isolation; MediaFrame +3%.
PackedTile's v0.7.1 +47% step persists; the AnalyticsEvent v0.4.0
encode/compute_size regression still holds.
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@iainmcgin iainmcgin marked this pull request as ready for review June 26, 2026 00:22
@iainmcgin iainmcgin requested a review from rpb-ant June 26, 2026 00:22
@iainmcgin iainmcgin enabled auto-merge June 26, 2026 00:22
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