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Zstd: append values in bulk and harden the frame metadata reads - #9099

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robert3005 merged 5 commits into
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rk/zstd-append-to-builder
Aug 5, 2026
Merged

Zstd: append values in bulk and harden the frame metadata reads#9099
robert3005 merged 5 commits into
developfrom
rk/zstd-append-to-builder

DCO Remediation Commit for Robert Kruszewski <github@robertk.io>

3d42169
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CodSpeed HQ / CodSpeed Performance Analysis failed Aug 5, 2026 in 0s

1 benchmark regressed

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

⚡ 1 improved benchmark
❌ 1 regressed benchmark
✅ 1871 untouched benchmarks

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
❌ WallTime cuda/bitpacked_u8/unpack/3bw[100M] 299.4 µs 349.5 µs -14.35%
⚡ Simulation fsl_large 253.2 µs 211.2 µs +19.92%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.

Comparing rk/zstd-append-to-builder (3d42169) with develop (3d0c124)1

Open in CodSpeed

Footnotes

  1. No successful run was found on develop (69661e0) during the generation of this report, so 3d0c124 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

View more details on CodSpeed HQ