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exp(duck): the LP file rendered in SQL is the same file, and a worse one - #655

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exp(duck): the LP file rendered in SQL is the same file, and a worse one#655
FBumann wants to merge 1 commit into
feat/duckdb-enginefrom
exp/duck-writes-the-lp-file

exp(duck): the LP file rendered in SQL is the same file, and a worse one

dfa3be5
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CodSpeed / CodSpeed Performance Analysis completed Aug 13, 2026 in 0s

Performance Regression: -30.35%

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

⚡ 4 improved benchmarks
❌ 10 regressed benchmarks
⏩ 38 skipped benchmarks1

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
❌ Memory test_emit[sector-s-lpspec-highs] 22.1 MB 50.3 MB -56.13%
❌ Memory test_emit[sector-s-lpspec-lp] 22.8 MB 51 MB -55.37%
❌ Memory test_emit[nodal-s-lpspec-lp] 24.1 MB 52.4 MB -53.93%
❌ Memory test_emit[nodal-s-lpspec-highs] 24.2 MB 52.5 MB -53.82%
❌ Memory test_emit[profiled-s-lpspec-highs] 40.3 MB 77.4 MB -47.93%
❌ Memory test_emit[dispatch-s-lpspec-highs] 32.6 MB 60.1 MB -45.79%
❌ Memory test_emit[profiled-s-lpspec-lp] 43.3 MB 70.6 MB -38.7%
❌ Memory test_emit[dispatch-s-lpspec-lp] 54.7 MB 82.3 MB -33.49%
❌ Memory test_emit[transport-s-lpspec-lp] 53.6 MB 76.3 MB -29.78%
❌ Memory test_emit[transport-s-lpspec-highs] 50.4 MB 70.9 MB -28.92%
⚡ Memory test_emit[storage-s-lpspec-lp] 107.5 MB 81.1 MB +32.49%
⚡ Memory test_emit[fleet-s-lpspec-lp] 220.9 MB 166.9 MB +32.37%
⚡ Memory test_emit[fleet-s-lpspec-highs] 223.4 MB 178 MB +25.52%
⚡ Memory test_emit[storage-s-lpspec-highs] 105.2 MB 87.5 MB +20.12%

Tip

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

Comparing exp/duck-writes-the-lp-file (dfa3be5) with feat/duckdb-engine (97a5ab7)2

Open in CodSpeed

Footnotes

  1. 38 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

  2. No successful run was found on feat/duckdb-engine (10b639a) during the generation of this report, so aa5f10d 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