perf: default integer arrays to int32 for ~25% memory reduction#566
Merged
CodSpeed HQ / CodSpeed Performance Analysis
succeeded
Jun 30, 2026
Performance Gate Passed
⚡ 53 improved benchmarks
✅ 85 untouched benchmarks
⏩ 138 skipped benchmarks1
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ⚡ | Memory | test_to_lp[storage-n=250] |
1,319.2 KB | 663 KB | +98.96% |
| ⚡ | Memory | test_to_lp[storage-n=10] |
56.5 KB | 30.3 KB | +86.29% |
| ⚡ | Memory | test_to_lp[basic-n=250] |
2 MB | 1.3 MB | +56.84% |
| ⚡ | Memory | test_to_lp[kvl_cycles-severity=100] |
38.5 MB | 25.6 MB | +49.99% |
| ⚡ | Memory | test_to_lp[sparse_network-n=250] |
34.5 MB | 23 MB | +49.99% |
| ⚡ | Memory | test_to_lp[rolling-severity=100] |
45.8 MB | 30.5 MB | +49.99% |
| ⚡ | Memory | test_to_lp[kvl_cycles-severity=50] |
38.5 MB | 25.6 MB | +49.99% |
| ⚡ | Memory | test_to_lp[nodal_balance-severity=100] |
17.9 MB | 11.9 MB | +49.98% |
| ⚡ | Memory | test_to_lp[cumsum-severity=100] |
29.3 MB | 19.5 MB | +49.98% |
| ⚡ | Memory | test_to_lp[merge_balance-severity=100] |
17.6 MB | 11.7 MB | +49.98% |
| ⚡ | Memory | test_to_lp[nodal_balance-severity=50] |
9.2 MB | 6.1 MB | +49.97% |
| ⚡ | Memory | test_to_lp[merge_balance-severity=50] |
9 MB | 6 MB | +49.97% |
| ⚡ | Memory | test_to_lp[rolling-severity=50] |
45.9 MB | 30.6 MB | +49.93% |
| ⚡ | Memory | test_to_lp[kvl_cycles-severity=0] |
38.5 MB | 25.7 MB | +49.92% |
| ⚡ | Memory | test_to_lp[nodal_balance-severity=0] |
385.3 KB | 258.8 KB | +48.91% |
| ⚡ | Memory | test_to_lp[masked-n=100] |
238.4 KB | 160.3 KB | +48.74% |
| ⚡ | Memory | test_to_lp[milp-n=50] |
63.5 KB | 43.9 KB | +44.45% |
| ⚡ | Memory | test_to_lp[sparse_network-n=10] |
29.8 KB | 21.2 KB | +40.5% |
| ⚡ | Memory | test_to_lp[merge_balance-severity=0] |
367.8 KB | 262.8 KB | +39.95% |
| ⚡ | Memory | test_to_lp[sos-n=1000] |
90.7 KB | 67.5 KB | +34.3% |
| ... | ... | ... | ... | ... | ... |
ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.
Tip
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Comparing fluxopt:perf/int32 (f7bad31) with master (fe798b1)
Footnotes
-
138 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. ↩
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