77 lines
4.3 KiB
Markdown
77 lines
4.3 KiB
Markdown
# Benchmark report: v1.0.0 against head 045ef28
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One live comparison, regenerated by `just bench-report` and never
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accumulated: the newest release tag against the working tree, taken in
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one interleaved session on an idle machine. Re-run it before a release
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and commit the file the run writes.
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## Environment
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- CPU: AMD RYZEN AI MAX+ PRO 395 w/ Radeon 8060S, 32 logical cores
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- Memory: 118 GiB
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- OS: Linux 7.2.5-200.fc44.x86_64
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- Go: go version go1.27.1 linux/amd64
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- Build: the portable build, no pinned `GOAMD64` level, no `GOEXPERIMENT`
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## Revisions
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- Release: `v1.0.0`
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- Head: `045ef28`
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- The set: the benchmarks `bench_set` names that both revisions carry;
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a name either side lacks is left out, never counted as a result.
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## Method
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Four interleaved rounds, the side order alternating between rounds, two
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counts per side per round, `-benchtime=0.5s` with `-benchmem`,
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medians over the eight samples a side collects. A factor at or above
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1.05 is faster, at or below 0.95 slower, anything between noise. Time
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of the release divides time of the head, so above one means the head is
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faster.
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## Results
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| Benchmark | v1.0.0 | head 045ef28 | factor | B/op release → head | allocs/op release → head |
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|---|---|---|---|---|---|
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| `KernelTransposeTiled256` | 87.58 µs | 72.89 µs | 1.20x | 524752 → 524752 | 4 → 4 |
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| `Prod2D` | 49.68 µs | 42.41 µs | 1.17x | 5416 → 5416 | 37 → 37 |
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| `MatMulSmall64` | 43.30 µs | 41.00 µs | 1.06x | 35040 → 35040 | 69 → 69 |
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| `Add1M` | 366.14 µs | 349.53 µs | 1.05x | 8005866 → 8005863 | 69 → 69 |
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| `CumSum2D` | 232.91 µs | 222.16 µs | 1.05x | 2098495 → 2098498 | 37 → 37 |
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| `FFT4096` | 26.88 µs | 25.52 µs | 1.05x | 65899 → 65899 | 3 → 3 |
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| `MatVec` | 29.53 µs | 28.21 µs | 1.05x | 5416 → 5416 | 37 → 37 |
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| `IntegrateHeat2D` | 936.53 µs | 909.54 µs | 1.03x | 92464 → 92464 | 159 → 159 |
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| `MinimiseLBFGSBounded` | 9.02 µs | 8.76 µs | 1.03x | 19016 → 19016 | 53 → 53 |
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| `MatMul1024` | 26.00 ms | 25.46 ms | 1.02x | 8392200 → 8391652 | 70 → 69 |
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| `MatMulOdd130` | 162.07 µs | 158.28 µs | 1.02x | 141205 → 141205 | 57 → 57 |
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| `MeanAxis2D` | 25.85 µs | 25.44 µs | 1.02x | 5464 → 5464 | 37 → 37 |
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| `Median` | 2.64 ms | 2.60 ms | 1.02x | 401414 → 401410 | 1 → 1 |
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| `Dot` | 84.49 µs | 83.68 µs | 1.01x | 1171 → 1174 | 36 → 36 |
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| `EinsumBatchedMatMul` | 314.97 µs | 312.57 µs | 1.01x | 528746 → 528745 | 78 → 78 |
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| `FFT2_512x512` | 959.31 µs | 948.74 µs | 1.01x | 4461272 → 4461249 | 168 → 168 |
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| `IntegrateRK4` | 887.97 µs | 880.62 µs | 1.01x | 3906104 → 3906102 | 24015 → 24015 |
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| `SavitzkyGolay` | 331.05 µs | 328.79 µs | 1.01x | 2099428 → 2099429 | 69 → 69 |
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| `ArgSort1M` | 10.03 ms | 10.07 ms | 1.00x | 42213251 → 42213264 | 266 → 266 |
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| `Conv1D` | 166.71 µs | 167.04 µs | 1.00x | 281028 → 280800 | 106 → 106 |
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| `CovarianceMatrix` | 101.98 µs | 102.44 µs | 1.00x | 136176 → 136176 | 23 → 23 |
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| `IntegrateBackwardEuler` | 89.86 µs | 89.96 µs | 1.00x | 352929 → 352929 | 2806 → 2806 |
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| `KernelDensity` | 241.38 µs | 241.85 µs | 1.00x | 4467 → 4462 | 69 → 69 |
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| `LogisticRegression` | 235.50 µs | 236.46 µs | 1.00x | 10656 → 10656 | 61 → 61 |
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| `Exp100k` | 182.19 µs | 183.11 µs | 0.99x | 805029 → 805029 | 69 → 69 |
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| `MatMulTall512x64x2048` | 2.09 ms | 2.10 ms | 0.99x | 8390997 → 8390963 | 69 → 69 |
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| `SumAxis3DDim1` | 2.60 µs | 2.62 µs | 0.99x | 2768 → 2768 | 4 → 4 |
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| `WelchPSD` | 197.78 µs | 198.78 µs | 0.99x | 28436 → 28603 | 75 → 75 |
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| `Norm2D` | 54.87 µs | 55.99 µs | 0.98x | 5432 → 5432 | 37 → 37 |
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| `SumAxis2D` | 26.27 µs | 26.80 µs | 0.98x | 5473 → 5473 | 37 → 37 |
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| `CWTMorlet` | 768.00 µs | 793.52 µs | 0.97x | 6427142 → 6427651 | 103 → 103 |
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| `LinearRegression` | 63.01 µs | 64.84 µs | 0.97x | 36152 → 36152 | 58 → 58 |
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| `MinimiseDifferentialEvolution` | 164.09 µs | 170.09 µs | 0.96x | 498250 → 498250 | 3845 → 3845 |
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| `SVD128` | 17.36 ms | 18.08 ms | 0.96x | 2182742 → 2181705 | 5070 → 5072 |
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| `BackwardTwoLayer` | 82.50 µs | 89.10 µs | 0.93x | 104759 → 104757 | 65 → 65 |
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| `Cholesky256` | 736.43 µs | 818.51 µs | 0.90x | 1583248 → 1583351 | 342 → 342 |
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| `Solve256` | 1.79 ms | 2.25 ms | 0.80x | 537635 → 537639 | 10 → 10 |
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## Summary
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4 of 37 benchmarks sit above the noise band (faster), 3 below it (slower), 30 inside it.
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