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Accelerate 2D advection-diffusion and add CPU/GPU performance benchmarks - #71

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certik wants to merge 18 commits into

BerkeleyLab:mainfrom

certik:perf/all-advection-performance-20261018

Draft

Accelerate 2D advection-diffusion and add CPU/GPU performance benchmarks#71
certik wants to merge 18 commits into
BerkeleyLab:mainfrom
certik:perf/all-advection-performance-20261018

Commits on Oct 18, 2026
- fix: scalar divergence assignment
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  0fbedee
- test: use portable scalar initializer callbacks
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  363f899
- perf: fold flip permutation into one assignment
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- perf: keep advection RK4 workspace resident on the GPU
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  4d3d917
- Add native Metal advection benchmark
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  197d18c
- Harden native Metal mode and working-set guards
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- docs: correct native advection provenance
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  45435de
- Require Metal opt-in and document paired native benchmarks
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- Reject unevolved native benchmark field comparisons
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  4d6a2a1
- fix: pass a procedure pointer to workspace reconstruction
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- fix: export workspace array initialization and raw output
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- docs: record legacy Fortran compiler limits
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- docs: clarify legacy macOS CI coverage
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  14da124
- Make advection benchmarks reproducible with managed FPM
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  70e73ee
- docs: record clean-main GPU performance measurements
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  b8d5c21
- Check advection workspace bounds and finite timesteps
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- Share strict field validation across advection tools
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  1e3319f
- Document input-guard checks and solve-timing limits
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  ef4fb6e

Commits

Commits on Oct 18, 2026