add loop unrolling to linpack#1865
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zingale merged 6 commits intoAMReX-Astro:developmentfrom Oct 27, 2025
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unrolling by 4 seems to be a much better option. On a test_react run with ase (using 32^3 boxes), this gets 12% faster on groot/CUDA than development |
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I tested this on a 2D Castro |
zhichen3
approved these changes
Oct 27, 2025
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This allows the amount of unrolling to be set as NET_LOOP_UNROLL_LEN