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Always do dt calculations in double - #219

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atmyers wants to merge 3 commits into
AMReX-Fluids:developmentfrom
atmyers:double_dt
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atmyers wants to merge 3 commits into
AMReX-Fluids:developmentfrom
atmyers:double_dt

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@atmyers

@atmyers atmyers commented Sep 15, 2026

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This facilitates single / double precision comparisons. Even with fixed_dt, the accumulated runtimes can diverge due to roundoff.

@atmyers
atmyers requested a review from asalmgren September 15, 2026 21:20
Comment thread test_3d/benchmark.couette Outdated
Comment thread test_3d/benchmark.couette Outdated
@atmyers atmyers closed this Sep 15, 2026
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