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Use FastBroadcast for multithreaded broadcasting? #337

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glwagner opened this issue Nov 18, 2022 · 0 comments · May be fixed by #338
Open

Use FastBroadcast for multithreaded broadcasting? #337

glwagner opened this issue Nov 18, 2022 · 0 comments · May be fixed by #338
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@glwagner
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For some time we've lamented that while FFTW is multithreaded, broadcasting operations such as

FourierFlows.jl/src/timesteppers.jl

Line 109 in e059ba9

@. sol += clock.dt * (equation.L * sol + ts.N)

are not.

FastBroadcast.jl provides an answer:

https://github.com/YingboMa/FastBroadcast.jl

It seems that even without multithreading, it can speed things up.
@navidcy navidcy linked a pull request Nov 20, 2022 that will close this issue
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Use FastBroadcast.jl to speedup broadcasting FourierFlows/FourierFlows.jl
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@navidcy @glwagner