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How to accelerate make prog run time #789

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Siris-Li opened this issue Mar 19, 2023 · 1 comment
Open

How to accelerate make prog run time #789

Siris-Li opened this issue Mar 19, 2023 · 1 comment

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@Siris-Li
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When first run make prog, it will take a long time (about 6~7 mins) to finish synthesis, place&route, etc. I find out that during this process, only one CPU core is used, leaving other 7 cores idle. My question is can we add some parameters to let all CPUs run during make prog?
My working environment is VM Ubuntu 18.04, 10G RAM, 8 CPU cores.

@tcal-x
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tcal-x commented Mar 21, 2023

Hi @limingxuan-pku , unfortunately there is no easy way to parallelize that I know of. To the best of my knowledge, the F4PGA / Symbiflow tools are all single-threaded. @mithro , is that correct?

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