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@nospecialize slows down first time inference #64

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Roger-luo opened this issue Jun 7, 2020 · 1 comment

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Roger-luo commented Jun 7, 2020 •

edited

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I notice the use of @nospecialize slows down the first time inference when using IRTools functions (e.g Pipe, update!) a lot, not sure why

# without nospecialize
6.351286 seconds (10.75 M allocations: 572.988 MiB, 5.41% gc time)
# with nospecialize
7.406211 seconds (14.54 M allocations: 773.888 MiB, 5.02% gc time)

I suspect this is also causing other things (like Zygote) to be extremely slow for the first run.

The text was updated successfully, but these errors were encountered:

Contributor Author

Roger-luo commented Jun 7, 2020

You could reproduce this via this branch: QuantumBFS/YaoLang.jl#25

using

julia --project precompile.jl

in the project folder

ToucheSir mentioned this issue

Explore precompilation #95

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