I found a way to avoid recompiling when restarting the kernel. #336

baiguoname · 2023-10-18T04:55:04Z

baiguoname
Oct 18, 2023

Here is the process:

I install evcxr_jupyter kernel.
The init.evcxr has the following commands:

:sccache 1
:allow_static_linking 1
:linker mold

I remove all the commands from init.evcxr and restart the kernel
Then after that, :sccache is still true(and linker is still mold), but each time I restart the kernel, there is no recompiling.
I thought this discovery is import for someone like me needing to restart the kernel frequently, it saves a lot of time.

davidlattimore · 2023-10-18T09:06:25Z

davidlattimore
Oct 18, 2023
Maintainer

Thanks. :allow_static_linking 1 is a new setting that restores the old behaviour. It's not yet released. I hadn't realised that using dynamic linking was causing sccache to not cache. After looking into it, it seems that sccache refuses to cache anything other than rlibs. Apparently this is because other kinds of libraries are linked using the system linker. I'm not sure why that prevents caching, but apparently it does.

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davidlattimore · 2023-10-20T23:02:29Z

davidlattimore
Oct 20, 2023
Maintainer

I added a caching mechanism directly within evcxr itself. You can now use :cache 500 to enable a 500MB cache (on Linux this is in ~/.cache/evcxr). Unlike using sccache, this cache works even when using dynamic linking (:allow_static_linking 0).

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I found a way to avoid recompiling when restarting the kernel. #336

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I found a way to avoid recompiling when restarting the kernel. #336

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baiguoname Oct 18, 2023

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davidlattimore Oct 18, 2023 Maintainer

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baiguoname
Oct 18, 2023

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Oct 18, 2023
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