[R-pkg-devel] Winbuilder 'experimental' toolchain 4-5x slower than all other architectures

[Gábor Csárdi]

Can you please show some numbers?

Thanks,
Gabor

On Wed, Feb 5, 2020 at 2:40 PM Brian G. Peterson <brian using braverock.com> wrote:
>
> We've noticed over the past week that Winbuilder/R-Hub's 'experimental'
> Rtools4 toolchain images for Windows are approximately 4-5x slower than
> all other containers to build and check several packages we maintain.
>
> This affects everything, including example timings, where this
> architecture is the only architecture that shows any example run-times
> over 5 seconds. (including Windows under the older toolchain).
>
> Does CRAN expect us to optimize our code for the clearly non-performant
> 'experimental' Windows toolchain?
>
> I'd like to send a new version of our package PerformanceAnalytics to
> CRAN, but the Windows experimental toolchain is preventing a 100% clean
> set of checks.
>
>
> Regards,
>
> Brian
>
> --
> Brian G. Peterson
> ph: +1.773.459.4973
> im: bgpbraverock
>
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