[Bioc-devel] Build error for CaDrA package on kunpeng2 Linux machine

[Martin Grigorov]

Hi,

On Wed, Oct 18, 2023 at 10:48 PM Hervé Pagès <hpages.on.github using gmail.com>
wrote:

> Hi Reina,
>
> Note that CaDrA results on Mac ARM64 are also affected:
> https://bioconductor.org/checkResults/devel/bioc-mac-arm64-LATEST/CaDrA/
>
> See Martin Grigorov's blog post here
> https://blog.bioconductor.org/posts/2023-06-09-debug-linux-arm64-on-docker/
> for how to debug Linux ARM64 related issues on a x86_64 host.
>
> Note that different architectures use slightly different floating point
> arithmetic with slightly different precision. This can affect the
> results of your numerical calculations. The degree to which they are
> affected will vary greatly depending on what calculations you perform
> and how you perform them. So it's important to implement things in a way
> that tries to minimize the impact of these variations as much as possible.
>

See https://go.dev/ref/spec#Floating_point_operators for some further
explanation of the problem and possible fix by explicit rounding (in
Golang, but I guess something similar happens in R)


>
> Best,
>
> H.
>
>
> On 10/18/23 10:46, Chau, Reina wrote:
> > Hi Bioconductor Core Team,
> >
> > I’m the maintainer of CaDrA package, and recently, I notice that my
> package built successfully for all platforms except on Kunpeng2 Linux
> machine (seehttps://bioconductor.org/checkResults/devel/bioc-LATEST/CaDrA/
> andhttps://
> bioconductor.org/checkResults/devel/bioc-LATEST/CaDrA/kunpeng2-checksrc.html
> )
> >
> > I did try to figure out what is causing the different results using this
> particular platform compare with others but with no resolves.
> >
> > Hope you can give me some guidance or feedback of why the build is
> failing for this particular case.
> >
> > Thanks so much!
> >
> > Best,
> >
> > Reina C.
> >
> >       [[alternative HTML version deleted]]
> >
> > _______________________________________________
> > Bioc-devel using r-project.org  mailing list
> > https://stat.ethz.ch/mailman/listinfo/bioc-devel
>
> --
> Hervé Pagès
>
> Bioconductor Core Team
> hpages.on.github using gmail.com
>
>         [[alternative HTML version deleted]]
>
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>

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