[Openmp-dev] Build is terribly slow on Arm

Itaru Kitayama via Openmp-dev openmp-dev at lists.llvm.org
Mon Jun 8 16:55:15 PDT 2020


Yes, that's right.

On Tue, Jun 9, 2020 at 8:53 AM Johannes Doerfert
<johannesdoerfert at gmail.com> wrote:
>
> [+David]
>
>
> You are talking about compile time, right?
>
> And the regression is caused by OpenMP (hence not present without
> -fopenmp), correct?
>
>
>
> On 6/8/20 6:12 PM, Itaru Kitayama via Openmp-dev wrote:
> > They were both Debug build, but it took 20-25 minutes to finish on Arm.
> >
> > On Tue, Jun 9, 2020 at 7:50 AM Itaru Kitayama <itaru.kitayama at gmail.com> wrote:
> >> My OpenMP offloading app builds within a minute or so on
> >> x86, but the same app takes longer than 5 minutes on Arm.
> >> How do I investigate this further, supplying -v and post
> >> the log here?
> > _______________________________________________
> > Openmp-dev mailing list
> > Openmp-dev at lists.llvm.org
> > https://lists.llvm.org/cgi-bin/mailman/listinfo/openmp-dev


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