[lld] r316731 - De-template EhFrameSection. NFC.

[Galina Kistanova via llvm-commits]

> Galina, which machines do we still have available for setting up bots?
> For this particular case it is critical that the machines be real
> hardware (no vm) and not in use for anything else. Having many cores is
> not important for now since we will be benchmarking single threaded
> performance. Lots (32 GB) of ram would be nice, but not critical.

I have vacant machine, will set up it for the bot.

Thanks

Galina

On Fri, Nov 3, 2017 at 8:29 AM, Rafael Avila de Espindola <
rafael.espindola at gmail.com> wrote:

> Rui Ueyama <ruiu at google.com> writes:
>
> > I did not benchmark these particular patches as it seems neutral to
> > performance to me. Do you have any concerns? I think as we improved
> > performance in the last few months, we actually have some room to aim for
> > readability and simplicity even if it slows down the linker a little bit.
>
> I have no problem with an informed decision about performance versus
> readability.
>
> The key is in the informed part. It is at least non obvious that
> checking endianess for so many reads and writes will not have an impact.
>
> I benchmarked this particular patch and it was fine, but we recently
> regressed on linking both the linux kernel and firefox/scylla. Those
> regressions were also not completely obvious from reading the patch.
>
> For this reason I think setting up performance tracking bots should be a
> priority for lld.
>
> Galina, which machines do we still have available for setting up bots?
> For this particular case it is critical that the machines be real
> hardware (no vm) and not in use for anything else. Having many cores is
> not important for now since we will be benchmarking single threaded
> performance. Lots (32 GB) of ram would be nice, but not critical.
>
> Cheers,
> Rafael
>
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