Use temporary files in lto

Thu Apr 28 17:08:54 PDT 2016

It is actually harder than I thought as I have never built ELF executables
with LTO on Windows. Did anyone do that before?

On Thu, Apr 28, 2016 at 4:49 PM, Rafael Espíndola <
rafael.espindola at gmail.com> wrote:

> Thanks!
>
> On 28 April 2016 at 19:35, Rui Ueyama <ruiu at google.com> wrote:
> > I can run this on Windows for you.
> >
> > On Thu, Apr 28, 2016 at 4:23 PM, Rafael Espíndola
> > <llvm-commits at lists.llvm.org> wrote:
> >>
> >> This is the idea we chatted today to try to avoid mallocs os windows.
> >> I was surprised to find this a small speedup up on linux (with /tmp in
> >> tmpfs), so I wonder if we are doing something funny in SmallVector.
> >>
> >> Linking llvm-as I got
> >>
> >> master: 29.774786873 seconds
> >> patch 29.752283093 seconds
> >>
> >> Could one of you benchmark this on windows? If it is a performance win
> >> there too I will clean the patch up and send for proper review.
> >>
> >> Cheers,
> >> Rafael
> >>
> >> _______________________________________________
> >> llvm-commits mailing list
> >> llvm-commits at lists.llvm.org
> >> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-commits
> >>
> >
>
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