[llvm-dev] LLD status update and performance chart

[Hal Finkel via llvm-dev]

----- Original Message -----
> From: "Rafael Avila de Espindola via llvm-dev" <llvm-dev at lists.llvm.org>
> To: "Mehdi Amini" <mehdi.amini at apple.com>
> Cc: "llvm-dev" <llvm-dev at lists.llvm.org>
> Sent: Tuesday, December 13, 2016 11:40:43 AM
> Subject: Re: [llvm-dev] LLD status update and performance chart
> 
> Mehdi Amini <mehdi.amini at apple.com> writes:
> 
> >> On Dec 13, 2016, at 5:55 AM, Rafael Avila de Espindola via
> >> llvm-dev <llvm-dev at lists.llvm.org> wrote:
> >> 
> >> Sean Silva via llvm-dev <llvm-dev at lists.llvm.org> writes:
> >>> This will also greatly facilitate certain measurements I'd like
> >>> to do
> >>> w.r.t. different strategies for avoiding memory costs for input
> >>> files (esp.
> >>> minor faults and dTLB costs). I've almost gotten to the point of
> >>> implementing this just to do those measurements.
> >> 
> >> If you do please keep it local. The bare minimum we have of
> >> library
> >> support is already disproportionately painful and prevents easier
> >> sharing
> >> with COFF. We should really not add more until the linker is done.
> >
> > This is so much in contrast with the LLVM development, I find it
> > quite hard to see this as an acceptable position on llvm-dev.
> 
> Why? What is wrong with setting priorities and observing that what
> library support we already have has had a disproportional cost?

Can you please elaborate on this disproportional cost? I think it is really important to be specific about these kinds of things for the benefit of all potential contributors.

Thanks again,
Hal

> 
> Cheers,
> Rafael
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-- 
Hal Finkel
Lead, Compiler Technology and Programming Languages
Leadership Computing Facility
Argonne National Laboratory