* Re: [gentoo-user] Changing compilers
@ 2012-03-19 5:31 99% ` Matthew Finkel
0 siblings, 0 replies; 1+ results
From: Matthew Finkel @ 2012-03-19 5:31 UTC (permalink / raw
To: gentoo-user
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On Mon, Mar 19, 2012 at 1:26 AM, Andrew Lowe <agl@wht.com.au> wrote:
> Hi all,
> Has anyone played around with the various "better known" compilers on
> Gentoo? By "better known", I'm referring to gcc, Intel, llvm, pathscale. My
> situation is that I've just started my PhD which requires me to do Finite
> Element Analysis, FEA, and Computational Fluid Dynamics, CFD, and I want to
> find the "best" compiler for the job. Before anyone says "Why bother, XXX
> compiler is only 1 - 2% faster than gcc", in the context of the work I'm
> doing this 1 - 2% IS important.
>
> What I'm looking for is any feedback people may have on ability to compile
> the Gentoo environment, the ability to change compilers easily, gcc-config
> or flags in make.conf, as to whether the compiler/linker can use the
> libraries as compiled by gcc on a "standard" gentoo install and so on.
> Obviously there is much web trawling to be done to find what other people
> are saying as well.
>
> Any thoughts, greatly appreciated,
> Andrew Lowe
>
>
With regard to speed, are you looking for a faster compile time or higher
optimization of the compiled code such that the run time is faster?
--
Matthew Finkel
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