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