Re: using linux instead of osf

Jim Nance (jlnance@avanticorp.com)
Tue, 19 Nov 1996 08:15:46 -0500 (EST)

> Does anybody have any experience on what card/controller should I get
> or any gotcha? And I presume this is going to generate a lot of mail traffic,
> is how stable is linux for axp as a number crunching platform compared to
> running osf.

The stability for somthing like number crunching should be excellent.
Linux/Alpha is stable anyway, and number crunching does not really stress
the kernel, so this should only make it more stable.

The speed of the code generated by the linux compilers compared to that
generated by the osf compilers may be a different matter. The osf compilers
generally produce faster code, and the osf math libraries used to be
better than the linux math libraries. The library issue may have cleared
up with the release of glibc, but I don't know that anyone has done any
tests.

My suggestion would be to take your program and run it on both platforms if
you can. This will give you an idea of the performance differences. If you
do this, please let me know what the results look like. I would hate to
be telling people that OSF compiled programs run faster if they don't.

Thanks,

Jim

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