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Re: Debian/Ubuntu/Redhat which is better for heavy duty computations?

I can backup Thomas that debian is typically a version behind BUT
rockstable like nothing else.

Ubuntu seems faster, but (unfortuntaley) their packages are not always
compatible with debian ones. They make their own package versions (same
like Suse/Novell, Redhat etc.). That might not be an issue for you, for me
that was a concern. F.e their Python version is not compatible with the
debian one.

Best regards

Nils Valentin
Tokyo / Japan

> On 7/1/05, Alexandru Cabuz <alexcabuz@gmail.com> wrote:
>> Hello,
>> I was wondering if anybody knows if there exist benchmarks done to
>> compare the performance for floating point computations (for example
>> lapack) on opteron with the Debian, Ubuntu and Redhat AMD 64 ports.
> I think the kernel does not usually matter for number crunching, but
> the compiler may make a world of a difference. Usually, Redhat has the
> most recent compiler plus some "special" patches. They do this in the
> hope to produce the fastest code. They don't always succeed, but they
> often have "an edge".
> Debian on the other hand focuses on stability, and the compiler is
> usually a version behind. That could mean that you lose out on the
> latest performance improvements.
> For a comparision it should be sufficient to compile a test program on
> each distribution, and copy the executable and the libraries onto a
> test system. Then you can compare them easily against each other.
> Thomas

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