On 2/5/07, Dean Michael Berris <[EMAIL PROTECTED]> wrote:
The 1st and 2nd most powerful in the top 500 supercomputers are
cluster of nodes running Linux. Why?
I'd guess because advances in the Linux Kernel features -- some of
which are not found in the BSD kernel (last I checked) --
Oh, when did you last check?
Why are the 1st and second most powerful in the top 500 supercomputers
are running linux?
IBM, SUNDIA, IBM again.. wow!
Commercial purposes, and NOT technical purposes. If apple produces
supercomputers and got included at the top 500, I bet they wouldnt use
linux, they will use their flagship MacOSX.
allows it to
take advantage of your hardware better whether it be an alpha, a
sparc, a 386 machine, an Intel Xeon / AMD Opteron 32/64-bit, or a
handheld. The O(1) batch scheduler, true lock-less SMP process
scheduling, pre-emptive kernel threading, and support for NUMA, and
then the very well improved virtual memory subsystem and IO subsystems
which will on benchmarks beat any traditional UNIX implementation.
But then I'm Not An Expert. :-P
--
Dean Michael C. Berris
http://cplusplus-soup.blogspot.com/
mikhailberis AT gmail DOT com
+63 928 7291459
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