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2.5.65 On 32-way NUMA-Q with Preempt Enabled

Posted by timothy on from the linux-kernel-2.5.65-that-is dept.

_iris writes "I think the subject speaks for itself. Here is the link to the story on KernelTrap." In case you have a spare 32-processor machine munching grass in the back 40.

8 of 131 comments (clear)

  1. Re:Now where'd I put that 32 processer machine ?? by ergo98 · · Score: 5, Interesting

    Microsoft just set the #2 TPC-C result in the non-clustered category using Windows Server 2003 and a 32-way Itanium 2 machine. They did this, of course, because Oracle publicly derides clustered results as not counting (and really setting up horizontally partitioned views across a huge federation of serves is not the easiest thing, and it's far from transparent for the database developer: You have to specifically design around it), so now there's a SQL Server 2000 result higher than any Oracle result.

    So there you have it: A 32-way machine that's actually useful (when available on 2003-06-30).

  2. what does that mean. by leuk_he · · Score: 4, Interesting

    NUMA, ok, that i understand.

    (Instead of one big shared memory pool it uses processors that each have their own pool, and can access other memory with a timing penalty)

    but what does "-preempt " have to do with this. what does this option do? Int unix always preemtive?

  3. Re:Stop stealing ideas from SCO! by Anonymous Coward · · Score: 1, Interesting

    Why was this modded up as funny? SCO did actually invent SMP on x86, which has lately been some touchy subject on Mandrake forums. The final decision was the copyrighted SCO code will be removed from both the Linux kernel and drakconf in the next release.

  4. Re:Now where'd I put that 32 processer machine ?? by gazbo · · Score: 2, Interesting

    Interesting that the 3 MS solutions (SQL server on Windows Server 2003) all also offer the best price/performance ratio too. Just something to think about.

  5. *sigh* by Anonymous Coward · · Score: 2, Interesting

    Would you have all been as interested in this story if you'd known:

    • It's been on KernelTrap for a *couple days* now
    • The machine in question is about 5 years old
    • Linux already has been booting on large-number-of-CPU machines for awhile. This story is about the CONFIG_PREEMPT subsubfeature.
    • This has very little to do with Linux's scalability. If I booted Linux 2.5.x on a bazillion CPU monster tomorrow, it wouldn't be a bazillion times faster than my single-CPU desktop system.

    *sigh*

  6. Kernel 2.6 release by Anonymous Coward · · Score: 2, Interesting

    when?

  7. Re:Now where'd I put that 32 processer machine ?? by khuber · · Score: 2, Interesting
    Interesting that the 3 MS solutions (SQL server on Windows Server 2003) all also offer the best price/performance ratio too

    McDonalds makes hamburgers with the best price/performance. Just something to think about.

  8. ./ server by mad27 · · Score: 2, Interesting

    Would be nice if /. mirrored the stories it links to. This way only news >1 day old is accessible :(