Re: 23 second kernel compile (aka which patches help scalibility on NUMA)

From: Denis Vlasenko (vda@port.imtp.ilyichevsk.odessa.ua)
Date: Mon Mar 11 2002 - 05:45:44 EST

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On 9 March 2002 03:47, Martin J. Bligh wrote:
> "time make -j32 bzImage" is now down to 23 seconds.
> (16 way NUMA-Q, 700MHz P3's, 4Gb RAM).
...
> Any other suggestions are welcome. I'd also be interested
> to know if 23s is fast for make bzImage, or if other big
> iron machines can kick this around the room.

I'm curious how long "time make -j32 bzImage" takes on your setup
when:
1) only one node is enabled,
2) only one CPU is enabled?

this will give you a clue how close you are to 'perfect' scalability.

--
vda
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