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On Monday 06 November 2006 12:59, Hemmann, Volker Armin wrote: |
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> On Monday 06 November 2006 13:49, Jack Lloyd wrote: |
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> > On Mon, Nov 06, 2006 at 01:05:31PM +0100, Hemmann, Volker Armin wrote: |
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> > > lets ask the other way round. Why should it speed up anything to have |
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> > > X>number of cores? |
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> > |
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> > To account for I/O wait states |
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> |
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> and how often does something wait for io and how often does some data is |
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> purged from the cache, because the other make instance is activated? |
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The best way to find out is to test in your own circumstances. |
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> When I switched from j2 to j1, compiling did not take any longer - but |
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> the box way much more usable. |
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Whereas when I changed from j3 to j5 on my 2 CPUs, compiling seemed to take |
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less time and I didn't notice any effect on responsiveness. |
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-- |
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Rgds |
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Peter |
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-- |
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