Messages in this thread | | | From | Andrew Theurer <> | Subject | Re: Wonderful World of Linux 2.6 - Final | Date | Thu, 18 Dec 2003 17:58:55 -0600 |
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On Thursday 18 December 2003 17:52, Andrea Arcangeli wrote: > On Thu, Dec 18, 2003 at 09:29:46AM -0600, Andrew Theurer wrote: > > be scheduled optimally, for example, a kernel compile with -j4 on a 4-way > > P4, with and without HT: > > > > average of 10 kernel compiles with -j4 on 2.6.0-test9: > > > > HT disabled: Elapsed: 145.086s User: 513.808s System: 44.724s CPU: 384.5% > > HT enabled: Elapsed: 172.463s User: 633.856s System: 48.003s CPU: 394.8% > > is that 4-way a 4-logical-way or 4-physical-way? If it's a 4-logical > way, this workload is much closer to the best case than the worst case. > I'm guessing a simple -j2 or -j3 should do much worse than that.
This is 4-way physical/4-way logical (no HT) vs 4-way physical/8-way logical (with HT)
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