On Thu, 17 Jun 2004, Petri Helenius wrote: > Brad Knowles wrote: > > >> - Disabling HTT > >> - Using ADAPTIVE_MUTEXES > > > > These both sound like typical improvements, based on what I've > > seen on this list. Any ideas on when they might become the default? > > > HTT defaults to the BIOS setting, which I think is the logical course of > action. I donīt think the OS should make assumptions the way or another > over what the user has set in the BIOS. > (this used not to be the case earlier, and I asked it to default to > disable HTT back then) I agree in principle; however, as a variable in this benchmark, it seems like regardless of scheduler it's a net loss. A question we haven't yet answered is whether (for this workload, or other interesting workloads) it should be a net loss, and therefore whether it's simply our support to HTT is not yet mature enough to offer the theoretical advantage, or whether HTT is just a bad idea. :-) Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert_at_fledge.watson.org Senior Research Scientist, McAfee ResearchReceived on Thu Jun 17 2004 - 10:54:09 UTC
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