Date: Fri, 4 Jul 2003 16:03:19 -0400 (EDT) From: Jeff Roberson <jroberson@chesapeake.net> To: Jeff Roberson <jeff@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern sched_ule.c Message-ID: <20030704155950.F17881-100000@mail.chesapeake.net> In-Reply-To: <200307041959.h64Jx0ID064422@repoman.freebsd.org>
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On Fri, 4 Jul 2003, Jeff Roberson wrote: > jeff 2003/07/04 12:59:00 PDT > > FreeBSD src repository > > Modified files: > sys/kern sched_ule.c > Log: > - Parse the cpu topology map in sched_setup(). > - Associate logical CPUs on the same physical core with the same kseq. > - Adjust code that assumed there would only be one running thread in any > kseq. > - Wrap the HTT code with a ULE_HTT_EXPERIMENTAL ifdef. This is a start > towards HyperThreading support but it isn't quite there yet. > > Revision Changes Path > 1.51 +53 -13 src/sys/kern/sched_ule.c > This was mostly commited to prevent bitrot. With this enabled and logical cores enabled ULE performs better than it does without. It still does not perform as well as a system with logical cores disabled. By the time I'm done this gap should be closed well enough to allow for HTT to be enabled all the time. I expect to improve this situation further in the coming weeks. Cheers, Jeff
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