Date: Sat, 1 Nov 2003 04:04:00 +1100 (EST) From: Bruce Evans <bde@zeta.org.au> To: Jeff Roberson <jroberson@chesapeake.net> Cc: current@FreeBSD.org Subject: Re: More ULE bugs fixed. Message-ID: <20031101035603.G610@gamplex.bde.org> In-Reply-To: <20031031064532.Y43805-100000@mail.chesapeake.net> References: <20031031064532.Y43805-100000@mail.chesapeake.net>
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On Fri, 31 Oct 2003, Jeff Roberson wrote: > I have commited my SMP fixes. I would appreciate it if you could post > update results. ULE now outperforms 4BSD in a single threaded kernel > compile and performs almost identically in a 16 way make. I still have a > few more things that I can do to improve the situation. I would expect > ULE to pull further ahead in the months to come. My simple make benchmark now takes infinitely longer with ULE under SMP, since make -j 16 with ULE under SMP now hangs nfs after about a minute. 4BSD works better. However, some networking bugs have developed in the last few days. One of their manifestations is that SMP kernels always panic in sbdrop() on shutdown. > The nice issue is still outstanding, as is the incorrect wcpu reporting. It may be related to nfs processes not getting any cycles even when there are no niced processes. Bruce
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