Date: Wed, 6 Feb 2002 09:40:50 -0500 From: Steve Ames <steve@virtual-voodoo.com> To: John Baldwin <jhb@FreeBSD.ORG> Cc: Garance A Drosihn <drosih@rpi.edu>, current@FreeBSD.ORG Subject: Re: Performance of -current vs -stable Message-ID: <20020206144050.GA24003@virtual-voodoo.com> In-Reply-To: <XFMail.020206010234.jhb@FreeBSD.org> References: <p05101401b88638b62611@[128.113.24.47]> <XFMail.020206010234.jhb@FreeBSD.org>
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On Wed, Feb 06, 2002 at 01:02:34AM -0500, John Baldwin wrote: > > On 06-Feb-02 Garance A Drosihn wrote: > > Could it be due to the DDB, INVARIANTS & WITNESS options in the > > kernel? If it is that's fine with me, I'm just wondering where > > that magnitude of a slowdown would be coming from. > > WITNESS can really hurt. Quite possibly I should turn it off in GENERIC > now (I wouldn't mind if someone else did that.) Before major locking > changes people should still use it to look for bugs, but it isn't > very efficient I'm afraid. :( Is 'AJ' still set in the malloc options? I seem to recall setting /etc/malloc.conf once in CURRENT for performance reasons. -Steve To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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