Date: Wed, 27 Feb 2002 09:59:42 -0800 From: Terry Lambert <tlambert2@mindspring.com> To: Kirk McKusick <mckusick@mckusick.com> Cc: Jeff Roberson <jroberson@chesapeake.net>, arch@FreeBSD.ORG Subject: Re: Slab allocator Message-ID: <3C7D1E8E.98DAAC8C@mindspring.com> References: <200202271644.g1RGi1i32186@beastie.mckusick.com>
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Kirk McKusick wrote: > Your slab allocator work looks very interesting. Given that > the performance is comparable to what we are currently running, > it seems like a big step forward. > > The current statistics that I find most useful are (in order), the > number of current allocations, the high watermark for allocations, > and the total number of allocations made. The number of current > allocations needs to be correct and should be done under a lock. > The high watermark and total number of allocations need not be > precisely correct, so could well be done without a lock. The > occational missed count, or a slightly low high watermark would > not much matter. Totally agree with everything in this post, particularly the stats locks being unnecessary. -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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