Date: Fri, 29 Apr 2005 23:12:46 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: performance@FreeBSD.org Subject: Re: Memory allocation performance/statistics patches Message-ID: <20050429231211.J31768@fledge.watson.org> In-Reply-To: <20050425181101.Y74930@fledge.watson.org> References: <20050417134448.L85588@fledge.watson.org> <20050425114546.O74930@fledge.watson.org> <20050425181101.Y74930@fledge.watson.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 25 Apr 2005, Robert Watson wrote: > On Mon, 25 Apr 2005, Robert Watson wrote: > >> I now have updated versions of these patches, which correct some >> inconsistencies in approach (universal use of curcpu now, for example), >> remove some debugging code, etc. I've received relatively little >> performance feedback on them, and would appreciate it if I could get some. >> :-) Especially as to whether these impact disk I/O related workloads, >> useful macrobenchmarks, etc. The latest patch is at: >> >> >> http://www.watson.org/~robert/freebsd/netperf/20050425-uma-mbuf-malloc-critical.diff > > FYI: For those set up to track perforce, you can find the contents of > this patch in: > > //depot/user/rwatson/percpu/... > > In addition, that branch also contains diagnostic micro-benchmarks in > the kernel to measure the cost of various synchronization operations, > memory allocation operations, etc, which can be queried using "sysctl > test". FYI: I've now committed the UMA changes from this patch. Robert N M Watson
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050429231211.J31768>