Linked by Thom Holwerda on Tue 11th Mar 2008 10:05 UTC, submitted by Chezz
FreeBSD "Since the conclusion of the SMPng project, the focus of SMP development in FreeBSD has shifted from deploying locking infrastructure to careful profiling and optimization of kernel SMP strategies for increased performance on common workloads. FreeBSD 7.0 was the first release to benefit from this optimization work." The status of this work includes MySQL workload benchmarks and memory allocator performance in the new FreeBSD 8 branch. Also, here is a recent presentation showing FreeBSD compared to several other operating systems like NetBSD, DrangonFly, Solaris, and Linux.
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by Lazarus on Tue 11th Mar 2008 14:27 UTC
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The only thing I found surprising in the benchmarks was WRT NetBSD. My own damned fault for not having paid attention to its development over the last year or so.

I would expect that Linux and FreeBSD will be playing cat and mouse scalability wise for the foreseeable future.

DragonFly's poor scalability in the tests is _not_ unexpected as it still runs under the giant kernel lock, and from benchmarks done by Kris on DragonFly 1.12 (see the DF Users mailing list archive), things aren't much different.

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