Date: Sat, 25 Dec 2010 20:29:33 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-hackers@freebsd.org Subject: Re: [rfc] Replacing FNV and hash32 with Paul Hsieh's SuperFastHash Message-ID: <if5gmr$a5r$1@dough.gmane.org> In-Reply-To: <20101223224619.GA21984@tops> References: <20101223224619.GA21984@tops>
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On 23.12.2010 23:46, Gleb Kurtsou wrote: > For testing I've used dbench with 16 processes on 1 Gb swap back md > device, UFS + SoftUpdates: > Old hash (Mb/s): 599.94 600.096 599.536 > SFH hash (Mb/s): 612.439 612.341 609.673 > > It's just ~1% improvement, but dbench is not a VFS metadata intensive > benchmark. Subjectively it feels faster accessing maildir mailboxes > with ~10.000 messages : ) Try blogbench if you need metadata-intensive operations, or even fsx.
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