Date: Tue, 21 Apr 1998 02:50:39 +1000 From: Bruce Evans <bde@zeta.org.au> To: bde@zeta.org.au, mike@smith.net.au Cc: dburr@POBoxes.com, hardware@FreeBSD.ORG, stable@FreeBSD.ORG, Studded@san.rr.com Subject: Re: best wdc0 flags ? Message-ID: <199804201650.CAA05910@godzilla.zeta.org.au>
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>> I thought I did, but my oldest accessible drive (all 400MB of it from >> 4 years ago) supports them. The probe seems to handle any that don't. > >OK. Should we make it the default then? In -current. >> Setting the multi-block flag is not such a good optimization, since it >> pessimizes throughput on some drives and it increases interrupt latency. > >Can you qualify "some drives" again? The overall performance >improvement in general use is marked, and it decreases interrupt load >in the DMA case. Old drives. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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