Date: Mon, 26 May 2003 14:21:19 +0200 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Christophe Zwecker <doc@zwecker.de> Cc: current@freebsd.org Subject: Re: gbde Performance - 35Mb/s vs 5.2 MB/s Message-ID: <98794.1053951679@critter.freebsd.dk> In-Reply-To: Your message of "Mon, 26 May 2003 14:09:10 %2B0200." <3ED203E6.1000202@zwecker.de>
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In message <3ED203E6.1000202@zwecker.de>, Christophe Zwecker writes: >Hi, > >I get 35MB/s write without gbde and 5 MB on a gbde crypted device. >here how I tested: > >Crypted device: >dd if=/dev/zero of=/mnt/test0.trash bs=1024k count=100 >104857600 bytes transferred in 19.927204 secs (5262033 bytes/sec) > >Noncrypted: >dd if=/dev/zero of=/test0.trash bs=1024k count=100 >104857600 bytes transferred in 2.993742 secs (35025597 bytes/sec) > >Could anyone tell me if this is supposed to be slow like that ? Or is >there anything I missed ? This sounds pretty likely for write performance. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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