From owner-freebsd-usb@FreeBSD.ORG Fri Apr 10 20:51:34 2009 Return-Path: Delivered-To: freebsd-usb@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D8453106564A for ; Fri, 10 Apr 2009 20:51:34 +0000 (UTC) (envelope-from man@email.com.ua) Received: from mail.alkar.net (mail.alkar.net [195.248.191.95]) by mx1.freebsd.org (Postfix) with ESMTP id 5ADD58FC0C for ; Fri, 10 Apr 2009 20:51:34 +0000 (UTC) (envelope-from man@email.com.ua) Received: from [92.113.87.113] (account man@email.com.ua HELO home.alkar.net) by mail.alkar.net (CommuniGate Pro SMTP 5.2.13) with ESMTPA id 1931734973; Fri, 10 Apr 2009 23:51:32 +0300 From: Artyom Mirgorodsky To: freebsd-usb@freebsd.org Date: Fri, 10 Apr 2009 23:51:24 +0300 User-Agent: KMail/1.11.2 (FreeBSD/8.0-CURRENT; KDE/4.2.2; i386; ; ) References: <200903010045.44904.man@email.com.ua> <200903012001.21543.hselasky@c2i.net> <200903022320.31592.man@email.com.ua> In-Reply-To: <200903022320.31592.man@email.com.ua> MIME-Version: 1.0 Content-Type: Text/Plain; charset="koi8-r" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200904102351.25137.man@email.com.ua> Cc: Subject: Re: Low perfomance when read from usb flash drive X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Apr 2009 20:51:35 -0000 > FreeBSD-8-Current > > dd if=/dev/da0 of=/dev/null bs=64k count=10000 > 10000+0 records in > 10000+0 records out > 655360000 bytes transferred in 60.320972 secs (10864546 bytes/sec) > Fantastic!!! Today result: dd if=/dev/da0 of=/dev/null bs=64k count=10000 10000+0 records in 10000+0 records out 655360000 bytes transferred in 27.736688 secs (23627911 bytes/sec) Many thanks.