Date: Thu, 3 Sep 2009 10:11:23 +1000 From: Emil Mikulic <emikulic@gmail.com> To: "Derek (freebsd lists)" <482254ac@razorfever.net> Cc: freebsd-current@freebsd.org Subject: Re: siis/atacam/ata/gmirror 8.0-BETA3 disk performance Message-ID: <20090903001123.GA17538@dmr.ath.cx> In-Reply-To: <4A9E8F4A.7080409@razorfever.net> References: <4A9E5F34.2090700@razorfever.net> <20090902141138.GA15045@dmr.ath.cx> <4A9E8F4A.7080409@razorfever.net>
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On Wed, Sep 02, 2009 at 11:29:14AM -0400, Derek (freebsd lists) wrote: > Would you mind describing the controller/bus that you are using to > get these speeds? Bits of dmesg: atapci1: <nVidia AHCI controller> port 0xd480-0xd487,0xd400-0xd403,0xd080-0xd087,0xd000-0xd003,0xcc00-0xcc0f mem 0xfae7a000-0xfae7bfff irq 22 at device 9.0 on pci0 atapci1: [ITHREAD] atapci1: AHCI v1.20 controller with 6 3Gbps ports, PM supported ata2: <ATA channel 0> on atapci1 ata2: [ITHREAD] ad4: 1430799MB <Seagate ST31500341AS CC1H> at ata2-master SATA300 Also kenv: smbios.planar.product="M4N78 PRO" This system has a newer CPU than the one you were timing: CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 5200+ (2700.02-MHz K8-class CPU) Are you seeing a lot of system and/or interrupt time when you do your benchmarks? --Emil
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