derrick.l...@givex.com (Derrick Lobo) writes: >Using netbsd using dd if=/dev/device of=/dev/null bs=16k >Sata SSD : 33967620096 bytes transferred in 1899.583 sec(17881619 >bytes/sec) >pcie SSD : 308527169536 bytes transferred in 2384.793 sec(129372725 >bytes/sec)
>Using ubuntu live boot disk with diskutility I get >Sata SSD : 504MB/sec >pcie SSD : 3100MB/sec This sounds like you are using the block device and not the raw device on NetBSD (e.g. /dev/ld0d instead of /dev/rld0d). For comparisons with diskutility you should also use a much larger block size (e.g. 1024k). >So im wondering if theres any tweak/config on netbsd that is needed to >get higher speed on the pcie .. copying a 200mb files take a minute on the >sata drive while it takes 6 minutes on the pcie.. so its 5 times slow >rather than being faster So how to you copy a 200mb file and what filesystem do you use? What is source and what is destination? Even with the bad numbers above you would get 5-6 times the speed for the sata drive and about 200 times the speed for pcie. Greetings, Michael van Elst >Derrick Lobo >------=_NextPart_000_07A9_01D1ED99.A0574C70 >Content-Type: text/html; > charset="us-ascii" >Content-Transfer-Encoding: quoted-printable ><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> ><HTML> ><HEAD> ><META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; = >charset=3Dus-ascii"> ><META NAME=3D"Generator" CONTENT=3D"MS Exchange Server version = >08.00.0681.000"> ><TITLE>read/write slow on nvme drive - Supermicro X10DRL-CT</TITLE> ></HEAD> ><BODY> ><!-- Converted from text/rtf format --> ><P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT FACE=3D"Calibri">I have a = >Supermicro</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT = >FACE=3D"Calibri">nmve supported hardware</FONT></SPAN><SPAN = >LANG=3D"en-us"> <FONT FACE=3D"Calibri">X10DRL-CT</FONT></SPAN><SPAN = >LANG=3D"en-us"><FONT FACE=3D"Calibri"></FONT></SPAN><SPAN = >LANG=3D"en-us"> <FONT FACE=3D"Calibri">with</FONT></SPAN><SPAN = >LANG=3D"en-us"><FONT FACE=3D"Calibri"></FONT> <FONT FACE=3D"Calibri">a = >SSD sasa drive and an intel nvme pcie drive..</FONT></SPAN><SPAN = >LANG=3D"en-us"> <FONT FACE=3D"Calibri">both drives are 2tb = >and</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT = >FACE=3D"Calibri">I</FONT></SPAN><SPAN LANG=3D"en-us"><FONT = >FACE=3D"Calibri"></FONT> <FONT FACE=3D"Calibri">have used gpt with the = >latest 7.99</FONT><FONT FACE=3D"Calibri"></FONT> <FONT = >FACE=3D"Calibri">daily</FONT> <FONT FACE=3D"Calibri">build from = >today</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN></P> ><P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT FACE=3D"Calibri">U</FONT><FONT = >FACE=3D"Calibri">sing</FONT> <FONT = >FACE=3D"Calibri">netbsd</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT = >FACE=3D"Calibri">usi</FONT><FONT FACE=3D"Calibri">ng dd if=3D/dev/device = >of=3D/dev/null bs=3D16k</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN></P> ><P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT FACE=3D"Calibri">S</FONT><FONT = >FACE=3D"Calibri">ata</FONT> <FONT FACE=3D"Calibri">SSD = >:</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT = >FACE=3D"Calibri">33967620096</FONT></SPAN><SPAN LANG=3D"en-us"><FONT = >FACE=3D"Calibri"> bytes</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT = >FACE=3D"Calibri">transferred</FONT></SPAN><SPAN LANG=3D"en-us"><FONT = >FACE=3D"Calibri"></FONT> <FONT FACE=3D"Calibri">in 1899.583 = >sec</FONT></SPAN><SPAN LANG=3D"en-us"><FONT = >FACE=3D"Calibri">(</FONT></SPAN><SPAN LANG=3D"en-us"><FONT = >FACE=3D"Calibri">17881619 bytes/sec</FONT></SPAN><SPAN = >LANG=3D"en-us"><FONT FACE=3D"Calibri">)</FONT></SPAN><SPAN = >LANG=3D"en-us"></SPAN></P> ><P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT = >FACE=3D"Calibri">pcie</FONT></SPAN><SPAN LANG=3D"en-us"><FONT = >FACE=3D"Calibri"></FONT> <FONT FACE=3D"Calibri">SSD :</FONT></SPAN><SPAN = >LANG=3D"en-us"> <FONT FACE=3D"Calibri">308527169536 = >bytes</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT = >FACE=3D"Calibri">transferred</FONT></SPAN><SPAN LANG=3D"en-us"><FONT = >FACE=3D"Calibri"></FONT></SPAN><SPAN LANG=3D"en-us"> <FONT = >FACE=3D"Calibri">in 2384.793 sec(</FONT></SPAN><SPAN = >LANG=3D"en-us"><FONT FACE=3D"Calibri">129372725 = >bytes/sec</FONT></SPAN><SPAN LANG=3D"en-us"><FONT = >FACE=3D"Calibri">)</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN></P> ><P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT FACE=3D"Calibri">U</FONT><FONT = >FACE=3D"Calibri">sing</FONT> <FONT FACE=3D"Calibri">ubuntu live boot = >disk with diskutility</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT = >FACE=3D"Calibri">I</FONT></SPAN><SPAN LANG=3D"en-us"><FONT = >FACE=3D"Calibri"></FONT> <FONT FACE=3D"Calibri">get</FONT></SPAN></P> ><P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT = >FACE=3D"Calibri">Sata</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT = >FACE=3D"Calibri">SSD</FONT><FONT FACE=3D"Calibri"> :</FONT> <FONT = >FACE=3D"Calibri"> 504MB/sec</FONT></SPAN></P> ><P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT = >FACE=3D"Calibri">pcie</FONT></SPAN><SPAN LANG=3D"en-us"><FONT = >FACE=3D"Calibri"> SSD</FONT> <FONT FACE=3D"Calibri">:</FONT> <FONT = >FACE=3D"Calibri">3100MB/sec</FONT></SPAN></P> ><P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT FACE=3D"Calibri">So im wondering = >if theres any tweak</FONT></SPAN><SPAN LANG=3D"en-us"><FONT = >FACE=3D"Calibri">/c</FONT><FONT FACE=3D"Calibri">o</FONT><FONT = >FACE=3D"Calibri">nfig</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT = >FACE=3D"Calibri"> on n</FONT></SPAN><SPAN LANG=3D"en-us"><FONT = >FACE=3D"Calibri">etbsd t</FONT><FONT FACE=3D"Calibri">hat is = >needed</FONT> <FONT FACE=3D"Calibri">to get</FONT> <FONT = >FACE=3D"Calibri">higher sp</FONT><FONT FACE=3D"Calibri">eed on the = >pcie</FONT></SPAN><SPAN LANG=3D"en-us"> <FONT FACE=3D"Calibri">.. = >copying a 200mb files t</FONT><FONT FACE=3D"Calibri">ake a minute on the = >sata drive while it takes 6 minutes on the pcie.. so its 5 times slow = >ra</FONT></SPAN><SPAN LANG=3D"en-us"><FONT FACE=3D"Calibri">ther than = >being faster</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN></P> ><P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN = >LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN = >LANG=3D"en-us"><FONT FACE=3D"SimSun">Derrick Lobo</FONT></SPAN></P> ><P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN></P> ></BODY> ></HTML> >------=_NextPart_000_07A9_01D1ED99.A0574C70-- -- -- Michael van Elst Internet: mlel...@serpens.de "A potential Snark may lurk in every tree."