From: Bram Matthys <syzop@vulnscan.org>
To: linux-ide@vger.kernel.org
Subject: Re: Write performance 50% compared to Windows
Date: Tue, 01 Nov 2016 14:55:44 +0100 [thread overview]
Message-ID: <84eaee69c190c1acdce494bd18de1200@mail.vulnscan.org> (raw)
Hi Daniel,
Daniel Fraga schreef op 2016-11-01 14:03:
> On Tue, 01 Nov 2016 11:37:42 +0100
> Bram Matthys <syzop@vulnscan.org> wrote:
>
>> I have a Samsung SSD 850 EVO 4TB and under Linux I'm only getting
>> ~240MB/s write speed. On Windows it's 490MB/s (yes, without cache).
>> The read speed is the same on both Linux and Windows, though. Both
>> are
>> 512MB/s.
>
> Just curious: are you using the "deadline" scheduler? What file
> system? Ext4?
Yes, the deadline scheduler.
On Linux I'm writing directly to /dev/sda, no file system.
Regards,
Bram
next reply other threads:[~2016-11-01 13:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-01 13:55 Bram Matthys [this message]
-- strict thread matches above, loose matches on Subject: below --
2016-11-01 10:37 Write performance 50% compared to Windows Bram Matthys
2016-11-01 13:03 ` Dâniel Fraga
2016-11-02 15:07 ` Bram Matthys
[not found] ` <CAJVOszDeJSXgdMuA-f6=JDSL78SBSz+-uDNp2PX=VTjeNyz4Bg@mail.gmail.com>
2016-11-03 7:46 ` Bram Matthys
2016-11-03 14:43 ` Bram Matthys
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