From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?RMOibmllbA==?= Fraga Subject: Re: Write performance 50% compared to Windows Date: Tue, 1 Nov 2016 11:03:23 -0200 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from [195.159.176.226] ([195.159.176.226]:35588 "EHLO blaine.gmane.org" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1034039AbcKANIP (ORCPT ); Tue, 1 Nov 2016 09:08:15 -0400 Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1c1Ymt-0003tx-NP for linux-ide@vger.kernel.org; Tue, 01 Nov 2016 14:07:35 +0100 Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-ide@vger.kernel.org On Tue, 01 Nov 2016 11:37:42 +0100 Bram Matthys 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? -- https://exchangewar.info