linux-kernel - Re: MBR partitions slow?

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <E2D72371-913B-4460-A370-C141835AD919@gmail.com>
Date:   Wed, 31 Aug 2016 08:32:34 -0700
From:   Mark D Rustad <mrustad@...il.com>
To:     Ulrich Windl <Ulrich.Windl@...uni-regensburg.de>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: MBR partitions slow?

Ulrich Windl <Ulrich.Windl@...uni-regensburg.de> wrote:

> So without partition the throughput is about twice as high! Why?

My first thought is that by starting at block 0 the accesses were aligned  
with the flash block size of the device. By starting at a partition, the  
accesses probably were not so aligned.

--
Mark Rustad, MRustad@...il.com

Download attachment "signature.asc" of type "application/pgp-signature" (842 bytes)