From: Vinod Koul <vinod.koul@intel.com>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: dan.j.williams@intel.com, dmaengine@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, tony@atomide.com,
linux@armlinux.org.uk, misael.lopez@ti.com
Subject: Re: [PATCH] dmaengine: omap-dma: Enable burst and data pack for SG
Date: Sat, 1 Oct 2016 11:35:45 +0530 [thread overview]
Message-ID: <20161001060544.GD2467@localhost> (raw)
In-Reply-To: <20160916105315.28320-1-peter.ujfalusi@ti.com>
On Fri, Sep 16, 2016 at 01:53:15PM +0300, Peter Ujfalusi wrote:
> From: Misael Lopez Cruz <misael.lopez@ti.com>
>
> Enable the burst and data pack modes for the scatter-gather
> in order to improve the throughput of the data transfers.
>
> The improvement has been verified with MMC HS200 mode in
> the DRA72 EVM using the iozone tool to compare the read
> throughput (in kB/s) with and without burst/pack for
> different reclens (in kB).
>
> With
> reclen Baseline sDMA burst/pack
> ------ -------- ---------------
> 64 46568 50820
> 128 57564 63413
> 256 65634 74937
> 512 72427 83483
> 1024 74563 84504
> 2048 76265 86079
> 4096 78045 87335
> 8192 78989 88154
> 16384 81265 91034
Applied, thanks
--
~Vinod
prev parent reply other threads:[~2016-10-01 5:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-16 10:53 [PATCH] dmaengine: omap-dma: Enable burst and data pack for SG Peter Ujfalusi
2016-10-01 6:05 ` Vinod Koul [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20161001060544.GD2467@localhost \
--to=vinod.koul@intel.com \
--cc=dan.j.williams@intel.com \
--cc=dmaengine@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-omap@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=misael.lopez@ti.com \
--cc=peter.ujfalusi@ti.com \
--cc=tony@atomide.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).