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
WARNING: multiple messages have this Message-ID (diff)
From: vinod.koul@intel.com (Vinod Koul)
To: linux-arm-kernel@lists.infradead.org
Subject: [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
next prev parent reply other threads:[~2016-10-01 6:05 UTC|newest]
Thread overview: 5+ 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
2016-09-16 10:53 ` Peter Ujfalusi
2016-09-16 10:53 ` Peter Ujfalusi
2016-10-01 6:05 ` Vinod Koul [this message]
2016-10-01 6:05 ` Vinod Koul
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