[EXT] Re: [PATCH] app/dma-perf: support bi-directional transfer

Amit Prakash Shukla amitprakashs at marvell.com
Tue Feb 27 10:53:08 CET 2024


Hi Chengwen,

Please see my reply in-line.

Thanks

> -----Original Message-----
> From: fengchengwen <fengchengwen at huawei.com>
> Sent: Wednesday, February 21, 2024 11:54 AM
> To: Amit Prakash Shukla <amitprakashs at marvell.com>; Cheng Jiang
> <honest.jiang at foxmail.com>
> Cc: dev at dpdk.org; Jerin Jacob <jerinj at marvell.com>; Vamsi Krishna Attunuru
> <vattunuru at marvell.com>; Nithin Kumar Dabilpuram
> <ndabilpuram at marvell.com>; Anoob Joseph <anoobj at marvell.com>;
> Gowrishankar Muthukrishnan <gmuthukrishn at marvell.com>
> Subject: [EXT] Re: [PATCH] app/dma-perf: support bi-directional transfer
> 
> External Email
> 
> ----------------------------------------------------------------------
> Hi Amit,
> 
> I didn't got the bit-directional meaning, does it mean: one core + one dmadev
> work for mem2dev while another core + another dmadev work for mem2dev?
> 
> Thanks

Yes, 1 core + 1 dma dev for mem2dev transfer and another core + another dma dev for dev2mem transfer.

> 
> On 2024/1/8 16:27, Amit Prakash Shukla wrote:
> > Adds bi-directional DMA transfer support to test performance.
> >
> > Signed-off-by: Amit Prakash Shukla <amitprakashs at marvell.com>
> > ---
> > Depends-on: series-30357 ("PCI Dev and SG copy support")

<snip>


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