From: "Luse, Paul E" <paul.e.luse@intel.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
"akhil.goyal@nxp.com" <akhil.goyal@nxp.com>,
"Jozwiak, TomaszX" <tomaszx.jozwiak@intel.com>,
"shally.verma@caviumnetworks.com"
<shally.verma@caviumnetworks.com>,
"ashish.gupta@caviumnetworks.com"
<ashish.gupta@caviumnetworks.com>,
"Daly, Lee" <lee.daly@intel.com>,
"Trahe, Fiona" <fiona.trahe@intel.com>
Subject: [dpdk-dev] [PATCH] compressdev: add feature flag to specify where processing is done
Date: Tue, 18 Dec 2018 18:41:07 +0000 [thread overview]
Message-ID: <82C9F782B054C94B9FC04A331649C77AB8C56A55@FMSMSX126.amr.corp.intel.com> (raw)
Resend wrong subject
-----Original Message-----
From: Trahe, Fiona
Sent: Tuesday, December 18, 2018 7:43 AM
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: dev@dpdk.org; akhil.goyal@nxp.com; Jozwiak, TomaszX <tomaszx.jozwiak@intel.com>; shally.verma@caviumnetworks.com; ashish.gupta@caviumnetworks.com; Daly, Lee <lee.daly@intel.com>; Luse, Paul E <paul.e.luse@intel.com>; Trahe, Fiona <fiona.trahe@intel.com>
Subject: RE: [dpdk-dev] [PATCH] compressdev: add feature flag to specify where processing is done
Hi Stephen
//snip//
> > > Subject: Re: [dpdk-dev] [PATCH] compressdev: add feature flag to
> > > specify where processing is done
> > >
> > > On Tue, 20 Nov 2018 01:39:48 +0000 Fiona Trahe
> > > <fiona.trahe@intel.com> wrote:
> > >
> > > > A new device feature flag, RTE_COMPDEV_FF_SW_OP_DONE_IN_DEQUEUE
> > > > is added. A PMD which processes operations using a software
> > > > acceleration engine should set this if the bulk of the
> > > > processing is done during the dequeue. It should leave it
> > > > cleared if the bulk of the processing is done during the enqueue
> > > > (default).
> > > > An application may find this useful for tuning.
> > > >
> > > > Signed-off-by: Fiona Trahe <fiona.trahe@intel.com>
> > >
> > > What application? or is this "if we build it they will come?"
> > [Fiona] Our storage team asked for this, so not quite.
> > Seems like it might by generically useful, so a bit of the latter
> > too :) Would you prefer I removed that line?
>
> Hopefully, there would be one or more open source projects using the API.
> I just did a survey of DPDK an 1/3 of it is never used by any open
> source project. Hate to see more dead code and special cases created.
>
> At least, some example code in examples would help. Something like a
> simple in memory compressed storage server using a network API
> (SMB?/SSH?/FTP?)
[Fiona] There is no compressdev sample app yet.
However I've double-checked with the SPDK team, they're currently integrating compressdev and intend to push a patch to SPDK - a storage open-source project - using this flag.
Acked-by: Paul Luse <paul.e.luse@intel.com>
next reply other threads:[~2018-12-18 18:41 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-18 18:41 Luse, Paul E [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-11-20 1:39 Fiona Trahe
2018-11-20 1:53 ` Stephen Hemminger
2018-11-20 16:25 ` Trahe, Fiona
2018-11-20 18:07 ` Stephen Hemminger
2018-12-18 14:43 ` Trahe, Fiona
2018-12-19 5:47 ` Verma, Shally
2018-12-19 17:09 ` Trahe, Fiona
2019-01-10 18:46 ` De Lara Guarch, Pablo
2019-01-12 6:47 ` Verma, Shally
2019-01-16 11:21 ` Shally Verma
2019-01-16 11:36 ` Trahe, Fiona
2019-01-16 12:09 ` Shally Verma
2019-01-16 12:44 ` Trahe, Fiona
2019-01-16 13:47 ` Shally Verma
2018-11-20 5:17 ` Verma, Shally
2018-11-20 16:40 ` Trahe, Fiona
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