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From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
To: Olivier MATZ <olivier.matz@6wind.com>
Cc: <dev@dpdk.org>, <thomas.monjalon@6wind.com>,
	<bruce.richardson@intel.com>,  <konstantin.ananyev@intel.com>
Subject: Re: [dpdk-dev] [PATCH v2] mempool: replace c memcpy code semantics with optimized rte_memcpy
Date: Fri, 3 Jun 2016 12:32:07 +0530	[thread overview]
Message-ID: <20160603070202.GA6153@localhost.localdomain> (raw)
In-Reply-To: <5750A220.6040804@6wind.com>

On Thu, Jun 02, 2016 at 11:16:16PM +0200, Olivier MATZ wrote:
Hi Olivier,

> This is probably more a measure of the pure CPU cost of the mempool
> function, without considering the memory cache aspect. So, of course,
> a real use-case test should be done to confirm or not that it increases
> the performance. I'll manage to do a test and let you know the result.

OK

IMO, put rte_memcpy makes sense(this patch) as their no behavior change.
However, if get rte_memcpy with behavioral changes makes sense some platform
then we can enable it on conditional basics(I am OK with that)

> 
> By the way, not all drivers are allocating or freeing the mbufs by
> bulk, so this modification would only affect these ones. What driver
> are you using for your test?

I have tested with ThunderX nicvf pmd(uses the bulk mode).
Recently sent out driver in ml for review

Jerin

> 
> 
> Regards,
> Olivier
> 
> 

  reply	other threads:[~2016-06-03  7:02 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-24 14:50 [dpdk-dev] [PATCH] mbuf: " Jerin Jacob
2016-05-24 14:59 ` Olivier Matz
2016-05-24 15:17   ` Jerin Jacob
2016-05-27 10:24     ` Hunt, David
2016-05-27 11:42       ` Jerin Jacob
2016-05-27 15:05         ` Thomas Monjalon
2016-05-30  8:44           ` Olivier Matz
2016-05-27 13:45       ` Hunt, David
2016-06-24 15:56     ` Hunt, David
2016-06-24 16:02       ` Olivier Matz
2016-05-26  8:07 ` [dpdk-dev] [PATCH v2] mempool: " Jerin Jacob
2016-05-30  8:45   ` Olivier Matz
2016-05-31 12:58     ` Jerin Jacob
2016-05-31 21:05       ` Olivier MATZ
2016-06-01  7:00         ` Jerin Jacob
2016-06-02  7:36           ` Olivier MATZ
2016-06-02  9:39             ` Jerin Jacob
2016-06-02 21:16               ` Olivier MATZ
2016-06-03  7:02                 ` Jerin Jacob [this message]
2016-06-17 10:40                   ` Olivier Matz
2016-06-24 16:04                     ` Olivier Matz
2016-06-30  9:41   ` Thomas Monjalon
2016-06-30 11:38     ` Jerin Jacob
2016-06-30 12:16   ` [dpdk-dev] [PATCH v3] " Jerin Jacob
2016-06-30 17:28     ` Thomas Monjalon
2016-07-05  8:43       ` Ferruh Yigit
2016-07-05 11:32         ` Yuanhan Liu
2016-07-05 13:13           ` Jerin Jacob
2016-07-05 13:42             ` Yuanhan Liu
2016-07-05 14:09             ` Ferruh Yigit
2016-07-06 16:21               ` Ferruh Yigit
2016-07-07 13:51                 ` Ferruh Yigit

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