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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Olivier Matz <olivier.matz@6wind.com>
Cc: dev@dpdk.org
Subject: Re: [PATCH] test/mempool: decrease size of requested mempool
Date: Thu, 09 Jul 2015 17:35:57 +0200	[thread overview]
Message-ID: <5094799.EXiVPc3dxi@xps13> (raw)
In-Reply-To: <20150709111831.GE8408@bricha3-MOBL3>

2015-07-09 12:18, Bruce Richardson:
> On Thu, Jul 09, 2015 at 11:01:29AM +0200, Olivier Matz wrote:
> > In test application, the default size of allocated mempool is calculated
> > as following:
> > 
> >   (RTE_MAX_LCORE * (RTE_MEMPOOL_CACHE_MAX_SIZE + max_kept_objects)) - 1
> > 
> > The objective is to ensure that all cores can fill their cache and keep
> > 'max_kept_objects' at the same time. As RTE_MAX_LCORE is 128 and
> > RTE_MEMPOOL_CACHE_MAX_SIZE is 512 in the default configuration, it can
> > produce very large mempools (170 MB).
> > 
> > We can replace the number of core by a dynamic value, which drastically
> > reduces the amount of memory needed for this test (5 MB with 4 cores).
> > 
> > Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
> 
> Acked-by: Bruce Richardson <bruce.richardson@intel.com>

Applied, thanks

      reply	other threads:[~2015-07-09 15:37 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-09  9:01 [PATCH] test/mempool: decrease size of requested mempool Olivier Matz
2015-07-09 11:18 ` Bruce Richardson
2015-07-09 15:35   ` Thomas Monjalon [this message]

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