[dpdk-dev] [PATCH] test/mempool: decrease size of requested mempool
Bruce Richardson
bruce.richardson at intel.com
Thu Jul 9 13:18:31 CEST 2015
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 at 6wind.com>
Acked-by: Bruce Richardson <bruce.richardson at intel.com>
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