[dpdk-dev] [PATCH v2] mempool: replace c memcpy code semantics with optimized rte_memcpy
Jerin Jacob
jerin.jacob at caviumnetworks.com
Fri Jun 3 09:02:07 CEST 2016
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
>
>
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