[PATCH v8] mempool: improve cache behaviour and performance

Wisam Jaddo wisamm at nvidia.com
Wed Jul 8 14:28:03 CEST 2026


Hi,

Our internal performance testing are showing degradation starting from this commit.
The degradation is about 1.8% - 2% on small msg szies.

BRs,
Wisam Jaddo

> -----Original Message-----
> From: Thomas Monjalon <thomas at monjalon.net>
> Sent: Wednesday, June 10, 2026 2:07 PM
> To: Morten Brørup <mb at smartsharesystems.com>
> Cc: dev at dpdk.org; Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>
> Subject: Re: [PATCH v8] mempool: improve cache behaviour and performance
> 
> 04/06/2026 13:48, Morten Brørup:
> > This patch refactors the mempool cache to eliminate some unexpected
> > behaviour and reduce the mempool cache miss rate.
> 
> Applied, thanks.
> 
> 



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