[dpdk-dev] [PATCH v7 4/5] hash: add lock-free read-write concurrency

Thomas Monjalon thomas at monjalon.net
Tue Nov 6 10:13:53 CET 2018


06/11/2018 10:10, Jerin Jacob:
> From: Honnappa Nagarahalli <Honnappa.Nagarahalli at arm.com>
> > Jerin, thank you for running this test and all the analysis. I have not run this test. I was focused on simultaneous reads and writes. You can look at file test_hash_readwrite_lf.c to look for the kind of the use cases.
> > 
> > I am trying to reproduce this, I will get back with more details soon.
> 
> OK. Since RC2 approaching, bit worried about next steps if we cannot
> avoid the regression with this new feature for this release.

18.11-rc2 is already out.

> 24% drop of performance regression not seen in past for a specific
> usecase.So not sure what we did past for similar situations.
> 
> Thomas,
> Any thought of this?

Everything is possible, you just need to agree on a patch.
Please let's fix (or disable or revert) it in -rc3 this week.




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