Re: [PATCH] libnuma: disable caching of node cpusmasks

Andi Kleen <[email protected]> Tue, 16 Jun 2015 16:48:05 +0200
Newsgroups org.kernel.vger.linux-numa
Message-ID <[email protected]>
> I did simple comparison for 1 million of numa_node_to_cpus() calls
> and disabled caching extended time three times (from 10 seconds to 30).

that's a big slow down. Someone could have it in their fast paths.

I think need a time out or so.

-Andi