netdev - Re: [PATCH mm] slab: implement bulking for SLAB allocator

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 8 Sep 2015 10:22:32 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Jesper Dangaard Brouer <brouer@...hat.com>
cc:	iamjoonsoo.kim@....com, akpm@...ux-foundation.org,
	linux-mm@...ck.org, netdev@...r.kernel.org
Subject: Re: [PATCH mm] slab: implement bulking for SLAB allocator

On Tue, 8 Sep 2015, Jesper Dangaard Brouer wrote:

> Also notice how well bulking maintains the performance when the bulk
> size increases (which is a soar spot for the slub allocator).

Well you are not actually completing the free action in SLAB. This is
simply queueing the item to be freed later. Also was this test done on a
NUMA system? Alien caches at some point come into the picture.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html