On Friday 28 of August 2015 10:34:48 Navin Parakkal wrote:
On Fri, Aug 28, 2015 at 9:20 AM, Jeff Mahoney <jeffm@suse.com> wrote:
1) Inertia
i'll skip this one.
Well, you shouldn't. To change things, one should have good reason. The more intrusive the change, the stronger the arguments for it should be. Unless there is a substantial gain, the change is not worth the effort and the risk.
2) Our testing hasn't shown any clear winner under all workloads between the two allocators and our mm experts have many years of experience working with the slab code.
https://oss.oracle.com/projects/codefragments/src/trunk/bufferheads
Once you allocate around 200M+ objects using this buffer.ko. The you insmod https://oss.oracle.com/projects/codefragments/src/trunk/fragment-slab/ and do fragment of 8192 > /proc/test
I would rather appreciate a real life scenario showing SLUB performing (significantly) better, not an artificially crafted extreme testcase. Michal Kubeček -- To unsubscribe, e-mail: opensuse-kernel+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse-kernel+owner@opensuse.org