Messages in this thread | | | Date | Tue, 8 Apr 2008 00:29:45 -0700 | From | "Paul Menage" <> | Subject | Re: [-mm] Add an owner to the mm_struct (v8) |
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On Tue, Apr 8, 2008 at 12:05 AM, Balbir Singh <balbir@linux.vnet.ibm.com> wrote: > > Paul Menage wrote: > > On Mon, Apr 7, 2008 at 11:52 PM, Balbir Singh <balbir@linux.vnet.ibm.com> wrote: > >> I agree, but like I said earlier, this was the easily available ready made > >> application I found. Do you know of any other highly threaded micro benchmark? > >> > > > > How about a simple program that creates N threads that just sleep, > > then has the main thread exit? > > > > That is not really representative of anything. I have that program handy. How do > we measure the impact on throughput?
It's very representative of how much additional overhead in terms of mm->owner churn there is in a large multi-threaded application exiting, which is the thing that you're trying to optimize with the delayed thread group leader checks.
Paul
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