Re: 2.5.39-mm1

Maneesh Soni (maneesh@in.ibm.com)
Tue, 01 Oct 2002 09:28:44 +0530


On Mon, 30 Sep 2002 23:55:50 +0530, Andrew Morton wrote:

> "Martin J. Bligh" wrote:
>>
>> Which looks about the same to me? Me slightly confused.
>
> I expect that with the node-local allocations you're not getting a lot
> of benefit from the lock amortisation. Anton will.
>
> It's the lack of improvement of cache-niceness which is irksome. Perhaps
> the heuristic should be based on recency-of-allocation and not
> recency-of-freeing. I'll play with that.
>
>> Will try
>> adding the original hot/cold stuff onto 39-mm1 if you like?
>
> Well, it's all in the noise floor, isn't it? Better off trying broader
> tests. I had a play with netperf and the chatroom benchmark. But the
> latter varied from 80,000 msgs/sec up to 350,000 between runs. --

Hello Andrew,

chatroom benchmark gives more consistent results with some delay
(sleep 60) between two runs.

Maneesh

-- 
Maneesh Soni
IBM Linux Technology Center, 
IBM India Software Lab, Bangalore.
Phone: +91-80-5044999 email: maneesh@in.ibm.com
http://lse.sourceforge.net/
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