[patch] malloc per-thread cache ready for review

[Carlos O'Donell]

On 02/02/2017 07:01 AM, Siddhesh Poyarekar wrote:
> On Thursday 02 February 2017 05:23 PM, Wilco Dijkstra wrote:
>> I tried the new malloc (the patch as posted with several fixes from DJ's branch), 
>> however I don't see any improvement on SPEC. That's odd since several subtests
>> spend ~10% of the time in malloc, and even with a single thread the locking is very
>> expensive, so bypassing it should give a good speedup. And yes having written
> 
> That is very interesting, I'm going to look at this some more in the
> coming weeks.  I had tested an earlier version (around December) but I
> didn't think the current one had any major improvements.  Can you share
> what kind of machines you ran your tests one?

The next step would be to run with the high-speed API tracer turned on and
provide a trace of the application workload to see what's going on.

-- 
Cheers,
Carlos.