[Pachi] Regression ?

Petr Baudis pasky at ucw.cz
Fri Apr 15 13:14:44 CEST 2016


On Mon, Apr 11, 2016 at 09:05:59PM +0200, lemonsqueeze wrote:
> On 04/10/2016 03:37 AM, Petr Baudis wrote:
> >
> >sthalik's struct uct_node layout changes could have had some unforeseen
> >threading consequences wrt. lockless stats updates, but that should have
> >happenned *before* the regression you reported.
> >
> 
> Yes, that's what i was thinking too...
> That would have made sense, what's happening here is too weird !

I've left it runnig for a while, stopped now around 1000 games:

. 1019  0.576   0.015 19--45.5-1-gnugo10-pm-32e02-_300-playout=moggy,threads=4
. 971   0.582   0.016 19--45.5-1-gnugo10-pm-febab-_300-playout=moggy,threads=4

So they seem statistically equivalent, as expected.

-- 
				Petr Baudis
	If you have good ideas, good data and fast computers,
	you can do almost anything. -- Geoffrey Hinton


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