Hi,

Have you looked at Pachi's usage of virtual wins and virtual losses?

I had read your paper. That was useful. Thanks.
http://pasky.or.cz/go/pachi-tr.pdf
I use VirtualLoss N=10 on single machine.
I have not tried VirtualWin. I'll try.

Winrate vs VirtualLoss N=1

Winrate N
0.457   0
0.532   2
0.494   3
0.544   4
0.538   5
0.536   6
0.550   8
0.559  10
0.549  11
0.556  12
0.510  20
0.536  30
0.562  40
0.553 100
(1sec/move, 4 threads, 9x9, 1000 games selfplay.)

Regards,
Hiroshi Yamashita


----- Original Message ----- From: "Petr Baudis" <[email protected]>
To: <[email protected]>
Sent: Wednesday, November 21, 2012 10:17 PM
Subject: Re: [Computer-go] TAAI details?


 Hi!

On Wed, Nov 21, 2012 at 08:03:38PM +0900, Hiroshi Yamashita wrote:
Aya was running on 10 machines, each has 12 cores @3.3GHz(10x12 =120 cores).
I borrowed it from The University of Electro-Communications.
Cluster is Root Parallelization with summing up root results each 0.5 sec.
Aya uses GTP(Go Text Protocol) to communicate another machines.
I tested this cluster as AyaMC6 on KGS. But it got only 1d or 2d.
AyaMC5 (4 cores) has 2d. I think my method may be something wrong.

 Have you looked at Pachi's usage of virtual wins and virtual losses?
Does using that make a difference for you?

 Best,

Petr "Pasky" Baudis
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