Peter Drake wrote:
out.writeObject(root);
Storing the root node of the Monte Carlo search will get storeObject()
called on all the siblings and children (assuming you are using an
implementation similar to the one on http://senseis.xmp.net/?UCT.
With 10.000 nodes, the depth of the tree is a
Peter Drake wrote (3 times):
> Exception in thread "main" ...
> . . . and 91.449 bytes later . . .
> ... (ObjectOutputStream.java:1369)
I studied the log file in depth and the problem is . . .
. . . (you guessed) using Java ;-)
Jacques.
BTW. I store this list. If you need your log file in
At 09:55 AM 2/9/2007, you wrote:
..., Java has a stack overflow error.
i assume you have tried the java -Xss to set the stack size (type
java -X for help on these)?
thanks
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From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
Sent: 09 February 2007 18:40
To: computer-go@computer-go.org
Subject: Re: [computer-go] Serializing a very large object in Java
Peter, java serialization is not a good way to do persistent storage o
I serialised some very large Markov models (tens to low hundreds of
megabytes) for my PhD using java serialisation. A couple of hints:
*) they can be faster if you compress them (I used the standard Java
libraries). Disk access was the limiting factor in my case and
compression (I got 80% compres
The UCT portion. I'm storing/loading a "pre-built" UCT tree once at
startup; the disk is not accessed during the game.
Peter Drake
Assistant Professor of Computer Science
Lewis & Clark College
http://www.lclark.edu/~drake/
On Feb 9, 2007, at 11:08 AM, terry mcintyre wrote:
Is this opening
On Feb 9, 2007, at 10:48 AM, Nick Apperson wrote:
What type of data are you trying to serialize or rather store to
disk? Do you have pointers in the data. Don't tell me you don't
have pointers just because it is java.
I wouldn't dream of it. Java has pointers and I use the hell out of 'em
Is this opening book database used for the UCT portion, or the playout portion
of Orego? In the UCT portion, speed of access may not be that important; a
database would probably be ideal. If used during the playout, then speed of
access is more crucial.
Terry McIntyre
UNIX for hire
software de
What type of data are you trying to serialize or rather store to disk? Do
you have pointers in the data. Don't tell me you don't have pointers just
because it is java. Java has pointers, it just preteneds it doesn't. Show
us the datastructure and we can probably help you more. If each entry h
Peter, java serialization is not a good way to do persistent storage
of any kind, especially large data structures.
It has some pretty severe drawbacks:
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