Re: [computer-go] ICGA 2007 MoGo-Steenvreter

2007-06-15 Thread Sanghyeon Seo
2007/6/15, Magnus Persson [EMAIL PROTECTED]: If this line is correct then it was Steenvreeter that played a bad move at 51, but Mogo failed to take advantage of this subtle mistake and lost with move 52. Now of course this line is not correct either because after 50 black A6 H4! H5 J3 F9 B8! E9

Re: [computer-go] ICGA 2007 MoGo-Steenvreter

2007-06-15 Thread Łukasz Lew
This is my analysis. It may be flawed but I hope it has some value. It would be very interesting to see what mogo thinks on those variations. Best Regards, Lukasz On 6/14/07, Sylvain Gelly [EMAIL PROTECTED] wrote: Hello Sanghyeon, thank you for your comments. After white (mogo) H2, MoGo

Re: [computer-go] ICGA 2007 MoGo-Steenvreter

2007-06-15 Thread Sylvain Gelly
Hello all, thank you all for all your precise comments. It becomes pretty complicated and technical for me, I'll try to find out everything :). Bye, Sylvain 2007/6/15, Łukasz Lew [EMAIL PROTECTED]: This is my analysis. It may be flawed but I hope it has some value. It would be very

[computer-go] Java hounds salivate over this:

2007-06-15 Thread terry mcintyre
Azul Systems has released a compute appliance with 768 cores and 768 gigabytes of RAM, happily driving your Java applications faster than ever before: http://www.azulsystems.com/products/compute_appliance.htm Terry McIntyre [EMAIL PROTECTED] They mean to govern well; but they mean to govern.

Re: [computer-go] Java hounds salivate over this:

2007-06-15 Thread Chris Fant
Wow, 48-cores in a second-generation chip. The future is not far now. On 6/15/07, terry mcintyre [EMAIL PROTECTED] wrote: Azul Systems has released a compute appliance with 768 cores and 768 gigabytes of RAM, happily driving your Java applications faster than ever before:

Re: [computer-go] Java hounds salivate over this:

2007-06-15 Thread terry mcintyre
The Vega chip is custom-designed to run a Java Virtual Machine. Not at all useful to the rest of us who prefer other languages. IIRC, the machine has a single memory image. Of course, 600+ gigabytes of RAM is not cheap, but if we can get an oil sheikh to sponsor a project, who knows? The

Re: [computer-go] Java hounds salivate over this:

2007-06-15 Thread steve uurtamo
hey, you guys are right, java really is as fast as C now. s. - Original Message From: terry mcintyre [EMAIL PROTECTED] To: computer-go computer-go@computer-go.org Sent: Friday, June 15, 2007 1:17:11 PM Subject: Re: [computer-go] Java hounds salivate over this: The Vega chip is

Re: [computer-go] Java hounds salivate over this:

2007-06-15 Thread steve uurtamo
OO is slower than non-OO. it's just easier for a lot of people to write. s. - Original Message From: Joshua Shriver [EMAIL PROTECTED] To: computer-go computer-go@computer-go.org Sent: Friday, June 15, 2007 1:27:28 PM Subject: Re: [computer-go] Java hounds salivate over this: I'm not a

Re: [computer-go] Java hounds salivate over this:

2007-06-15 Thread Álvaro Begué
I am not a Java expert, so some of what I say here might be wrong/outdated. I don't think JIT can make Java as fast as C/C++. There are still things Java does in ways that cannot be fast. For instance, you can't construct objects on the stack, so you need to use the heap for everything. Also,

Re: [computer-go] Java hounds salivate over this:

2007-06-15 Thread Robin Kramer
If there is a platform for Java, does that mean it wasn't ever actually platform independent? For you academia's out there prove it! -Robin On 6/15/07, Joshua Shriver [EMAIL PROTECTED] wrote: I'm not a java advocate, but I thought the whole java speed war ended when JIT came out? Granted

Re: [computer-go] Java hounds salivate over this:

2007-06-15 Thread Peter Drake
The JIT compiler can optimize away a lot of these things. For those of you who like empirical data: http://kano.net/javabench/ http://www.idiom.com/~zilla/Computer/javaCbenchmark.html Plenty of data can be mustered for either side of this question, but the assumption that Java is

Re: [computer-go] Java hounds salivate over this:

2007-06-15 Thread terry mcintyre
Regarding the garbage collector, Azul Systems' big selling point is that their hardware-assisted garbage collection consumes vastly less time and is much more predictable. - Original Message From: Álvaro Begué [EMAIL PROTECTED] Then you have the garbage collector, which will run at

Re: [computer-go] Java hounds salivate over this:

2007-06-15 Thread Jason House
On 6/15/07, Phil G [EMAIL PROTECTED] wrote: JIT didn't solve everything - the managed memory management in Java (and C#) has overheard which JIT can not always optimized away, for example. The D programming language website argues in favor of garbage collection... Even claiming that it

Re: [computer-go] Java hounds salivate over this:

2007-06-15 Thread Don Dailey
On Fri, 2007-06-15 at 14:45 -0400, Jason House wrote: On 6/15/07, Phil G [EMAIL PROTECTED] wrote: JIT didn't solve everything - the managed memory management in Java (and C#) has overheard which JIT can not always optimized away, for example. The D programming

Re: [computer-go] Java hounds salivate over this:

2007-06-15 Thread Jason House
On 6/15/07, Don Dailey [EMAIL PROTECTED] wrote: I think D keeps improving. The gcc version is slower anyway, so I haven't bothered with it but my understanding is that they have made a lot of optimizations since we last discussed the performance of D on this group. Of course I haven't tested

[computer-go] mogobot against 5 dan pro on kgs

2007-06-15 Thread alain Baeckeroot
Hi everybody Guojuan (5p) has played some games agaisnt mogobot on kgs. Worth to look at, and mogobot 3.0 won some on 9x9 Congrats to mogobot team, and thanks to Guo Juan for the games :) Alain ___ computer-go mailing list

Re: [computer-go] Java hounds salivate over this:

2007-06-15 Thread Nick Apperson
I think Java approaches the speed of C only in a few benchmarks. I think if you had a competition by super-experts in any language to write a very specific program, you would find that the Java program couldn't approach the C program in speed. For instance I would like someone to take Lukasz

Re: [computer-go] Java hounds salivate over this:

2007-06-15 Thread Eduardo Sabbatella
What are the specs of the actual cores? Shared memory or does each core have it's own? Its a SMP machine. (share memory with same access speed for every core) There are more things to take into consideration than just cores. I've seen several posts like this in the past, and it makes

Re: [computer-go] Java hounds salivate over this:

2007-06-15 Thread Robin Kramer
Gah! no destructor gotta love that one if you are trying to write threaded API's. OK my proof goes like this. Not all operating systems are the same, and you can access things in the operating system using Java, breaking encapsulation, and making that code non-independent. Furthermore, Java

Re: [computer-go] Re: Java hounds salivate over this:

2007-06-15 Thread terry mcintyre
Now that takes me back to days of your. Can we run TECO on a PDP-10 emulator? Early versions of EMACS were actually written on top of TECO -- how's that for layers upon layers of emulation? http://en.wikipedia.org/wiki/Text_Editor_and_Corrector - Original Message From: Dave Dyer

Re: [computer-go] results of computer olympiad 9x9

2007-06-15 Thread Erik van der Werf
On 6/14/07, Magnus Persson [EMAIL PROTECTED] wrote: Congratulations to Steenvreeter! Thx In the second game against CrazyStone it played like a weak MC-program in the opening - playing all moves in the center and allowing Crazystone as white to make two rock solid groups which in my

Re: [computer-go] Re: Java hounds salivate over this:

2007-06-15 Thread Eduardo Sabbatella
The approach that C supports is chaos: deal with it. Is it an approach? or a mere fact of consecuences ? I mean, people started to build C compilers on every machine, thats all. The standard library is less standard than any other thing... C was one of the first mainstream languages, also was

Re: [computer-go] results of computer olympiad 9x9

2007-06-15 Thread Erik van der Werf
On 6/14/07, Sylvain Gelly [EMAIL PROTECTED] wrote: Hi Magnus, Congratulations to Steenvreeter. Thank you for your analysis. Did you looked at the first game Steenvreeter-MoGo (MoGo was white)? I wonder, because MoGo was really happy, estimation always increased, up to 81%, then in one move

Re: [computer-go] Java hounds salivate over this:

2007-06-15 Thread Peter Drake
Oh, that's because I'm a lousy programmer. :-) Peter Drake http://www.lclark.edu/~drake/ On Jun 15, 2007, at 4:03 PM, Darren Cook wrote: Plenty of data can be mustered for either side of this question, but the assumption that Java is necessarily, inherently slower than C/C++ is outdated.

[computer-go] Re: Java hounds salivate over this:

2007-06-15 Thread Dave Dyer
At 03:12 PM 6/15/2007, steve uurtamo wrote: my last $0.02 on this -- let me know when you've written a kernel in java, and tell me how fast your operating system (written entirely in java) runs. I could point out that lisp machines had no other language at the core. The entire operating system

Re: [computer-go] Re: Java hounds salivate over this:

2007-06-15 Thread Hellwig Geisse
On Fri, 2007-06-15 at 15:12 -0700, steve uurtamo wrote: my last $0.02 on this -- let me know when you've written a kernel in java, and tell me how fast your operating system (written entirely in java) runs. what? that can't be done? :) Well, in fact that can be done... :-)