Re: [computer-go] Gnugo vs commercial programs - scalability

2007-01-11 Thread terry mcintyre 
Since we can no longer count on doubling single-processor speed every 18 months,
go programs will need to scale across multiple processors. Dual-core systems 
are 
common; a pair of duos can be had for $5K or so. IBM sells four dual-core 
processors 
in a single rackmount chassis, and can be expected to make four quad-cores 
available by
the end of the year.  Both Intel and AMD have announced multicore roadmaps. 
Less 
well-known processors, such as Sun's UltraSparc T1, have 8 cores and up to 32
simultaneous threads.

Terry McIntyre


- Original Message 
From: steve uurtamo [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: computer-go computer-go@computer-go.org
Sent: Thursday, January 11, 2007 4:18:01 AM
Subject: Re: [computer-go] Gnugo vs commercial programs


 I still don't understand your point.   Are you just trying to say
 computers have a long way to go to beat really strong humans?

nope -- i'm saying that until extra time makes a measurable
difference in the strength of a program, worrying about how
much time a program spends on any particular activity (like
winning or losing a game) is less important than worrying about
the activity itself.

s.







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Re: [computer-go] Gnugo vs commercial programs - scalability

2007-01-11 Thread Don Dailey 
On Thu, 2007-01-11 at 05:25 -0800, terry mcintyre wrote:
 
 Since we can no longer count on doubling single-processor speed every
 18 months,
 go programs will need to scale across multiple processors. Dual-core
 systems are 
 common; a pair of duos can be had for $5K or so. IBM sells
 four dual-core processors 
 in a single rackmount chassis, and can be expected to make four
 quad-cores available by
 the end of the year.  Both Intel and AMD have announced multicore
 roadmaps. Less 
 well-known processors, such as Sun's UltraSparc T1, have 8 cores and
 up to 32
 simultaneous threads.

It will be interesting to see what happens.   They have predicted this
fall-off
every year but it hasn't happened yet - invariably it will unless
someone
can exploit the laws of physics in a way we don't understand yet.

I suspect we can still get many more doublings even on a single core -
but it may involve significantly different technologies than silicon.

- Don



 Terry McIntyre
 
 - Original Message 
 From: steve uurtamo [EMAIL PROTECTED]
 To: [EMAIL PROTECTED]
 Cc: computer-go computer-go@computer-go.org
 Sent: Thursday, January 11, 2007 4:18:01 AM
 Subject: Re: [computer-go] Gnugo vs commercial programs
 
  I still don't understand your point.   Are you just trying to say
  computers have a long way to go to beat really strong humans?
 
 nope -- i'm saying that until extra time makes a measurable
 difference in the strength of a program, worrying about how
 much time a program spends on any particular activity (like
 winning or losing a game) is less important than worrying about
 the activity itself.
 
 s.
 
 
 
 
 
 
 
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 Access over 1 million songs.
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