Of course, I now realize what I missed after sending it. Playout vs.
Playout move... At a little over 100 moves per playout, our numbers
agree
Sent from my iPhone
On Apr 24, 2009, at 12:54 PM, Jason House
<jason.james.ho...@gmail.com> wrote:
My math seems to be way different
1e9 / 45000= 22,222 cycles per playout
On Apr 24, 2009, at 12:22 PM, Michael Williams <michaelwilliam...@gmail.com
> wrote:
According to my math, that comes out to around 205 cycles per
playout move. Pretty damn good, I'd say.
Łukasz Lew wrote:
On Fri, Apr 24, 2009 at 01:52, Łukasz Lew <lukasz....@gmail.com>
wrote:
I get
g++-4.1 35 kpps/GHz
g++-4.2 45 kpps/GHz
g++-4.3 40 kpps/GHz
I'm happy it's quite consistent on core2
I'm curious about 4.4 as well.
g++-4.4 45 kpps/GHz
package gcc-snapshot on ubuntu
$ /usr/lib/gcc-snapshot/bin/g++ --version
g++ (Ubuntu 20081024-0ubuntu1) 4.4.0 20081024 (experimental) [trunk
revision 141342]
so quite old.
Lukasz
Lukasz
PS
On Fri, Apr 24, 2009 at 01:29, Adrian Grajdeanu
<adria...@cox.net> wrote:
I have two benchmarks:
On an: Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz stepping 06
g++ --version
g++ (GCC) 4.1.2 20070925 (Red Hat 4.1.2-33)
I had to modify SConstruct to refer to the default g++, not g++.
4.2.... and
had to remove -march=native
= Benchmarking, please wait ...
= 200000 playouts in 2.72759 seconds
73.3249 kpps
36.5657 kpps/GHz (clock independent)
105316/94359 (black wins / white wins)
= 200000 playouts in 2.73858 seconds
73.0304 kpps
36.4108 kpps/GHz (clock independent)
104924/94746 (black wins / white wins)
= 200000 playouts in 2.72858 seconds
73.2981 kpps
36.5291 kpps/GHz (clock independent)
105097/94582 (black wins / white wins)
= 200000 playouts in 2.76258 seconds
72.3961 kpps
36.1141 kpps/GHz (clock independent)
105139/94547 (black wins / white wins)
= 200000 playouts in 2.74358 seconds
72.8974 kpps
36.3124 kpps/GHz (clock independent)
104896/94794 (black wins / white wins)
= Try 'help'
on an: Intel(R) Core(TM)2 Quad CPU Q9650 @ 3.00GHz stepping 0a
g++ --version
g++ (GCC) 4.3.0 20080428 (Red Hat 4.3.0-8)
(with -march=native flag)
= Benchmarking, please wait ...
= 200000 playouts in 1.65575 seconds
120.791 kpps
40.2566 kpps/GHz (clock independent)
105316/94359 (black wins / white wins)
= 200000 playouts in 1.65275 seconds
121.011 kpps
40.3069 kpps/GHz (clock independent)
104924/94746 (black wins / white wins)
= 200000 playouts in 1.65375 seconds
120.937 kpps
40.2789 kpps/GHz (clock independent)
105097/94582 (black wins / white wins)
= 200000 playouts in 1.65475 seconds
120.864 kpps
40.2917 kpps/GHz (clock independent)
105139/94547 (black wins / white wins)
= 200000 playouts in 1.65175 seconds
121.084 kpps
40.3084 kpps/GHz (clock independent)
104896/94794 (black wins / white wins)
= Try 'help'
I'd be curious g++ 4.4 what gives?
Cheers,
Adrian
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