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.

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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