RE: [Bug-gnubg] Re: gnubg bug?

[Ingo Macherius]

Using built-in specs.
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.3.2-1.1' --with-bugurl=file:///usr/share/doc/gcc-4.3/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --with-gxx-include-dir=/usr/include/c++/4.3 --program-suffix=-4.3 --enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr --enable-cld --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 4.3.2 (Debian 4.3.2-1.1)

~/gnubg/install/bin$ ./configure CFLAGS="-pipe -combine -march=icore2 -O3 -funsafe-loop-optimizations -funsafe-math-optimizations  -ffast-math -freciprocal-math -ftree-vectorize -mfpmath=sse -mssse3 -msse3 -msse -msse2 -fomit-frame-pointer -msahf" --prefix=/home/inim/gnubg/install --enable-sse=sse2 --without-gtk --enable-threads

 

Setup der frischen Installtion mit CVS sources per 2. August:

 

set lang C
set evaluation chequerplay evaluation plies 2
set evaluation chequerplay evaluation cubeful on
set evaluation chequerplay evaluation prune off
set evaluation cubedecision evaluation plies 2
set evaluation cubedecision evaluation cubeful on
set evaluation cubedecision evaluation prune off

set gnubgid NwAAgN3MAGgBAA:cAnmAEAAIAAA

hint 1

 

(inim) hint 1
    1. Cubeful 2-ply    21/17 19/18                  MWC:  22.81%
       0.000 0.000 0.000 - 1.000 1.000 0.085
        2-ply cubeful

Dito mit "prune off":

 

(inim) hint 1
    1. Cubeful 2-ply    21/17 19/18                  MWC:  22.81%
       0.000 0.000 0.000 - 1.000 1.000 0.085
        2-ply cubeful

Maybe a problem with the i486 backend? Tried i386 ?

 

Ingo

-----Original Message-----
From: Michael Petch [mailto:address@hidden
Sent: Wednesday, August 05, 2009 10:34 AM
To: Ingo Macherius; address@hidden
Subject: Re: [Bug-gnubg] Re: gnubg bug?

What does 2 ply tell you?

On 05/08/09 2:19 AM, "Ingo Macherius" <address@hidden> wrote:

Problem can not be reprosuced on Linux x86_64 with gcc 4.3 either, despite heavy Optimization flags used. All gnubg settings are compile time default.

gcc version 4.3.2 (Debian 4.3.2-1.1)
Target: x86_64-linux-gnu

gcc -pipe -combine -march=core2 -O3 -funsafe-loop-optimizations -funsafe-math-optimizations -ffast-math -freciprocal-math -ftree-vectorize -mfpmath=sse -mssse3 -msse3 -msse -msse2 -fomit-frame-pointer -msahf
 
(inim)set gnubgid NwAAgN3MAGgBAA:cAnmAEAAIAAA
[...]
(inim) hint 1
    1. Cubeful 0-ply    21/17 19/18                  MWC:  22.81%
       0.000 0.000 0.000 - 1.000 1.000 0.085
        0-ply cubeful [expert]
Ingo