I believe you *have to* check for simple ko in playouts. Otherwise you'll end up with infinite playouts quite easily.
On Wed, May 7, 2014 at 9:09 AM, Ben Ellis <[email protected]> wrote: > All, > > When playing random playouts, do you (anyone) bother checking for KO > or super KO? Does this have a negative impact on accuracy of the win:loss > outcomes? > > Ben > > > On Thu, May 1, 2014 at 4:52 PM, Marc Landgraf <[email protected]>wrote: > >> Now I feel stupid :( >> Thanks... >> So now I'm down to 126 on average with /O2 /Ot /favor:INTEL64 (+the usual >> fluff) >> This is still about 15% slower then mingw-w64, but this is just for >> singlethreaded playouts. >> And it looks like, that when using 4 threads on the same tree, this gets >> compensated, and we arrive at pretty much the same speed. >> >> >> >> >> >> 2014-05-01 15:36 GMT+02:00 Harald Johnsen <[email protected]>: >> >> Le 01/05/2014 13:00, Marc Landgraf a écrit : >>> >>> Hey, >>>> I'm not talking about 20% speedloss here with VC++. >>>> Just the times for 1000 empty playouts on 9x9, not using any sort of >>>> multithreading: >>>> VS debug configuration: 15257 >>>> VS release config (optimized): 756 >>>> C::B mingw-w64 no optimizations: 498 >>>> C::B mingw-w64 -O3 -fexpensive-optimizations -march=corei7-avx: 108 >>>> >>>> This of course clearly looks as this is certainly my fault... But right >>>> now I can't find what I'm doing wrong here... and so I have to miss out >>>> those handy VS-comfort features and continue with C::B + mingw-w64. >>>> And the VS profiler results looks pretty much like what I got, when I >>>> last used VerySleepy on my code compiled with mingw. No super drastic >>>> bottlenecks just general slowness it seems. >>>> Mingw-w64 makes it impossible to profile the code, but mingw has >>>> performance issues as well for me, so I'm using it only when i need profile >>>> data (not as drastic as VC++, but about factor 3). >>>> >>>> >>>> Are you doing any memory allocation or input/outputs ? If that's the >>> case then you should not start the code with F5 but shift F5 from inside VS. >>> >>> hj. >>> >>> >>> _______________________________________________ >>> Computer-go mailing list >>> [email protected] >>> http://dvandva.org/cgi-bin/mailman/listinfo/computer-go >>> >> >> >> _______________________________________________ >> Computer-go mailing list >> [email protected] >> http://dvandva.org/cgi-bin/mailman/listinfo/computer-go >> > > > _______________________________________________ > Computer-go mailing list > [email protected] > http://dvandva.org/cgi-bin/mailman/listinfo/computer-go >
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