Ah! But how do you make sure the numbers are uniformly distributed? On Sun, Mar 29, 2015 at 05:58:56PM +0800, [email protected] wrote: > I switched to SFMT [0]. But that was some years ago, there might be faster > options now. > > I also generated it in megabyte batches and consume it from there, generating > a new megabyte as needed. > > Lastly, I had some code to make sure I did not consume more bits of entropy > than required. Two uniform choices, one bit. Three choices: fractional > bits. > > [0] > > http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/SFMT/ > > ??? Remco > > -----Original Message----- > From: folkert <[email protected]> > To: [email protected] > Sent: Sun, 29 Mar 2015 17:50 > Subject: [Computer-go] fast + good RNG > > Hi, > > I measured that std::mt19937_64 (the mersenne twister from the standard > c++ libraries) uses about 40% cpu time during playouts. > > So I wonder: is there a faster prng while still generating good enough > random? > > > Folkert van Heusden > > -- > Nagios user? Check out CoffeeSaint - the versatile Nagios status > viewer! http://www.vanheusden.com/java/CoffeeSaint/ > ---------------------------------------------------------------------- > Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com > _______________________________________________ > Computer-go mailing list > [email protected] > http://computer-go.org/mailman/listinfo/computer-go
> _______________________________________________ > Computer-go mailing list > [email protected] > http://computer-go.org/mailman/listinfo/computer-go Folkert van Heusden -- MultiTail er et flexible tool for å kontrolere Logfiles og commandoer. Med filtrer, farger, sammenføringer, forskeliger ansikter etc. http://www.vanheusden.com/multitail/ ---------------------------------------------------------------------- Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com _______________________________________________ Computer-go mailing list [email protected] http://computer-go.org/mailman/listinfo/computer-go
