Quoting Vinzent Hoefler <[EMAIL PROTECTED]>: > The Mersenne Twister Free Pascal uses is one of the best PRNGs known > today, it just has to be used the right way. But calling it from > several threads and "randomly" overwriting its state array is > definitely not the right way to use it.
Well said. Maybe you could use a solution where you call the MT random number generator K times for each time the program is run. You "throw away" the first K-1 random values, and return the K'th random value as the random value for this run. Now, for each run, you compute K as some function of (say) the process id, the current time-based seed from randomize, etc. With this strategy, you would still be picking points off of a good random sequence (from MT), although you would take the random value from a rather poorly-chosen random point in the sequence. If you can afford the time involved in letting K vary over a large range (relative to the number of times you will call the random number generator), then intuitively I think this would give a pretty good random sequence across runs. Jeff Miller _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
