Joseph Wakeling wrote:
> Of course, in many cases it's fine to do this in a serial program and I
> often do. I was wondering about the scenario outlined in the discussion
> below, of using one random number generator (or an incremented sequence)
> to generate seeds for the rng's used in the threads. Would it be worth
> doing this in a _serial_ program, generating different seeds for the
> individual runs? Or is it better to stick with one rng for a serial
> program?
Let me clarify what I'm asking here. If I have a program whose form is
basically,
for(i=0;i<N;++i) {
PLAY_GAME(i);
}
analyse_results_of_GAMES();
Then is it better to seed random number generation in this way,
seed_rng(newseed)
for(i=0;i<N;++i) {
PLAY_GAME(i);
}
analyse_results_of_GAMES();
or,
for(i=0;i<N;++i) {
seed_rng(different_seed_each_time);
PLAY_GAME(i);
}
analyse_results_of_GAMES();
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