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Re: Fast random numbers

From: Max Görner
Subject: Re: Fast random numbers
Date: Mon, 25 Jul 2016 10:08:12 +0200
User-agent: Mutt/1.6.0 (2016-04-01)

Thank you for your fast reply. Below you can find a script showing two scenarios. The script also shows that the runtime is not due to memory assignment or writing.

   #!/usr/bin/octave --no-init-file
n = 4.6E7;
   k = 0.72*n;
   tic(); randperm(n, k); toc() #1.7 seconds
   tic(); 1337 + zeros(1, k); toc() #0.2 seconds
n = 10000;
   tic(); rand(n); toc() #1.7
   tic(); 1337 + zeros(n); toc() #0.7


Max Görner


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