Changes between Version 8 and Version 9 of dev/optim/logbook


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Timestamp:
Oct 12, 2011, 3:19:43 AM (9 years ago)
Author:
sam
Comment:

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  • dev/optim/logbook

    v8 v9  
    3030   * multiplications are 2.4 times faster
    3131   * divisions are 2.4 times faster (actually fixed in [1017])
     32
     33== 2011/10/12 ==
     34 * [1020] Replace divisions with multiplications in Taylor series expansions: instead of `x+=a/b` we use `x=bx+a` and divide the end result by `b`
     35    * sin() is 3.8 times faster
     36    * exp() is 4.1 times faster