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## Re: [Help-gsl] Re: C/C++ speed optimization bible/resources/pointers nee

**From**: |
Jochen Küpper |

**Subject**: |
Re: [Help-gsl] Re: C/C++ speed optimization bible/resources/pointers needed, and about using GSL... |

**Date**: |
Fri, 27 Jul 2007 17:21:40 +0200 |

`Twice as many floats vectorize per operation as doubles. Thus it
``goes twice as fast. How much more evidence do you require?
`

`Personally I do not need any -- I have to use double for precision
``needs. Matrices are just to big and calculation paths too long.
`Sometimes I wish I had a 16-byte-double Cray...

`ICC is "free as in beer" for non-commercial use. If you're not
``selling your software compiled with ICC, you can use it free of
``charge.
`

This is not true.

`For research in pure science, which is about non-commercial as it
``gets, you are not allowed to use it -- because its your profession
``and you are paid for it.
`

`Again, it is fair from Intel to put up the line themselves, but
``please do not claim something is free when it is not.
`
Greetings,
Jochen
--

`Einigkeit und Recht und Freiheit http://www.Jochen-
``Kuepper.de
` Liberté, Égalité, Fraternité GnuPG key: CC1B0B4D
Sex, drugs and rock-n-roll

**
**`PGP.sig`

*Description:* This is a digitally signed message part

**[Help-gsl] C/C++ speed optimization bible/resources/pointers needed, and about using GSL...**, *Michael*, `2007/07/27`
**Re: [Help-gsl] C/C++ speed optimization bible/resources/pointers needed, and about using GSL...**, *Gordan Bobic*, `2007/07/27`
**[Help-gsl] Re: C/C++ speed optimization bible/resources/pointers needed, and about using GSL...**, *Lionel B*, `2007/07/27`
**Re: [Help-gsl] Re: C/C++ speed optimization bible/resources/pointers needed, and about using GSL...**, *Gordan Bobic*, `2007/07/27`
**Re: [Help-gsl] Re: C/C++ speed optimization bible/resources/pointers needed, and about using GSL...**, *Jochen Küpper*, `2007/07/27`
**Re: [Help-gsl] Re: C/C++ speed optimization bible/resources/pointers needed, and about using GSL...**, *Gordan Bobic*, `2007/07/27`
**Re: [Help-gsl] Re: C/C++ speed optimization bible/resources/pointers needed, and about using GSL...**,
*Jochen Küpper* **<=**
**Re: [Help-gsl] Re: C/C++ speed optimization bible/resources/pointers needed, and about using GSL...**, *Gordan Bobic*, `2007/07/27`
**Re: [Help-gsl] Re: C/C++ speed optimization bible/resources/pointers needed, and about using GSL...**, *Marc Baaden*, `2007/07/27`