[issue18386] Better random number generator

2013-07-11 Thread Raymond Hettinger

Changes by Raymond Hettinger raymond.hettin...@gmail.com:


--
resolution:  - rejected
status: open - closed

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[issue18386] Better random number generator

2013-07-07 Thread Antoine Pitrou

Antoine Pitrou added the comment:

 If we were to add another generator, I prefer that we add one with
 some completely different characteristics (such as being
 cryptographically strong).  I don't want to take the default generator 
 and periodically switch it out with the flavor of the month (people 
 are always coming up with more PRNGs that make various trade-offs
 between speed, size of stored state, period, etc).

Agreed with Raymond.

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nosy: +pitrou

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[issue18386] Better random number generator

2013-07-06 Thread James Lu

New submission from James Lu:

http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/SFMT/index.html#dSFMT
You might want to use a better algorithm

--
components: Library (Lib)
files: dSFMT-src-2.2.1.zip
messages: 192469
nosy: James.Lu
priority: normal
severity: normal
status: open
title: Better random number generator
versions: Python 3.3
Added file: http://bugs.python.org/file30830/dSFMT-src-2.2.1.zip

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[issue18386] Better random number generator

2013-07-06 Thread James Lu

Changes by James Lu jam...@gmail.com:


--
nosy:  -James.Lu
type:  - enhancement

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[issue18386] Better random number generator

2013-07-06 Thread Christian Heimes

Changes by Christian Heimes li...@cheimes.de:


Removed file: http://bugs.python.org/file30830/dSFMT-src-2.2.1.zip

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[issue18386] Better random number generator

2013-07-06 Thread STINNER Victor

Changes by STINNER Victor victor.stin...@gmail.com:


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nosy: +haypo

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[issue18386] Better random number generator

2013-07-06 Thread Christian Heimes

Christian Heimes added the comment:

Do you want to provide a patch for Python's random module?

PS: Please do not upload files that can easily be downloaded from a 3rd party 
site. It just fills disk space on our server and doesn't provide a benefit for 
us.

--
nosy: +christian.heimes
versions: +Python 3.4 -Python 3.3

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[issue18386] Better random number generator

2013-07-06 Thread Jesús Cea Avión

Changes by Jesús Cea Avión j...@jcea.es:


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nosy: +jcea

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[issue18386] Better random number generator

2013-07-06 Thread Raymond Hettinger

Raymond Hettinger added the comment:

The bar is rather high for changing the current algorithm which is well 
studied, has a long period, and is reasonably fast.  I do not recommend jumping 
straight into making a patch before we get agreement that we really want 
another PRNG when the current one is stable, well-studied, performant, and has 
been working well for its intended purpose.

Note, we guarantee that the current method will always be available, so this 
would be just another option.

If we were to add another generator, I prefer that we add one with some 
completely different characteristics (such as being cryptographically strong).  
I don't want to take the default generator and periodically switch it out with 
the flavor of the month (people are always coming up with more PRNGs that 
make various trade-offs between speed, size of stored state, period, etc).

--
assignee:  - rhettinger
nosy: +rhettinger
priority: normal - low

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