Diff for "sd2-stein-status"

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SAGE Days 2: SAGE: Status Report

A talk for the SAGE Days 2 workshop, by William Stein.

Here are my slides: http://modular.math.washington.edu/talks/2006-10-07-sagedays2/

The purpose of this workshop:
- lots of strategy, planning, brainstorming, etc.
Funding ideas:
- NSF Grants:
  - Computational Math program
  - CSUMS (http://sage.math.washington.edu/grants/stein-csums-06/)
- The SAGE Mathematics Foundation
- Parallel SAGE push
Mercurial revision control system: why? what? how? -- a very quick tour
Python 2.5 (see http://docs.python.org/whatsnew/whatsnew25.html)
- list indices: __index__ method; This means n=2; [1,2,3,4][n] works!!
  - This was implemented by Travis Oliphant (author of NumPy), since NumPy also has specialized integers.
- big lists lists with more than 232 elements now supported
- optimizations -- "Several of the optimizations were developed at the NeedForSpeed sprint, an event held in Reykjavik, Iceland, from May 21-28 2006." E.g., "Exception handling in Python 2.5 is therefore about 30% faster than in 2.4."
- memory -- memory is now freed
- ctypes -- ctypes is included standard
- conditional expressions: x = true_value if condition else false_value
- context managers: relevant to all the discussion about precision lately: http://docs.python.org/whatsnew/pep-343.html
- any and all -- new mathy builtins:

   sage: any(is_prime(x) for x in range(114,125))
   False
   sage: all(is_prime(x) for x in prime_range(50,100))
   True

Recent additions to SAGE:
- GSL: GNU Scientific Library
- Twisted: Networking framework
- Macaulay2: optional package that builds from source
Upcoming events that are relevant to SAGE development:
- October 23-27: I'm speaking about SAGE at an IMA "Software in Algebraic Geometry" in Minnesota later this month.
- Nov 5-11: Me at CCR
- Dec 3-4, 2006: Me at Waterloo
- Jan 29-Feb 2: MSRI Interactive Parallel Computation ---> SAGE
- March 10-14, 2007: Arizona Winter School (I'm at co-organizer). David Savitt (here) is the organizer.
- June 3-8, 2007: Banff workshop on modular forms computation -- I'm an organizer
- July 30-Aug 3, 2007: AIM: Workshop on Modular Forms and L-functions -- I'm an organizer
- Plans:
  - SAGE 2.0: fast arithmetic
  - SAGE 3.0: parallel
  - Along the way: modular forms, elliptic curves, groebner basis, quaternion algebras, etc. -- what people want
- Home improvement -- extreme edition --- Let's build the car!

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-== SAGE Days 2: SAGE Status Report ==
+== SAGE Days 2: SAGE: Status Report ==
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-=== William Stein ===
+A talk for [[days2|the SAGE Days 2 workshop]], by William Stein.

Here are my slides: http://modular.math.washington.edu/talks/2006-10-07-sagedays2/

 * The '''purpose''' of this workshop:
     * lots of strategy, planning, brainstorming, etc.

 * Funding ideas:
     * NSF Grants:
          * Computational Math program
          * CSUMS (http://sage.math.washington.edu/grants/stein-csums-06/)

     * The SAGE Mathematics Foundation

     * Parallel SAGE push

 * Mercurial revision control system: why? what? how? -- a very quick tour

 * Python 2.5 (see http://docs.python.org/whatsnew/whatsnew25.html)
     * '''list indices''': {{{__index__}}} method; This means {{{n=2; [1,2,3,4][n]}}} works!! 
           This was implemented by Travis Oliphant (author of NumPy), since NumPy also has specialized integers.
     * '''big lists''' lists with more than  $2^{32}$  elements now supported
     * '''optimizations''' -- "Several of the optimizations were developed at the NeedForSpeed sprint, an event held in Reykjavik, Iceland, from May 21-28 2006."  E.g., "Exception handling in Python 2.5 is therefore about 30% faster than in 2.4."
     * '''memory''' -- memory is now freed
     * '''ctypes''' -- ctypes is included standard
     * '''conditional expressions''': x = true_value if condition else false_value
     * '''context managers''': relevant to all the discussion about precision lately: http://docs.python.org/whatsnew/pep-343.html
     * '''any and all''' -- new mathy builtins: 
{{{
   sage: any(is_prime(x) for x in range(114,125))
   False
   sage: all(is_prime(x) for x in prime_range(50,100))
   True
}}}

 * Recent additions to SAGE:
     * GSL: GNU Scientific Library
     * Twisted: Networking framework
     * Macaulay2: optional package that builds from source

 * Upcoming events that are relevant to SAGE development:
     * October 23-27: I'm speaking about SAGE at an IMA "Software in Algebraic Geometry" in Minnesota later this month.
     * Nov 5-11: Me at CCR
     * Dec 3-4, 2006: Me at Waterloo
     * Jan 29-Feb 2: MSRI Interactive Parallel Computation ---> SAGE
     * March 10-14, 2007: Arizona Winter School (I'm at co-organizer).  David Savitt (here) is the organizer.
     * June 3-8, 2007: Banff workshop on modular forms computation -- I'm an organizer
     * July 30-Aug 3, 2007: AIM: Workshop on Modular Forms and L-functions -- I'm an organizer
     
  * Plans:
     * SAGE 2.0: fast arithmetic
     * SAGE 3.0: parallel
     * Along the way: modular forms, elliptic curves, groebner basis, quaternion algebras, etc. -- what people want
   
  * Home improvement -- extreme edition --- Let's build the car!