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 * Stephan Behnel (?) -- cython  * Stephan Behnel -- cython

Sage Developer Days 1 (aka Sage Days 8.5)

Cython, Exact Linear Algebra, Parallel Computation, and Porting Sage to Microsoft Windows

ORGANIZERS: Robert Bradshaw, William Stein and Tom Boothby

DATES: June 13-20, 2008

LOCATION: Seattle, Washington

The goal of this "developer coding week" will be to write a huge amount of high quality code. All talks will be squarely aimed at developers and be directly related to coding projects. All participants will assumed to be experienced programmers. The main topics will be: Cython, Exact Linear Algebra, Parallel Computation, and Porting Sage to Windows. However, like with all of Sage development, participants are encouraged to work on whatever they feel will be the most productive way for them to spend their time.

Anybody can participate, but funding will be aimed primarily at people who have demonstrated a substantial ability to contribute to the Sage project. (This is not a general Sage statement -- it's just for this workshop.)

Participants List

People with dates listed have confirmed attendance during those dates.


  • Michael Abshoff (June 13-20) (I will probably work exclusively on the Microsoft Windows port, taking advantage of the physical access to the client and the other people from the porting team)
  • Martin Albrecht (June 12-21)
  • Burcin Erocal (June 13-20) -- exact linear algebra, cython
  • Ralph Peter Weinmann (June 13-20)
  • Stephan Behnel -- cython


  • Nick Alexander (June 13-20)


  • Iftikhar Burhanuddin (June 13-20) -- || computation

  • Craig Citro (June 13-17) -- cython and exact linear algebra
  • Nathan Dunfield (tentative; probably will attend)
  • Gary Furnish (June 13-20) -- cython
  • Dan Gindikin (pnylab.com; Princeton) -- cython
  • Mike Hansen (June 13-20)
  • David Harvey (probably will not attend)
  • David Roe (June 13-20)


  • Tom Boothby (June 13-20)
  • Robert Bradshaw
  • Josh Kantor
  • Emily Kirkman
  • Robert Miller (June 13-20)
  • Bobby Moretti (?)
  • Clement Pernet (June 13-20) -- exact linear algebra
  • Yi Qiang -- distributed sage
  • Dan Shumow (unclear)
  • William Stein (June 13-20) -- everything, but especially exact linear algebra
  • Carl Witty (June 13-20) -- either my proposed randgen framework (random number seed management for Sage) or cylindrical algebraic decomposition (either wrapping qepcad or writing my own implementation).

Main Topics

  • Cython -- something much deeper than usual, and not necessarily so Sage related. Cython is one of the "killer apps" of Sage:

    • expand range of Cython developers (i.e., Robert tells us how to work on Cython).
    • increase documentation
    • future development directions
    • PEX
    • pickling
  • MS Windows -- figure out how to do a full native port of Sage to Windows. Seattle would be a good place for this theme, and I'm working on getting some Microsoft funding to support doing a port.

    • visiting Microsoft and meeting the clients
    • finish the cygwin part
    • teach everyone how to use MSVC
  • Parallel computation in Sage -- DSage, Ipython1, Threads again; sort of like the MSRI conference last year but much more focused on Sage and actual implementations.

  • Exact linear algebra -- perfect to capitalize on Clement Pernet being around, and the positive momentum behind Linbox, IML, etc. There would be a number of talks on all the basic tricks of exact linear algebra, systematic benchmarking, with the goal being to "beat Magma" at a range of exact linear algebra problems.

Hotel information

Back during SD2, William recommend the Seattle University Travelodge:

They have free wifi, are very conveniently located. Their rates are also reasonable. The College Inn (http://www.collegeinnseattle.com/) is also a good choice.

There are some other options here:

NOTE: UW's commencement is June 14th, so many hotels are already booked solid for the weekend and/or unusually expensive for the 13th and 14th.

dev1 (last edited 2008-11-14 13:41:59 by localhost)