The Applied Games Group Blog

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  • Blog Post: F# Custom Exceptions

    This post tries to explore exception handling in F# with custom exception types. Some background on .Net exceptions Exceptions happen: "Programs must be able to uniformly handle errors that occur during execution. The common language runtime greatly assists the design of fault-tolerant software...
  • Blog Post: TrueSkill Through Time

    In December 2007, we published a paper about the application of TrueSkill to all recorded data of professional and semi-professional Chess play from 1850 to 2006. The dataset can be obtained from ChessBase . We are very happy to be able to release the F# source code that performed all these massive computations...
  • Blog Post: Lunar Lander Retro Vector XNA 2.0 Game sample written in F#

    While travelling to Microsoft HQ in Redmond earlier in the year for the annual TechFest event - for some fun I decided to have a go at writing a small retro game in F# using XNA 2.0 , and attached are the results. When moving over to Pacific time I usually find myself waking up at 4am for the first few...
  • Blog Post: Composing a video game in F#

    This week it was my opportunity to present a topic for 15 minutes at the MLP group's ritual Tuesday afternoon tea and cakes session (yes - we are based in the UK). I thought it might be fun to knock up a little game with the Microsoft functional programming language F#. With only a few hours to spare...
  • Blog Post: Commercial Users of Functional Programming (CUFP) 2007

    At the beginning of this month (October) I attended and presented at the CUFP event in Freiburg, Germany. The talk was on some of the work our group has been doing over the last year using F# including the XBox 360 title Halo 3 and on predicting ad clicks for Windows Live . The slides (thanks Ralf) are...
  • Blog Post: Statically link with ILMerge

    Today Ralf & I were looking at ways to bundle up a bunch of .Net assemblies into a single assembly for use within our group; the goal to expose only the functionality we want and only need to reference one assembly in our projects. Enter command line app ILMerge by Michael Barnett of Microsoft Research...
  • Blog Post: TrueSkill in F#

    Following the publication of the F# source code for the TrueSkill Through Time paper, we have used the same inference library code to demonstrate how the original TrueSkill algorithm can be coded. In the attached source code, only the program.fs file is different to the TrueSkill through Time blog post...
  • Blog Post: Dealing with Terabytes of Data in F#

    In one of our current projects our algorithms we have to process close to 1 TB ( Terabyte ) of raw (ASCII) logs. Fortunately, the only analysis we need to do is to go once through all the data and collect a small number of statistics per log line (think, for example counting the number of log lines that...