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Tuesday, September 16, 2008 2:14 PM

F# Performance Tweaking

Jomo Fisher—I’ve enjoyed reading the blog series on F# and game development here . Joh had posted an example of F# of using RK4 and showed some performance numbers comparing F# to C++ and OCaml. Don Syme had been reading too and asked if anyone on the
Posted by Jomo Fisher | 5 Comments
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Wednesday, September 19, 2007 3:55 PM

Adventures in F#--Tail Recursion in Three Languages

Jomo Fisher—Here’s the F# I'm looking at today: #light let rec f n = do printf "%d\n" n f (n+1) f 1 This defines a recursive function 'f' that takes a value 'n' as a parameter. This function prints the value of n to the console and then calls itself with
Posted by Jomo Fisher | 12 Comments
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Monday, August 13, 2007 5:00 PM

Probing a Hidden .NET Runtime Performance Enhancement

Jomo Fisher--Matt Warren once told me that the runtime had a performance optimization involving calling methods through an interface. If you only had a small number of implementations of a particular interface method the runtime could optimize the overhead
Posted by Jomo Fisher | 8 Comments
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Friday, July 06, 2007 11:42 AM

LINQ to SQL Beta2 Performance Numbers and the Dynamic Compilation Pattern

Jomo Fisher--Rico Mariani has been posting about LINQ to SQL perfomance and has finally posted the performance numbers for Beta2: http://blogs.msdn.com/ricom/archive/2007/07/05/dlinq-linq-to-sql-performance-part-4.aspx One of the tricks Rico and Matt
Posted by Jomo Fisher | 1 Comments
Monday, June 25, 2007 1:48 PM

Why Symmetric Multicore is a Dead End for PCs

Jomo Fisher--There are two kinds of programming problems—those that can run in parallel and those that can’t. There’s no special sauce that can turn an inherently serial problem into an efficient parallel algorithm. Today’s top-end desktop has eight cores
Posted by Jomo Fisher | 12 Comments
Wednesday, March 28, 2007 3:37 PM

Fast Switching with LINQ

Jomo Fisher—I’ve run into a performance problem several times in my career that I’ve never found a truly satisfying answer for until now. The problem can be distilled down to this: Look up a value based on a string key. The set of strings is fixed and
Posted by Jomo Fisher | 33 Comments
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Attachment(s): SwitchCompiler.cs
 
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