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March 2008 - Posts

Monday, March 31, 2008 6:38 PM

An elf in a box

Many people have a mental model of how computers work that goes something like: "A computer is like a small cardboard box. Inside this box lives an elf. The elf obeys instructions from my program, in the order they are given. Some instructions tell the
Posted by ShawnHargreaves | 7 Comments
Friday, March 14, 2008 4:07 PM

Understanding GPU performance

When C# code runs too slowly, you can profile it to see where the time is being spent. Graphics programmers are not so lucky. If you work for a big commercial studio and have access to an Xbox devkit, the Xbox version of PIX gives nearly as much information
Posted by ShawnHargreaves | 1 Comments
Tuesday, March 04, 2008 8:38 PM

Cubemaps: the salt of computer graphics

"The eating was one of the most horrible things. Excepting the first two days after I entered the asylum, there was no salt for the food." - Nellie Bly Salt is a strange thing. In minute quantities, it makes almost any food taste better. In medium quantities,
Posted by ShawnHargreaves | 11 Comments
Tuesday, March 04, 2008 8:37 PM

Journalists don't understand math

As an Englishman living in Seattle, I am fascinated to watch how America chooses its presidential candidates. The US primary system seems slightly more reasonable than its English equivalent, where a few old party hacks basically just toss dice, but it
Posted by ShawnHargreaves | 4 Comments
 
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