Posted in Research on Jan 7th, 2010
Yesterday on StackOverflow, I came across one of those users that kept asking questions, but didn’t really seem to understand much of the responses. Looking at his profile, it turned out he had asked over a hundred questions, but contributed less than ten answers. I won’t be tempted to start about his capabilities of actually [...]
Posted in Research on Nov 8th, 2009
I’ve been wondering what the diversity of knowledge of StackOverflow users would be like. It seemed like an interesting research idea to see how many people have responded only to questions in a very narrow field, and how many others have broader knowledge and can contribute useful answers in more diverse fields. Apparently, there is [...]
Posted in Research on Aug 26th, 2009
While attending a Hot Interconnects talk on supercomputing, I got the following idea. The TOP500 site provides graphs of the number of systems and total performance per interconnect family, which shows an approximate measure of the popularity of the different interconnects. But how do they affect the performance of an individual system? Clearly, a high-performance interconnect [...]
Posted in Research on Jul 5th, 2004
Welcome to the ‘Practical Compressor Test’. Unlike some other compressor comparison sites, I won’t be looking for a compressor offering for the last bit of compression. Instead I’ll try to find the most practical compressor out there. This means compression and decompression times are taken into account, so PAQAR and the like, which can achieve very good compression at [...]