Playing with AVX

I finally took some time from a busy schedule to play with AVX. I took my trusty old rzf code (Riemann Zeta function) and rewrote the time expensive inner loop in AVX primatives hooked to my C code. As a reminder, this code is a very simple sum reduction, and can be trivially parallelized (sum … Read more


The IBM folks have turned the Blue Gene into what they claim is the worlds fastest blast engine. Interesting read. They use our A. thaliana data in the Bioinformatics Benchmark System v3 (BBS) to perform their measurement, as well as data from Aaron Darling for mpiBLAST. Our data had been in a mislabeled file for … Read more