We've been picking off small sub-tasks of the Billion Row Challenge, which asks us to summarise a large amount of data as quickly as we can. This time… ...more
A couple of people contacted me with feedback about the SIMD implementation we used to find newlines in the billion-row file. One suggested a possible… ...more
More Jez+Andy coding, working on our gunzip clone. Jez figured out we need to iterate bit by bit through the input, so we write a Biterator to do that… ...more
This is mainly a message to myself. I have spent the last few weeks feeling more and more depressed about "the tech industry". I am sad that social me… ...more
Jez and Andy get together for crazy programming hijinks, trying to figure out from scratch how gzip compressions works, starting by making a valid min… ...more