Submission + - K-computer: What made it the fastest in the world? (futurechips.org) 3
AustinAlert writes: The Japanese K-computer supercomputer took the world title for the fastest computer in the world, after the latest TOP500 list was announced Monday morning at the International Supercomputing Conference in Hamburg, Germany. In this article, the author sets out to understand why this computer is fast as well as energy-efficient. Apparently, the microprocessor chips that were used are very energy efficient. Thus, the author, being a microprocessor architect, explores the chip architecture in great depth.
There are five unique features about the Sun VIIIfx processor including ISA extensions, software controlled caches, software predication, a deep pipeline, and a lack of threading. I particularly liked his analysis of why this chip did not do threading. A must read for anyone interested in this kind of stuff!
There are five unique features about the Sun VIIIfx processor including ISA extensions, software controlled caches, software predication, a deep pipeline, and a lack of threading. I particularly liked his analysis of why this chip did not do threading. A must read for anyone interested in this kind of stuff!