The BlueGene/L supercomputer will consist of 65,536 dual-processor compute nodes interconnected by two high-speed networks: a three-dimensional torus network and a tree topology ne...
BlueGene/L is currently the world’s fastest supercomputer. It consists of a large number of low power dual-processor compute nodes interconnected by high speed torus and collect...
Parallel I/O plays a crucial role for most data-intensive applications running on massively parallel systems like Blue Gene/L that provides the promise of delivering enormous comp...
Hao Yu, Ramendra K. Sahoo, C. Howson, G. Almasi, J...
Applications on todays massively parallel supercomputers rely on performance analysis tools to guide them toward scalable performance on thousands of processors. However, conventi...
Hardware performance monitoring is the basis of modern performance analysis tools for application optimization. We are interested in providing such performance analysis tools for t...