-
Article
GBench: benchmarking methodology for evaluating the energy efficiency of supercomputers
Recent studies point to power consumption becoming the major design constraint in exascale computing systems. Current scientific benchmarks, such as LINPACK, only evaluate high-performance computing (HPC) syst...
-
Article
Performance characterization of data-intensive kernels on AMD Fusion architectures
The cost of data movement over the PCI Express bus is one of the biggest performance bottlenecks for accelerating data-intensive applications on traditional discrete GPU architectures. To address this bottlene...
-
Article
The Green500 list: escapades to exascale
Energy efficiency is now a top priority. The first four years of the Green500 have seen the importance of energy efficiency in supercomputing grow from an afterthought to the forefront of innovation as we appr...