The Roofline performance model provides an intuitive and insightful approach to identifying
performance bottlenecks and guiding performance optimization. In preparation for the next …

Heterogeneous memory will be involved in several upcoming platforms on the way to
exascale. Combining technologies such as HBM, DRAM and/or NVDIMM allows to tackle …

Hardware accelerators have become a de-facto standard to achieve high performance on
current supercomputers and there are indications that this trend will increase in the future …

Summary Intel's Xeon Phi combines the parallel processing power of a many‐core
accelerator with the programming ease of CPUs. In this paper, we present a survey of works …

Over the past decades, the performance gap between the memory subsystem and compute
capabilities continued to spread. However, scientific applications and simulations show …

Can cloud computing infrastructures provide HPC-competitive performance for scientific
applications broadly? Despite prolific related literature, this question remains open. Answers …

Emerging many-core CPU architectures with high degrees of single-instruction, multiple
data (SIMD) parallelism promise to enable increasingly ambitious simulations based on …

Heterogenous memory systems that consist of multiple memory technologies are becoming
common in high-performance computing environments. Modern processors and …

POSIX-based parallel file systems provide strong consistency semantics, which many
modern HPC applications do not need and do not want. Object store technologies avoid …

High-bandwidth memory (HBM) gives an additional opportunity for hardware performance
benefits. The high available bandwidth compared to regular DRAM allows execution of …