The growth in the number of generally available, distributed, heterogeneous computing
systems places increasing importance on the development of user-friendly tools that enable …

NAND flash memory is a preferred storage media for various platforms ranging from embedded
systems to enterprise-scale systems. Flash devices do not have any mechanical moving …

Understanding workload characteristics is critical for optimizing and improving the
performance of current systems and software, and architecting new storage systems based on …

Unlike hard disks, flash devices use out-of-place updates operations and require a garbage
collection (GC) process to reclaim invalid pages to create free blocks. This GC process is a …

Next generation science will increasingly come to rely on the ability to perform efficient, on-the-fly
analytics of data generated by high-performance computing (HPC) simulations, …

Modern network communication libraries that leverage Remote Directory Memory Access (RDMA)
and OS bypass protocols, such as Infiniband [2] and Myrinet [10] can offer significant …

Infiniband is becoming an important interconnect technology in high performance computing.
Efforts in large scale Infiniband deployments are raising scalability questions in the HPC …

The Oak Ridge Leadership Computing Facility (OLCF) has deployed multiple large-scale
parallel file systems (PFS) to support its operations. During this process, OLCF acquired …

Scheduling multiple jobs onto a platform enhances system utilization by sharing resources.
The benefits from higher resource utilization include reduced cost to construct, operate, and …

While future terabit networks hold the promise of significantly improving big-data motion
among geographically distributed data centers, significant challenges must be overcome even …