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» New Challenges in Parallel Optimization
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DAC
2010
ACM
13 years 11 months ago
On the costs and benefits of stochasticity in stream processing
With the end of clock-frequency scaling, parallelism has emerged as the key driver of chip-performance growth. Yet, several factors undermine efficient simultaneous use of onchip ...
Raj R. Nadakuditi, Igor L. Markov
PVM
2010
Springer
13 years 6 months ago
Enabling Concurrent Multithreaded MPI Communication on Multicore Petascale Systems
With the ever-increasing numbers of cores per node on HPC systems, applications are increasingly using threads to exploit the shared memory within a node, combined with MPI across ...
Gábor Dózsa, Sameer Kumar, Pavan Bal...
IPPS
2010
IEEE
13 years 6 months ago
A GPU-inspired soft processor for high-throughput acceleration
There is building interest in using FPGAs as accelerators for high-performance computing, but existing systems for programming them are so far inadequate. In this paper we propose...
Jeffrey Kingyens, J. Gregory Steffan
CCGRID
2010
IEEE
12 years 12 months ago
WORKEM: Representing and Emulating Distributed Scientific Workflow Execution State
- Scientific workflows have become an integral part of cyberinfrastructure as their computational complexity and data sizes have grown. However, the complexity of the distributed i...
Lavanya Ramakrishnan, Dennis Gannon, Beth Plale
HPCA
2007
IEEE
14 years 8 months ago
Colorama: Architectural Support for Data-Centric Synchronization
With the advent of ubiquitous multi-core architectures, a major challenge is to simplify parallel programming. One way to tame one of the main sources of programming complexity, n...
Luis Ceze, Pablo Montesinos, Christoph von Praun, ...