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» A Parallel Algorithm for Enumerating Combinations
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TJS
2002
135views more  TJS 2002»
15 years 2 months ago
HPCVIEW: A Tool for Top-down Analysis of Node Performance
Although it is increasingly difficult for large scientific programs to attain a significant fraction of peak performance on systems based on microprocessors with substantial instr...
John M. Mellor-Crummey, Robert J. Fowler, Gabriel ...
SIGMETRICS
2011
ACM
178views Hardware» more  SIGMETRICS 2011»
14 years 9 months ago
Should we worry about memory loss?
In recent years the High Performance Computing (HPC) industry has benefited from the development of higher density multi-core processors. With recent chips capable of executing u...
O. Perks, Simon D. Hammond, S. J. Pennycook, Steph...
138
Voted
PPOPP
2006
ACM
15 years 8 months ago
On-line automated performance diagnosis on thousands of processes
Performance analysis tools are critical for the effective use of large parallel computing resources, but existing tools have failed to address three problems that limit their scal...
Philip C. Roth, Barton P. Miller
151
Voted
TIP
1998
240views more  TIP 1998»
15 years 2 months ago
DCT-based motion estimation
—We propose novel discrete cosine transform (DCT) pseudophase techniques to estimate shift/delay between two onedimensional (1-D) signals directly from their DCT coefficients by...
Ut-Va Koc, K. J. Ray Liu
IPPS
2000
IEEE
15 years 6 months ago
Reduction Optimization in Heterogeneous Cluster Environments
Network of workstation (NOW) is a cost-effective alternative to massively parallel supercomputers. As commercially available off-the-shelf processors become cheaper and faster, ...
Pangfeng Liu, Da-Wei Wang