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IPPS
2008
IEEE
15 years 4 months ago
Accurately measuring collective operations at massive scale
Accurate, reproducible and comparable measurement of collective operations is a complicated task. Although Different measurement schemes are implemented in wellknown benchmarks, m...
Torsten Hoefler, Timo Schneider, Andrew Lumsdaine
IPPS
1996
IEEE
15 years 1 months ago
Self-Timed Resynchronization: A Post-Optimization for Static Multiprocessor Schedules
In a shared-memory multiprocessor system, it is possible that certain synchronization operations are redundant -that is, their corresponding sequencing requirements are enforced c...
Shuvra S. Bhattacharyya, Sundararajan Sriram, Edwa...
PC
2007
128views Management» more  PC 2007»
14 years 9 months ago
Optimizing a conjugate gradient solver with non-blocking collective operations
This paper presents a case study about the applicability and usage of non blocking collective operations. These operations provide the ability to overlap communication with computa...
Torsten Hoefler, Peter Gottschling, Andrew Lumsdai...
CLUSTER
2011
IEEE
13 years 9 months ago
Performance Characterization and Optimization of Atomic Operations on AMD GPUs
—Atomic operations are important building blocks in supporting general-purpose computing on graphics processing units (GPUs). For instance, they can be used to coordinate executi...
Marwa Elteir, Heshan Lin, Wu-chun Feng
PPOPP
1997
ACM
15 years 1 months ago
Effective Fine-Grain Synchronization for Automatically Parallelized Programs Using Optimistic Synchronization Primitives
As shared-memory multiprocessors become the dominant commodity source of computation, parallelizing compilers must support mainstream computations that manipulate irregular, point...
Martin C. Rinard