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IPPS
2009
IEEE
10 years 1 months ago
Handling OS jitter on multicore multithreaded systems
Various studies have shown that OS jitter can degrade parallel program performance considerably at large processor counts. Most sources of system jitter fall broadly into 5 catego...
Pradipta De, Vijay Mann, Umang Mittaly
IPPS
2009
IEEE
10 years 1 months ago
Optimizing assignment of threads to SPEs on the cell BE processor
The Cell is a heterogeneous multicore processor that has attracted much attention in the HPC community. The bulk of the computational workload on the Cell processor is carried by ...
C. Devi Sudheer, T. Nagaraju, Pallav K. Baruah, As...
IPPS
2009
IEEE
10 years 1 months ago
Throughput-fairness tradeoff in Best Effort flow control for on-chip architectures
We consider two flow control schemes for Best Effort traffic in on-chip architectures, which can be deemed as the solutions to the boundary extremes of a class of utility maximi...
Fahimeh Jafari, Mohammad Sadegh Talebi, Mohammad H...
IPPS
2009
IEEE
10 years 1 months ago
Early experiences on accelerating Dijkstra's algorithm using transactional memory
In this paper we use Dijkstra’s algorithm as a challenging, hard to parallelize paradigm to test the efficacy of several parallelization techniques in a multicore architecture....
Nikos Anastopoulos, Konstantinos Nikas, Georgios I...
IPPS
2009
IEEE
10 years 1 months ago
Taking the heat off transactions: Dynamic selection of pessimistic concurrency control
In this paper we investigate feedback-directed dynamic selection between different implementations of atomic blocks. We initially execute atomic blocks using STM with optimistic c...
Nehir Sönmez, Tim Harris, Adrián Crist...
IPPS
2009
IEEE
10 years 1 months ago
Performance projection of HPC applications using SPEC CFP2006 benchmarks
Performance projections of High Performance Computing (HPC) applications onto various hardware platforms are important for hardware vendors and HPC users. The projections aid hard...
Sameh Sharkawi, Don DeSota, Raj Panda, Rajeev Indu...
IPPS
2009
IEEE
10 years 1 months ago
The Weak Mutual Exclusion problem
In this paper we define the Weak Mutual Exclusion (WME) problem. Analogously to classical Distributed Mutual Exclusion (DME), WME serializes the accesses to a shared resource. Di...
Paolo Romano, Luís Rodrigues, Nuno Carvalho
IPPS
2009
IEEE
10 years 1 months ago
Core-aware memory access scheduling schemes
Multi-core processors have changed the conventional hardware structure and require a rethinking of system scheduling and resource management to utilize them efficiently. However, ...
Zhibin Fang, Xian-He Sun, Yong Chen, Surendra Byna
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