By Alessandro Bassi, Micah Beck, Terry Moore (auth.), Alain Jean-Marie (eds.)
This publication constitutes the refereed complaints of the seventh Asian Computing technological know-how convention, ASIAN 2002, held in Hanoi, Vietnam in December 2002.
The 17 revised complete papers awarded including invited contributions have been rigorously reviewed and chosen from 30 submissions. The convention used to be dedicated to net computing and modeling, grid computing, peer-to-peer platforms, and cluster computing. one of the concerns addressed are scalable infrastructure for international information grids, dispensed checkpointing, checklist coloring, parallel debugging, combinatorial optimization, video on call for servers, caching, grid environments, community enabled servers, multicast verbal exchange, dynamic source allocation, site visitors engineering, path-vector protocols, Web-based web broadcasting, Web-based middleware, and subscription-based web companies.
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Additional info for Advances in Computing Science — ASIAN 2002: Internet Computing and Modeling, Grid Computing, Peer-to-Peer Computing, and Cluster Computing 7th Asian Computing Science Conference Hanoi, Vietnam, December 4–6, 2002 Proceedings
This is called a direct relation because DR2-path is only constructed based on relation among checkpoints on a couple of processes. Direct relation is a extension of the relation in R2-graph by applying transitive characteristic on couple of processes. Shortcut Replay: A Replay Technique for Debugging Long-Running Parallel Programs 43 This means, that if C1, C2, C3 are checkpoints on processes Pp and Pq and DR 2 DR 2 DR 2 (C1 → C2)¾(C2 → C3), then C1 → C3. Lemma 1: There exists an in-transit message of (Cp,x, Cq,y), which is not logged, if and DR 2 DR 2 only if Cp,x → Cq,y or Cq,y → Cp,x.
In contrast, the new shortcut replay method combines checkpointing and debugging techniques. It controls the replayed execution based on the trace data in order to minimize the waiting time during debugging long-running parallel programs. 1 Introduction High Performance Computing (HPC) technologies have been substantially improved in terms of usability and programmability over the last decade. The latest approaches to low-cost HPC computing on clusters of workstations on the one hand, and highperformance, high-throughput computing on computational grids on the other hand , have further pushed the HPC technology into the mainstream market.
The checkpoint file size of this benchmark is the largest among all the four benchmark experiments. Network and I/O contentions dominate the checkpoint overhead. Our SSC scheme performs the best in using a distributed RAID with kernel support of the SIOS. But when using the NFS, the 2 8 configuration performs the worst. This is due to added message logging overhead. From Fig. 7, the MLR for the 2 8 configuration is not much different from the Vaidya scheme with the 1 x 16 configuration. Two times more contention are observed on the 2 8 configuration.