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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Yunfei Du Panfeng Wang Hongyi Fu Jia Jia Haifang Zhou Xuejun Yang |
| Copyright Year | 2007 |
| Description | Author affiliation: Nat. Univ. of Defense Technol., Changsha (Yunfei Du; Panfeng Wang; Hongyi Fu; Jia Jia; Haifang Zhou; Xuejun Yang) |
| Abstract | As the size of today's high performance computers continue to grow, node failures in these computers are becoming frequent events. Although checkpoint is the typical technique to tolerate such failures, it often introduces a considerable overhead and has shown poor scalability on today's large scale systems. In this paper we defined a new term called fault tolerant parallel algorithm which means that the algorithm gets the correct answer despite the failure of nodes. The fault tolerance approach in which the data of failed processes is recovered by modifying applications to recompute on all surviving processes is checkpoint-free. In particular, if no failure occurs, the fault tolerant parallel algorithms are the same as the original algorithms. We show the practicality of this technique by applying it to parallel dense matrix-matrix multiplication and Gaussian elimination to tolerate single process failure. Experimental results demonstrate that a process failure can be tolerated with a good scalability for the two fault tolerant parallel algorithms and the proposed fault tolerant parallel dense matrix-matrix multiplication is able to survive process failure with a very low performance overhead. The main drawback of this approach is non-transparent and algorithm-dependent. |
| Starting Page | 285 |
| Ending Page | 290 |
| File Size | 336811 |
| Page Count | 6 |
| File Format | |
| ISBN | 9780769529837 |
| DOI | 10.1109/CIT.2007.27 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2007-10-16 |
| Publisher Place | Japan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Concurrent computing Fault tolerance Distributed processing High performance computing Scalability Laboratories Hardware Parallel algorithms Distributed computing Information technology |
| Content Type | Text |
| Resource Type | Article |
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