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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Scholzel, M. |
| Copyright Year | 2010 |
| Description | Author affiliation: Department of Computer Science, Brandenburg University of Technology, Cottbus, Germany (Scholzel, M.) |
| Abstract | This paper describes a hardware-/software-based technique to make the data path of a statically scheduled super scalar processor fault tolerant. The results of concurrently executed operations can be compared with little hardware overhead in order to detect a transient or permanent fault. Furthermore, the hardware extension allows to recover from a fault within one to two clock cycles and to distinguish between transient and permanent faults. If a permanent fault was detected, this fault is masked for the rest of the program execution such that no further time is needed for recovering from that fault. The proposed extensions were implemented in the data path of a simple VLIW processor in order to prove the feasibility and to determine the hardware overhead. Finally a reliability analysis is presented. It shows that for medium and large scaled data paths our extension provides an up to 98% better reliability than triple modular redundancy. |
| Starting Page | 723 |
| Ending Page | 728 |
| File Size | 273487 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424470549 |
| ISSN | 15301591 |
| e-ISBN | 9783981080162 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-03-08 |
| Publisher Place | Germany |
| Access Restriction | Subscribed |
| Rights Holder | European Design Automation Association (EDAA) |
| Subject Keyword | Circuit faults Fault detection Processor scheduling Hardware Clocks VLIW Power system reliability Embedded system Production Application specific processors |
| Content Type | Text |
| Resource Type | Article |
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