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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Iqbal, N. Siddique, M.A. Henkel, J. |
| Copyright Year | 2010 |
| Description | Author affiliation: Karlsruhe Institute of Technology (KIT), Chair for Embedded Systems, Germany (Iqbal, N.; Siddique, M.A.; Henkel, J.) |
| Abstract | This paper addresses the problem of stochastic task execution time estimation agnostic to the process distributions. The proposed method is orthogonal to the application structure and underlying architecture. We build the time varying state space model of the task execution time. In the case of software pipelined tasks, to refine the estimate quality, the state-space is modeled as Multiple Input Single Output (MISO) system by taking into account the current execution time of the predecessor task. To obtain nearly Bayesian estimates, irrespective of the process distribution, the sequential Monte Carlo method is applied which form the recursive solution to reduce the overheads and comprises of time update and correction steps. We experimented on three different platforms, including multicore, using the time parallelized H.264 decoder: a control dominant computationally demanding application and AES encoder: a pure data flow application. Results show that estimates obtained by our method are superior in quality and are up to 68% better in comparison to others. |
| Starting Page | 1645 |
| Ending Page | 1648 |
| File Size | 401783 |
| Page Count | 4 |
| 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 | Monte Carlo methods Stochastic processes Application software Computer architecture State-space methods Software quality State estimation Bayesian methods Recursive estimation Multicore processing |
| Content Type | Text |
| Resource Type | Article |
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