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| Content Provider | ACM Digital Library |
|---|---|
| Author | Childers, Bruce R. Moore, Ryan W. |
| Abstract | Autonomic multicore systems dynamically adapt themselves in response to run-time conditions and information for a variety of purposes, such as fault tolerance, power conservation, and performance balancing. Multiple application processes must coordinate their efforts and share resources to achieve system goals. In this paper, we present our inflate/deflate programming model for building autonomic processes and systems. The inflate/deflate programming model provides application-specific knowledge and reactions to a central resource coordinator. The central resource coordinator distributes and revokes resources at runtime to achieve a system goal. We discuss the overall design and challenges involved in our model. We test our design for adaptable programs by modifying programs from the PARSEC benchmark suite. The programs are tested in two sample situations to explore the difficulties of modification and the rewards gained. We find that the first modified program (blackscholes) fairly shares CPU time with other system workloads in an energy conservation scenario (up to 50% more efficient than an unmodified blackscholes). The second modified program (dedup) dynamically takes advantage of core resources as they become available (17% faster performance). If no new cores become available, it is able to more efficiently use existing resources (9% faster performance). |
| Starting Page | 228 |
| Ending Page | 237 |
| Page Count | 10 |
| File Format | |
| ISBN | 9781450305754 |
| DOI | 10.1145/1988008.1988041 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2011-05-23 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Multicore computing Run-time adaptation Power management Autonomic systems Run-time heterogeneity |
| Content Type | Text |
| Resource Type | Article |
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