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International Parallel and Distributed Processing Symposium (IPDPS'03)
An Approach to Heterogeneous Process State Capture/Recovery to Achieve Minimum Performance Overhead During Normal Execution
Nice, France
April 22-April 26
ISBN: 0-7695-1926-1
Prashanth P. Bungale, The Johns Hopkins University
Swaroop Sridhar, The Johns Hopkins University
Vinay Krishnamurthy, Vidyavardhaka College of Engineering
A major issue of process state capture in heterogeneous computing systems is capture initiation. Current approaches incur significant performance overhead during normal execution of the process (i.e., when state capture/recovery is not being performed) in order to ensure proper initiation of state capture. This is because of their introduction of instructions into the user code, either to poll for a capture request, or to ensure correctness of self-modifying code in the case of a poll-free mechanism. In this paper, we propose a fundamentally new approach to heterogeneous process state capture and recovery that achieves minimum performance overhead during normal execution by obviating the introduction of such instructions. In the case of high-performance computing applications, the performance gain thus achieved — especially within critical loops — would be significant. Also, our solution is suitable for effectively enabling all potential points of equivalence present in a computation if minimal latency is desired.
Index Terms:
Process State Capture/Recovery, Heterogeneous Computing, Checkpointing
Citation:
Prashanth P. Bungale, Swaroop Sridhar, Vinay Krishnamurthy, "An Approach to Heterogeneous Process State Capture/Recovery to Achieve Minimum Performance Overhead During Normal Execution," ipdps, pp.104, International Parallel and Distributed Processing Symposium (IPDPS'03), 2003
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