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Backtracking and re-execution in the automatic debugging of parallelized programs
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Leggett, Peter Hood, Robert Johnson, Stephen Matthews, Gregory |
| Copyright Year | 2002 |
| Description | In this work we describe a new approach using relative debugging to find differences in computation between a serial program and a parallel version of th it program. We use a combination of re-execution and backtracking in order to find the first difference in computation that may ultimately lead to an incorrect value that the user has indicated. In our prototype implementation we use static analysis information from a parallelization tool in order to perform the backtracking as well as the mapping required between serial and parallel computations. |
| File Size | 918779 |
| Page Count | 11 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20020072998 |
| Archival Resource Key | ark:/13960/t9p31tx8s |
| Language | English |
| Publisher Date | 2002-01-01 |
| Access Restriction | Open |
| Subject Keyword | Computer Programming And Software Checkout Parallel Programming Computation Prototypes Program Verification Computers Backups Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
