Implementation Techniques for a Parallel Relative Debugger

Authors:
D. Abramson;R. Sosic;C. Watson
Affiliations:
-;-;-
Venue:
PACT '96 Proceedings of the 1996 Conference on Parallel Architectures and Compilation Techniques
Year:
1996

Citing 0
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Abstract

Abstract: This paper discusses a new debugging strategy for parallel programs, called parallel relative debugging. Relative debugging allows a user to compare the execution of one program to another, and this can be used to trace errors. This technique has been found to significantly aid in problem determination. A prototype sequential relative debugger called Guard, has already been constructed and has been used in a number of real world situations. However the control logic it uses is not sufficiently powerful to support the debugging of parallel applications in this paper we describe how dataflow can be used to provide a very rich control mechanism that is well suited to the parallel environment. We illustrate the system by a worked example.