Automatic Relative Debugging of OpenMP Programs

The HPCVL Working Template: A Development Tool for Parallel Programming

This manual explains the structure and usage of the HPCVL Working Template for parallel programming that was developed by Gang Liu. The HPCVL Working Template (in the following abbreviated to HWT) is a set of scripts and routines that provide a simple and portable tool for version maintenance, timing and automatic relative debugging of programs that are designed to run on parallel computers. Th...

Overcoming Distributed Debugging Challenges in the MPI+OpenMP Programming Model

There is a general consensus that exascale computing will employ a wide range of programming models to harness the many levels of architectural parallelism [1], including models to exploit parallelism in CPUs and devices, such as OpenMP. To aid programmers in managing the complexities arising from multiple programming models, debugging tools must enable programmers to identify errors at the lev...

Debugging OpenMP Programs Using Event Manipulation

Static Interprocedural Slicing of Shared Memory Parallel Programs

Software tools for program debugging, software testing, software maintenance, and program understanding have all effectively utilized static program slicing techniques. In this paper, we present an approach to extend this capability to explicitly parallel shared memory programs written using the OpenMP standard. In particular, interprocedural static program slicing of OpenMP programs is enabled...

Empirical Comparison of Filtering Techniques for On-the-fly Data Race Detection in OpenMP Programs

It is a well-known that data races in implicit threading applications, such as OpenMP programs, are the most notorious class of concurrency bugs, because they may lead to unpredictable results of the program. The main drawback of on-the-fly data race detection techniques is the heavy additional overheads for analyzing every memory operations and thread operations, such as load, store, fork, and...