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HPC Applications Need Massive-Scale Debugging


Rogue Wave Software has announced the beta release of its leading parallel debugger, TotalView 8.13.

This version offers developers access to the scalable architecture used to complete the successful 786,432 core debugging test announced at SC12.

The architecture that set the record for debugging at scale has increased performance over TotalView 8.12 during tests on the latest generation Cray and IBM BlueGene supercomputers as well as Linux-based clusters.



"TotalView 8.13 also adds support for CUDA 5.0 and 5.5, including dynamic parallelism capabilities. This expanded support allows TotalView to work seamlessly with NVIDIA's latest hardware offering, the Kepler K40," said Chris Gottbrath, principal product manager at Rogue Wave. "We encourage vigorous use and [ask for] detailed feedback to help us ensure the solution is stable and responsive for general availability launch."

TotalView 8.13 also expands support for debugging on Intel Xeon Phi coprocessors. Developers can now debug applications running in Xeon Phi symmetric mode with "seamless transitions" when the code shifts between processor and coprocessor.

So then, TotalView's MemoryScape has become the first memory debugging solution available for Xeon Phi applications.



TotalView is described as a "scalable and intuitive" debugger for parallel applications written in C, C++, and Fortran. It provides capabilities for pinpointing and fixing hard-to-find bugs such as race conditions, memory leaks, and memory overruns.

Providing developers with the ability to step freely, both forwards and backwards, through program execution, TotalView's reverse debugging capabilities are supposed to reduce the amount of time invested in troubleshooting code.




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