Parallel debug tools for Beowulf

[Greg Lindahl]

> well, if you use LAM you can debug in parallel.

Most people don't call N gdb instances to be a "parallel debugger". If that
works for you, great. mpich also has a means to launch a debugger on a given
rank. At 100 nodes, if you don't know which one's going to crash, it doesn't
help you much to have 100 windows.

-- g


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