Bug Reports

Send all bug reports, including the source of the failing program, the compile and RTS options and the error message to

hwloidl@dcs.gla.ac.uk

Be sure to add "GranSim Bug" in the subject line.

Earlier versions of GranSim sometimes had problems when using the generational garbage collector (default). If you meet problems with GranSim you can try the following:

• Use the option -Sstderr to get garbage collection messages. This will tell you whether there is any garbage collection going on.
• Increase the heap size. This should give you a hint whether the problem is related to garbage collection at all.
• Try to use the runtime-system options -F2s to force two-space garbage collection. This garbage collector uses more heap than the generational one. Whenever I had problems with a test program before it just went away with this garbage collector.
• Perhaps also use -Z (this omits update frame squeezing; you don't have to worry about what that means, though).

In any case, please report it as a bug to the above address.

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