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Using externals in multithreaded applications

Submitted by Emmanuel Stapf on Fri, 06/20/2008 - 20:40.

Using a C/C++ external in an Eiffel system is pretty easy. Simply do a C/C++ inline and provide the arguments to the C/C++ externals.

When transforming the same system into a multithreaded application one has to pay attention to something else: C/C++ externals that may take a long time to execute.

Using blocking qualifier

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Garbage Collection and Virtual Memory

Posted December 4th, 2007 by Andreas Leitner
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This seems to be an interesting read http://lambda-the-ultimate.org/node/2552 . In short GC overhead seems to be acceptable by itself. In combination with virtual memory the GC cause a huge overhead because it constantly pages everything in. Conclusion: garbage collectors have to be aware of virtual memory.

Andreas

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