[issue7946] Convoy effect with I/O bound threads and New GIL

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

Here is another patch based on a slightly different approach. Instead of being explicitly triggered in I/O methods, priority requests are decided based on the computed "interactiveness" of a thread. Interactiveness itself is a simple saturated counter (incremented when the GIL is dropped without request, decremented when the GIL is dropped after a request).

Benchmark numbers are basically the same as with gilprio2.patch.

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Added file: http://bugs.python.org/file16328/gilinter.patch

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