Fuzzyman: > IronPython is *definitely* not restricted by the GIL.
IronPython is currently mostly slower than CPython although the particular problem should be tested to see if IronPython helps. Some recent benchmarks between IronPython and CPython: http://sparcs.kaist.ac.kr/~tinuviel/pybench/ Neil -- http://mail.python.org/mailman/listinfo/python-list