Antoine Pitrou wrote: > I would like to mention that I've written a patch which enables "threaded > interpretation" on the ceval loop with gcc (*). On my computer (an Athlon X2 > 3600+), it is good for a 15-20% speedup of the interpreter on pystone and > pybench. I also had the opportunity to test it on a Core2-derived CPU, where > it > doesn't make a difference (I conjecture it's because Core2 CPUs have > hardware-based indirect branch optimizations). It will make no difference if > the > interpreter is compiled with something else than gcc (I tested on Windows).
The patch makes use of a GCC feature where labels can be used as values: http://gcc.gnu.org/onlinedocs/gcc/Labels-as-Values.html . I didn't know about the feature and got confused by the unary && operator. A happy new your to you all! Christian _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
