Re: [Python-Dev] opcode dispatch optimization

2009-01-02 Thread Nicolas Trangez
On Wed, 2008-12-31 at 12:51 -0600, Jason Orendorff wrote: > On Wed, Dec 31, 2008 at 11:44 AM, Christian Heimes wrote: > > 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 g

Re: [Python-Dev] opcode dispatch optimization

2008-12-31 Thread Jason Orendorff
On Wed, Dec 31, 2008 at 11:44 AM, Christian Heimes wrote: > 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. Right. SpiderMonkey (Mozil

Re: [Python-Dev] opcode dispatch optimization

2008-12-31 Thread Christian Heimes
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

Re: [Python-Dev] opcode dispatch optimization

2008-12-31 Thread Antoine Pitrou
Antoine Pitrou pitrou.net> writes: > > I would like to mention that I've written a patch which enables "threaded > interpretation" ... and I forgot to give the URL: http://bugs.python.org/issue4753 Regards Antoine. ___ Python-Dev mailing list Pytho

[Python-Dev] opcode dispatch optimization

2008-12-31 Thread Antoine Pitrou
Hello, 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