Re: [Python-Dev] Reworking the GIL

2009-11-23 Thread Stefan Ring
Hello, I built something very similar for my company last year, and it’s been running flawlessly in production at a few customer sites since, with avg. CPU usage ~50% around the clock. I even posted about it on the Python mailing list [1] where there was almost no resonance at that time. I never p

Re: [Python-Dev] Reworking the GIL

2009-11-23 Thread Nick Coghlan
Stefan Ring wrote: > [2] http://www.bestinclass.dk/index.php/2009/10/python-vs-clojure-evolving/ > [3] www.dabeaz.com/python/GIL.pdf > > PS On a slightly different note, I came across some Python bashing [2] > yesterday > and somehow from there to David Beazley’s presentation about the GIL [3].

Re: [Python-Dev] Removal of intobject.h in 3.1

2009-11-23 Thread M.-A. Lemburg
Eric Smith wrote: > M.-A. Lemburg wrote: >> Since package developers are just starting to port things to 3.x and >> many appear to be considering supporting both 2.7 and 3.1 (including >> myself), I find it a bit strange that such an import aliasing header >> was removed in 3.1. > > There's some d

Re: [Python-Dev] Removal of intobject.h in 3.1

2009-11-23 Thread M.-A. Lemburg
"Martin v. Löwis" wrote: >> IMHO, that's not really a good way to encourage people to try to provide >> a smooth upgrade to the 3.x branch. Much to the contrary. 3.x should make >> it easier for developers by providing more standard helpers like >> the removed intobject.h header file. > > I think

Re: [Python-Dev] Reworking the GIL

2009-11-23 Thread Stefan Ring
> I built something very similar for my company last year, and it’s been running > flawlessly in production at a few customer sites since, with avg. CPU usage > ~50% > around the clock. I even posted about it on the Python mailing list [1] where > there was almost no resonance at that time. I neve

Re: [Python-Dev] Removal of intobject.h in 3.1

2009-11-23 Thread Martin v. Löwis
> In an ideal world, developers would add that code to their > extensions right away. In the real world, where developers only > have limited resources available, you'll get more 3.x ports > by making such ports as painless as possible while at the > same time not forcing them to alienate their 2.x

Re: [Python-Dev] Removal of intobject.h in 3.1

2009-11-23 Thread Mark Dickinson
On Mon, Nov 23, 2009 at 10:44 AM, M.-A. Lemburg wrote: > Thanks for pointing me to the that ticket. > > Looks like Guido already commented on this, so intobject.h could > be revived in some form. I'm wondering how a resurrected intobject.h should be used: would Linux distributors (for example) p

Re: [Python-Dev] Removal of intobject.h in 3.1

2009-11-23 Thread M.-A. Lemburg
Mark Dickinson wrote: > On Mon, Nov 23, 2009 at 10:44 AM, M.-A. Lemburg wrote: >> Thanks for pointing me to the that ticket. >> >> Looks like Guido already commented on this, so intobject.h could >> be revived in some form. > > I'm wondering how a resurrected intobject.h should be used: would >

Re: [Python-Dev] Removal of intobject.h in 3.1

2009-11-23 Thread Antoine Pitrou
M.-A. Lemburg egenix.com> writes: > > We could then also have a py2compat.c to hold corresponding > C code, e.g. to provide compatibility wrappers of new APIs that > implement different semantics in 3.x. If the semantic differences are embodied in the builtin object types I wonder how you can ma

Re: [Python-Dev] Removal of intobject.h in 3.1

2009-11-23 Thread Martin v. Löwis
> I'm not sure concealing the differences between 2.x and 3.x behind such a > wrapper is a good idea. It would be better if people became aware of / learnt > about the new semantics. +1. When porting a larger code base, I always came up with a custom set of macros, specific to the way the modules