Re: [Python-Dev] Computed Goto dispatch for Python 2

2015-05-28 Thread Julian Taylor
won't this need python compiled with gcc 5.1 to have any effect? Which compiler version was used for the benchmark? the issue that negated most computed goto improvements (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39284) was only closed very recently (r212172, 9f4ec746affbde1) __

Re: [Python-Dev] Support for Linux perf

2014-11-22 Thread Julian Taylor
On 17.11.2014 23:09, Francis Giraldeau wrote: > Hi, > ... > The PEP-418 is about performance counters, but there is no mention o > Anyway, I think we must change CPython to support tools such as perf. > Any thoughts? > there are some patches available adding systemtap and dtrace probes, which s

Re: [Python-Dev] Status of C compilers for Python on Windows

2014-10-10 Thread Julian Taylor
On 10.10.2014 14:05, Paul Moore wrote: > On 10 October 2014 10:50, Victor Stinner wrote: >> Is MinGW fully compatible with MSVS ABI? I read that it reuses the >> MSVCRT, but I don't know if it's enough. I guess that a full ABI >> compatibility means more than just using the C library, calling >> c

Re: [Python-Dev] sum(...) limitation - temporary elision take 2

2014-08-11 Thread Julian Taylor
On 04.08.2014 22:22, Jim J. Jewett wrote: > > > > Sat Aug 2 12:11:54 CEST 2014, Julian Taylor wrote (in > https://mail.python.org/pipermail/python-dev/2014-August/135623.html ) wrote: > > >> Andrea Griffini wrote: > >>>However sum([[1,2,3],[4

Re: [Python-Dev] sum(...) limitation

2014-08-02 Thread Julian Taylor
On 02.08.2014 08:35, Terry Reedy wrote: > On 8/2/2014 1:57 AM, Allen Li wrote: >> On Fri, Aug 01, 2014 at 02:51:54PM -0700, Guido van Rossum wrote: >>> No. We just can't put all possible use cases in the docstring. :-) >>> >>> >>> On Fri, Aug 1, 2014 at 2:48 PM, Andrea Griffini wrote: >>> >>>

Re: [Python-Dev] [numpy wishlist] Interpreter support for temporary elision in third-party classes

2014-06-06 Thread Julian Taylor
On 06.06.2014 04:26, Greg Ewing wrote: > Nathaniel Smith wrote: > >> I'd be a little nervous about whether anyone has implemented, say, an >> iadd with side effects such that you can tell whether a copy was made, >> even if the object being copied is immediately destroyed. > > I can think of at l

Re: [Python-Dev] [numpy wishlist] Interpreter support for temporary elision in third-party classes

2014-06-06 Thread Julian Taylor
On 06.06.2014 04:18, Sturla Molden wrote: > On 05/06/14 22:51, Nathaniel Smith wrote: > >> This gets evaluated as: >> >> tmp1 = a + b >> tmp2 = tmp1 + c >> result = tmp2 / c >> >> All these temporaries are very expensive. Suppose that a, b, c are >> arrays with N bytes each, and N is l

[Python-Dev] [numpy wishlist] PyMem_*Calloc

2014-04-16 Thread Julian Taylor
.register_alloc = trace_alloc tracercontext.register_free = trace_free tracercontext.data = mycontext PyMem_SetTracer(&tracercontext) Regards, Julian Taylor ___ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/pyt

Re: [Python-Dev] How to fix the incorrect shared library extension on linux for 3.2 and newer?

2013-04-04 Thread Julian Taylor
The values on macos for these variables still look wrong in 3.3.1rc1: ./configure --prefix=/Users/jtaylor/tmp/py3.3.1 --enable-shared on macosx-10.8-x86_64 sys.version_info(major=3, minor=3, micro=1, releaselevel='candidate', serial=1) SO .so EXT_SUFFIX .so SHLIB_SUFFIX 0 the only correct on

Re: [Python-Dev] Suggestion/ feature request

2006-11-26 Thread Julian
> -Original Message- > From: "Martin v. Löwis" [mailto:[EMAIL PROTECTED] > Sent: Tuesday, November 21, 2006 12:22 PM > To: Julian > Cc: python-dev@python.org > Subject: Re: [Python-Dev] Suggestion/ feature request > > Julian schrieb: > > SWIG se

Re: [Python-Dev] Suggestion/ feature request

2006-11-26 Thread Julian
> -Original Message- > From: "Martin v. Löwis" [mailto:[EMAIL PROTECTED] > Sent: Tuesday, November 21, 2006 12:01 AM > To: Julian > Cc: python-dev@python.org > Subject: Re: [Python-Dev] Suggestion/ feature request > > Julian schrieb: > > I am u