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Re: OT: This Swift thing

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From Terry Reedy <tjreedy@udel.edu>
Subject Re: OT: This Swift thing
Date Fri, 06 Jun 2014 13:06:13 -0400
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On 6/6/2014 7:11 AM, Alain Ketterlin wrote:
> Terry Reedy <tjreedy@udel.edu> writes:
>
>> On 6/5/2014 4:07 PM, Alain Ketterlin wrote:
>>
>>>> When I compile Cython modules I use LLVM on this computer.
>>>
>>> Cython is not Python, it is another language, with an incompatible
>>> syntax.
>>
>> Cython compiles Python with optional extensions that allow additional
>> speed ups over compiling Python as is. In other word, the Cython
>> language is a Python superset.

I am assuming here that the claim to have reached this goal is correct.

> You're right. What I question is the fact that anybody uses Cython
> without the additional syntax. There is little chance that a "pure"
> Python program will see any significant speedup when compiled with

I believe the Cython author has claimed a 2x-5x speedup for stdlib 
modules when compiled 'as is'.

> Cython (or, if it does, it means that the "canonical" Python interpreter
> has some sub-optimal behavior that will, eventually, be corrected).

I believe that there is some inherent overhead that Cython bypasses.

-- 
Terry Jan Reedy

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OT: This Swift thing Sturla Molden <sturla.molden@gmail.com> - 2014-06-03 17:28 +0000
  Re: OT: This Swift thing Alain Ketterlin <alain@dpt-info.u-strasbg.fr> - 2014-06-05 10:14 +0200
    Re: OT: This Swift thing Chris Angelico <rosuav@gmail.com> - 2014-06-05 18:38 +1000
      Re: OT: This Swift thing Alain Ketterlin <alain@dpt-info.u-strasbg.fr> - 2014-06-05 11:42 +0200
        Re: OT: This Swift thing Chris Angelico <rosuav@gmail.com> - 2014-06-05 22:48 +1000
          Re: OT: This Swift thing Alain Ketterlin <alain@dpt-info.u-strasbg.fr> - 2014-06-05 22:27 +0200
            Re: OT: This Swift thing Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-06-05 22:28 +0100
            Re: OT: This Swift thing Sturla Molden <sturla.molden@gmail.com> - 2014-06-05 23:03 +0000
              Re: OT: This Swift thing Alain Ketterlin <alain@dpt-info.u-strasbg.fr> - 2014-06-06 13:21 +0200
                Re: OT: This Swift thing Sturla Molden <sturla.molden@gmail.com> - 2014-06-07 01:54 +0000
                Re: OT: This Swift thing Alain Ketterlin <alain@dpt-info.u-strasbg.fr> - 2014-06-07 10:20 +0200
                Re: OT: This Swift thing Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-06-07 09:32 +0100
                Re: OT: This Swift thing Alain Ketterlin <alain@dpt-info.u-strasbg.fr> - 2014-06-07 11:54 +0200
                Re: OT: This Swift thing Johannes Bauer <dfnsonfsduifb@gmx.de> - 2014-06-15 10:55 +0200
                Re: OT: This Swift thing Roy Smith <roy@panix.com> - 2014-06-07 08:52 -0400
                Re: OT: This Swift thing Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-06-07 11:13 -0400
                Re: OT: This Swift thing Roy Smith <roy@panix.com> - 2014-06-07 11:54 -0400
                Re: OT: This Swift thing Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-06-07 17:10 -0400
                Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-07 23:32 +0000
            Re: OT: This Swift thing Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-06-06 00:41 +0100
            Re: OT: This Swift thing Sturla Molden <sturla.molden@gmail.com> - 2014-06-06 01:54 +0200
              Re: OT: This Swift thing Roy Smith <roy@panix.com> - 2014-06-05 20:13 -0400
                Re: OT: This Swift thing Sturla Molden <sturla.molden@gmail.com> - 2014-06-06 02:35 +0200
              Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-06 05:45 +0000
              Re: OT: This Swift thing Alain Ketterlin <alain@dpt-info.u-strasbg.fr> - 2014-06-06 13:39 +0200
                Re: OT: This Swift thing Sturla Molden <sturla.molden@gmail.com> - 2014-06-07 01:54 +0000
            Re: OT: This Swift thing Sturla Molden <sturla.molden@gmail.com> - 2014-06-06 02:03 +0200
    Re: OT: This Swift thing wxjmfauth@gmail.com - 2014-06-05 02:09 -0700
    Re: OT: This Swift thing Sturla Molden <sturla.molden@gmail.com> - 2014-06-05 16:10 +0200
      Re: OT: This Swift thing Alain Ketterlin <alain@dpt-info.u-strasbg.fr> - 2014-06-05 22:07 +0200
        Re: OT: This Swift thing Chris Angelico <rosuav@gmail.com> - 2014-06-06 06:18 +1000
          Re: OT: This Swift thing Alain Ketterlin <alain@dpt-info.u-strasbg.fr> - 2014-06-05 23:12 +0200
            Re: OT: This Swift thing Sturla Molden <sturla.molden@gmail.com> - 2014-06-05 23:02 +0000
        Re: OT: This Swift thing Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-06-05 22:23 +0100
          Re: OT: This Swift thing Marko Rauhamaa <marko@pacujo.net> - 2014-06-06 00:53 +0300
            Re: OT: This Swift thing Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-06-05 23:13 +0100
              Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-06 02:52 +0000
            Re: OT: This Swift thing Johannes Bauer <dfnsonfsduifb@gmx.de> - 2014-06-15 11:33 +0200
              Re: OT: This Swift thing Marko Rauhamaa <marko@pacujo.net> - 2014-06-15 16:10 +0300
        Re: OT: This Swift thing Chris Angelico <rosuav@gmail.com> - 2014-06-06 07:36 +1000
          Re: OT: This Swift thing Alain Ketterlin <alain@dpt-info.u-strasbg.fr> - 2014-06-06 13:20 +0200
            Re: OT: This Swift thing Chris Angelico <rosuav@gmail.com> - 2014-06-06 22:23 +1000
            Re: OT: This Swift thing Christian Gollwitzer <auriocus@gmx.de> - 2014-06-07 09:30 +0200
        Re: OT: This Swift thing Terry Reedy <tjreedy@udel.edu> - 2014-06-05 18:18 -0400
          Re: OT: This Swift thing Alain Ketterlin <alain@dpt-info.u-strasbg.fr> - 2014-06-06 13:11 +0200
            Re: OT: This Swift thing Terry Reedy <tjreedy@udel.edu> - 2014-06-06 13:06 -0400
            Re: OT: This Swift thing alex23 <wuwei23@gmail.com> - 2014-06-10 15:32 +1000
        Re: OT: This Swift thing Sturla Molden <sturla.molden@gmail.com> - 2014-06-05 23:02 +0000
        Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-05 23:08 +0000
        Re: OT: This Swift thing Sturla Molden <sturla.molden@gmail.com> - 2014-06-05 23:08 +0000
        Re: OT: This Swift thing Chris Angelico <rosuav@gmail.com> - 2014-06-06 09:21 +1000
          Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-06 03:16 +0000
            Re: OT: This Swift thing Chris Angelico <rosuav@gmail.com> - 2014-06-06 13:27 +1000
    Re: OT: This Swift thing Michael Torrie <torriem@gmail.com> - 2014-06-05 08:33 -0600
    Re: OT: This Swift thing Chris Angelico <rosuav@gmail.com> - 2014-06-06 01:44 +1000
    Re: OT: This Swift thing Sturla Molden <sturla.molden@gmail.com> - 2014-06-05 18:09 +0200
    Re: OT: This Swift thing Michael Torrie <torriem@gmail.com> - 2014-06-05 11:18 -0600
      Re: OT: This Swift thing Mark H Harris <harrismh777@gmail.com> - 2014-06-05 13:49 -0500
    Re: OT: This Swift thing Travis Griggs <travisgriggs@gmail.com> - 2014-06-05 23:28 -0700
      Re: OT: This Swift thing Alain Ketterlin <alain@dpt-info.u-strasbg.fr> - 2014-06-06 10:25 +0200
    Re: OT: This Swift thing Michael Torrie <torriem@gmail.com> - 2014-06-06 20:41 -0600
      Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-07 04:57 +0000
        Re: OT: This Swift thing Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-06-07 11:23 -0400
          Re: OT: This Swift thing Roy Smith <roy@panix.com> - 2014-06-07 11:51 -0400
            Re: OT: This Swift thing Marko Rauhamaa <marko@pacujo.net> - 2014-06-07 19:18 +0300
              Re: OT: This Swift thing MRAB <python@mrabarnett.plus.com> - 2014-06-08 15:10 +0100
        Re: OT: This Swift thing Michael Torrie <torriem@gmail.com> - 2014-06-07 11:37 -0600
          Re: OT: This Swift thing Roy Smith <roy@panix.com> - 2014-06-07 14:11 -0400
            Re: OT: This Swift thing Michael Torrie <torriem@gmail.com> - 2014-06-07 13:00 -0600
              Re: OT: This Swift thing Roy Smith <roy@panix.com> - 2014-06-07 15:11 -0400
            Re: OT: This Swift thing Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-06-07 17:59 -0400
              Re: OT: This Swift thing Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-06-08 13:25 +1200
            Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-07 23:38 +0000
              Re: OT: This Swift thing Roy Smith <roy@panix.com> - 2014-06-07 20:09 -0400
                Re: OT: This Swift thing Chris Angelico <rosuav@gmail.com> - 2014-06-08 10:37 +1000
                Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-08 03:50 +0000
                Re: OT: This Swift thing Roy Smith <roy@panix.com> - 2014-06-08 10:51 -0400
                Re: OT: This Swift thing Gene Heskett <gheskett@wdtv.com> - 2014-06-08 11:21 -0400
                Re: OT: This Swift thing Roy Smith <roy@panix.com> - 2014-06-08 12:09 -0400
                Re: OT: This Swift thing Gene Heskett <gheskett@wdtv.com> - 2014-06-08 13:14 -0400
                Re: OT: This Swift thing Chris Angelico <rosuav@gmail.com> - 2014-06-09 03:25 +1000
                Re: OT: This Swift thing Sturla Molden <sturla.molden@gmail.com> - 2014-06-08 18:09 +0000
                Re: OT: This Swift thing Chris Angelico <rosuav@gmail.com> - 2014-06-09 04:16 +1000
                Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-09 01:44 +0000
                Re: OT: This Swift thing Rustom Mody <rustompmody@gmail.com> - 2014-06-08 19:24 -0700
                Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-09 04:20 +0000
                Re: OT: This Swift thing Rustom Mody <rustompmody@gmail.com> - 2014-06-08 23:32 -0700
                Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-09 09:27 +0000
                Re: OT: This Swift thing Rustom Mody <rustompmody@gmail.com> - 2014-06-09 04:51 -0700
                Re: OT: This Swift thing Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-06-11 19:41 +1200
                Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-11 13:44 +0000
                Re: OT: This Swift thing Rustom Mody <rustompmody@gmail.com> - 2014-06-11 08:28 -0700
                Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-12 02:08 +0000
                Re: OT: This Swift thing Chris Angelico <rosuav@gmail.com> - 2014-06-12 12:16 +1000
                Re: OT: This Swift thing Steven D'Aprano <steve@pearwood.info> - 2014-06-12 09:06 +0000
                Re: OT: This Swift thing alister <alister.nospam.ware@ntlworld.com> - 2014-06-12 09:34 +0000
                Re: OT: This Swift thing Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-06-12 23:32 +1200
                Re: OT: This Swift thing Anssi Saari <as@sci.fi> - 2014-06-16 13:57 +0300
                Re: OT: This Swift thing Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-06-17 10:12 +1200
                Re: OT: This Swift thing Chris Angelico <rosuav@gmail.com> - 2014-06-17 08:34 +1000
                Re: OT: This Swift thing alister <alister.nospam.ware@ntlworld.com> - 2014-06-17 11:16 +0000
                Re: OT: This Swift thing Bob Martin <bob.martin@excite.com> - 2014-06-18 07:41 +0100
                Re: OT: This Swift thing Rustom Mody <rustompmody@gmail.com> - 2014-06-12 05:54 -0700
                Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-12 17:04 +0000
                Re: OT: This Swift thing Chris Angelico <rosuav@gmail.com> - 2014-06-13 03:18 +1000
                Re: OT: This Swift thing Rustom Mody <rustompmody@gmail.com> - 2014-06-12 18:59 -0700
                Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-13 03:26 +0000
                Re: OT: This Swift thing Gene Heskett <gheskett@wdtv.com> - 2014-06-12 14:43 -0400
                Re: OT: This Swift thing albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-06-27 23:21 +0000
                Re: OT: This Swift thing Joshua Landau <joshua@landau.ws> - 2014-06-15 02:51 +0100
                Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-15 03:33 +0000
                Re: OT: This Swift thing Gene Heskett <gheskett@wdtv.com> - 2014-06-09 10:11 -0400
                Re: OT: This Swift thing Marko Rauhamaa <marko@pacujo.net> - 2014-06-09 17:27 +0300
                Re: OT: This Swift thing Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-06-11 18:56 +1200
                Re: OT: This Swift thing Roy Smith <roy@panix.com> - 2014-06-09 09:14 -0400
                Re: OT: This Swift thing Michael Torrie <torriem@gmail.com> - 2014-06-09 07:56 -0600
                Re: OT: This Swift thing Marko Rauhamaa <marko@pacujo.net> - 2014-06-09 17:30 +0300
                Re: OT: This Swift thing Rustom Mody <rustompmody@gmail.com> - 2014-06-08 19:35 -0700
                Re: OT: This Swift thing Chris Angelico <rosuav@gmail.com> - 2014-06-09 12:23 +1000
                Re: OT: This Swift thing Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-06-11 19:50 +1200
                Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-11 12:34 +0000
                Re: OT: This Swift thing Roy Smith <roy@panix.com> - 2014-06-11 08:48 -0400
                Re: OT: This Swift thing Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-06-11 20:17 -0400
                Re: OT: This Swift thing Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-12 01:25 +0000
                Re: OT: This Swift thing Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-06-12 14:11 +1200
                Re: OT: This Swift thing Gene Heskett <gheskett@wdtv.com> - 2014-06-11 23:06 -0400
                Re: OT: This Swift thing Roy Smith <roy@panix.com> - 2014-06-13 08:55 -0400
                Re: OT: This Swift thing Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-06-09 21:51 -0400
                Re: OT: This Swift thing Carlos Anselmo Dias <carlos@premium-sponsor.com> - 2014-06-08 18:56 +0100
                Re: OT: This Swift thing Sturla Molden <sturla.molden@gmail.com> - 2014-06-08 23:34 +0000
                Re: OT: This Swift thing Rustom Mody <rustompmody@gmail.com> - 2014-06-08 19:32 -0700
          Re: OT: This Swift thing Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-06-08 13:09 +1200

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