Victor Stinner wrote:
> > The 80x is a ballpark figure for the maximum expected speedup for
> > standard numerical floating point applications.
>
> Ok, but it's just surprising when you read the What's New document.
> 72x and 80x look to be inconsistent.
Yes, indeed, I'll reword that.
> > For
> The 80x is a ballpark figure for the maximum expected speedup for
> standard numerical floating point applications.
Ok, but it's just surprising when you read the What's New document.
72x and 80x look to be inconsistent.
> For huge numbers _decimal is also faster than int:
>
> factorial(100
Antoine Pitrou wrote:
> > On the web side, there seems to be a huge interest in speeding up database
> > accesses, so let me evangelize again: Database applications using decimal
> > will run 12x faster in 3.3.
>
> Are you sure it isn't 12.5x ?
Well, that was marketing for 3.3.
Stefan Krah
_
On Fri, 23 Mar 2012 10:22:55 +0100
Stefan Krah wrote:
> Georg Brandl wrote:
> > >>> Issue #7652: Integrate the decimal floating point libmpdec library to
> > >>> speed
> > >>> up the decimal module. Performance gains of the new C implementation are
> > >>> between 12x and 80x, depending on the
Victor Stinner wrote:
> By the way, how much faster is cdecimal? 72x or 80x?
> http://docs.python.org/dev/whatsnew/3.3.html#decimal
It really depends on the precision. Also, the performance of decimal.py
depends on many other things in the Python tree, so it easily changes
+-10%. Currently, decim
Amaury Forgeot d'Arc wrote:
> > Seconded. ?This is the kind of stuff that will make 3.3 the most awesomest
> > 3.x release ever (and hopefully convince people that it does make sense to
> > port)...
>
> On the other hand, porting PyPy to 3.3 will be more work ;-)
We've got to keep you on your to
By the way, how much faster is cdecimal? 72x or 80x?
http://docs.python.org/dev/whatsnew/3.3.html#decimal
Victor
2012/3/23 Stefan Krah :
> Georg Brandl wrote:
>> >>> Issue #7652: Integrate the decimal floating point libmpdec library to
>> >>> speed
>> >>> up the decimal module. Performance gai
Georg Brandl wrote:
> >>> Issue #7652: Integrate the decimal floating point libmpdec library to
> >>> speed
> >>> up the decimal module. Performance gains of the new C implementation are
> >>> between 12x and 80x, depending on the application.
> >
> > Congrats Stefan! And thanks for the huge ch
On Fri, Mar 23, 2012 at 09:26, Stefan Krah wrote:
> I'll add the --with-system-libmpdec option with the caveat that
> changes will probably make it first into the libmpdec shipped
> with Python, see also:
>
> http://bugs.python.org/issue7652#msg155744
Sounds good, thanks!
Cheers,
Dirkjan
__
Dirkjan Ochtman wrote:
> As a packager, is the libmpdec library used elsewhere? For Gentoo, we
> generally prefer to package libraries separately and have Python
> depend on them. From the site, it seems like you more or less wrote
> libmpdec for usage in Python, but if it's general-purpose and ac
2012/3/22 Georg Brandl :
>> Congrats Stefan! And thanks for the huge chunk of code.
>
> Seconded. This is the kind of stuff that will make 3.3 the most awesomest
> 3.x release ever (and hopefully convince people that it does make sense to
> port)...
On the other hand, porting PyPy to 3.3 will be
On 21.03.2012 23:22, Victor Stinner wrote:
>>> http://hg.python.org/cpython/rev/730d5357
>>> changeset: 75850:730d5357
>>> user:Stefan Krah
>>> date:Wed Mar 21 18:25:23 2012 +0100
>>> summary:
>>> Issue #7652: Integrate the decimal floating point libmpdec library to spee
On Wed, Mar 21, 2012 at 23:22, Victor Stinner wrote:
>>> http://hg.python.org/cpython/rev/730d5357
>>> changeset: 75850:730d5357
>>> user: Stefan Krah
>>> date: Wed Mar 21 18:25:23 2012 +0100
>>> summary:
>>> Issue #7652: Integrate the decimal floating point libmpdec libr
Victor Stinner wrote:
> >> Issue #7652: Integrate the decimal floating point libmpdec library to
> >> speed
> >> up the decimal module. Performance gains of the new C implementation are
> >> between 12x and 80x, depending on the application.
>
> Congrats Stefan! And thanks for the huge chunk o
>> http://hg.python.org/cpython/rev/730d5357
>> changeset: 75850:730d5357
>> user: Stefan Krah
>> date: Wed Mar 21 18:25:23 2012 +0100
>> summary:
>> Issue #7652: Integrate the decimal floating point libmpdec library to speed
>> up the decimal module. Performance gains of
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