On Mon, 18 Aug 2014 00:43:58 -0400, Terry Reedy wrote:
timeit.repeat('1+1')
[0.04067762117549266, 0.019206152658126363, 0.018796680446902643]
I think you have been tripped up by the keyhole optimizer. I'm not
entirely certain, but that's probably just measuring the overhead of
evaluating
On 2014-08-17, Stefan Behnel stefan...@behnel.de wrote:
Steven D'Aprano schrieb am 17.08.2014 um 16:21:
I wonder whether Ruby programmers are as obsessive about
Ruby's GIL?
I actually wonder more whether Python programmers are really all that
obsessive about CPython's GIL.
[...]
Coincidentally after reading Armin Ronacher's criticism of the GIL in
Python:
http://lucumr.pocoo.org/2014/8/16/the-python-i-would-like-to-see/
I stumbled across this GIL detector script:
http://yuvalg.com/blog/2011/08/09/the-gil-detector/
Running it on a couple of my systems, I get
detector script:
http://yuvalg.com/blog/2011/08/09/the-gil-detector/
Running it on a couple of my systems, I get these figures:
CPython 2.7: 0.8/2 cores
CPython 3.3: 1.0/2 cores
Jython 2.5: 2.3/4 cores
CPython 2.6: 0.7/4 cores
CPython 3.3: 0.7/4 cores
CPython 3.4: 0.9/4 cores
On Mon, Aug 18, 2014 at 12:21 AM, Steven D'Aprano
steve+comp.lang.pyt...@pearwood.info wrote:
The day will come that even the cheapest, meanest entry-level PC will come
standard with 8 cores and the GIL will just be an embarrassment, but today
is not that day. I wonder whether Ruby programmers
Johannes Bauer wrote:
On 17.08.2014 16:21, Steven D'Aprano wrote:
Coincidentally after reading Armin Ronacher's criticism of the GIL in
Python:
http://lucumr.pocoo.org/2014/8/16/the-python-i-would-like-to-see/
Sure that's the right one? The article you linked doesn't mention the GIL.
Steven D'Aprano schrieb am 17.08.2014 um 16:21:
I wonder whether Ruby programmers are as obsessive about
Ruby's GIL?
I actually wonder more whether Python programmers are really all that
obsessive about CPython's GIL. Sure, there are always the Loud Guys who
speak up when they feel like
I don't have to care about threading issues all the time and
can otherwise freely choose the right model of parallelism that suits my
current use case when the need arises (and threads are rarely the right
model). I'm sure that's not just me.
The sound bite of a loyal Python coder:)
If it
On Mon, Aug 18, 2014 at 1:26 AM, Stefan Behnel stefan...@behnel.de wrote:
I actually wonder more whether Python programmers are really all that
obsessive about CPython's GIL. Sure, there are always the Loud Guys who
speak up when they feel like no-one's mentioned it for too long, but I'd
On Mon, Aug 18, 2014 at 2:01 AM, Joseph L. Casale
jcas...@activenetwerx.com wrote:
If it weren't for these useless threads, you wouldn't have even been able
to send that message, let alone do anything on a computer for that matter.
Not sure about that. I think it would be entirely possible to
Joseph L. Casale wrote:
I don't have to care about threading issues all the time and
can otherwise freely choose the right model of parallelism that suits my
current use case when the need arises (and threads are rarely the right
model). I'm sure that's not just me.
The sound bite of a
In a post about CPython's GIL, Steven D'Aprano pointed to Armin
Ronacher's criticism of the internal type slots used for dunder methods.
http://lucumr.pocoo.org/2014/8/16/the-python-i-would-like-to-see/
I found the following interesting.
Since we have an __add__ method the interpreter will
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