2015-12-04 20:16 GMT+01:00 MRAB :
> On 2015-12-04 12:49, Victor Stinner wrote:
> [snip]
>
> I don't think that's constant folding, but constant _propagation_.
>
> Constant folding is when, say, "1 + 2" replaced by "2".
Oh, you're right. I update the documentation. To avoid confusion, I
just implem
David R. Murray wrote:
> I think the intuitive notion of "literal" is "the value is literally what is
> written
> here". Which is a redundant statement; 'as written' is, after all, what
> literally
> means when used correctly :). That makes it a language-agnostic concept if
> I'm
> correct.
On 2015-12-04 19:22, Isaac Morland wrote:
On Fri, 4 Dec 2015, MRAB wrote:
> Constant folding is when, say, "1 + 2" replaced by "2".
Isn't that called backspacing? ;-)
Oops! I meant "1 + 1", of course. Or "3". Either would work. :-)
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On Fri, 4 Dec 2015, MRAB wrote:
Constant folding is when, say, "1 + 2" replaced by "2".
Isn't that called backspacing? ;-)
Isaac Morland CSCF Web Guru
DC 2619, x36650 WWW Software Specialist
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On 2015-12-04 12:49, Victor Stinner wrote:
[snip]
Constant folding
This optimization propagates constant values of variables. Example:
def func()
x = 1
y = x
return y
Constant folding:
def func()
x = 1
y = 1
ret
On Dec 4, 2015, at 00:38, Nick Coghlan wrote:
>
> On 4 December 2015 at 12:48, Andrew Barnert via Python-Dev
> wrote:
>> On Dec 3, 2015, at 17:25, Steven D'Aprano wrote:
On Thu, Dec 03, 2015 at 09:25:53AM -0800, Andrew Barnert via Python-Dev
wrote:
I've seen people saying that b
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On Fri, 04 Dec 2015 18:38:03 +1000, Nick Coghlan wrote:
> Summarising that idea:
>
> * literals: any of the dedicated expressions that produce an instance
> of a builtin type
> * constant literal: literals that produce a constant object that can
> be cached in the bytecode
> * dynamic literal: li
Hi,
I implemented 3 new optimizations in FAT Python: loop unrolling, constant
folding and copy builtin functions to constants. In the previous thread,
Terry Reedy asked me if the test suite is complete enough to ensure that
FAT Python doesn't break the Python semantic. I can now say that the
secon
On 4 December 2015 at 12:48, Andrew Barnert via Python-Dev
wrote:
> On Dec 3, 2015, at 17:25, Steven D'Aprano wrote:
>> On Thu, Dec 03, 2015 at 09:25:53AM -0800, Andrew Barnert via Python-Dev
>> wrote:
>>> I've seen people saying that before, but I don't know where they get
>>> that. It's certai
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