[Python-Dev] Micro-benchmarks for PEP 580
stefan_ml at behnel.de
Wed Jul 11 01:39:05 EDT 2018
INADA Naoki schrieb am 11.07.2018 um 02:01:
> On Wed, Jul 11, 2018 at 7:47 AM Victor Stinner wrote:
>> I proposed something simpler, but nobody tried to implement it.
>> Instead of calling the long and complex PyArg_Parse...() functions,
>> why not generating C code to parse arguments instead? The idea looks
>> like "inlining" PyArg_Parse...() in its caller, but technically it
>> means that Argument Clinic generates C code to parse arguments.
> But I have worrying about it. If we do it for all function, it makes Python
> binary fatter, consume more CPU cache. Once CPU cache is start
> stashing, application performance got slower quickly.
Now, I'd like to see benchmark numbers for that before I believe it. Macro
benchmarks, not micro benchmarks! *wink*
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