Message117720
I benchmarked _PyOS_ascii_strtod without the macros, with the macros
and with always calling both fnstcw/fldcw. There is no real difference:
import timeit
s = "str(38210.0)"
t = timeit.Timer(stmt=s)
t.timeit(number=10000000)
t.timeit(number=10000000)
t.timeit(number=10000000)
# None
>>> t.timeit(number=10000000)
3.7519991397857666
>>> t.timeit(number=10000000)
3.759944200515747
>>> t.timeit(number=10000000)
3.7730538845062256
>>>
# Macros
>>> t.timeit(number=10000000)
3.780745029449463
>>> t.timeit(number=10000000)
3.777444839477539
>>> t.timeit(number=10000000)
3.7622230052948
# fnstcw/fldcw
>>> t.timeit(number=10000000)
3.765655994415283
>>> t.timeit(number=10000000)
3.7517099380493164
>>> t.timeit(number=10000000)
3.749257802963257 |
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Date |
User |
Action |
Args |
2010-09-30 11:07:12 | skrah | set | recipients:
+ skrah, loewis, sjmachin, mark.dickinson, eric.smith, brian.curtin, Kiriakos.Vlahos |
2010-09-30 11:07:12 | skrah | set | messageid: <1285844832.57.0.987060669081.issue9980@psf.upfronthosting.co.za> |
2010-09-30 11:07:05 | skrah | link | issue9980 messages |
2010-09-30 11:07:05 | skrah | create | |
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