[Python-Dev] Pure pickle bechmark.

Victor Stinner victor.stinner at gmail.com
Sun Jul 9 19:47:16 EDT 2017


Please explain how to reproduce your benchmark. Maybe write a shell script?

Victor

Le 9 juil. 2017 17:49, "Bhavishya" <bhavishyagopesh at gmail.com> a écrit :

> Hello,
>
> 1).I was going through the code of *python pickle* to search any
> optimization possibility.But the only thing that I found very alarming was
> again the import time(I tried with lazy-import but it didn't helped much.)
>
> I found py3 to be ~45 times slower on* initial imports(very raw
> measure..using "time." ) *as compared to py2 on an usual example.
>
> py3->
> ./python -c '
> favorite_color = { "lion": "yellow", "kitty": "red" }
> pickle.dump( favorite_color, open( "save.p", "wb" ) )'
> 0.009715557098388672(time taken to do initial imports...measured using
> *time.time()* )
>
> py2->
> ./python -c '
> favorite_color = { "lion": "yellow", "kitty": "red" }
> pickle.dump( favorite_color, open( "save.p", "wb" ) )'
> 0.000236034393311(time taken to do initial imports...measured using
> *time.time()* )
>
> Do you have any thought/ideas on improving this?
>
>
> Thank You.
>
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