Re: [Matplotlib-users] speed up imports?

[Michael D. <md...@st...>]

My gut says it's probably the GUI framework import that is dominating 
the time.  Which backend are you using?  Does importing it take a large 
amount of time as well? 

Can you provide a profiler output file we can examine to narrow it 
down?  The following from a command prompt should be sufficient to write 
out a file called "import.prof":

  python.exe -c "import cProfile; prof=cProfile.Profile(); 
prof.run('import pylab', 'import.prof')"

Mike

C M wrote:
> On Thu, Apr 1, 2010 at 7:17 PM, Eric Firing <ef...@ha...> wrote:
>   
>> Andrew Kelly wrote:
>>     
>>> Has anyone had any success in speeding up the mpl imports?
>>>
>>> "import matplotlib.pyplot as plt"
>>> ( or "from matplotlib.figure import Figure")
>>>
>>> takes 6 full seconds to load.  That seems excessive.  Any ideas?
>>>
>>> -Andy
>>>       
>> Andy,
>>
>> A couple replies came back directly to me (probably intended for the
>> list, though), and both reported results similar to yours, on Windows
>> machines only.  What OS and version are you running?
>>     
>
> Sorry Eric, that was indeed intended for the list.  Just for the
> list's sake, I'll repeat it:
>
> It takes longer than any other Python module for me, too, about 5-6
> seconds on a "cold" load (on Windows), though faster on a "warm" load.
>  I am running it locally on a laptop that is 1.7 GHz Intel Pentium
> laptop with 1Meg RAM.
>
> And I should add:  I don't currently have Linux installed, but will
> soon again I hope, and I will take note of how long it takes on Linux.
>
> Thanks,
> Che
>
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-- 
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA