So after much research on the library . It certainly looks like the invoke
method is taking all the time. Is this because of the conversion from
Variant???
On Tue, Feb 7, 2017 at 11:09 AM, Stephen Chapman <schapman1...@gmail.com>
wrote:
> Hello,
> I am having a speed issue while running dll functions. I have a
> minimal com server example and a minimal com client example below. I have
> added cProfile to the example. All source files and the profile are
> attached.
>
> So when I run this example I get between 1.4 seconds to 1.7 seconds. I
> am running a loop of 10,000 doing 2 methods in the loop. So the here are a
> couple lines from the profile.
>
> ncalls tottime percall cumtime percall filename:lineno(function)
> 1 0.050 0.050 1.740 1.740 cpminimaltest.py:6(
> testcalltime)
> 20001 0.103 0.000 1.689 0.000 dynamic.py:41(__call__)
> 20004 0.698 0.000 1.247 0.000 automation.py:702(Invoke)
> 80001 0.276 0.000 0.313 0.000 automation.py:197(_set_value)
>
> It seems like the Invoke is taking an inordinate amount of time. When I
> create a minimal example in C# and run the same test. I get .009
> seconds. Is there something I am not doing right. Would having a tlb
> file attached help?...
>
>
> <minimal server example>
> from win32com.server import register
> import sys
> import pstats
> import cProfile
>
> class dataObject(object):
> _public_methods_ = ["method1","method2","startProfile","printStats"]
> _public_attrs_ = []
> _reg_progid_ = "testcall.dataobject"
> _reg_desc_ = "simple test project"
> _reg_clsid_ = "{97dbc38f-44ce-11e2-a5e5-001018107395}"
>
> def __init__(self):
> self.profile = cProfile.Profile()
>
> def method1(self,*args):
> return 0
>
> def method2(self,*args):
> return 0
>
> def startProfile(self):
> self.profile.enable()
>
> def printStats(self,filename=""):
> self.profile.disable()
> f = open(filename, 'w')
> sortby = 'cumulative'
> try:
> pstats.Stats(self.profile, stream=f).strip_dirs().sort_
> stats(sortby).print_stats()
> except:
> f.write("Nothing was profiled\n")
> f.close()
>
> if __name__=='__main__':
> if len(sys.argv)>1:
> register.UnregisterServer(dataObject)
> else:
> register.UseCommandLine(dataObject)
>
>
> <minimal client example>
> from comtypes.client import CreateObject
> import time
>
> do = CreateObject("testcall.dataobject")
>
> def testcalltime():
> c4 = 0
> a=time.time()
> for d in range (0,10000):
> d=do.method1(c4,1)
> e=do.method2(c4,1)
> b=time.time()
> print b-a
>
> do.startProfile()
> testcalltime()
> do.printStats("c:\profile.txt")
>
>
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