Multiprocessing takes higher execution time

Sibtey Mehdi sibteym at infotechsw.com
Wed Jan 7 10:53:13 CET 2009


Hi,

 

I use multiprocessing to compare more then one set of files.

For comparison each set of files (i.e. Old file1 Vs New file1) I create a
process,

Process(target=compare, args=(oldFile, newFile)).start()

It takes 61 seconds execution time.

 

When I do the same comparison without implementing multiprocessing, it takes
52 seconds execution time.

 

The parallel processing time should be lesser. 

 

I am not able to get advantage of multiprocessing here.

 

Any suggestions can be very helpful.

 

Thanks,

Gopal

 

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