How can I check nbr of cores of computer?

Duncan Booth duncan.booth at invalid.invalid
Thu Jul 31 10:11:33 CEST 2008


Steven D'Aprano <steve at REMOVE-THIS-cybersource.com.au> wrote:

> I don't expect that Python will have a built-in core-counting function. 
> You would probably need to ask the operating system. On Linux, you could 
> do this:
> 
> import os
> text = os.popen('cat /proc/cpuinfo').read()
> 
> 
> How you would do it in Windows or Mac, I have no idea.
> 

One way on windows:

>>> import win32pdhutil
>>> def howmanycores():
    for i in range(9999):
        try: win32pdhutil.GetPerformanceAttributes("Processor(%d)" % i,"% 
Processor Time")
        except: break
    return i

>>> print howmanycores()
2

-- 
Duncan Booth http://kupuguy.blogspot.com



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