x64 speed

Robin Becker robin at reportlab.com
Thu Feb 5 05:10:17 EST 2009


.......
>>> ----------------------------------------------------------------------
>>> Ran 193 tests in 27.841s
>>>
>>> OK
>>>
>>> real    0m28.150s
>>> user    0m26.606s
>>> sys     0m0.917s
>>> [rptlab at localhost tests]$
>> magical how the total python time is less than the real time.
> 
> time(1) also measures the Python startup and shutdown time, so
> I don't quite see the magic :-(
>

yes stupid me :(

> FWIW: VMware VMs need the VMware tools installed to make their
> clocks work more or less. With Linux, you need some extra tweaks
> as well, otherwise the clocks are just completely unreliable.
> 

I do have the tools installed and from what I can see the clock isn't so far 
off. At least when I run the two tests side by side the vm run always finishes 
first. Of course that could be because vmware is stealing cpu somehow.

> See these notes:
> 
> http://kb.vmware.com/selfservice/viewContent.do?language=en_US&externalId=1420
> http://communities.vmware.com/message/782173
> 


-- 
Robin Becker




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