x64 speed

Tim Daneliuk tundra at tundraware.com
Tue Feb 3 18:48:35 CET 2009


Robin Becker wrote:
> Whilst doing some portability testing with reportlab I noticed a strange
> speedup for our unittest suite with python2.5
> 
> host  win32 xp3 unittest time=42.2 seconds
> vmware RHEL x64 unittest time=30.9 seconds
> 
> so it looks like the vmware emulated system is much faster. Is it the
> x64 working faster at its design sizes or perhaps the compiler or could
> it be the vmware system caching all writes etc etc? For the red hat x64
> build the only special configuration was to use ucs2
> 
> I know that the VT bit stuff has made virtualization much better, but
> this seems a bit weird.

Which vmware product?

-- 
----------------------------------------------------------------------------
Tim Daneliuk     tundra at tundraware.com
PGP Key:         http://www.tundraware.com/PGP/



More information about the Python-list mailing list