x64 speed

[Robin Becker]

Diez B. Roggisch wrote:
> Robin Becker schrieb:
>> 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.
> 
> 
> AFAIK some VMs have difficulties with timers. For example, my 
> virtualized KDE has that jumping icon when starting a program - and 
> that's *much* faster jumping inside VBox :)
> 
......
> Diez
I started both in terminals and the host never wins :)

-- 
Robin Becker