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Dual core cpu
Message
From
11/04/2007 20:13:52
 
 
To
11/04/2007 17:06:46
General information
Forum:
Visual FoxPro
Category:
Other
Title:
Environment versions
Visual FoxPro:
VFP 9 SP1
OS:
Windows XP SP2
Network:
Windows 2000 Server
Database:
Visual FoxPro
Miscellaneous
Thread ID:
01214424
Message ID:
01214790
Views:
7
>>Using VFP, if I upgrade to a dual core system, will the execution speed of my VFP apps slow down because VFP only uses one side of the dual core system?
>
>Theoretically, it might slow down under some circumstances:
>
>- Suppose your "old" machine has a fast, single-core CPU such as a Pentium 4 Extreme Edition, which was available at speeds up to 3.73GHz
>
>- Also suppose you "upgrade" to a Pentium D 915, which is dual-core at 2.80GHz
>
>On your old machine, as long as it wasn't busy doing lots of other stuff, your single-threaded Fox app might run as fast as 3.73GHz most of the time.
>
>In contrast, on the Pentium D 915, your app would get at most 2.80GHz because it can't take advantage of more than 1 core. Of course, you could run 2 copies of your app ;)
>
>This scenario is a bit artificial; in practice, you'd probably upgrade to a Core 2 Duo, which gets large gains even at lower clock speeds because it's more efficient - does more work per clock cycle.

Thanks Al. That's just what prompted me to ask the question. North Shore boys have it all. ;-) (Ex Capilano Highlands)
I ain't skeert of nuttin eh?
Yikes! What was that?
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