32-bit faster than 64-bit

I ran a program for the acquisition of data on LabVIEW 2011 32 bit and used 5-6% CPU according to the Task Manager.

I ran the same program on LabVIEW 2013 64 bit and it uses processor 8-9% according to the Task Manager.

I thought that the 64 bit version would be more effective than 32-bit CPU.  That is what it is?

Thank you

Mark

If you want to compare the speed of execution, simply by looking at the CPU load you gives no useful information.

You have a code of landmark, which you can use to identify the performance differences? If so, how do they look like?

Somehow, I feel you're talking LV 32-bit on Windows 64-bit vs LV 64-bit on Windows 64-bit. My feeling is correct? Also growing are you referring to the LV 2012 32 bit vs LV 2013 64-bit?

A note regarding the sale guy:

I don't know what you just spoke with him. Simply stating figures such as "you gain x % of the performance when you use xyz" is very dangerous and, on several occasions, is not accurate.

Landmarks on different algorithms (for example, image processing, matrix calculations,...) show that the increase in the resources of the system (Yes, extended address space IS a growing resource type!) benefits of the request of x % on average. But, regarding the algorithm and the amount of data, you may see no difference at all.

Norbert

Tags: NI Software

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