Hi folks - trying to do Cross-Correlation on 2 large files, must convert from I16's in the 2 files, scale all by a range value, divide by a full-scale single float, perform the cross-correlation, and display the result.For 2 files, each with 8M 2-byte I16's, I get a -20001 error from the cross-correltation function, "not enough memory".My machine has 2GB of RAM in it, but just before the function barfed, Windows Task Manager told me the LabVIEW memory allocated was 682MB.My 3 questions are1) Why is the function barfing when I still have almost another free gig of memory?2) Why is LabVIEW sucking up so much memory?3) Am I doing anything silly to create more copies than I need to do the job?any insight would be appreciated, thanks, paul

LabVIEW

LabVIEW gobbling my memory??

Author

You're right - 16M works if I cast the FFT output as scalar SGL or DBL, but barfs if I make it complex.

Looks like the Power Spectrum, Inverse FFT, and Cross Spectrum functions have an 8M sequence limit.

Message 11 of 11

(446 Views)

LabVIEW

LabVIEW gobbling my memory??

Re: LabVIEW gobbling my memory??