Increase the packets received per second UDP

I have a very high packages (over 100,000 packets per second) rate which I'm trying to capture in LabView.  I configured a single loop to form the loop 'UDP receive' that takes the data from the wire and updates these data in a queue to be processed by another loop.

The problem is that if I use the builtin UDP receive functions, or one library implementations available OCAP, I will always drop packets.  When the receive loop running I have the time I find it runs only in the range of milliseconds rather than the necessary<10us.  if="" i="" remove="" the="" 'enqueue'="" call,="" and="" do="" nothing="" except="" receive="" the="" data="" and="" increment="" a="" packet="" counter,="" it="" is="" still="" no="" where="" near="" meeting="" timing. ="" this="" leads="" me="" to="" believe="" that="" the="" problem="" is="" with="" the="" amount="" of="" time="" it="" takes="" to="" call="" the="" vi="" to="" perform="" the="">

Until I write a dll to perform multiple readings of package and transfer the pads of large size to labview, is there something that can be done in labview to increase the rate of packets?  Note that I have captured these data in wireshark on the same computer, and it's more the enough to capture all the data, so it is possible.

Attached are two examples that do not work because the loop execution rate is too low.  Exactly why the loop runs too slowly is a mystery to me.  Note the "OCAP" version uses the library from the mentioned thread previously.

The problem is now resolved.  I've updated the dll from this thread to include a "multi-package-group" function that provides in bulk packages to labview.  Even after doing this, I noticed that there was always a bottleneck when LabView went to assemble the packets (data collection of several packages to more large data sets).  This was solved by moving some of the manipulation of specific project data in the dll as well.  When I have free time, I also plan on accounting for the new library in this same thread of OCAP.

Tags: NI Software

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