RT-target short-term memory when writing to the network stream

Hey there,

I have a program that transfers data acquired from the FPGA to the host PC. RT - VI reads data from the FIFO DMA and writes it to a network stream (BlockDiagram.png).

Now, I am a phenomenon, that the RT-target load his RAM until it is full and accidents.

I have no idea why this happens, network flow buffer is empty, all the items are read by the host, and there is no table built by indexing or so.

Someone has an idea, how I can handle this?

Best regards

Hey there,

I had the problem solved,

the problem was the buffer of the sender endpoint was too big. Unlike this problem: http://digital.ni.com/public.nsf/allkb/784CB8093AE30551862579AB0050C429, wasn't the growth of memory because dynamic memory allocation.

It is just the normal speed of the cRIO while allocating buffer. The sender buffer affecting many smaller, memory growth stops at a specific level (DSM2.png).

It is strange, this use of memory that grows slowly, despite the creation of the endpoint with preallouee buffer, so that its use dark quickly when the VI - enforcement stops...

Best regards...

Tags: NI Software

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