Hey Moses - This is really cool work! Thanks so much for sharing it. Michael's suggestion of pushing it was a good one. I haven't looked at the code yet, but:
The code was able to run smoothly in a C++ application but experienced > memory leaks in GNU Radio. > I'm curious how confident you are in this? It might be worthwhile to run the pure-C++ version through Valgrind just to double-check, if you haven't already. I also have one question regarding buffering in GNU Radio. Since iterative > decoding with a large number of iterations and large block sizes takes time > to complete, the input pmt data that is not consumed immediately will have > to be stored somewhere. Is that the case? Could that be the reason for the > memory leak? > Things do get stored until buffers and full, and then backpressure builds up through the flowgraph. This shouldn't cause memory leaks. For a more thorough explanation of this, check out this excellent blog post from Marcus Mueller! https://www.gnuradio.org/blog/2017-01-05-buffers/ Cheers, Ben
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