A few years back I was working on a pair of gnuradio blocks. The first one would produce a “report” that we stored in a pmt dictionary. The second block would read in the “report” and do some processing based on the contents. I’m a big fan of data validation, so I wanted to ensure that the received pmt had the exact structure that we were expecting.
tl;dr - There is a proposal on the table to further modernize the 4.0 codebase which can potentially bring some big performance benefits but may also carry some significant changes to the underlying implementation With new constructs, abstractions, and a streamlined workflow, GNU Radio 4.0 as it currently stands has made significant progress toward it original stated goal:
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