Incremental benchmark.#5367
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Description
This PR introduces a benchmark for comparing incremental and non-incremental CBOR block decoder performance. One mechanism of how to reduce block processing time is to decode it while it is streamed across the network, in between SDU arrival times. Tests on one machine indicate that for roughly full Praos blocks a few milliseconds may be saved, with more material savings for future larger blocks, esp. for Leios.
resolves #5280
Actual performance in a real system may vary, but in a benchmark setting the results for incrementally decoding a full Praos block are minor, on the order of several ms. More impressive gains materialize for much larger blocks, ie. several MB in size, where time saved appears to be on the order of several hundred ms.
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ouroboros-networkproject.