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Article author here. I agree that would be a very englightening benchmark. Protobuf can dump to JSON, so it shouldn't be too much work to dump my benchmark data to JSON and benchmark the parsing with simdjson. Maybe I'll see if I can get this done while this article is still on the front page. :)

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Ah, wow, that's great. Apples-to-apples since you can dump the same data to JSON. And shows why HN remains a unique place. Wonder out loud, and maybe get an answer within an update to the article you just read :)

So I was not able to get simdjson going in time, but I did dump my test payload to JSON. In protobuf the payload was 7506 bytes, in JSON 19283 bytes.

So parsing this particular payload at 2GB/s would be equivalent to parsing it at 5.1GB/s in JSON.

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