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Comment on Curl HTTP/3 Performanceparent

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Honestly, one would think that the switch to a binary protocol and then to a different transport layer protocol would be justified by massive gains in performance...

It's definitely not a given that a binary protocol + etc. will yield a "massive gain in performance" versus naive e.g. gzipped JSON over HTTP.

The website being tested probably isn’t complicated enough to demonstrate that difference.

Even then, I remember the sales pitches all mentioning performance improvements in the order of about 10-20%

In real world conditions, not loop back synthetic benchmarks.

I believe his point is 10-20% gain is not massive.

FWIW I don't know if that is what was claimed.

20% is what real world data from Google suggested: https://www.zdnet.com/article/google-speeds-up-the-web-with-...

I interpreted his comment as saying “where’s the 20% speed up” which seems like a more reasonable interpretation in context. A 20% speed up is actually quite substantial because that’s aggregate - it must mean there’s situations where it’s more as well as situations where it’s unchanged or worse (although unlikely to be worse under internet conditions).

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