perf(webidl): optimize createDictionaryConverter() #12279
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On a benchmark constructing `Response`s with headers this shaves off 25%: ``` Before: resp_w_h: n = 1000000, dt = 2.284s, r = 437828/s, t = 2283ns/op After: resp_w_h: n = 1000000, dt = 1.725s, r = 579710/s, t = 1725ns/op
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On a benchmark constructing Responses with headers this shaves off 25%
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Interesting, if I micro-benchmark this in V8 9.6.11 (Chrome v96), I get a majorly faster spread operation: https://esbench.com/bench/615c7bcb6c89f600a5701202 |
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On a benchmark constructing
Responses with headers this shaves off 25%: