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Pascal S. de Kloe authored
JSON decoding performs poorly for unmapped and ignored fields. We noticed better performance when unmarshalling unused fields. The loss comes mostly from calls to scanner.error as described at #17914. benchmark old ns/op new ns/op delta BenchmarkIssue10335-8 431 408 -5.34% BenchmarkUnmapped-8 1744 1314 -24.66% benchmark old allocs new allocs delta BenchmarkIssue10335-8 4 3 -25.00% BenchmarkUnmapped-8 18 4 -77.78% benchmark old bytes new bytes delta BenchmarkIssue10335-8 320 312 -2.50% BenchmarkUnmapped-8 568 344 -39.44% Fixes #17914, improves #10335 Change-Id: I7d4258a94eb287c0fe49e7334795209b90434cd0 Reviewed-on: https://go-review.googlesource.com/33276Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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