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Filip Gruszczyński authored
This allows to pre-allocate the final size of the hashmap and avoid re-allocating as we insert entries. Furthermore for the current implementation of the hashmap it allows avoiding several rounds of evacuating hashmap entries after each re-allocation. DecodeComplex128Slice-8 51.9µs ± 1% 51.9µs ± 2% ~ (p=0.797 n=30+29) DecodeFloat64Slice-8 31.5µs ± 2% 31.6µs ± 2% ~ (p=0.050 n=28+28) DecodeInt32Slice-8 32.0µs ± 2% 31.9µs ± 3% ~ (p=0.666 n=29+28) DecodeStringSlice-8 57.7µs ± 2% 57.8µs ± 3% ~ (p=0.780 n=27+30) DecodeInterfaceSlice-8 498µs ± 2% 495µs ± 2% ~ (p=0.070 n=28+29) DecodeMap-8 300µs ± 2% 230µs ± 5% -23.31% (p=0.000 n=27+27) Updates #19525 Change-Id: Ia7233da49f05bae7a86c064d9ecebca966f5f2f7 Reviewed-on: https://go-review.googlesource.com/40113 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org>
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