4c5dac7202
Optimize marshaling of maps by using slices.SortFunc. This drops an unnecessary field from reflectWithString, which also reduces the cost of each swap operation. benchmark old ns/op new ns/op delta BenchmarkMarshalMap-10 228 139 -39.24% benchmark old allocs new allocs delta BenchmarkMarshalMap-10 11 8 -27.27% benchmark old bytes new bytes delta BenchmarkMarshalMap-10 432 232 -46.30% Change-Id: Ic2ba7a1590863c7536305c6f6536372b26ec9b0c Reviewed-on: https://go-review.googlesource.com/c/go/+/515176 Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Daniel Martí <mvdan@mvdan.cc> Reviewed-by: Joseph Tsai <joetsai@digital-static.net> Reviewed-by: qiulaidongfeng <2645477756@qq.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Michael Knyszek <mknyszek@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> |
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