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datadog: add fast path for serializer - #213
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kevinburkesegment
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| // Trim leading/trailing '.', '_' or '-' | ||
| start, end := orig, len(dst) | ||
| for start < end && isTrim(dst[start]) { | ||
| start++ | ||
| } | ||
| for end > start && isTrim(dst[end-1]) { | ||
| end-- | ||
| } |
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Why not just use strings.Trim or bytes.Trim for this?
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| b.ResetTimer() | ||
| for i := 0; i < b.N; i++ { |
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| b.ResetTimer() | |
| for i := 0; i < b.N; i++ { | |
| for b.Loop() { |
b.Loop is the newer, improved way to do this since 1.24, and provides a b.ResetTimer for free ahead of the first iter. See https://pkg.go.dev/testing#B.Loop
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| cutset := "._-" | ||
| b.ResetTimer() | ||
| for i := 0; i < b.N; i++ { |
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| cutset := "._-" | |
| b.ResetTimer() | |
| for i := 0; i < b.N; i++ { | |
| const cutset = "._-" | |
| for b.Loop() { |
In the common case where metric names/tags are all ASCII, we can copy bytes much more quickly. Update some unrelated code to fix some formatting concerns and also use the newest syntax.
kevinburkesegment
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In the common case where metric names/tags are all ASCII, we can copy bytes much more quickly.