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https://github.com/VictoriaMetrics/VictoriaMetrics.git
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2e12119a9e
Natural sorting is needed for sort_by_label_natural() and sort_by_label_natural_desc()
functions in MetricsQL - see https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6192
and https://github.com/VictoriaMetrics/VictoriaMetrics/pull/6256
Natural sorting will be also used by `| sort ...` pipe in VictoriaLogs -
see https://docs.victoriametrics.com/victorialogs/logsql/#sort-pipe
(cherry picked from commit 707f3a69db)
59 lines
2 KiB
Go
59 lines
2 KiB
Go
package stringsutil
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import (
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"testing"
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)
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func BenchmarkLessNatural(b *testing.B) {
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b.Run("distinct_string_prefixes", func(b *testing.B) {
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benchmarkLessNatural(b, []string{
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"aaa", "bbb", "ccc", "ddd", "eee", "fff", "g", "hh", "kkk", "ooo", "ppppp", "wwww", "zzz", "qqq",
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})
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})
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b.Run("distinct_numeric_values", func(b *testing.B) {
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benchmarkLessNatural(b, []string{
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"111", "222", "333", "44", "5555", "666", "7", "88", "999", "000", "123", "452", "34", "234",
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})
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})
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b.Run("common_string_prefixes_distinct_string_suffixes", func(b *testing.B) {
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benchmarkLessNatural(b, []string{
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"XXXaaa", "XXXbbb", "XXXccc", "XXXddd", "XXXeee", "XXXfff", "XXXg", "XXXhh", "XXXkkk", "XXXooo", "XXXppppp", "XXXwwww", "XXXzzz", "XXXqqq",
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})
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})
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b.Run("common_string_prefixes_distinct_numeric_suffixes", func(b *testing.B) {
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benchmarkLessNatural(b, []string{
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"XXX111", "XXX222", "XXX33", "XXX4", "XXX555", "XXX666", "XXX7", "XXX88", "XXX999", "XXX000", "XXX12345", "XXX3211", "XXX873", "XXX98",
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})
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})
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b.Run("common_string_values", func(b *testing.B) {
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benchmarkLessNatural(b, []string{
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"XXXXX", "XXXXX", "XXXXX", "XXXXX", "XXXXX", "XXXXX", "XXXXX", "XXXXX", "XXXXX", "XXXXX", "XXXXX", "XXXXX", "XXXXX", "XXXXX",
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})
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})
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b.Run("common_numeric_prefixes", func(b *testing.B) {
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benchmarkLessNatural(b, []string{
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"111aaa", "111bbb", "111ccc", "111ddd", "111eee", "111fff", "111g", "111hh", "111kkk", "111ooo", "111ppppp", "111wwww", "111zzz", "111qqq",
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})
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})
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b.Run("common_numeric_values", func(b *testing.B) {
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benchmarkLessNatural(b, []string{
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"11111", "11111", "11111", "11111", "11111", "11111", "11111", "11111", "11111", "11111", "11111", "11111", "11111", "11111",
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})
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})
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}
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func benchmarkLessNatural(b *testing.B, a []string) {
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b.ReportAllocs()
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b.SetBytes(int64(len(a) - 1))
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b.RunParallel(func(pb *testing.PB) {
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n := uint64(0)
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for pb.Next() {
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for i := 1; i < len(a); i++ {
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if LessNatural(a[i-1], a[i]) {
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n++
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}
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}
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}
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GlobalSink.Add(n)
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})
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}
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