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Commit fdfb53b

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Added benchmarks for json deconding.
Results: $ go test -v -benchmem -bench BenchmarkIndexParsing github.com/arduino/arduino-cli/arduino/libraries/librariesindex === RUN TestIndexer --- PASS: TestIndexer (0.16s) goos: linux goarch: amd64 pkg: github.com/arduino/arduino-cli/arduino/libraries/librariesindex cpu: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz BenchmarkIndexParsingStdJSON BenchmarkIndexParsingStdJSON-8 5 214872730 ns/op 94.52 MB/s 58956539 B/op 418973 allocs/op BenchmarkIndexParsingEasyJSON BenchmarkIndexParsingEasyJSON-8 16 69215472 ns/op 293.42 MB/s 56162664 B/op 418966 allocs/op PASS ok github.com/arduino/arduino-cli/arduino/libraries/librariesindex 4.442s easyjson is 3x faster.
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‎arduino/libraries/librariesindex/index_test.go‎

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@@ -16,11 +16,13 @@
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package librariesindex
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import (
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json "encoding/json"
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"fmt"
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"testing"
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"github.com/arduino/arduino-cli/arduino/libraries"
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"github.com/arduino/go-paths-helper"
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easyjson "github.com/mailru/easyjson"
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"github.com/stretchr/testify/require"
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semver "go.bug.st/relaxed-semver"
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)
@@ -113,3 +115,27 @@ func TestIndexer(t *testing.T) {
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require.Contains(t, resolve2, bear172)
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require.Contains(t, resolve2, http040)
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}
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func BenchmarkIndexParsingStdJSON(b *testing.B) {
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indexFile := paths.New("testdata/library_index.json")
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buff, err := indexFile.ReadFile()
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require.NoError(b, err)
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b.SetBytes(int64(len(buff)))
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for i := 0; i < b.N; i++ {
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var i indexJSON
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err = json.Unmarshal(buff, &i)
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require.NoError(b, err)
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}
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}
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func BenchmarkIndexParsingEasyJSON(b *testing.B) {
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indexFile := paths.New("testdata/library_index.json")
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buff, err := indexFile.ReadFile()
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require.NoError(b, err)
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b.SetBytes(int64(len(buff)))
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for i := 0; i < b.N; i++ {
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var i indexJSON
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err = easyjson.Unmarshal(buff, &i)
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require.NoError(b, err)
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}
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}

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