47 lines
853 B
Go
47 lines
853 B
Go
package parser
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import (
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"context"
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"io"
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"os"
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"runtime"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func BenchmarkGenerate(b *testing.B) {
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filePath := "testdata/workhorse.lsif.zip"
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tmpDir := filePath + ".tmp"
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defer os.RemoveAll(tmpDir)
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var memoryUsage float64
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for i := 0; i < b.N; i++ {
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memoryUsage += measureMemory(func() {
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file, err := os.Open(filePath)
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require.NoError(b, err)
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parser, err := NewParser(context.Background(), file)
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require.NoError(b, err)
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_, err = io.Copy(io.Discard, parser)
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require.NoError(b, err)
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require.NoError(b, parser.Close())
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})
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}
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b.ReportMetric(memoryUsage/float64(b.N), "MiB/op")
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}
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func measureMemory(f func()) float64 {
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var m, m1 runtime.MemStats
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runtime.ReadMemStats(&m)
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f()
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runtime.ReadMemStats(&m1)
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runtime.GC()
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return float64(m1.Alloc-m.Alloc) / 1024 / 1024
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}
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