benchmarks!
parent
d27d5348f9
commit
9ed6f8c536
92
pmap_test.go
92
pmap_test.go
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@ -5,16 +5,104 @@ import "testing"
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func TestPmap(t *testing.T) {
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p := New()
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const numElems = 100
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for i := range make([]int, numElems) {
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for i := range iter(numElems) {
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p = p.Set(i, i)
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}
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if p.Len() != numElems {
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t.Fatalf("Len() = %v, want %v", p.Len(), numElems)
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}
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for i := range make([]int, numElems) {
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for i := range iter(numElems) {
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v, ok := p.Get(i)
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if v != i || !ok {
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t.Errorf("Get(%d) = %v %v, want %v %v", i, v, ok, i, true)
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}
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}
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}
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func BenchmarkGet(b *testing.B) {
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b.Run("size=10", func(b *testing.B) { benchmarkGet(b, 10) })
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b.Run("size=100", func(b *testing.B) { benchmarkGet(b, 100) })
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b.Run("size=1000", func(b *testing.B) { benchmarkGet(b, 1000) })
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b.Run("size=10000", func(b *testing.B) { benchmarkGet(b, 10000) })
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}
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func BenchmarkGetAbsent(b *testing.B) {
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b.Run("size=10", func(b *testing.B) { benchmarkGetAbsent(b, 10) })
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b.Run("size=100", func(b *testing.B) { benchmarkGetAbsent(b, 100) })
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b.Run("size=1000", func(b *testing.B) { benchmarkGetAbsent(b, 1000) })
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b.Run("size=10000", func(b *testing.B) { benchmarkGetAbsent(b, 10000) })
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}
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func benchmarkGet(b *testing.B, numElems int) {
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p := New()
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for i := range iter(numElems) {
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p = p.Set(i, i)
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}
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if p.Len() != numElems {
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b.Fatalf("Len() = %v, want %v", p.Len(), numElems)
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}
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b.ResetTimer()
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i := 0
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for range iter(b.N) {
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v, ok := p.Get(i)
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if v != i || !ok {
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b.Errorf("Get(%d) = %v %v, want %v %v", i, v, ok, i, true)
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}
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i++
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if i >= numElems {
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i = 0
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}
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}
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}
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func benchmarkGetAbsent(b *testing.B, numElems int) {
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p := New()
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for i := range iter(numElems) {
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p = p.Set(-i-1, i)
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}
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if p.Len() != numElems {
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b.Fatalf("Len() = %v, want %v", p.Len(), numElems)
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}
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b.ResetTimer()
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i := 0
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for range iter(b.N) {
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v, ok := p.Get(i)
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if ok {
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b.Errorf("Get(%d) = %v %v, want %v %v", i, v, ok, 0, false)
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}
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i++
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}
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}
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func iter(n int) []struct{} {
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return make([]struct{}, n)
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}
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func BenchmarkHmapGet_baseline(b *testing.B) {
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b.Run("size=10", func(b *testing.B) { benchmarkHmapGet(b, 10) })
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b.Run("size=100", func(b *testing.B) { benchmarkHmapGet(b, 100) })
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b.Run("size=1000", func(b *testing.B) { benchmarkHmapGet(b, 1000) })
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b.Run("size=10000", func(b *testing.B) { benchmarkHmapGet(b, 10000) })
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}
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func benchmarkHmapGet(b *testing.B, numElems int) {
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h := make(map[int]int)
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for i := range iter(numElems) {
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h[i] = i
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}
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if len(h) != numElems {
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b.Fatalf("Len() = %v, want %v", len(h), numElems)
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}
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b.ResetTimer()
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i := 0
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for range iter(b.N) {
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v, ok := h[i]
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if v != i || !ok {
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b.Errorf("h[%d] = %v %v, want %v %v", i, v, ok, i, true)
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}
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i++
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if i >= numElems {
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i = 0
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}
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}
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}
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