support old version fixture go1.4-go1.6

Author: lrita

sample_avx2_amd64.s

@@ -80,7 +80,7 @@ LBB0_11:
 	JNE  LBB0_11
 
 LBB0_12:
-	VZEROUPPER
+	BYTE $0xc5; BYTE $0xf8; BYTE $0x77 // VZEROUPPER
 	MOVQ AX, x+24(FP)
 	RET
 
@@ -210,7 +210,7 @@ LBB1_12:
 	JNE  LBB1_12
 
 LBB1_13:
-	VZEROUPPER
+	BYTE $0xc5; BYTE $0xf8; BYTE $0x77 // VZEROUPPER
 	MOVQ AX, x+24(FP)
 	RET
 
@@ -340,7 +340,7 @@ LBB2_12:
 	JNE  LBB2_12
 
 LBB2_13:
-	VZEROUPPER
+	BYTE $0xc5; BYTE $0xf8; BYTE $0x77 // VZEROUPPER
 	MOVQ AX, x+24(FP)
 	RET
 
@@ -557,7 +557,7 @@ LBB3_21:
 	LONG $0x5e6bc1c4; BYTE $0xc3 // vdivsd    xmm0, xmm2, xmm11
 
 LBB3_22:
-	VZEROUPPER
+	BYTE $0xc5; BYTE $0xf8; BYTE $0x77 // VZEROUPPER
 	MOVQ X0, x+24(FP)
 	RET
 

sample_avx_amd64.s

@@ -138,7 +138,7 @@ LBB0_11:
 	JNE  LBB0_11
 
 LBB0_12:
-	VZEROUPPER
+	BYTE $0xc5; BYTE $0xf8; BYTE $0x77 // VZEROUPPER
 	MOVQ AX, x+24(FP)
 	RET
 
@@ -336,7 +336,7 @@ LBB1_12:
 	JNE  LBB1_12
 
 LBB1_13:
-	VZEROUPPER
+	BYTE $0xc5; BYTE $0xf8; BYTE $0x77 // VZEROUPPER
 	MOVQ AX, x+24(FP)
 	RET
 
@@ -534,7 +534,7 @@ LBB2_12:
 	JNE  LBB2_12
 
 LBB2_13:
-	VZEROUPPER
+	BYTE $0xc5; BYTE $0xf8; BYTE $0x77 // VZEROUPPER
 	MOVQ AX, x+24(FP)
 	RET
 
@@ -810,7 +810,7 @@ LBB3_21:
 	LONG $0x5e6bc1c4; BYTE $0xc3 // vdivsd    xmm0, xmm2, xmm11
 
 LBB3_22:
-	VZEROUPPER
+	BYTE $0xc5; BYTE $0xf8; BYTE $0x77 // VZEROUPPER
 	MOVQ X0, x+24(FP)
 	RET
 

sample_test.go

@@ -63,46 +63,81 @@ func BenchmarkCopy1000000(b *testing.B) {
 	}
 }
 
-func BenchmarkSampleCalc4K(b *testing.B) {
+func BenchmarkSampleCalc4KSampleSum(b *testing.B) {
 	s := make([]int64, 4096)
 	for i := 0; i < len(s); i++ {
 		s[i] = int64(i)
 	}
-	b.Run("SampleSum", func(b *testing.B) {
-		for i := 0; i < b.N; i++ {
-			SampleSum(s)
-		}
-	})
-	b.Run("SampleMax", func(b *testing.B) {
-		for i := 0; i < b.N; i++ {
-			SampleMax(s)
-		}
-	})
-	b.Run("SampleMin", func(b *testing.B) {
-		for i := 0; i < b.N; i++ {
-			SampleMin(s)
-		}
-	})
-	b.Run("SampleMean", func(b *testing.B) {
-		for i := 0; i < b.N; i++ {
-			SampleMean(s)
-		}
-	})
-	b.Run("SampleStdDev", func(b *testing.B) {
-		for i := 0; i < b.N; i++ {
-			SampleStdDev(s)
-		}
-	})
-	b.Run("SampleVariance", func(b *testing.B) {
-		for i := 0; i < b.N; i++ {
-			SampleVariance(s)
-		}
-	})
-	b.Run("SamplePercentile", func(b *testing.B) {
-		for i := 0; i < b.N; i++ {
-			SamplePercentile(s, 0.5)
-		}
-	})
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		SampleSum(s)
+	}
+}
+
+func BenchmarkSampleCalc4KSampleMax(b *testing.B) {
+	s := make([]int64, 4096)
+	for i := 0; i < len(s); i++ {
+		s[i] = int64(i)
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		SampleMax(s)
+	}
+}
+
+func BenchmarkSampleCalc4KSampleMin(b *testing.B) {
+	s := make([]int64, 4096)
+	for i := 0; i < len(s); i++ {
+		s[i] = int64(i)
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		SampleMin(s)
+	}
+}
+
+func BenchmarkSampleCalc4KSampleMean(b *testing.B) {
+	s := make([]int64, 4096)
+	for i := 0; i < len(s); i++ {
+		s[i] = int64(i)
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		SampleMean(s)
+	}
+}
+
+func BenchmarkSampleCalc4KSampleStdDev(b *testing.B) {
+	s := make([]int64, 4096)
+	for i := 0; i < len(s); i++ {
+		s[i] = int64(i)
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		SampleStdDev(s)
+	}
+}
+
+func BenchmarkSampleCalc4KSampleVariance(b *testing.B) {
+	s := make([]int64, 4096)
+	for i := 0; i < len(s); i++ {
+		s[i] = int64(i)
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		SampleVariance(s)
+	}
+}
+
+func BenchmarkSampleCalc4KSamplePercentile(b *testing.B) {
+	s := make([]int64, 4096)
+	for i := 0; i < len(s); i++ {
+		s[i] = int64(i)
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		SamplePercentile(s, 0.5)
+	}
 }
 
 func BenchmarkExpDecaySample257(b *testing.B) {