X-Git-Url: http://git.osdn.net/view?p=bytom%2Fvapor.git;a=blobdiff_plain;f=vendor%2Fgonum.org%2Fv1%2Fgonum%2Fblas%2Ftestblas%2Flevel2bench.go;fp=vendor%2Fgonum.org%2Fv1%2Fgonum%2Fblas%2Ftestblas%2Flevel2bench.go;h=f5b7db4da80efbec5d315784048e4f83814d2d38;hp=0000000000000000000000000000000000000000;hb=db158dcf09436b003defd333f1a665e7e051d820;hpb=d09b7a78d44dc259725902b8141cdba0d716b121

diff --git a/vendor/gonum.org/v1/gonum/blas/testblas/level2bench.go b/vendor/gonum.org/v1/gonum/blas/testblas/level2bench.go
new file mode 100644
index 00000000..f5b7db4d
--- /dev/null
+++ b/vendor/gonum.org/v1/gonum/blas/testblas/level2bench.go
@@ -0,0 +1,61 @@
+package testblas
+
+import (
+	"testing"
+
+	"golang.org/x/exp/rand"
+
+	"gonum.org/v1/gonum/blas"
+)
+
+func DgemvBenchmark(b *testing.B, blasser Dgemver, tA blas.Transpose, m, n, incX, incY int) {
+	var lenX, lenY int
+	if tA == blas.NoTrans {
+		lenX = n
+		lenY = m
+	} else {
+		lenX = m
+		lenY = n
+	}
+	xr := make([]float64, lenX)
+	for i := range xr {
+		xr[i] = rand.Float64()
+	}
+	x := makeIncremented(xr, incX, 0)
+	yr := make([]float64, lenY)
+	for i := range yr {
+		yr[i] = rand.Float64()
+	}
+	y := makeIncremented(yr, incY, 0)
+	a := make([]float64, m*n)
+	for i := range a {
+		a[i] = rand.Float64()
+	}
+
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		blasser.Dgemv(tA, m, n, 2, a, n, x, incX, 3, y, incY)
+	}
+}
+
+func DgerBenchmark(b *testing.B, blasser Dgerer, m, n, incX, incY int) {
+	xr := make([]float64, m)
+	for i := range xr {
+		xr[i] = rand.Float64()
+	}
+	x := makeIncremented(xr, incX, 0)
+	yr := make([]float64, n)
+	for i := range yr {
+		yr[i] = rand.Float64()
+	}
+	y := makeIncremented(yr, incY, 0)
+	a := make([]float64, m*n)
+	for i := range a {
+		a[i] = rand.Float64()
+	}
+
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		blasser.Dger(m, n, 2, x, incX, y, incY, a, n)
+	}
+}