experiments/STT-tensorflow
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Combine AddGradients and AddGradientsWithPrefix Methods in golang

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This commit is contained in:
Cibifang 2018-09-08 20:40:04 +08:00
parent ccccbe7259
commit a9a6c8efec
2 changed files with 12 additions and 19 deletions

13
tensorflow/go/graph.go
View File

@ -147,18 +147,11 @@ func (g *Graph) Operations() []Operation {
return ops return ops
} }
// AddGradients adds operations to compute the partial derivatives of sum of `y`s w.r.t `x`s,
// i.e., d(y_1 + y_2 + ...)/dx_1, d(y_1 + y_2 + ...)/dx_2...
// This is a simplified version of AddGradientsWithPrefix() without prefix
func (g *Graph) AddGradients(y []Output, x []Output, dx []Output) ([]Output, error) {
return g.AddGradientsWithPrefix("", y, x, dx)
}
// AddGradientsWithPrefix adds operations to compute the partial derivatives of sum of `y`s w.r.t `x`s, // AddGradientsWithPrefix adds operations to compute the partial derivatives of sum of `y`s w.r.t `x`s,
// i.e., d(y_1 + y_2 + ...)/dx_1, d(y_1 + y_2 + ...)/dx_2... // i.e., d(y_1 + y_2 + ...)/dx_1, d(y_1 + y_2 + ...)/dx_2...
// This is a variant of AddGradients that allows to caller to pass a custom // This methods allows to caller to pass a custom name prefix to the operations
// name prefix to the operations added to a graph to compute the gradients. // added to a graph to compute the gradients.
func (g *Graph) AddGradientsWithPrefix(prefix string, y []Output, x []Output, dx []Output) ([]Output, error) { func (g *Graph) AddGradients(prefix string, y []Output, x []Output, dx []Output) ([]Output, error) {
var ( var (
cprefix = C.CString(prefix) cprefix = C.CString(prefix)

18
tensorflow/go/graph_test.go
View File

@ -119,7 +119,7 @@ func TestGraphAddGradients(t *testing.T) {
} }
y2 := op2.Output(0) y2 := op2.Output(0)
grads0, err := g.AddGradients([]Output{y1}, []Output{x1}, nil) grads0, err := g.AddGradients("", []Output{y1}, []Output{x1}, nil)
if err != nil { if err != nil {
t.Fatal(err) t.Fatal(err)
} }
@ -130,7 +130,7 @@ func TestGraphAddGradients(t *testing.T) {
t.Fatalf("Got DataType %v, wanted %v", grads0[0].DataType(), Float) t.Fatalf("Got DataType %v, wanted %v", grads0[0].DataType(), Float)
} }
grads1, err := g.AddGradients([]Output{y2}, []Output{x1, x2}, nil) grads1, err := g.AddGradients("", []Output{y2}, []Output{x1, x2}, nil)
if err != nil { if err != nil {
t.Fatal(err) t.Fatal(err)
} }
@ -194,7 +194,7 @@ func TestGraphAddGradientsSums(t *testing.T) {
}) })
y1 := op1.Output(0) y1 := op1.Output(0)
grad, err := g.AddGradients([]Output{y0, y1}, []Output{x}, nil) grad, err := g.AddGradients("", []Output{y0, y1}, []Output{x}, nil)
if err != nil { if err != nil {
t.Fatal(err) t.Fatal(err)
} }
@ -245,7 +245,7 @@ func TestGraphAddGradientsWithInitialValuesToGraph(t *testing.T) {
} }
y1 := op1.Output(0) y1 := op1.Output(0)
grads0, err := g.AddGradients([]Output{y1}, []Output{y0}, nil) grads0, err := g.AddGradients("", []Output{y1}, []Output{y0}, nil)
if err != nil { if err != nil {
t.Fatal(err) t.Fatal(err)
} }
@ -256,7 +256,7 @@ func TestGraphAddGradientsWithInitialValuesToGraph(t *testing.T) {
t.Fatalf("Got DataType %v, wanted %v", grads0[0].DataType(), Float) t.Fatalf("Got DataType %v, wanted %v", grads0[0].DataType(), Float)
} }
grads1, err := g.AddGradients([]Output{y0}, []Output{x}, []Output{grads0[0]}) grads1, err := g.AddGradients("", []Output{y0}, []Output{x}, []Output{grads0[0]})
if err != nil { if err != nil {
t.Fatal(err) t.Fatal(err)
} }
@ -301,7 +301,7 @@ func TestGraphValidateGradientsNames(t *testing.T) {
} }
y0 := op0.Output(0) y0 := op0.Output(0)
grads0, err := g.AddGradients([]Output{y0}, []Output{x}, nil) grads0, err := g.AddGradients("", []Output{y0}, []Output{x}, nil)
if err != nil { if err != nil {
t.Fatal(err) t.Fatal(err)
} }
@ -309,7 +309,7 @@ func TestGraphValidateGradientsNames(t *testing.T) {
t.Fatalf("Got name %v, wanted started with gradients/", grads0[0].Op.Name()) t.Fatalf("Got name %v, wanted started with gradients/", grads0[0].Op.Name())
} }
grads1, err := g.AddGradients([]Output{y0}, []Output{x}, nil) grads1, err := g.AddGradients("", []Output{y0}, []Output{x}, nil)
if err != nil { if err != nil {
t.Fatal(err) t.Fatal(err)
} }
@ -317,7 +317,7 @@ func TestGraphValidateGradientsNames(t *testing.T) {
t.Fatalf("Got name %v, wanted started with gradients_1/", grads1[0].Op.Name()) t.Fatalf("Got name %v, wanted started with gradients_1/", grads1[0].Op.Name())
} }
grads2, err := g.AddGradientsWithPrefix("more_gradients", []Output{y0}, []Output{x}, nil) grads2, err := g.AddGradients("more_gradients", []Output{y0}, []Output{x}, nil)
if err != nil { if err != nil {
t.Fatal(err) t.Fatal(err)
} }
@ -325,7 +325,7 @@ func TestGraphValidateGradientsNames(t *testing.T) {
t.Fatalf("Got name %v, wanted started with more_gradients/", grads2[0].Op.Name()) t.Fatalf("Got name %v, wanted started with more_gradients/", grads2[0].Op.Name())
} }
grads3, err := g.AddGradientsWithPrefix("even_more_gradients", []Output{y0}, []Output{x}, nil) grads3, err := g.AddGradients("even_more_gradients", []Output{y0}, []Output{x}, nil)
if err != nil { if err != nil {
t.Fatal(err) t.Fatal(err)
} }