Exemplo n.º 1
0
        protected override void OnPlanning(GraphPlanContext context)
        {
            var graph   = context.TFGraph;
            var input   = context.TFOutputs[Input.Connection.From];
            var weights = Weights.ToHWIO();
            var bias    = Bias?.ToNHWC();

            var y = graph.Conv2D(input, graph.Const(weights),
                                 new long[] { 1, StrideHeight, StrideWidth, 1 }, Padding.ToString().ToUpperInvariant());

            if (bias != null)
            {
                y = graph.BiasAdd(y, graph.Const(bias));
            }
            context.TFOutputs[Output] = graph.AddActivation(y, FusedActivationFunction);
        }
Exemplo n.º 2
0
        protected override void OnPlanning(GraphPlanContext context)
        {
            var graph   = context.TFGraph;
            var y       = context.TFOutputs[Input.Connection.From];
            var weights = Weights.ToHWIO();

            if (Input.Dimensions.Length == 4 && Input.Dimensions[2] == 1 && Input.Dimensions[3] == 1)
            {
                y = graph.Reshape(y, graph.Const(new[] { Input.Dimensions[0], Input.Dimensions[1] }));
            }

            y = graph.MatMul(y, graph.Const(weights));
            if (Bias != null)
            {
                y = graph.BiasAdd(y, graph.Const(Bias.ToNHWC()));
            }

            context.TFOutputs[Output] = graph.AddActivation(y, FusedActivationFunction);
        }
Exemplo n.º 3
0
        protected override void OnPlanning(GraphPlanContext context)
        {
            var graph   = context.TFGraph;
            var input   = context.TFOutputs[Input.Connection.From];
            var weights = Weights.ToHWIO();
            var bias    = Bias.ToNHWC();

            TFOutput y;

            if (PoolType == K210PoolType.LeftTop)
            {
                y = KernelWidth == 1 ? input : graph.SpaceToBatchND(input, graph.Const(new[] { 1, 1 }), graph.Const(new[, ] {
                    { 1, 1 }, { 1, 1 }
                }));
                y = Conv2dType == K210Conv2dType.Conv2d
                    ? graph.Conv2D(y, graph.Const(weights), new long[] { 1, 2, 2, 1 }, "VALID")
                    : graph.DepthwiseConv2dNative(y, graph.Const(weights), new long[] { 1, 2, 2, 1 }, "VALID");
            }
            else
            {
                y = Conv2dType == K210Conv2dType.Conv2d
                    ? graph.Conv2D(input, graph.Const(weights), new long[] { 1, 1, 1, 1 }, "SAME")
                    : graph.DepthwiseConv2dNative(input, graph.Const(weights), new long[] { 1, 1, 1, 1 }, "SAME");
            }

            y = graph.BiasAdd(y, graph.Const(bias));
            context.AdditionalTFOutputs[OutputBeforeActivation] = y;
            y = AddActivation(graph, y, FusedActivationFunction, NonTrivialActivation);

            switch (PoolType)
            {
            case K210PoolType.MaxPool2x2:
                y = graph.MaxPool(y, new long[] { 1, 2, 2, 1 }, new long[] { 1, 2, 2, 1 }, "VALID");
                break;

            case K210PoolType.AveragePool2x2:
                y = graph.AvgPool(y, new long[] { 1, 2, 2, 1 }, new long[] { 1, 2, 2, 1 }, "VALID");
                break;

            case K210PoolType.MaxPool4x4:
                y = graph.MaxPool(y, new long[] { 1, 4, 4, 1 }, new long[] { 1, 4, 4, 1 }, "VALID");
                break;

            case K210PoolType.AveragePool4x4:
                y = graph.AvgPool(y, new long[] { 1, 4, 4, 1 }, new long[] { 1, 4, 4, 1 }, "VALID");
                break;

            case K210PoolType.MaxPool2x2Stride1:
                y = graph.MaxPool(y, new long[] { 1, 2, 2, 1 }, new long[] { 1, 1, 1, 1 }, "SAME");
                break;

            case K210PoolType.AveragePool2x2Stride1:
                y = graph.AvgPool(y, new long[] { 1, 2, 2, 1 }, new long[] { 1, 1, 1, 1 }, "SAME");
                break;

            default:
                break;
            }

            context.TFOutputs[Output] = y;
        }