예제 #1
0
    def infer_shape_conv_pool_shape(self, op):
        input_shape = self._output_shape_cache[op.input[0]]
        output_shape = np.zeros_like(input_shape)
        if op.type == MaceOp.Pooling:
            filter_shape = list(
                ConverterUtil.get_arg(op, MaceKeyword.mace_kernel_str).ints)
            if ConverterUtil.data_format(op) == DataFormat.NCHW:
                filter_shape = [input_shape[1], input_shape[1]] + filter_shape
                if ConverterUtil.get_arg(op,
                                         MaceKeyword.mace_global_pooling_str) \
                        is not None:
                    filter_shape[2] = input_shape[2]
                    filter_shape[3] = input_shape[3]
            else:  # NHWC
                filter_shape = filter_shape + [input_shape[1], input_shape[1]]
                if ConverterUtil.get_arg(op,
                                         MaceKeyword.mace_global_pooling_str) \
                        is not None:
                    filter_shape[0] = input_shape[1]
                    filter_shape[1] = input_shape[2]
        else:
            filter_shape = self._output_shape_cache[op.input[1]]

        paddings = ConverterUtil.get_arg(
            op, MaceKeyword.mace_padding_values_str).ints  # noqa
        strides = ConverterUtil.get_arg(op, MaceKeyword.mace_strides_str).ints
        dilations_arg = ConverterUtil.get_arg(op,
                                              MaceKeyword.mace_dilations_str)
        if dilations_arg is not None:
            dilations = dilations_arg.ints
        else:
            dilations = [1, 1]
        if op.type == MaceOp.Pooling:
            round_func = math.ceil
        else:
            round_func = math.floor

        output_shape[0] = input_shape[0]
        if ConverterUtil.data_format(op) == DataFormat.NCHW \
                and ConverterUtil.filter_format(self._net) == DataFormat.OIHW:  # noqa
            # filter format: OIHW
            if op.type == MaceOp.DepthwiseConv2d.name:
                output_shape[1] = filter_shape[0] * filter_shape[1]
            else:
                output_shape[1] = filter_shape[0]
            output_shape[2] = int(
                round_func((input_shape[2] + paddings[0] - filter_shape[2] -
                            (filter_shape[2] - 1) *
                            (dilations[0] - 1)) / float(strides[0]))) + 1
            output_shape[3] = int(
                round_func((input_shape[3] + paddings[1] - filter_shape[3] -
                            (filter_shape[3] - 1) *
                            (dilations[1] - 1)) / float(strides[1]))) + 1
        else:
            mace_check(
                False, "Mace can only infer shape for"
                " NCHW input and OIHW filter")

        self.add_output_shape(op, [output_shape])
예제 #2
0
    def infer_shape_deconv(self, op):
        input_shape = self._output_shape_cache[op.input[0]]
        output_shape = np.zeros_like(input_shape)
        filter_shape = self._output_shape_cache[op.input[1]]

        paddings = ConverterUtil.get_arg(
            op, MaceKeyword.mace_padding_values_str).ints  # noqa
        strides = ConverterUtil.get_arg(op, MaceKeyword.mace_strides_str).ints
        dilations_arg = ConverterUtil.get_arg(op,
                                              MaceKeyword.mace_dilations_str)
        if dilations_arg is not None:
            dilations = dilations_arg.ints
        else:
            dilations = [1, 1]
        round_func = math.floor

        group_arg = ConverterUtil.get_arg(op, MaceKeyword.mace_group_str)
        output_shape[0] = input_shape[0]
        if ConverterUtil.data_format(op) == DataFormat.NCHW \
                and ConverterUtil.filter_format(self._net) == DataFormat.OIHW:  # noqa
            # filter format: IOHW
            output_shape[1] = filter_shape[1]
            if group_arg is not None and group_arg.i > 1:
                output_shape[1] = group_arg.i * filter_shape[1]
            output_shape[2] = int(
                round_func((input_shape[2] - 1) * strides[0] +
                           (filter_shape[2] - 1) * (dilations[0] - 1) +
                           filter_shape[2] - paddings[0]))
            output_shape[3] = int(
                round_func((input_shape[3] - 1) * strides[1] +
                           (filter_shape[3] - 1) * (dilations[1] - 1) +
                           filter_shape[3] - paddings[1]))
        else:
            mace_check(
                False, "Mace can only infer shape for"
                " NCHW input and OIHW filter")
        print("deconv layer %s (%s) input:%s filter:%s output:%s" %
              (op.name, op.type, input_shape, filter_shape, output_shape))

        self.add_output_shape(op, [output_shape])
예제 #3
0
    def infer_shape_conv2d_pool(self, op):
        input_shape = self._output_shape_cache[op.input[0]]
        output_shape = np.zeros_like(input_shape)
        if not op.type == MaceOp.Pooling:
            filter_shape = self._output_shape_cache[op.input[1]]
        paddings = ConverterUtil.get_arg(
            op, MaceKeyword.mace_padding_values_str).ints  # noqa
        strides = ConverterUtil.get_arg(op, MaceKeyword.mace_strides_str).ints
        dilations_arg = ConverterUtil.get_arg(op,
                                              MaceKeyword.mace_dilations_str)
        if dilations_arg is not None:
            dilations = dilations_arg.ints
        else:
            dilations = [1, 1]  # MACE pooling has no dilation
        if op.type == MaceOp.Pooling.name:
            kernels = ConverterUtil.get_arg(op,
                                            MaceKeyword.mace_kernel_str).ints
            if ConverterUtil.get_arg(
                    op, MaceKeyword.mace_global_pooling_str) is not None:
                kernels[0] = input_shape[2]
                kernels[1] = input_shape[3]

        round_func = math.floor
        round_mode_arg = ConverterUtil.get_arg(op,
                                               MaceKeyword.mace_round_mode_str)
        if round_mode_arg is not None and \
                round_mode_arg.i == RoundMode.CEIL.value:
            round_func = math.ceil

        # N_o = N_i
        output_shape[0] = input_shape[0]
        mace_check(
            ConverterUtil.data_format(op) == DataFormat.NCHW and
            ConverterUtil.filter_format(self._mace_net_def) == DataFormat.OIHW,
            "MACE can only infer shape for NCHW input and OIHW filter")  # noqa
        # get C_{out}
        if op.type == MaceOp.DepthwiseConv2d.name:
            # 1CHW for depthwise, here C=C_{out}
            output_shape[1] = filter_shape[1]
        elif op.type == MaceOp.Conv2D.name:
            # filter format: OIHW
            output_shape[1] = filter_shape[0]
        else:
            output_shape[1] = input_shape[1]
        # H_{out}
        p, d, s = paddings[0], dilations[0], strides[0]
        k = kernels[0] if op.type == MaceOp.Pooling.name \
            else filter_shape[2]
        # https://pytorch.org/docs/stable/generated/torch.nn.Conv2d.html
        output_shape[2] = int(
            round_func(
                float(input_shape[2] + p - d * (k - 1) - 1) / float(s) + 1))
        # W_{out}
        p, d, s = paddings[1], dilations[1], strides[1]
        k = kernels[1] if op.type == MaceOp.Pooling.name \
            else filter_shape[3]
        output_shape[3] = int(
            round_func(
                float(input_shape[3] + p - d * (k - 1) - 1) / float(s) + 1))

        self.add_output_shape(op, [output_shape])