nn.h

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 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
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#ifndef TVM_RELAY_ATTRS_NN_H_
#define TVM_RELAY_ATTRS_NN_H_
 
#include <tvm/ir/attrs.h>
#include <tvm/relay/base.h>
 
#include <string>
 
namespace tvm {
namespace relay {
 
struct BiasAddAttrs : public tvm::AttrsNode<BiasAddAttrs> {
  int axis;
 
  TVM_DECLARE_ATTRS(BiasAddAttrs, "relay.attrs.BiasAddAttrs") {
    TVM_ATTR_FIELD(axis).describe("The axis to add the bias").set_default(1);
  }
};
 
struct Conv1DAttrs : public tvm::AttrsNode<Conv1DAttrs> {
  Array<IndexExpr> strides;
  Array<IndexExpr> padding;
  Array<IndexExpr> dilation;
  int groups;
  IndexExpr channels;
  Array<IndexExpr> kernel_size;
  tvm::String data_layout;
  tvm::String kernel_layout;
  tvm::String out_layout;
  DataType out_dtype;
 
  TVM_DECLARE_ATTRS(Conv1DAttrs, "relay.attrs.Conv1DAttrs") {
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({
            1,
        }))
        .describe("Specifies the stride of the convolution.");
    TVM_ATTR_FIELD(padding)
        .set_default(Array<IndexExpr>({0, 0}))
        .describe(
            "If padding is non-zero, then the input is implicitly zero-padded"
            "on both sides for padding number of points");
    TVM_ATTR_FIELD(dilation)
        .set_default(Array<IndexExpr>({
            1,
        }))
        .describe("Specifies the dilation rate to use for dilated convolution.");
    TVM_ATTR_FIELD(groups).set_default(1).describe(
        "Currently unused but may be added in the future.");
    TVM_ATTR_FIELD(channels)
        .describe(
            "The number of output channels in the convolution."
            " If it is not set, inferred by shape of the weight.")
        .set_default(NullValue<IndexExpr>());
    TVM_ATTR_FIELD(kernel_size)
        .describe("Specifies the dimensions of the convolution window.")
        .set_default(NullValue<Array<IndexExpr>>());
    TVM_ATTR_FIELD(data_layout)
        .set_default("NCW")
        .describe(
            "Dimension ordering of input data. Can be 'NCW', 'NWC', etc."
            "'N', 'C', 'W' stands for batch, channel, and width"
            "dimensions respectively. Convolution is applied on the 'W'"
            "dimension.");
    TVM_ATTR_FIELD(kernel_layout)
        .set_default("OIW")
        .describe(
            "Dimension ordering of weight. Can be 'OIW', or 'WIO', etc."
            "'O', 'I', 'W' stands for num_filter, input_channel, and width"
            "dimensions respectively.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output. Can be 'NCW', 'NWC', etc."
            "'N', 'C', 'W' stands for batch, channel, and width"
            "dimensions respectively. Default to be same as input layout.");
 
    // use 0 bits to indicate none.
    TVM_ATTR_FIELD(out_dtype)
        .set_default(NullValue<DataType>())
        .describe("Output data type, set to explicit type under mixed precision setting");
  }
};
 
struct Conv2DAttrs : public tvm::AttrsNode<Conv2DAttrs> {
  Array<IndexExpr> strides;
  Array<IndexExpr> padding;
  Array<IndexExpr> dilation;
  int groups;
  IndexExpr channels;
  Array<IndexExpr> kernel_size;
  tvm::String data_layout;
  tvm::String kernel_layout;
  tvm::String out_layout;
  tvm::String auto_scheduler_rewritten_layout;   // The layout after auto-scheduler's layout rewrite
  Array<PrimExpr> meta_schedule_original_shape;  // The original shape of the weights
  DataType out_dtype;
 
  TVM_DECLARE_ATTRS(Conv2DAttrs, "relay.attrs.Conv2DAttrs") {
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({1, 1}))
        .describe("Specifies the strides of the convolution.");
    TVM_ATTR_FIELD(padding)
        .set_default(Array<IndexExpr>({0, 0}))
        .describe(
            "If padding is non-zero, then the input is implicitly zero-padded"
            "Padding support both symmetric and asymmetric as"
            "one int : same padding used on all sides"
            "two int : bottom, right will use same padding as top, left"
            "four int : padding width in the order of (top, left, bottom, right)");
    TVM_ATTR_FIELD(dilation)
        .set_default(Array<IndexExpr>({1, 1}))
        .describe("Specifies the dilation rate to use for dilated convolution.");
    TVM_ATTR_FIELD(groups).set_default(1).describe(
        "Controls the connections between inputs and outputs."
        "At groups=1, all inputs are convolved to all outputs."
        "At groups=2, the operation becomes equivalent to having two convolution"
        "layers side by side, each seeing half the input channels, and producing"
        "half the output channels, and both subsequently concatenated.");
    TVM_ATTR_FIELD(channels)
        .describe(
            "The number of output channels in the convolution."
            " If it is not set, inferred by shape of the weight.")
        .set_default(NullValue<IndexExpr>());
    TVM_ATTR_FIELD(kernel_size)
        .describe("Specifies the dimensions of the convolution window.")
        .set_default(NullValue<Array<IndexExpr>>());
    TVM_ATTR_FIELD(data_layout)
        .set_default("NCHW")
        .describe(
            "Dimension ordering of input data. Can be 'NCHW', 'NHWC', etc."
            "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
            "dimensions respectively. Convolution is applied on the 'H' and"
            "'W' dimensions.");
    TVM_ATTR_FIELD(kernel_layout)
        .set_default("OIHW")
        .describe(
            "Dimension ordering of weight. Can be 'OIHW', 'OIHW16o16i', etc."
            "'O', 'I', 'H', 'W' stands for num_filter, input_channel, height, and width"
            "dimensions respectively.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output. Can be 'NCHW', 'NHWC', etc."
            "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
            "dimensions respectively. Default to be same as input layout.");
 
    // use 0 bits to indicate none.
    TVM_ATTR_FIELD(out_dtype)
        .set_default(NullValue<DataType>())
        .describe("Output data type, set to explicit type under mixed precision setting");
  }
};
 
struct ConvWinogradWeightTransformAttrs : public tvm::AttrsNode<ConvWinogradWeightTransformAttrs> {
  int tile_size;
 
  TVM_DECLARE_ATTRS(ConvWinogradWeightTransformAttrs,
                    "relay.attrs.ConvWinogradWeightTransformAttrs") {
    TVM_ATTR_FIELD(tile_size).describe(
        "Tile size of winograd. E.g. 2 for F(2x2, 3x3) and 4 for F(4x4, 3x3)");
  }
};
 
struct ConvGemmWeightTransformAttrs : public tvm::AttrsNode<ConvGemmWeightTransformAttrs> {
  int tile_rows;
  int tile_cols;
 
  TVM_DECLARE_ATTRS(ConvGemmWeightTransformAttrs, "relay.attrs.ConvGemmWeightTransformAttrs") {
    TVM_ATTR_FIELD(tile_rows).describe("Tile rows of the weight transformation for ConvGemm.");
    TVM_ATTR_FIELD(tile_cols).describe("Tile columns of the weight transformation for ConvGemm.");
  }
};
 
struct Conv2DWinogradAttrs : public tvm::AttrsNode<Conv2DWinogradAttrs> {
  int tile_size;
  Array<IndexExpr> strides;
  Array<IndexExpr> padding;
  Array<IndexExpr> dilation;
  int groups;
  IndexExpr channels;
  Array<IndexExpr> kernel_size;
  tvm::String data_layout;
  tvm::String kernel_layout;
  tvm::String out_layout;
  tvm::String auto_scheduler_rewritten_layout;   // The layout after auto-scheduler's layout rewrite
  Array<PrimExpr> meta_schedule_original_shape;  // The original shape of the weights
  DataType out_dtype;
 
  TVM_DECLARE_ATTRS(Conv2DWinogradAttrs, "relay.attrs.Conv2DWinogradAttrs") {
    TVM_ATTR_FIELD(tile_size).describe(
        "The tile size of winograd. E.g. 2 for F(2x2, 3x3) and 4 for F(4x4, 3x3)");
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({1, 1}))
        .describe("Specifies the strides of the convolution.");
    TVM_ATTR_FIELD(padding)
        .set_default(Array<IndexExpr>({0, 0}))
        .describe(
            "If padding is non-zero, then the input is implicitly zero-padded"
            "Padding support both symmetric and asymmetric as"
            "one int : same padding used on all sides"
            "two int : bottom, right will use same padding as top, left"
            "four int : padding width in the order of (top, left, bottom, right)");
    TVM_ATTR_FIELD(dilation)
        .set_default(Array<IndexExpr>({1, 1}))
        .describe("Specifies the dilation rate to use for dilated convolution.");
    TVM_ATTR_FIELD(groups).set_default(1).describe(
        "Controls the connections between inputs and outputs."
        "At groups=1, all inputs are convolved to all outputs."
        "At groups=2, the operation becomes equivalent to having two convolution"
        "layers side by side, each seeing half the input channels, and producing"
        "half the output channels, and both subsequently concatenated.");
    TVM_ATTR_FIELD(channels)
        .describe(
            "The number of output channels in the convolution."
            " If it is not set, inferred by shape of the weight.")
        .set_default(NullValue<IndexExpr>());
    TVM_ATTR_FIELD(kernel_size)
        .describe("Specifies the dimensions of the convolution window.")
        .set_default(NullValue<Array<IndexExpr>>());
    TVM_ATTR_FIELD(data_layout)
        .set_default("NCHW")
        .describe(
            "Dimension ordering of input data. Can be 'NCHW', 'NHWC', etc."
            "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
            "dimensions respectively. Convolution is applied on the 'H' and"
            "'W' dimensions.");
    TVM_ATTR_FIELD(kernel_layout)
        .set_default("OIHW")
        .describe(
            "Dimension ordering of weight. Can be 'OIHW', 'OIHW16o16i', etc."
            "'O', 'I', 'H', 'W' stands for num_filter, input_channel, height, and width"
            "dimensions respectively.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output. Can be 'NCHW', 'NHWC', etc."
            "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
            "dimensions respectively. Default to be same as input layout.");
 
    // use 0 bits to indicate none.
    TVM_ATTR_FIELD(out_dtype)
        .set_default(NullValue<DataType>())
        .describe("Output data type, set to explicit type under mixed precision setting");
  }
};
 
struct Conv2DWinogradNNPACKWeightTransformAttrs
    : public tvm::AttrsNode<Conv2DWinogradNNPACKWeightTransformAttrs> {
  int convolution_algorithm;
  DataType out_dtype;
 
  TVM_DECLARE_ATTRS(Conv2DWinogradNNPACKWeightTransformAttrs,
                    "relay.attrs.Conv2DWinogradNNPACKWeightTransformAttrs") {
    TVM_ATTR_FIELD(convolution_algorithm)
        .describe(
            "The convolution algorithm for Winograd NNPACK. "
            "E.g. tvm.contrib.nnpack.ConvolutionAlgorithm.WT_8x8 for WT_8x8, "
            "tvm.contrib.nnpack.ConvolutionAlgorithm.WT_8x8_FP16 for WT_8x8_FP16");
    TVM_ATTR_FIELD(out_dtype)
        .set_default(NullValue<DataType>())
        .describe("Output data type, set to explicit type under mixed precision setting");
  }
};
 
struct Conv3DAttrs : public tvm::AttrsNode<Conv3DAttrs> {
  Array<IndexExpr> strides;
  Array<IndexExpr> padding;
  Array<IndexExpr> dilation;
  int groups;
  IndexExpr channels;
  Array<IndexExpr> kernel_size;
  tvm::String data_layout;
  tvm::String kernel_layout;
  tvm::String out_layout;
  tvm::String auto_scheduler_rewritten_layout;   // The layout after auto-scheduler's layout rewrite
  Array<PrimExpr> meta_schedule_original_shape;  // The original shape of the weights
  DataType out_dtype;
 
  TVM_DECLARE_ATTRS(Conv3DAttrs, "relay.attrs.Conv3DAttrs") {
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({1, 1, 1}))
        .describe("Specifies the strides of the convolution.");
    TVM_ATTR_FIELD(padding)
        .set_default(Array<IndexExpr>({0, 0, 0}))
        .describe(
            "If padding is non-zero, then the input is implicitly zero-padded"
            "Padding support both symmetric and asymmetric as"
            "one int : same padding used on all sides"
            "three int : back, bottom, right will use same padding as front, top, left"
            "six int : padding width in the order of (front, top, left, back, bottom,"
            "right)");
    TVM_ATTR_FIELD(dilation)
        .set_default(Array<IndexExpr>({1, 1, 1}))
        .describe("Specifies the dilation rate to use for dilated convolution.");
    TVM_ATTR_FIELD(groups).set_default(1).describe(
        "Controls the connections between inputs and outputs."
        "At groups=1, all inputs are convolved to all outputs."
        "At groups=2, the operation becomes equivalent to having two convolution"
        "layers side by side, each seeing half the input channels, and producing"
        "half the output channels, and both subsequently concatenated.");
    TVM_ATTR_FIELD(channels)
        .describe(
            "The number of output channels in the convolution."
            " If it is not set, inferred by shape of the weight.")
        .set_default(NullValue<IndexExpr>());
    TVM_ATTR_FIELD(kernel_size)
        .describe("Specifies the dimensions of the convolution window.")
        .set_default(NullValue<Array<IndexExpr>>());
    TVM_ATTR_FIELD(data_layout)
        .set_default("NCDHW")
        .describe(
            "Dimension ordering of input data. Can be 'NCDHW', 'NDHWC', etc."
            "'N', 'C', 'D', 'H', 'W' stands for batch, channel, depth, height, and width"
            "dimensions respectively. Convolution is applied on the 'D', 'H' and"
            "'W' dimensions.");
    TVM_ATTR_FIELD(kernel_layout)
        .set_default("OIDHW")
        .describe(
            "Dimension ordering of weight. Can be 'OIDHW', 'OIDHW16o16i', etc."
            "'O', 'I', 'D', 'H', 'W' stands for num_filter, input_channel, depth, height,"
            "and width dimensions respectively.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output. Can be 'NCDHW', 'NDHWC', etc."
            "'N', 'C', 'D', 'H', 'W' stands for batch, channel, depth, height, and width"
            "dimensions respectively. Default to be same as input layout.");
 
    // use 0 bits to indicate none.
    TVM_ATTR_FIELD(out_dtype)
        .set_default(NullValue<DataType>())
        .describe("Output data type, set to explicit type under mixed precision setting");
  }
};
 
struct Conv3DTransposeAttrs : public tvm::AttrsNode<Conv3DTransposeAttrs> {
  IndexExpr channels;
  Array<IndexExpr> kernel_size;
  Array<IndexExpr> strides;
  Array<IndexExpr> padding;
  Array<IndexExpr> output_padding;
  Array<IndexExpr> dilation;
  int groups;
  tvm::String data_layout;
  tvm::String kernel_layout;
  tvm::String out_layout;
  DataType out_dtype;
 
  TVM_DECLARE_ATTRS(Conv3DTransposeAttrs, "relay.attrs.Conv3DTransposeAttrs") {
    TVM_ATTR_FIELD(channels)
        .set_default(NullValue<IndexExpr>())
        .describe(
            "The dimensionality of the output space"
            "i.e. the number of output channels in the convolution.");
    TVM_ATTR_FIELD(kernel_size)
        .describe("The dimensions of the convolution window.")
        .set_default(NullValue<Array<IndexExpr>>());
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({1, 1, 1}))
        .describe("The strides of the convolution.");
    TVM_ATTR_FIELD(output_padding)
        .set_default(Array<IndexExpr>({0, 0, 0}))
        .describe(
            "Zero-padding added to one side of the output."
            "Padding support both symmetric and asymmetric as"
            "one int : same padding used on all sides"
            "three int : front, bottom, right will use same padding as back, top, left"
            "six int : padding width in the order of (front, top, left, back, bottom, right)");
    TVM_ATTR_FIELD(padding)
        .set_default(Array<IndexExpr>({0, 0, 0}))
        .describe(
            "If padding is non-zero, then the input is implicitly zero-padded"
            "Padding support both symmetric and asymmetric as"
            "one int : same padding used on all sides"
            "three int : front, bottom, right will use same padding as back, top, left"
            "six int : padding width in the order of (front, top, left, back, bottom, right)");
    TVM_ATTR_FIELD(dilation)
        .set_default(Array<IndexExpr>({1, 1, 1}))
        .describe("Specifies the dilation rate to use for dilated convolution.");
    TVM_ATTR_FIELD(groups).set_default(1).describe(
        "Controls the connections between inputs and outputs."
        "At groups=1, all inputs are convolved to all outputs."
        "At groups=2, the operation becomes equivalent to having two convolution"
        "layers side by side, each seeing half the input channels, and producing"
        "half the output channels, and both subsequently concatenated.");
    TVM_ATTR_FIELD(data_layout)
        .set_default("NCDHW")
        .describe(
            "Dimension ordering of data. Can be 'NCDHW', 'NDHWC', etc."
            "'N', 'C', 'D', 'H', 'W' stands for batch, channel, depth, height, and width"
            "dimensions respectively. Convolution is applied on the 'D', 'H' and"
            "'W' dimensions.");
    TVM_ATTR_FIELD(kernel_layout)
        .set_default("IODHW")
        .describe(
            "Dimension ordering of data and weight. Can be 'IODHW', 'IODHW16i16o', etc."
            "'I', 'O', 'D', 'H', 'W' stands for input_channel, num_filter, depth, height, and width"
            "dimensions respectively.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output. Can be 'NCDHW', 'NDHWC', etc."
            "'N', 'C', 'D', 'H', 'W' stands for batch, channel, depth, height, and width"
            "dimensions respectively. Default to be same as input layout.");
    TVM_ATTR_FIELD(out_dtype)
        .set_default(NullValue<DataType>())
        .describe("Output data type, set to explicit type under mixed precision setting");
  }
};
 
struct Conv3DWinogradAttrs : public tvm::AttrsNode<Conv3DWinogradAttrs> {
  int tile_size;
  Array<IndexExpr> strides;
  Array<IndexExpr> padding;
  Array<IndexExpr> dilation;
  int groups;
  IndexExpr channels;
  Array<IndexExpr> kernel_size;
  std::string data_layout;
  std::string kernel_layout;
  std::string out_layout;
  DataType out_dtype;
 
  TVM_DECLARE_ATTRS(Conv3DWinogradAttrs, "relay.attrs.Conv3DWinogradAttrs") {
    TVM_ATTR_FIELD(tile_size).describe(
        "The tile size of winograd. E.g. 2 for F(2x2x2, 3x3x3) and 4 for F(4x4x4, 3x3x3)");
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({1, 1, 1}))
        .describe("Specifies the strides of the convolution.");
    TVM_ATTR_FIELD(padding)
        .set_default(Array<IndexExpr>({0, 0, 0}))
        .describe(
            "If padding is non-zero, then the input is implicitly zero-padded"
            "Padding support both symmetric and asymmetric as"
            "one int : same padding used on all sides"
            "three int : back, bottom, right will use same padding as front, top, left"
            "six int : padding width in the order of (front, top, left, back, bottom,"
            "right)");
    TVM_ATTR_FIELD(dilation)
        .set_default(Array<IndexExpr>({1, 1, 1}))
        .describe("Specifies the dilation rate to use for dilated convolution.");
    TVM_ATTR_FIELD(groups).set_default(1).describe(
        "Controls the connections between inputs and outputs."
        "At groups=1, all inputs are convolved to all outputs."
        "At groups=2, the operation becomes equivalent to having two convolution"
        "layers side by side, each seeing half the input channels, and producing"
        "half the output channels, and both subsequently concatenated.");
    TVM_ATTR_FIELD(channels)
        .describe(
            "The number of output channels in the convolution."
            " If it is not set, inferred by shape of the weight.")
        .set_default(NullValue<IndexExpr>());
    TVM_ATTR_FIELD(kernel_size)
        .describe("Specifies the dimensions of the convolution window.")
        .set_default(NullValue<Array<IndexExpr>>());
    TVM_ATTR_FIELD(data_layout)
        .set_default("NCDHW")
        .describe(
            "Dimension ordering of input data. Can be 'NCDHW', 'NDHWC', etc."
            "'N', 'C', 'D', 'H', 'W' stands for batch, channel, depth, height, and width"
            "dimensions respectively. Convolution is applied on the 'D', 'H' and"
            "'W' dimensions.");
    TVM_ATTR_FIELD(kernel_layout)
        .set_default("OIDHW")
        .describe(
            "Dimension ordering of weight. Can be 'OIDHW', 'OIDHW16o16i', etc."
            "'O', 'I', 'D', 'H', 'W' stands for num_filter, input_channel, depth, height,"
            "and width dimensions respectively.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output. Can be 'NCDHW', 'NDHWC', etc."
            "'N', 'C', 'D', 'H', 'W' stands for batch, channel, depth, height, and width"
            "dimensions respectively. Default to be same as input layout.");
 
    // use 0 bits to indicate none.
    TVM_ATTR_FIELD(out_dtype)
        .set_default(NullValue<DataType>())
        .describe("Output data type, set to explicit type under mixed precision setting");
  }
};
 
struct SoftmaxAttrs : public tvm::AttrsNode<SoftmaxAttrs> {
  int axis;
 
  TVM_DECLARE_ATTRS(SoftmaxAttrs, "relay.attrs.SoftmaxAttrs") {
    TVM_ATTR_FIELD(axis).set_default(-1).describe("The axis to sum over when computing softmax.");
  }
};
 
struct Conv2DTransposeAttrs : public tvm::AttrsNode<Conv2DTransposeAttrs> {
  IndexExpr channels;
  Array<IndexExpr> kernel_size;
  Array<IndexExpr> strides;
  Array<IndexExpr> padding;
  Array<IndexExpr> output_padding;
  Array<IndexExpr> dilation;
  int groups;
  std::string data_layout;
  std::string kernel_layout;
  std::string out_layout;
  DataType out_dtype;
 
  TVM_DECLARE_ATTRS(Conv2DTransposeAttrs, "relay.attrs.Conv2DTransposeAttrs") {
    TVM_ATTR_FIELD(channels)
        .set_default(NullValue<IndexExpr>())
        .describe(
            "The dimensionality of the output space"
            "i.e. the number of output channels in the convolution.");
    TVM_ATTR_FIELD(kernel_size)
        .describe("The dimensions of the convolution window.")
        .set_default(NullValue<Array<IndexExpr>>());
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({1, 1}))
        .describe("The strides of the convolution.");
    TVM_ATTR_FIELD(output_padding)
        .set_default(Array<IndexExpr>({0, 0}))
        .describe(
            "Zero-padding added to one side of the output."
            "Padding support both symmetric and asymmetric as"
            "one int : same padding used on all sides"
            "two int : bottom, right will use same padding as top, left"
            "four int : padding width in the order of (top, left, bottom, right)");
    TVM_ATTR_FIELD(padding)
        .set_default(Array<IndexExpr>({0, 0}))
        .describe(
            "If padding is non-zero, then the input is implicitly zero-padded"
            "Padding support both symmetric and asymmetric as"
            "one int : same padding used on all sides"
            "two int : bottom, right will use same padding as top, left"
            "four int : padding width in the order of (top, left, bottom, right)");
    TVM_ATTR_FIELD(dilation)
        .set_default(Array<IndexExpr>({1, 1}))
        .describe("Specifies the dilation rate to use for dilated convolution.");
    TVM_ATTR_FIELD(groups).set_default(1).describe(
        "Controls the connections between inputs and outputs."
        "At groups=1, all inputs are convolved to all outputs."
        "At groups=2, the operation becomes equivalent to having two convolution"
        "layers side by side, each seeing half the input channels, and producing"
        "half the output channels, and both subsequently concatenated.");
    TVM_ATTR_FIELD(data_layout)
        .set_default("NCHW")
        .describe(
            "Dimension ordering of data. Can be 'NCHW', 'NHWC', etc."
            "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
            "dimensions respectively. Convolution is applied on the 'H' and"
            "'W' dimensions.");
    TVM_ATTR_FIELD(kernel_layout)
        .set_default("IOHW")
        .describe(
            "Dimension ordering of data and weight. Can be 'IOHW', 'OIHW16o16i', etc."
            "'I', 'O', 'H', 'W' stands for input_channel, num_filter, height, and width"
            "dimensions respectively.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output. Can be 'NCHW', 'NHWC', etc."
            "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
            "dimensions respectively. Default to be same as input layout.");
    TVM_ATTR_FIELD(out_dtype)
        .set_default(NullValue<DataType>())
        .describe("Output data type, set to explicit type under mixed precision setting");
  }
};
 
struct DilateAttrs : public tvm::AttrsNode<DilateAttrs> {
  Array<IndexExpr> strides;
  double dilation_value;
 
  TVM_DECLARE_ATTRS(DilateAttrs, "relay.attrs.DilateAttrs") {
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({1, 1}))
        .describe("Dilation stride on each dimension, 1 means no dilation.");
    TVM_ATTR_FIELD(dilation_value).set_default(0.0).describe("Value used to dilate the input.");
  }
};
 
struct Conv1DTransposeAttrs : public tvm::AttrsNode<Conv1DTransposeAttrs> {
  IndexExpr channels;
  Array<IndexExpr> kernel_size;
  Array<IndexExpr> strides;
  Array<IndexExpr> padding;
  Array<IndexExpr> output_padding;
  Array<IndexExpr> dilation;
  int groups;
  std::string data_layout;
  std::string kernel_layout;
  std::string out_layout;
  DataType out_dtype;
 
  TVM_DECLARE_ATTRS(Conv1DTransposeAttrs, "relay.attrs.Conv1DTransposeAttrs") {
    TVM_ATTR_FIELD(channels)
        .set_default(NullValue<IndexExpr>())
        .describe(
            "The dimensionality of the output space"
            "i.e. the number of output channels in the convolution.");
    TVM_ATTR_FIELD(kernel_size)
        .describe("The dimensions of the convolution window.")
        .set_default(NullValue<Array<IndexExpr>>());
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({1}))
        .describe("The strides of the convolution.");
    TVM_ATTR_FIELD(output_padding)
        .set_default(Array<IndexExpr>({0}))
        .describe("Zero-padding added to one side of the output.");
    TVM_ATTR_FIELD(padding)
        .set_default(Array<IndexExpr>({0}))
        .describe(
            "Symmetric or asymmetric padding."
            "Single value: the input is implicitly zero-padded on both sides."
            "Two values: padding[0] is used for left input padding, "
            "padding[1] is used for right input padding,");
    TVM_ATTR_FIELD(dilation)
        .set_default(Array<IndexExpr>({1}))
        .describe("Specifies the dilation rate to use for dilated convolution.");
    TVM_ATTR_FIELD(groups).set_default(1).describe(
        "Controls the connections between inputs and outputs."
        "At groups=1, all inputs are convolved to all outputs."
        "At groups=2, the operation becomes equivalent to having two convolution"
        "layers side by side, each seeing half the input channels, and producing"
        "half the output channels, and both subsequently concatenated.");
    TVM_ATTR_FIELD(data_layout)
        .set_default("NCW")
        .describe(
            "Dimension ordering of data. Can be 'NCW', 'NWC', etc."
            "'N', 'C', 'W' stands for batch, channel, and width"
            "dimensions respectively. Convolution is applied on the"
            "'W' dimension.");
    TVM_ATTR_FIELD(kernel_layout)
        .set_default("IOW")
        .describe(
            "Dimension ordering of data and weight. Can be 'IOW', 'IOW16o16i', etc."
            "'I', 'O', 'W' stands for input_channel, num_filter and width"
            "dimensions respectively.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output. Can be 'NCW', 'NWC', etc."
            "'N', 'C', 'W' stands for batch, channel, and width"
            "dimensions respectively. Default to be same as input layout.");
    TVM_ATTR_FIELD(out_dtype)
        .set_default(NullValue<DataType>())
        .describe("Output data type, set to explicit type under mixed precision setting");
  }
};
 
struct MaxPool2DAttrs : public tvm::AttrsNode<MaxPool2DAttrs> {
  Array<IndexExpr> pool_size;
  Array<IndexExpr> strides;
  Array<IndexExpr> padding;
  Array<IndexExpr> dilation;
  tvm::String layout;
  tvm::String out_layout;
  bool ceil_mode;
 
  TVM_DECLARE_ATTRS(MaxPool2DAttrs, "relay.attrs.MaxPool2DAttrs") {
    TVM_ATTR_FIELD(pool_size).describe("Size of the pooling windows.");
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({1, 1}))
        .describe("Specifies the strides of the convolution.");
    TVM_ATTR_FIELD(dilation)
        .set_default(Array<IndexExpr>({1, 1}))
        .describe("Specifies the dilation of the convolution.");
    TVM_ATTR_FIELD(padding)
        .set_default(Array<IndexExpr>({0, 0}))
        .describe(
            "If padding is non-zero, then the input is implicitly zero-padded"
            "Padding support both symmetric and asymmetric as"
            "one int : same padding used on all sides"
            "two int : bottom, right will use same padding as top, left"
            "four int : padding width in the order of (top, left, bottom, right)");
    TVM_ATTR_FIELD(layout).set_default("NCHW").describe(
        "Dimension ordering of input data. Can be 'NCHW', 'NHWC', etc."
        "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
        "dimensions respectively. Pooling is applied on the 'H' and"
        "'W' dimensions.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output data. Can be 'NCHW', 'NHWC', etc."
            "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
            "dimensions respectively. Pooling is applied on the 'H' and"
            "'W' dimensions.");
    TVM_ATTR_FIELD(ceil_mode).set_default(false).describe(
        "When true, will use ceil instead of floor to compute the output shape.");
  }
};
 
struct AvgPool2DAttrs : public tvm::AttrsNode<AvgPool2DAttrs> {
  Array<IndexExpr> pool_size;
  Array<IndexExpr> strides;
  Array<IndexExpr> padding;
  Array<IndexExpr> dilation;
  tvm::String layout;
  tvm::String out_layout;
  bool ceil_mode;
  bool count_include_pad;
 
  TVM_DECLARE_ATTRS(AvgPool2DAttrs, "relay.attrs.AvgPool2DAttrs") {
    TVM_ATTR_FIELD(pool_size).describe("Size of the pooling windows.");
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({1, 1}))
        .describe("Specifies the strides of the convolution.");
    TVM_ATTR_FIELD(dilation)
        .set_default(Array<IndexExpr>({1, 1}))
        .describe("Specifies the dilation of the convolution.");
    TVM_ATTR_FIELD(padding)
        .set_default(Array<IndexExpr>({0, 0}))
        .describe(
            "If padding is non-zero, then the input is implicitly zero-padded"
            "Padding support both symmetric and asymmetric as"
            "one int : same padding used on all sides"
            "two int : bottom, right will use same padding as top, left"
            "four int : padding width in the order of (top, left, bottom, right)");
    TVM_ATTR_FIELD(layout).set_default("NCHW").describe(
        "Dimension ordering of input data. Can be 'NCHW', 'NHWC', etc."
        "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
        "dimensions respectively. Pooling is applied on the 'H' and"
        "'W' dimensions.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output data. Can be 'NCHW', 'NHWC', etc."
            "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
            "dimensions respectively. Pooling is applied on the 'H' and"
            "'W' dimensions.");
    TVM_ATTR_FIELD(ceil_mode).set_default(false).describe(
        "When true, will use ceil instead of floor to compute the output shape.");
    TVM_ATTR_FIELD(count_include_pad)
        .set_default(false)
        .describe("When true, will include padding to compute the average");
  }
};
 
struct GlobalPool2DAttrs : public tvm::AttrsNode<GlobalPool2DAttrs> {
  tvm::String layout;
  tvm::String out_layout;
 
  TVM_DECLARE_ATTRS(GlobalPool2DAttrs, "relay.attrs.GlobalPool2DAttrs") {
    TVM_ATTR_FIELD(layout).set_default("NCHW").describe(
        "Dimension ordering of input data. Can be 'NCHW', 'NHWC', etc."
        "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
        "dimensions respectively. Pooling is applied on the 'H' and"
        "'W' dimensions.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output data. Can be 'NCHW', 'NHWC', etc."
            "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
            "dimensions respectively. Pooling is applied on the 'H' and"
            "'W' dimensions.");
  }
};
 
struct AdaptivePool1DAttrs : public tvm::AttrsNode<AdaptivePool1DAttrs> {
  Array<IndexExpr> output_size;
  std::string layout;
  tvm::String out_layout;
 
  TVM_DECLARE_ATTRS(AdaptivePool1DAttrs, "relay.attrs.AdaptivePool1DAttrs") {
    TVM_ATTR_FIELD(output_size).set_default(Array<IndexExpr>({})).describe("Output width.");
    TVM_ATTR_FIELD(layout).set_default("NCW").describe(
        "Dimension ordering of input data. Can be 'NCW', 'NWC', etc."
        "'N', 'C', 'W' stands for batch, channel, and width"
        "dimensions respectively. Pooling is applied on the"
        "'W' dimension.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output data. Can be 'NCW', 'NWC', etc."
            "'N', 'C', 'W' stands for batch, channel, and width"
            "dimensions respectively. Pooling is applied on the"
            "'W' dimension.");
  }
};
 
struct AdaptivePool2DAttrs : public tvm::AttrsNode<AdaptivePool2DAttrs> {
  Array<IndexExpr> output_size;
  std::string layout;
  tvm::String out_layout;
 
  TVM_DECLARE_ATTRS(AdaptivePool2DAttrs, "relay.attrs.AdaptivePool2DAttrs") {
    TVM_ATTR_FIELD(output_size)
        .set_default(Array<IndexExpr>({}))
        .describe("Output height and width.");
    TVM_ATTR_FIELD(layout).set_default("NCHW").describe(
        "Dimension ordering of input data. Can be 'NCHW', 'NHWC', etc."
        "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
        "dimensions respectively. Pooling is applied on the 'H' and"
        "'W' dimensions.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output data. Can be 'NCHW', 'NHWC', etc."
            "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
            "dimensions respectively. Pooling is applied on the 'H' and"
            "'W' dimensions.");
  }
};
 
struct AdaptivePool3DAttrs : public tvm::AttrsNode<AdaptivePool3DAttrs> {
  Array<IndexExpr> output_size;
  std::string layout;
  tvm::String out_layout;
 
  TVM_DECLARE_ATTRS(AdaptivePool3DAttrs, "relay.attrs.AdaptivePool3DAttrs") {
    TVM_ATTR_FIELD(output_size)
        .set_default(Array<IndexExpr>({}))
        .describe("Output depth, height and width.");
    TVM_ATTR_FIELD(layout).set_default("NCDHW").describe(
        "Dimension ordering of input data. Can be 'NCDHW', 'NDHWC', etc."
        "'N', 'C', 'D', 'H', 'W' stands for batch, channel, depth, height, and width"
        "dimensions respectively. Pooling is applied on 'D', 'H' and"
        "'W' dimensions.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output data. Can be 'NCDHW', 'NDHWC', etc."
            "'N', 'C', 'D', 'H', 'W' stands for batch, channel, depth, height, and width"
            "dimensions respectively. Pooling is applied on 'D', 'H' and"
            "'W' dimensions.");
  }
};
 
struct MaxPool1DAttrs : public tvm::AttrsNode<MaxPool1DAttrs> {
  Array<IndexExpr> pool_size;
  Array<IndexExpr> strides;
  Array<IndexExpr> dilation;
  Array<IndexExpr> padding;
  std::string layout;
  tvm::String out_layout;
  bool ceil_mode;
 
  TVM_DECLARE_ATTRS(MaxPool1DAttrs, "relay.attrs.MaxPool1DAttrs") {
    TVM_ATTR_FIELD(pool_size).describe("Size of the pooling windows.");
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({1}))
        .describe("Specifies the strides of the convolution.");
    TVM_ATTR_FIELD(dilation)
        .set_default(Array<IndexExpr>({1}))
        .describe("Specifies the dilation of the convolution.");
    TVM_ATTR_FIELD(padding)
        .set_default(Array<IndexExpr>({0}))
        .describe(
            "If padding is non-zero, then the input is implicitly zero-padded"
            "Padding supports both symmetric and asymmetric as"
            "one int : same padding used on each side"
            "two int : indicates left padding, right padding");
    TVM_ATTR_FIELD(layout).set_default("NCW").describe(
        "Dimension ordering of input data. Can be 'NCW', 'NWC', etc."
        "'N', 'C', 'W' stands for batch, channel, and width"
        "dimensions respectively. Pooling is applied on the 'W' dimensions.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output data. Can be 'NCW', 'NWC', etc."
            "'N', 'C', 'W' stands for batch, channel, and width"
            "dimensions respectively. Pooling is applied on the 'W' dimensions.");
    TVM_ATTR_FIELD(ceil_mode).set_default(false).describe(
        "When true, will use ceil instead of floor to compute the output shape.");
  }
};
 
struct AvgPool1DAttrs : public tvm::AttrsNode<AvgPool1DAttrs> {
  Array<IndexExpr> pool_size;
  Array<IndexExpr> strides;
  Array<IndexExpr> dilation;
  Array<IndexExpr> padding;
  std::string layout;
  tvm::String out_layout;
  bool ceil_mode;
  bool count_include_pad;
 
  TVM_DECLARE_ATTRS(AvgPool1DAttrs, "relay.attrs.AvgPool1DAttrs") {
    TVM_ATTR_FIELD(pool_size).describe("Size of the pooling windows.");
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({1}))
        .describe("Specifies the strides of the convolution.");
    TVM_ATTR_FIELD(dilation)
        .set_default(Array<IndexExpr>({1}))
        .describe("Specifies the dilation of the convolution.");
    TVM_ATTR_FIELD(padding)
        .set_default(Array<IndexExpr>({0}))
        .describe(
            "If padding is non-zero, then the input is implicitly zero-padded"
            "Padding supports both symmetric and asymmetric as"
            "one int : same padding used on each side"
            "two int : indicates left padding, right padding");
    TVM_ATTR_FIELD(layout).set_default("NCW").describe(
        "Dimension ordering of input data. Can be 'NCW', 'NHC', etc."
        "'N', 'C', 'W' stands for batch, channel, and width"
        "dimensions respectively. Pooling is applied on the 'W' dimension.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output data. Can be 'NCW', 'NHC', etc."
            "'N', 'C', 'W' stands for batch, channel, and width"
            "dimensions respectively. Pooling is applied on the 'W' dimension.");
    TVM_ATTR_FIELD(ceil_mode).set_default(false).describe(
        "When true, will use ceil instead of floor to compute the output shape.");
    TVM_ATTR_FIELD(count_include_pad)
        .set_default(false)
        .describe("When true, will include padding to compute the average");
  }
};
 
struct MaxPool3DAttrs : public tvm::AttrsNode<MaxPool3DAttrs> {
  Array<IndexExpr> pool_size;
  Array<IndexExpr> strides;
  Array<IndexExpr> dilation;
  Array<IndexExpr> padding;
  std::string layout;
  tvm::String out_layout;
  bool ceil_mode;
 
  TVM_DECLARE_ATTRS(MaxPool3DAttrs, "relay.attrs.MaxPool3DAttrs") {
    TVM_ATTR_FIELD(pool_size).describe("Size of the pooling windows.");
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({1, 1, 1}))
        .describe("Specifies the strides of the convolution.");
    TVM_ATTR_FIELD(dilation)
        .set_default(Array<IndexExpr>({1, 1, 1}))
        .describe("Specifies the dilation of the convolution.");
    TVM_ATTR_FIELD(padding)
        .set_default(Array<IndexExpr>({0, 0, 0}))
        .describe(
            "If padding is non-zero, then the input is implicitly zero-padded"
            "Padding support both symmetric and asymmetric as"
            "one int : same padding used on all sides"
            "three int : back, bottom, right will use same padding as front, top, left"
            "six int : padding width in the order of (front, top, left, back, bottom, right)");
    TVM_ATTR_FIELD(layout).set_default("NCDHW").describe(
        "Dimension ordering of input data. Can be 'NCDHW', 'NDHWC', etc."
        "'N', 'C', 'D', 'H', 'W' stands for batch, channel, depth, height, and width"
        "dimensions respectively. Pooling is applied on the 'D', 'H' and"
        "'W' dimensions.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output data. Can be 'NCDHW', 'NDHWC', etc."
            "'N', 'C', 'D', 'H', 'W' stands for batch, channel, depth, height, and width"
            "dimensions respectively. Pooling is applied on the 'D', 'H' and"
            "'W' dimensions.");
    TVM_ATTR_FIELD(ceil_mode).set_default(false).describe(
        "When true, will use ceil instead of floor to compute the output shape.");
  }
};
 
struct AvgPool3DAttrs : public tvm::AttrsNode<AvgPool3DAttrs> {
  Array<IndexExpr> pool_size;
  Array<IndexExpr> strides;
  Array<IndexExpr> dilation;
  Array<IndexExpr> padding;
  std::string layout;
  tvm::String out_layout;
  bool ceil_mode;
  bool count_include_pad;
 
  TVM_DECLARE_ATTRS(AvgPool3DAttrs, "relay.attrs.AvgPool3DAttrs") {
    TVM_ATTR_FIELD(pool_size).describe("Size of the pooling windows.");
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({1, 1, 1}))
        .describe("Specifies the strides of the convolution.");
    TVM_ATTR_FIELD(dilation)
        .set_default(Array<IndexExpr>({1, 1, 1}))
        .describe("Specifies the dilation of the convolution.");
    TVM_ATTR_FIELD(padding)
        .set_default(Array<IndexExpr>({0, 0, 0}))
        .describe(
            "If padding is non-zero, then the input is implicitly zero-padded"
            "Padding support both symmetric and asymmetric as"
            "one int : same padding used on all sides"
            "three int : back, bottom, right will use same padding as front, top, left"
            "six int : padding width in the order of (front, top, left, back, bottom, right)");
    TVM_ATTR_FIELD(layout).set_default("NCDHW").describe(
        "Dimension ordering of input data. Can be 'NCDHW', 'NDHWC', etc."
        "'N', 'C', 'D', 'H', 'W' stands for batch, channel, depth, height, and width"
        "dimensions respectively. Pooling is applied on the 'D', 'H' and"
        "'W' dimensions.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output data. Can be 'NCDHW', 'NDHWC', etc."
            "'N', 'C', 'D', 'H', 'W' stands for batch, channel, depth, height, and width"
            "dimensions respectively. Pooling is applied on the 'D', 'H' and"
            "'W' dimensions.");
    TVM_ATTR_FIELD(ceil_mode).set_default(false).describe(
        "When true, will use ceil instead of floor to compute the output shape.");
    TVM_ATTR_FIELD(count_include_pad)
        .set_default(false)
        .describe("When true, will include padding to compute the average");
  }
};
 
struct MatmulAttrs : public tvm::AttrsNode<MatmulAttrs> {
  IndexExpr units;
  DataType out_dtype;
  bool transpose_a;
  bool transpose_b;
  // layout of B after auto-scheduler's layout rewrite
  tvm::String auto_scheduler_rewritten_layout;
  Array<PrimExpr> meta_schedule_original_shape;  // The original shape of the weights
 
  TVM_DECLARE_ATTRS(MatmulAttrs, "relay.attrs.MatmulAttrs") {
    TVM_ATTR_FIELD(units).describe("Number of hidden units of the dense transformation.");
 
    // use 0 bits to indicate none.
    TVM_ATTR_FIELD(out_dtype)
        .set_default(NullValue<DataType>())
        .describe("Output data type, set to explicit type under mixed precision setting");
 
    TVM_ATTR_FIELD(transpose_a)
        .set_default(false)
        .describe("Whether the first input tensor is in transposed format.");
 
    TVM_ATTR_FIELD(transpose_b)
        .set_default(false)
        .describe("Whether the second input tensor is in transposed format.");
  }
};
 
struct DenseAttrs : public tvm::AttrsNode<DenseAttrs> {
  IndexExpr units;
  // layout of B after auto-scheduler's layout rewrite
  tvm::String auto_scheduler_rewritten_layout;
  Array<PrimExpr> meta_schedule_original_shape;  // The original shape of the weights
  DataType out_dtype;
 
  TVM_DECLARE_ATTRS(DenseAttrs, "relay.attrs.DenseAttrs") {
    TVM_ATTR_FIELD(units).describe("Number of hidden units of the dense transformation.");
 
    // use 0 bits to indicate none.
    TVM_ATTR_FIELD(out_dtype)
        .set_default(NullValue<DataType>())
        .describe("Output data type, set to explicit type under mixed precision setting");
  }
};
 
struct DensePackAttrs : public tvm::AttrsNode<DensePackAttrs> {
  IndexExpr units;
  DataType out_dtype;
  tvm::String weight_layout;
 
  TVM_DECLARE_ATTRS(DensePackAttrs, "relay.attrs.DensePackAttrs") {
    TVM_ATTR_FIELD(units).describe("Number of hidden units of the dense transformation.");
 
    // use 0 bits to indicate none.
    TVM_ATTR_FIELD(out_dtype)
        .set_default(NullValue<DataType>())
        .describe("Output data type, set to explicit type under mixed precision setting");
    TVM_ATTR_FIELD(weight_layout)
        .set_default("NC")
        .describe("Dimension ordering of weight. Packed layouts, such as NC8n, are possible.");
  }
};
 
struct BatchMatmulAttrs : public tvm::AttrsNode<BatchMatmulAttrs> {
  DataType out_dtype;
  bool transpose_a;
  bool transpose_b;
  tvm::String auto_scheduler_rewritten_layout;   // The layout after auto-scheduler's layout rewrite
  Array<PrimExpr> meta_schedule_original_shape;  // The original shape of the weights
 
  TVM_DECLARE_ATTRS(BatchMatmulAttrs, "relay.attrs.BatchMatmulAttrs") {
    // use 0 bits to indicate none.
    TVM_ATTR_FIELD(out_dtype)
        .set_default(NullValue<DataType>())
        .describe("Output data type, set to explicit type under mixed precision setting");
 
    TVM_ATTR_FIELD(transpose_a)
        .set_default(false)
        .describe("Whether the first input tensor is in transposed format.");
 
    TVM_ATTR_FIELD(transpose_b)
        .set_default(false)
        .describe("Whether the second input tensor is in transposed format.");
  }
};
 
struct SparseDenseAttrs : public tvm::AttrsNode<SparseDenseAttrs> {
  bool sparse_lhs;
 
  TVM_DECLARE_ATTRS(SparseDenseAttrs, "relay.attrs.SparseDenseAttrs") {
    TVM_ATTR_FIELD(sparse_lhs)
        .set_default(false)
        .describe(
            "Indicate whether sparse matrix is multiplied on the right or the left. If true, then "
            "the operation is S * D^T (D dense, S sparse). If false, the operation is D * S^T");
  }
};
 
struct SparseTransposeAttrs : public tvm::AttrsNode<SparseTransposeAttrs> {
  TVM_DECLARE_ATTRS(SparseTransposeAttrs, "relay.attrs.SparseTransposeAttrs") {}
};
 
struct SparseConv2DAttrs : public tvm::AttrsNode<SparseConv2DAttrs> {
  std::string layout;
  Array<IndexExpr> kernel_size;
 
  TVM_DECLARE_ATTRS(SparseConv2DAttrs, "relay.attrs.SparseConv2DAttrs") {
    TVM_ATTR_FIELD(layout).set_default("NHWC").describe(
        "Dimension ordering of input data. Can be 'NCHW', 'NHWC'"
        "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
        "dimensions respectively.");
    TVM_ATTR_FIELD(kernel_size)
        .set_default(Array<IndexExpr>{1, 1})
        .describe("Kernel size for SparseConv2D, 1x1 or 3x3. ");
  }
};
 
struct FIFOBufferAttrs : public tvm::AttrsNode<FIFOBufferAttrs> {
  int axis;
 
  TVM_DECLARE_ATTRS(FIFOBufferAttrs, "relay.attrs.FIFOBufferAttrs") {
    TVM_ATTR_FIELD(axis).set_default(0);
  }
};
 
struct UpSamplingAttrs : public tvm::AttrsNode<UpSamplingAttrs> {
  double scale_h;
  double scale_w;
  tvm::String layout;
  tvm::String method;
  bool align_corners;
 
  TVM_DECLARE_ATTRS(UpSamplingAttrs, "relay.attrs.UpSamplingAttrs") {
    TVM_ATTR_FIELD(scale_h).describe("The upsampling factor for height");
    TVM_ATTR_FIELD(scale_w).describe("The upsampling factor for width");
    TVM_ATTR_FIELD(layout).set_default("NCHW").describe(
        "Dimension ordering of input data. Can be 'NCHW', 'NHWC', etc."
        "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
        "dimensions respectively. Upsampling is applied on the 'H' and"
        "'W' dimensions.");
    TVM_ATTR_FIELD(method)
        .set_default("nearest_neighbor")
        .describe(
            "Specify the mode to use for scaling."
            "nearest_neighbor -  Nearest Neighbor"
            "bilinear - Bilinear Interpolation"
            "bicubic - Bicubic Interpolation");
    TVM_ATTR_FIELD(align_corners)
        .set_default(false)
        .describe("Should be true to preserve the values at the corner pixels");
  }
};
 
struct UpSampling3DAttrs : public tvm::AttrsNode<UpSampling3DAttrs> {
  double scale_d;
  double scale_h;
  double scale_w;
  std::string layout;
  std::string method;
  std::string coordinate_transformation_mode;
 
  TVM_DECLARE_ATTRS(UpSampling3DAttrs, "relay.attrs.UpSampling3DAttrs") {
    TVM_ATTR_FIELD(scale_d).describe("The upsampling factor for depth");
    TVM_ATTR_FIELD(scale_h).describe("The upsampling factor for height");
    TVM_ATTR_FIELD(scale_w).describe("The upsampling factor for width");
    TVM_ATTR_FIELD(layout).set_default("NCDHW").describe(
        "Dimension ordering of input data. Can be 'NCDHW', 'NDHWC', etc."
        "'N', 'C', 'D', 'H', 'W' stands for batch, channel, depth, height, and width"
        "dimensions respectively. Upsampling is applied on the 'D', 'H' and"
        "'W' dimensions.");
    TVM_ATTR_FIELD(method)
        .set_default("nearest_neighbor")
        .describe(
            "Specify the mode to use for scaling."
            "nearest_neighbor -  Nearest Neighbor"
            "trilinear - Trilinear Interpolation");
    TVM_ATTR_FIELD(coordinate_transformation_mode)
        .set_default("half_pixel")
        .describe(
            "Describes how to transform the coordinate in the resized tensor"
            "to the coordinate in the original tensor."
            "Refer to the ONNX Resize operator specification for details"
            "Available options are half_pixel, align_corners and asymmetric");
  }
};
 
struct PadAttrs : public tvm::AttrsNode<PadAttrs> {
  Array<Array<Integer>> pad_width;
  tvm::String pad_mode;
 
  TVM_DECLARE_ATTRS(PadAttrs, "relay.attrs.PadAttrs") {
    TVM_ATTR_FIELD(pad_width).describe(
        "Number of values padded to the edges of each axis, "
        "in the format of ((before_1, after_1), ..., (before_N, after_N))");
    TVM_ATTR_FIELD(pad_mode)
        .set_default("constant")
        .describe(
            "Padding type to use. \"constant\" pads with constant_value, "
            "\"edge\" pads using the edge values of the input array, "
            "\"reflect\" pads by reflecting values with respect to the edges.");
  }
};
 
struct MirrorPadAttrs : public tvm::AttrsNode<MirrorPadAttrs> {
  std::string mode;
  Array<Array<IndexExpr>> pad_width;
 
  TVM_DECLARE_ATTRS(MirrorPadAttrs, "relay.attrs.MirrorPadAttrs") {
    TVM_ATTR_FIELD(mode)
        .set_default("SYMMETRIC")
        .describe("Specifies how mirroring should be performed.");
    TVM_ATTR_FIELD(pad_width).describe(
        "Number of values padded to the edges of each axis, "
        "in the format of ((before_1, after_1), ..., (before_N, after_N))");
  }
};
 
struct LeakyReluAttrs : public tvm::AttrsNode<LeakyReluAttrs> {
  double alpha;
 
  TVM_DECLARE_ATTRS(LeakyReluAttrs, "relay.attrs.LeakyReluAttrs") {
    TVM_ATTR_FIELD(alpha).set_lower_bound(0.0).set_default(0.25).describe(
        "Slope coefficient for the negative half axis.");
  }
};
 
struct PReluAttrs : public tvm::AttrsNode<PReluAttrs> {
  int axis;
 
  TVM_DECLARE_ATTRS(PReluAttrs, "relay.attrs.PReluAttrs") {
    TVM_ATTR_FIELD(axis).set_default(1).describe(
        "Specify which shape axis the channel is specified.");
  }
};
 
struct DropoutAttrs : public tvm::AttrsNode<DropoutAttrs> {
  double rate;
  TVM_DECLARE_ATTRS(DropoutAttrs, "relay.attrs.DropoutAttrs") {
    TVM_ATTR_FIELD(rate)
        .describe("Fraction of the input that gets dropped out during training time")
        .set_default(0.5);
  }
};  // struct DropoutAttrs
 
struct BatchNormAttrs : public tvm::AttrsNode<BatchNormAttrs> {
  int axis;
  double epsilon;
  bool center;
  bool scale;
 
  TVM_DECLARE_ATTRS(BatchNormAttrs, "relay.attrs.BatchNormAttrs") {
    TVM_ATTR_FIELD(axis).describe("Specify which shape axis denotes the channel.").set_default(1);
    TVM_ATTR_FIELD(epsilon)
        .describe("Small float added to variance to avoid dividing by zero")
        .set_default(1e-5);
    TVM_ATTR_FIELD(center)
        .describe("If True, add offset of beta to normalized tensor. If False, beta is ignored")
        .set_default(true);
    TVM_ATTR_FIELD(scale)
        .describe(
            "If True, multiply by gamma. If False, gamma is not used. "
            "When the next layer is piecewise linear (also, e.g., nn.relu), "
            "this can be disabled since the scaling will be done by the next layer.")
        .set_default(true);
  }
};  // struct BatchNormAttrs
 
struct InstanceNormAttrs : public tvm::AttrsNode<InstanceNormAttrs> {
  int axis;
  double epsilon;
  bool center;
  bool scale;
 
  TVM_DECLARE_ATTRS(InstanceNormAttrs, "relay.attrs.InstanceNormAttrs") {
    TVM_ATTR_FIELD(axis).describe("Specify which shape axis denotes the channel.").set_default(1);
    TVM_ATTR_FIELD(epsilon)
        .describe("Small float added to variance to avoid dividing by zero")
        .set_default(1e-5);
    TVM_ATTR_FIELD(center).set_default(true).describe(
        "If true, add offset of beta to normalized tensor; "
        "otherwise, beta is ignored.");
    TVM_ATTR_FIELD(scale).set_default(true).describe(
        "If true, multiply by gamma; otherwise, gamma is ignored.");
  }
};  // struct InstanceNormAttrs
 
struct LayerNormAttrs : public tvm::AttrsNode<LayerNormAttrs> {
  int axis;
  double epsilon;
  bool center;
  bool scale;
 
  TVM_DECLARE_ATTRS(LayerNormAttrs, "relay.attrs.LayerNormAttrs") {
    TVM_ATTR_FIELD(axis).set_default(-1).describe("Specify which shape axis denotes the channel.");
    TVM_ATTR_FIELD(epsilon).set_default(1e-5).describe(
        "Small float added to variance to avoid dividing by zero");
    TVM_ATTR_FIELD(center).set_default(true).describe(
        "If true, add offset of beta to normalized tensor; "
        "otherwise, beta is ignored.");
    TVM_ATTR_FIELD(scale).set_default(true).describe(
        "If true, multiply by gamma; otherwise, gamma is ignored.");
  }
};  // struct LayerNormAttrs
 
struct GroupNormAttrs : public tvm::AttrsNode<GroupNormAttrs> {
  int num_groups;
  int axis;
  double epsilon;
  bool center;
  bool scale;
 
  TVM_DECLARE_ATTRS(GroupNormAttrs, "relay.attrs.GroupNormAttrs") {
    TVM_ATTR_FIELD(num_groups)
        .set_default(0)
        .describe("Specify number of groups to separate the channels into.");
    TVM_ATTR_FIELD(axis).set_default(1).describe("Specify which shape axis denotes the channel.");
    TVM_ATTR_FIELD(epsilon).set_default(1e-5).describe(
        "Small float added to variance to avoid dividing by zero");
    TVM_ATTR_FIELD(center).set_default(true).describe(
        "If true, add offset of beta to normalized tensor; "
        "otherwise, beta is ignored.");
    TVM_ATTR_FIELD(scale).set_default(true).describe(
        "If true, multiply by gamma; otherwise, gamma is ignored.");
  }
};  // struct GroupNormAttrs
 
struct LRNAttrs : public tvm::AttrsNode<LRNAttrs> {
  int size;
  int axis;
  double bias;
  double alpha;
  double beta;
 
  TVM_DECLARE_ATTRS(LRNAttrs, "relay.attrs.LRNAttrs") {
    TVM_ATTR_FIELD(size).set_default(5).describe(
        "The size of the local region to be considered for normalization.");
    TVM_ATTR_FIELD(axis).set_default(1).describe("Axis of input data layout channel.");
    TVM_ATTR_FIELD(bias).set_default(2).describe("The offset parameter to avoid division by 0.");
    TVM_ATTR_FIELD(alpha).set_default(0.0001).describe("The scaling parameter.");
    TVM_ATTR_FIELD(beta).set_default(0.75).describe("The exponent parameter.");
  }
};
 
struct L2NormalizeAttrs : public tvm::AttrsNode<L2NormalizeAttrs> {
  double eps;
  Array<Integer> axis;
 
  TVM_DECLARE_ATTRS(L2NormalizeAttrs, "relay.attrs.L2NormalizeAttrs") {
    TVM_ATTR_FIELD(eps).describe("A lower bound value for the norm, to avoid division by 0.");
    TVM_ATTR_FIELD(axis).describe("Axis over the normalization applied.");
  }
};
 
struct DeformableConv2DAttrs : public tvm::AttrsNode<DeformableConv2DAttrs> {
  Array<IndexExpr> strides;
  Array<IndexExpr> padding;
  Array<IndexExpr> dilation;
  int deformable_groups;
  int groups;
  IndexExpr channels;
  Array<IndexExpr> kernel_size;
  std::string data_layout;
  std::string kernel_layout;
  std::string out_layout;
  DataType out_dtype;
 
  TVM_DECLARE_ATTRS(DeformableConv2DAttrs, "relay.attrs.DeformableConv2DAttrs") {
    TVM_ATTR_FIELD(strides)
        .set_default(Array<IndexExpr>({1, 1}))
        .describe("Specifies the strides of the convolution.");
    TVM_ATTR_FIELD(padding)
        .set_default(Array<IndexExpr>({0, 0}))
        .describe(
            "If padding is non-zero, then the input is implicitly zero-padded"
            "Padding support both symmetric and asymmetric as"
            "one int : same padding used on all sides"
            "two int : bottom, right will use same padding as top, left"
            "four int : padding width in the order of (top, left, bottom, right)");
    TVM_ATTR_FIELD(dilation)
        .set_default(Array<IndexExpr>({1, 1}))
        .describe("Specifies the dilation rate to use for dilated convolution.");
    TVM_ATTR_FIELD(deformable_groups)
        .set_default(1)
        .describe(
            "Controls the connections between inputs and offsets."
            "Input channels are partitioned into multiple deformable groups. Offsets"
            "are shared across input channels in the same deformable group.");
    TVM_ATTR_FIELD(groups).set_default(1).describe(
        "Controls the connections between inputs and outputs."
        "At groups=1, all inputs are convolved to all outputs."
        "At groups=2, the operation becomes equivalent to having two convolution"
        "layers side by side, each seeing half the input channels, and producing"
        "half the output channels, and both subsequently concatenated.");
    TVM_ATTR_FIELD(channels)
        .describe(
            "The number of output channels in the convolution."
            " If it is not set, inferred by shape of the weight.")
        .set_default(NullValue<IndexExpr>());
    TVM_ATTR_FIELD(kernel_size)
        .describe("Specifies the dimensions of the convolution window.")
        .set_default(NullValue<Array<IndexExpr>>());
    TVM_ATTR_FIELD(data_layout)
        .set_default("NCHW")
        .describe(
            "Dimension ordering of input data. Can be 'NCHW', 'NHWC', etc."
            "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
            "dimensions respectively. Convolution is applied on the 'H' and"
            "'W' dimensions.");
    TVM_ATTR_FIELD(kernel_layout)
        .set_default("OIHW")
        .describe(
            "Dimension ordering of weight. Can be 'OIHW', 'OIHW16o16i', etc."
            "'O', 'I', 'H', 'W' stands for num_filter, input_channel, height, and width"
            "dimensions respectively.");
    TVM_ATTR_FIELD(out_layout)
        .set_default("")
        .describe(
            "Dimension ordering of output. Can be 'NCHW', 'NHWC', etc."
            "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
            "dimensions respectively. Default to be same as input layout.");
 
    // use 0 bits to indicate none.
    TVM_ATTR_FIELD(out_dtype)
        .set_default(NullValue<DataType>())
        .describe("Output data type, set to explicit type under mixed precision setting");
  }
};
 
struct SubPixelAttrs : public tvm::AttrsNode<SubPixelAttrs> {
  int block_size;
  std::string layout;
  std::string mode;
 
  TVM_DECLARE_ATTRS(SubPixelAttrs, "relay.attrs.SubPixelAttrs") {
    TVM_ATTR_FIELD(block_size)
        .describe("The size of subpixel blocks to compose or decompose.")
        .set_default(1);
    TVM_ATTR_FIELD(layout).set_default("NCHW").describe(
        "Dimension ordering of input data. Can be 'NCHW', 'NHWC', etc."
        "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
        "dimensions respectively.");
    TVM_ATTR_FIELD(mode).set_default("DCR").describe(
        "Indicates order in which channels are accessed. Must be one of"
        "DCR or CDR.");
  }
};  // struct SubPixelAttrs
 
struct CorrelationAttrs : public tvm::AttrsNode<CorrelationAttrs> {
  int kernel_size;
  int max_displacement;
  int stride1;
  int stride2;
  Array<IndexExpr> padding;
  bool is_multiply;
  String layout;
 
  TVM_DECLARE_ATTRS(CorrelationAttrs, "relay.attrs.CorrelationAttrs") {
    TVM_ATTR_FIELD(kernel_size)
        .describe("Kernel size for correlation, must be an odd number.")
        .set_default(1);
    TVM_ATTR_FIELD(max_displacement).describe("Max displacement of Correlation.").set_default(1);
    TVM_ATTR_FIELD(stride1).describe("Stride for data1.").set_default(1);
    TVM_ATTR_FIELD(stride2).describe("Stride for data2.").set_default(1);
    TVM_ATTR_FIELD(padding)
        .describe("Padding for data1 and data2.")
        .set_default(Array<IndexExpr>{0, 0});
    TVM_ATTR_FIELD(is_multiply)
        .describe("Operation type is either multiplication or substraction.")
        .set_default(true);
    TVM_ATTR_FIELD(layout).set_default("NCHW").describe(
        "Dimension ordering of input data. Can be 'NCHW', 'NHWC', etc."
        "'N', 'C', 'H', 'W' stands for batch, channel, height, and width"
        "dimensions respectively.");
  }
};  // struct CorrelationAttrs
 
struct SpaceToBatchNDAttrs : public tvm::AttrsNode<SpaceToBatchNDAttrs> {
  Array<Integer> block_shape;
  Array<Array<IndexExpr>> paddings;
  double pad_value;
 
  TVM_DECLARE_ATTRS(SpaceToBatchNDAttrs, "relay.attrs.SpaceToBatchNDAttrs") {
    TVM_ATTR_FIELD(block_shape)
        .set_default(Array<Integer>({1, 1}))
        .describe("1-D containing block size for each spatial dimension.");
    TVM_ATTR_FIELD(paddings).describe("2-D containing paddings for each spatial dimension.");
    TVM_ATTR_FIELD(pad_value).set_default(0.0).describe("The value used for padding.");
  }
};  // struct SpaceToBatchNDAttrs
 
struct BatchToSpaceNDAttrs : public tvm::AttrsNode<BatchToSpaceNDAttrs> {
  Array<Integer> block_shape;
  Array<Array<IndexExpr>> crops;
 
  TVM_DECLARE_ATTRS(BatchToSpaceNDAttrs, "relay.attrs.BatchToSpaceNDAttrs") {
    TVM_ATTR_FIELD(block_shape)
        .set_default(Array<Integer>({1, 1}))
        .describe("1-D containing block size for each spatial dimension.");
    TVM_ATTR_FIELD(crops).describe("2-D containing amount to crop from spatial dimension.");
  }
};  // struct BatchToSpaceNDAttrs
 
struct NLLLossAttrs : public tvm::AttrsNode<NLLLossAttrs> {
  std::string reduction;
  int ignore_index;
 
  TVM_DECLARE_ATTRS(NLLLossAttrs, "relay.attrs.NLLLossAttrs") {
    TVM_ATTR_FIELD(reduction).set_default("mean").describe(
        "The reduction method to apply to the output. Can be"
        "'none', 'mean' or 'sum'.");
    TVM_ATTR_FIELD(ignore_index).describe("The target value to ignore.");
  }
};  // struct NLLLossAttrs
 
}  // namespace relay
}  // namespace tvm
#endif  // TVM_RELAY_ATTRS_NN_H_