diff options
Diffstat (limited to 'res')
| -rw-r--r-- | res/TensorFlowLiteRecipes/PadV2_001/test.recipe | 68 | ||||
| -rw-r--r-- | res/TensorFlowLiteRecipes/PadV2_001/test.rule | 8 | ||||
| -rw-r--r-- | res/TensorFlowLiteSchema/2.6.0/schema.fbs | 1240 | ||||
| -rw-r--r-- | res/TensorFlowLiteSchema/SCHEMA.lst | 1 |
4 files changed, 1317 insertions, 0 deletions
diff --git a/res/TensorFlowLiteRecipes/PadV2_001/test.recipe b/res/TensorFlowLiteRecipes/PadV2_001/test.recipe new file mode 100644 index 000000000..0eafec931 --- /dev/null +++ b/res/TensorFlowLiteRecipes/PadV2_001/test.recipe @@ -0,0 +1,68 @@ +operand { + name: "ifm" + type: FLOAT32 + shape { dim: 1 dim: 3 dim: 3 dim: 2 } +} +operand { + name: "relu" + type: FLOAT32 + shape { dim: 1 dim: 3 dim: 3 dim: 2 } +} +operand { + name: "padding" + type: INT32 + shape { dim: 4 dim: 2 } + filler { + tag: "explicit" + arg: "0" arg: "0" + arg: "1" arg: "1" + arg: "1" arg: "1" + arg: "0" arg: "0" + } +} +operand { + name: "constant_values" + type: FLOAT32 + shape { dim: 1 } + filler { + tag: "explicit" + arg: "-100.00" + } +} +operand { + name: "padv2" + type: FLOAT32 + shape { dim: 1 dim: 5 dim: 5 dim: 2 } +} +operand { + name: "ofm" + type: FLOAT32 + shape { dim: 1 dim: 3 dim: 3 dim: 2 } +} +operation { + type: "ReLU" + input: "ifm" + output: "relu" +} +operation { + type: "PadV2" + input: "relu" + input: "padding" + input: "constant_values" + output: "padv2" +} +operation { + type: "MaxPool2D" + maxpool2d_options { + padding: VALID + stride_w: 1 + stride_h: 1 + filter_height: 3 + filter_width: 3 + } + input: "padv2" + output: "ofm" +} + +input: "ifm" +output: "ofm" diff --git a/res/TensorFlowLiteRecipes/PadV2_001/test.rule b/res/TensorFlowLiteRecipes/PadV2_001/test.rule new file mode 100644 index 000000000..29b080b1e --- /dev/null +++ b/res/TensorFlowLiteRecipes/PadV2_001/test.rule @@ -0,0 +1,8 @@ +# To check if PadV2 is converted to Pad + +RULE "VERIFY_FILE_FORMAT" $(verify_file_format) '=' 1 + +RULE "PAD_EXIST" $(op_count PAD) '=' 1 +RULE "MAXPOOL2D_EXIST" $(op_count MAX_POOL_2D) '=' 1 +RULE "RELU_EXIST" $(op_count RELU) '=' 1 +RULE "NO_PADV2" $(op_count PADV2) '=' 0 diff --git a/res/TensorFlowLiteSchema/2.6.0/schema.fbs b/res/TensorFlowLiteSchema/2.6.0/schema.fbs new file mode 100644 index 000000000..6fc51f838 --- /dev/null +++ b/res/TensorFlowLiteSchema/2.6.0/schema.fbs @@ -0,0 +1,1240 @@ +// Copyright 2017 The TensorFlow Authors. All Rights Reserved. +// +// Licensed 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 specific language governing permissions and +// limitations under the License. + +// Revision History +// Version 0: Initial version. +// Version 1: Add subgraphs to schema. +// Version 2: Rename operators to conform to NN API. +// Version 3: Move buffer data from Model.Subgraph.Tensors to Model.Buffers. +// Version 3a: Add new builtin op code field. Has backward compatibility with +// version 3. + +namespace tflite; + +// This corresponds to the version. +file_identifier "TFL3"; +// File extension of any written files. +file_extension "tflite"; + +// IMPORTANT: All new members of tables, enums and unions must be added at the +// end to ensure backwards compatibility. + +// The type of data stored in a tensor. +enum TensorType : byte { + FLOAT32 = 0, + FLOAT16 = 1, + INT32 = 2, + UINT8 = 3, + INT64 = 4, + STRING = 5, + BOOL = 6, + INT16 = 7, + COMPLEX64 = 8, + INT8 = 9, + FLOAT64 = 10, + COMPLEX128 = 11, + UINT64 = 12, + // Experimental: Resource and variant types are experimental, that are subject + // to change. Do not implement custom kernels using resource & variant types + // now. + RESOURCE = 13, + VARIANT = 14, + UINT32 = 15, +} + +// Custom quantization parameters for experimenting with new quantization +// techniques. +table CustomQuantization { + custom:[ubyte] (force_align: 16); +} + +// Represents a specific quantization technique's parameters. +union QuantizationDetails { + CustomQuantization, +} + +// Parameters for converting a quantized tensor back to float. +table QuantizationParameters { + // These four parameters are the asymmetric linear quantization parameters. + // Given a quantized value q, the corresponding float value f should be: + // f = scale * (q - zero_point) + // For other quantization types, the QuantizationDetails below is used. + min:[float]; // For importing back into tensorflow. + max:[float]; // For importing back into tensorflow. + scale:[float]; // For dequantizing the tensor's values. + zero_point:[long]; + + // If this is not none, the other quantization parameters (i.e. min, max, + // scale, zero_point fields above) are ignored and the value of the + // QuantizationDetails union should be used. + details:QuantizationDetails; + + // Specifies the dimension of the Tensor's shape that the scales and + // zero_points correspond to. For example, a tensor t, with dims=[4, 3, 2, 1] + // with quantization params: + // scale=[1.0, 2.0, 3.0], zero_point=[1, 2, 3], quantization_dimension=1 + // will be quantized across the second dimension of t. + // t[:, 0, :, :] will have scale[0]=1.0, zero_point[0]=1 + // t[:, 1, :, :] will have scale[1]=2.0, zero_point[0]=2 + // t[:, 2, :, :] will have scale[2]=3.0, zero_point[0]=3 + quantized_dimension:int; +} + +// Sparse tensors. +// We use a modification of the TACO format. +// Reference: http://tensor-compiler.org/kjolstad-oopsla17-tensor-compiler.pdf +// +// To encode a conceptual n-dimensional dense tensor with dims (d0, ..., dn-1), +// potentially with a k-dimensional block (0 <= k <= n) with dims +// (dn, ..., dn+k-1), the format needs to specify: +// 1. In what order to traverse these dimensions. For example, to store a 2-D +// matrix in row major order, the traversal order would be (d0, d1), +// whereas to store it in column major order, the traversal order would be +// (d1, d0). If the 2-D matrix has a 2-D inner block, the traversal order +// could be (d0, d1, d2, d3). +// 2. How each block dimension in (dn, ..., dn+k-1) maps to the original +// tensor dimension in (d0, ..., dn-1). +// 3. In the traversal order defined above, the format (dense vs. sparse) and +// index metadata for each dimension. For a dense dimension, this is just +// the size of that dimension. For a sparse dimension, it's the same as +// the compressed index defined in the Compressed Sparse Row (CSR) format. +// (http://scipy-lectures.org/advanced/scipy_sparse/csr_matrix.html) + +// The storage type for a dimension. Currently we support: +// 1. DENSE: each coordinate in this dimension is stored implicitly. +// 2. SPARSE_CSR: only the coordinates with non-zero elements are stored. The +// compression technique is the same what CSR uses. +// More types like a sparse dimension with a different compression technique +// could be added to the list in the future. +enum DimensionType : byte { + DENSE = 0, + SPARSE_CSR = 1, +} + +table Int32Vector { + values:[int]; +} + +table Uint16Vector { + values:[ushort] (force_align: 4); +} + +table Uint8Vector { + values:[ubyte] (force_align: 4); +} + +// Variable-typed buffer to store the index metadata for a sparse dimension. +// The widest type is Int32 instead of UInt32 because tensor's shape is a int32 +// vector. We don't want the per-dimensional index to overflow that range. +union SparseIndexVector { + Int32Vector, + Uint16Vector, + Uint8Vector +} + +table DimensionMetadata { + // Whether a dimension is dense or sparse. + format:DimensionType; + // Index metadata used for a dimension. + // - If format is DimensionType.DENSE then we use the dense_size field to + // store the size of that dimension. Each index in that dimension is + // stored implicitly. + // - If format is DimensionType.SPARSE_CSR then we use array_segments and + // array_indices to encode that dimension. array_segments represents how + // to segment the indices array, each segment corresponds to one element + // in the previous dimension. array_indices represents the index of the + // non-zero elements within this dimension (as those in the CSR matrix + // format, where the first array is row pointers and the second array is + // column indices). + dense_size:int; + array_segments:SparseIndexVector; + array_indices:SparseIndexVector; +} + +// Parameters to encode a sparse TfLite tensor. +table SparsityParameters { + // The traversal order of the dimensions defined in the `shape` field of the + // conceptual dense tensor. For a n-dimensional tensors with dims (d0, d1, + // ..., dn-1), + // - if not block sparse, the traversal_order is just a permutation of (d0, + // ..., dn-1). For example, a 2-D matrix stored in row-major order would + // have traversal_order = (d0, d1). + // - if block sparse with a k-dimensional block (0 <= k <= n), the + // traversal_order has n + k elements. The first n elements are still a + // permutation of (d0, ..., dn-1). The lask k elements are a permutation + // of (dn, ..., dn+k-1), defining how to traverse a block internally. For + // example, a 2-D matrix with 2-D blocks, both stored in row-major order + // would have traversal_order = (d0, d1, d2, d3). + traversal_order:[int]; + // For an n-dimensional tensor with a k-dimensional block (0 <= k <= n), + // stores how a block dimension in (dn, ..., dn+k-1) maps to the original + // tensor dimension in (d0, ..., dn). + // It's stored in the order of (dn, ..., dn+k-1). + // If not block-sparse, this field is NULL. + block_map:[int]; + // In the traversal order defined above, the metadata needed for + // each dimension to locate the non-zero values in the original dense tensor. + // The size of the dim_metadata array = the size of the traversal_order array + // = n + k. + dim_metadata:[DimensionMetadata]; +} + +table Tensor { + // The tensor shape. The meaning of each entry is operator-specific but + // builtin ops use: [batch size, height, width, number of channels] (That's + // Tensorflow's NHWC). + shape:[int]; + type:TensorType; + // An index that refers to the buffers table at the root of the model. Or, + // if there is no data buffer associated (i.e. intermediate results), then + // this is 0 (which refers to an always existent empty buffer). + // + // The data_buffer itself is an opaque container, with the assumption that the + // target device is little-endian. In addition, all builtin operators assume + // the memory is ordered such that if `shape` is [4, 3, 2], then index + // [i, j, k] maps to data_buffer[i*3*2 + j*2 + k]. + buffer:uint; + name:string; // For debugging and importing back into tensorflow. + quantization:QuantizationParameters; // Optional. + + is_variable:bool = false; + + // Parameters to encode a sparse tensor. See the example in + // tensorflow/lite/testdata/sparse_tensor.json. + sparsity:SparsityParameters; // Optional. + + // Encodes `shape` with unknown dimensions. Unknown dimensions are + // represented with -1. + shape_signature:[int]; // Optional. +} + +// A list of builtin operators. Builtin operators are slightly faster than custom +// ones, but not by much. Moreover, while custom operators accept an opaque +// object containing configuration parameters, builtins have a predetermined +// set of acceptable options. +// LINT.IfChange +enum BuiltinOperator : int32 { + ADD = 0, + AVERAGE_POOL_2D = 1, + CONCATENATION = 2, + CONV_2D = 3, + DEPTHWISE_CONV_2D = 4, + DEPTH_TO_SPACE = 5, + DEQUANTIZE = 6, + EMBEDDING_LOOKUP = 7, + FLOOR = 8, + FULLY_CONNECTED = 9, + HASHTABLE_LOOKUP = 10, + L2_NORMALIZATION = 11, + L2_POOL_2D = 12, + LOCAL_RESPONSE_NORMALIZATION = 13, + LOGISTIC = 14, + LSH_PROJECTION = 15, + LSTM = 16, + MAX_POOL_2D = 17, + MUL = 18, + RELU = 19, + // NOTE(aselle): RELU_N1_TO_1 used to be called RELU1, but it was renamed + // since different model developers use RELU1 in different ways. Never + // create another op called RELU1. + RELU_N1_TO_1 = 20, + RELU6 = 21, + RESHAPE = 22, + RESIZE_BILINEAR = 23, + RNN = 24, + SOFTMAX = 25, + SPACE_TO_DEPTH = 26, + SVDF = 27, + TANH = 28, + CONCAT_EMBEDDINGS = 29, + SKIP_GRAM = 30, + CALL = 31, + CUSTOM = 32, + EMBEDDING_LOOKUP_SPARSE = 33, + PAD = 34, + UNIDIRECTIONAL_SEQUENCE_RNN = 35, + GATHER = 36, + BATCH_TO_SPACE_ND = 37, + SPACE_TO_BATCH_ND = 38, + TRANSPOSE = 39, + MEAN = 40, + SUB = 41, + DIV = 42, + SQUEEZE = 43, + UNIDIRECTIONAL_SEQUENCE_LSTM = 44, + STRIDED_SLICE = 45, + BIDIRECTIONAL_SEQUENCE_RNN = 46, + EXP = 47, + TOPK_V2 = 48, + SPLIT = 49, + LOG_SOFTMAX = 50, + // DELEGATE is a special op type for the operations which are delegated to + // other backends. + // WARNING: Experimental interface, subject to change + DELEGATE = 51, + BIDIRECTIONAL_SEQUENCE_LSTM = 52, + CAST = 53, + PRELU = 54, + MAXIMUM = 55, + ARG_MAX = 56, + MINIMUM = 57, + LESS = 58, + NEG = 59, + PADV2 = 60, + GREATER = 61, + GREATER_EQUAL = 62, + LESS_EQUAL = 63, + SELECT = 64, + SLICE = 65, + SIN = 66, + TRANSPOSE_CONV = 67, + SPARSE_TO_DENSE = 68, + TILE = 69, + EXPAND_DIMS = 70, + EQUAL = 71, + NOT_EQUAL = 72, + LOG = 73, + SUM = 74, + SQRT = 75, + RSQRT = 76, + SHAPE = 77, + POW = 78, + ARG_MIN = 79, + FAKE_QUANT = 80, + REDUCE_PROD = 81, + REDUCE_MAX = 82, + PACK = 83, + LOGICAL_OR = 84, + ONE_HOT = 85, + LOGICAL_AND = 86, + LOGICAL_NOT = 87, + UNPACK = 88, + REDUCE_MIN = 89, + FLOOR_DIV = 90, + REDUCE_ANY = 91, + SQUARE = 92, + ZEROS_LIKE = 93, + FILL = 94, + FLOOR_MOD = 95, + RANGE = 96, + RESIZE_NEAREST_NEIGHBOR = 97, + LEAKY_RELU = 98, + SQUARED_DIFFERENCE = 99, + MIRROR_PAD = 100, + ABS = 101, + SPLIT_V = 102, + UNIQUE = 103, + CEIL = 104, + REVERSE_V2 = 105, + ADD_N = 106, + GATHER_ND = 107, + COS = 108, + WHERE = 109, + RANK = 110, + ELU = 111, + REVERSE_SEQUENCE = 112, + MATRIX_DIAG = 113, + QUANTIZE = 114, + MATRIX_SET_DIAG = 115, + ROUND = 116, + HARD_SWISH = 117, + IF = 118, + WHILE = 119, + NON_MAX_SUPPRESSION_V4 = 120, + NON_MAX_SUPPRESSION_V5 = 121, + SCATTER_ND = 122, + SELECT_V2 = 123, + DENSIFY = 124, + SEGMENT_SUM = 125, + BATCH_MATMUL = 126, + PLACEHOLDER_FOR_GREATER_OP_CODES = 127, + CUMSUM = 128, + CALL_ONCE = 129, + BROADCAST_TO = 130, + RFFT2D = 131, + CONV_3D = 132, + IMAG=133, + REAL=134, + COMPLEX_ABS=135, + HASHTABLE = 136, + HASHTABLE_FIND = 137, + HASHTABLE_IMPORT = 138, + HASHTABLE_SIZE = 139, + REDUCE_ALL = 140, + CONV_3D_TRANSPOSE = 141, + VAR_HANDLE = 142, + READ_VARIABLE = 143, + ASSIGN_VARIABLE = 144, +} +// LINT.ThenChange(nnapi_linter/linter.proto) + +// Options for the builtin operators. +union BuiltinOptions { + Conv2DOptions, + DepthwiseConv2DOptions, + ConcatEmbeddingsOptions, + LSHProjectionOptions, + Pool2DOptions, + SVDFOptions, + RNNOptions, + FullyConnectedOptions, + SoftmaxOptions, + ConcatenationOptions, + AddOptions, + L2NormOptions, + LocalResponseNormalizationOptions, + LSTMOptions, + ResizeBilinearOptions, + CallOptions, + ReshapeOptions, + SkipGramOptions, + SpaceToDepthOptions, + EmbeddingLookupSparseOptions, + MulOptions, + PadOptions, + GatherOptions, + BatchToSpaceNDOptions, + SpaceToBatchNDOptions, + TransposeOptions, + ReducerOptions, + SubOptions, + DivOptions, + SqueezeOptions, + SequenceRNNOptions, + StridedSliceOptions, + ExpOptions, + TopKV2Options, + SplitOptions, + LogSoftmaxOptions, + CastOptions, + DequantizeOptions, + MaximumMinimumOptions, + ArgMaxOptions, + LessOptions, + NegOptions, + PadV2Options, + GreaterOptions, + GreaterEqualOptions, + LessEqualOptions, + SelectOptions, + SliceOptions, + TransposeConvOptions, + SparseToDenseOptions, + TileOptions, + ExpandDimsOptions, + EqualOptions, + NotEqualOptions, + ShapeOptions, + PowOptions, + ArgMinOptions, + FakeQuantOptions, + PackOptions, + LogicalOrOptions, + OneHotOptions, + LogicalAndOptions, + LogicalNotOptions, + UnpackOptions, + FloorDivOptions, + SquareOptions, + ZerosLikeOptions, + FillOptions, + BidirectionalSequenceLSTMOptions, + BidirectionalSequenceRNNOptions, + UnidirectionalSequenceLSTMOptions, + FloorModOptions, + RangeOptions, + ResizeNearestNeighborOptions, + LeakyReluOptions, + SquaredDifferenceOptions, + MirrorPadOptions, + AbsOptions, + SplitVOptions, + UniqueOptions, + ReverseV2Options, + AddNOptions, + GatherNdOptions, + CosOptions, + WhereOptions, + RankOptions, + ReverseSequenceOptions, + MatrixDiagOptions, + QuantizeOptions, + MatrixSetDiagOptions, + HardSwishOptions, + IfOptions, + WhileOptions, + DepthToSpaceOptions, + NonMaxSuppressionV4Options, + NonMaxSuppressionV5Options, + ScatterNdOptions, + SelectV2Options, + DensifyOptions, + SegmentSumOptions, + BatchMatMulOptions, + CumsumOptions, + CallOnceOptions, + BroadcastToOptions, + Rfft2dOptions, + Conv3DOptions, + HashtableOptions, + HashtableFindOptions, + HashtableImportOptions, + HashtableSizeOptions, + VarHandleOptions, + ReadVariableOptions, + AssignVariableOptions, +} + +enum Padding : byte { SAME, VALID } + +enum ActivationFunctionType : byte { + NONE = 0, + RELU = 1, + RELU_N1_TO_1 = 2, + RELU6 = 3, + TANH = 4, + SIGN_BIT = 5, +} + +table Conv2DOptions { + padding:Padding; + stride_w:int; + stride_h:int; + fused_activation_function:ActivationFunctionType; + dilation_w_factor:int = 1; + dilation_h_factor:int = 1; +} + +// Options for both Conv3D and Conv3DTranspose. +table Conv3DOptions { + padding:Padding; + stride_d:int; + stride_w:int; + stride_h:int; + fused_activation_function:ActivationFunctionType; + dilation_d_factor:int = 1; + dilation_w_factor:int = 1; + dilation_h_factor:int = 1; +} + +table Pool2DOptions { + padding:Padding; + stride_w:int; + stride_h:int; + filter_width:int; + filter_height:int; + fused_activation_function:ActivationFunctionType; +} + +table DepthwiseConv2DOptions { + // Parameters for DepthwiseConv version 1 or above. + padding:Padding; + stride_w:int; + stride_h:int; + // `depth_multiplier` is redundant. It's used by CPU kernels in + // TensorFlow 2.0 or below, but ignored in versions above. + // See comments in lite/c/builtin_op_data.h for more details. + depth_multiplier:int; + fused_activation_function:ActivationFunctionType; + // Parameters for DepthwiseConv version 2 or above. + dilation_w_factor:int = 1; + dilation_h_factor:int = 1; +} + +table ConcatEmbeddingsOptions { + num_channels:int; + num_columns_per_channel:[int]; + embedding_dim_per_channel:[int]; // This could be inferred from parameters. +} + +enum LSHProjectionType: byte { + UNKNOWN = 0, + SPARSE = 1, + DENSE = 2, +} + +table LSHProjectionOptions { + type: LSHProjectionType; +} + +table SVDFOptions { + rank:int; + fused_activation_function:ActivationFunctionType; + // For weights-only quantization, use asymmetric quantization for non + // constant inputs at evaluation time. + asymmetric_quantize_inputs:bool; +} + +// An implementation of TensorFlow RNNCell. +table RNNOptions { + fused_activation_function:ActivationFunctionType; + asymmetric_quantize_inputs:bool; +} + +// An implementation of TensorFlow dynamic_rnn with RNNCell. +table SequenceRNNOptions { + time_major:bool; + fused_activation_function:ActivationFunctionType; + asymmetric_quantize_inputs:bool; +} + +// An implementation of TensorFlow bidrectional_dynamic_rnn with RNNCell. +table BidirectionalSequenceRNNOptions { + time_major:bool; + fused_activation_function:ActivationFunctionType; + merge_outputs: bool; + asymmetric_quantize_inputs:bool; +} + +enum FullyConnectedOptionsWeightsFormat: byte { + DEFAULT = 0, + SHUFFLED4x16INT8 = 1, +} + +// An implementation of TensorFlow fully_connected (a.k.a Dense) layer. +table FullyConnectedOptions { + // Parameters for FullyConnected version 1 or above. + fused_activation_function:ActivationFunctionType; + + // Parameters for FullyConnected version 2 or above. + weights_format:FullyConnectedOptionsWeightsFormat = DEFAULT; + + // Parameters for FullyConnected version 5 or above. + // If set to true, then the number of dimension is preserved. Furthermore, + // all but the last dimension of the input and output shapes will be equal. + keep_num_dims: bool; + + // Parameters for FullyConnected version 7 or above. + // If set to true, then weights-only op will use asymmetric quantization for + // inputs. + asymmetric_quantize_inputs: bool; +} + +table SoftmaxOptions { + beta: float; +} + +// An implementation of TensorFlow concat. +table ConcatenationOptions { + axis:int; + fused_activation_function:ActivationFunctionType; +} + +table AddOptions { + fused_activation_function:ActivationFunctionType; + // Parameters supported by version 3. + pot_scale_int16:bool = true; +} + +table MulOptions { + fused_activation_function:ActivationFunctionType; +} + +table L2NormOptions { + // This field is currently ignored in the L2 Norm Op. + fused_activation_function:ActivationFunctionType; +} + +table LocalResponseNormalizationOptions { + radius:int; + bias:float; + alpha:float; + beta:float; +} + +enum LSTMKernelType : byte { + // Full LSTM kernel which supports peephole and projection. + FULL = 0, + // Basic LSTM kernels. Equivalent to TensorFlow BasicLSTMCell. + BASIC = 1, +} + +// An implementation of TensorFlow LSTMCell and CoupledInputForgetGateLSTMCell +table LSTMOptions { + // Parameters for LSTM version 1 or above. + fused_activation_function:ActivationFunctionType; + cell_clip: float; // Optional, 0.0 means no clipping + proj_clip: float; // Optional, 0.0 means no clipping + + // Parameters for LSTM version 2 or above. + // Basic kernel is only supported in version 2 or above. + kernel_type: LSTMKernelType = FULL; + + // Parameters for LSTM version 4 or above. + asymmetric_quantize_inputs: bool; +} + +// An implementation of TensorFlow dynamic_rnn with LSTMCell. +table UnidirectionalSequenceLSTMOptions { + fused_activation_function:ActivationFunctionType; + cell_clip: float; // Optional, 0.0 means no clipping + proj_clip: float; // Optional, 0.0 means no clipping + + // If true then first dimension is sequence, otherwise batch. + time_major:bool; + + // Parameter for Unidirectional Sequence LSTM version 4. + asymmetric_quantize_inputs:bool; +} + +table BidirectionalSequenceLSTMOptions { + // Parameters supported by version 1: + fused_activation_function:ActivationFunctionType; + cell_clip: float; // Optional, 0.0 means no clipping + proj_clip: float; // Optional, 0.0 means no clipping + + // If true, store the outputs of both directions into the first output. + merge_outputs: bool; + + // Parameters supported by version 2: + // If true then first dimension is sequence, otherwise batch. + // Version 1 implementations assumed time_major to be true, so this default + // value should never change. + time_major: bool = true; + + // Parameters for version 3 or above. + asymmetric_quantize_inputs:bool; +} + +table ResizeBilinearOptions { + new_height: int (deprecated); + new_width: int (deprecated); + align_corners: bool; + half_pixel_centers: bool; +} + +table ResizeNearestNeighborOptions { + align_corners: bool; + half_pixel_centers: bool; +} + +// A call operation options +table CallOptions { + // The subgraph index that needs to be called. + subgraph:uint; +} + +table PadOptions { +} + +table PadV2Options { +} + +table ReshapeOptions { + new_shape:[int]; +} + +table SpaceToBatchNDOptions { +} + +table BatchToSpaceNDOptions { +} + +table SkipGramOptions { + ngram_size: int; + max_skip_size: int; + include_all_ngrams: bool; +} + +table SpaceToDepthOptions { + block_size: int; +} + +table DepthToSpaceOptions { + block_size: int; +} + +table SubOptions { + fused_activation_function:ActivationFunctionType; + // Parameters supported by version 5 + pot_scale_int16:bool = true; +} + +table DivOptions { + fused_activation_function:ActivationFunctionType; +} + +table TopKV2Options { +} + +enum CombinerType : byte { + SUM = 0, + MEAN = 1, + SQRTN = 2, +} + +table EmbeddingLookupSparseOptions { + combiner:CombinerType; +} + +table GatherOptions { + axis: int; + // Parameters for Gather version 5 or above. + batch_dims: int = 0; +} + +table TransposeOptions { +} + +table ExpOptions { +} + +table CosOptions { +} + +table ReducerOptions { + keep_dims: bool; +} + +table SqueezeOptions { + squeeze_dims:[int]; +} + +table SplitOptions { + num_splits: int; +} + +table SplitVOptions { + num_splits: int; +} + +table StridedSliceOptions { + begin_mask: int; + end_mask: int; + ellipsis_mask: int; + new_axis_mask: int; + shrink_axis_mask: int; +} + +table LogSoftmaxOptions { +} + +table CastOptions { + in_data_type: TensorType; + out_data_type: TensorType; +} + +table DequantizeOptions { +} + +table MaximumMinimumOptions { +} + +table TileOptions { +} + +table ArgMaxOptions { + output_type : TensorType; +} + +table ArgMinOptions { + output_type : TensorType; +} + +table GreaterOptions { +} + +table GreaterEqualOptions { +} + +table LessOptions { +} + +table LessEqualOptions { +} + +table NegOptions { +} + +table SelectOptions { +} + +table SliceOptions { +} + +table TransposeConvOptions { + padding:Padding; + stride_w:int; + stride_h:int; +} + +table ExpandDimsOptions { +} + +table SparseToDenseOptions { + validate_indices:bool; +} + +table EqualOptions { +} + +table NotEqualOptions { +} + +table ShapeOptions { + // Optional output type of the operation (int32 or int64). Defaults to int32. + out_type : TensorType; +} + +table RankOptions { +} + +table PowOptions { +} + +table FakeQuantOptions { + // Parameters supported by version 1: + min:float; + max:float; + num_bits:int; + + // Parameters supported by version 2: + narrow_range:bool; +} + +table PackOptions { + values_count:int; + axis:int; +} + +table LogicalOrOptions { +} + +table OneHotOptions { + axis:int; +} + +table AbsOptions { +} + + +table HardSwishOptions { +} + +table LogicalAndOptions { +} + +table LogicalNotOptions { +} + +table UnpackOptions { + num:int; + axis:int; +} + +table FloorDivOptions { +} + +table SquareOptions { +} + +table ZerosLikeOptions { +} + +table FillOptions { +} + +table FloorModOptions { +} + +table RangeOptions { +} + +table LeakyReluOptions { + alpha:float; +} + +table SquaredDifferenceOptions { +} + +enum MirrorPadMode : byte { + // Doesn't include borders. + REFLECT = 0, + // Includes borders. + SYMMETRIC = 1, +} + +table MirrorPadOptions { + mode:MirrorPadMode; +} + +table UniqueOptions { + idx_out_type:TensorType = INT32; +} + +table ReverseV2Options { +} + +table AddNOptions { +} + +table GatherNdOptions { +} + +table WhereOptions { +} + +table ReverseSequenceOptions { + seq_dim:int; + batch_dim:int = 0; +} + +table MatrixDiagOptions { +} + +table QuantizeOptions { +} + +table MatrixSetDiagOptions { +} + +table IfOptions { + then_subgraph_index:int; + else_subgraph_index:int; +} + +table CallOnceOptions { + init_subgraph_index:int; +} + +table WhileOptions { + cond_subgraph_index:int; + body_subgraph_index:int; +} + +table NonMaxSuppressionV4Options { +} + +table NonMaxSuppressionV5Options { +} + +table ScatterNdOptions { +} + +table SelectV2Options { +} + +table DensifyOptions { +} + +table SegmentSumOptions { +} + +table BatchMatMulOptions { + adj_x:bool; + adj_y:bool; + // Parameters for BatchMatMul version 4 or above. + // If set to true, then weights-only op will use asymmetric quantization for + // inputs. + asymmetric_quantize_inputs: bool; +} + +table CumsumOptions { + exclusive:bool; + reverse:bool; +} + +table BroadcastToOptions { +} + +table Rfft2dOptions { +} + +table HashtableOptions { + // The identity of hash tables. This identity will be used across different + // subgraphs in the same interpreter instance. + table_id:int; + key_dtype:TensorType; + value_dtype:TensorType; +} + +table HashtableFindOptions { +} + +table HashtableImportOptions { +} + +table HashtableSizeOptions { +} + +table VarHandleOptions { + container:string; + shared_name:string; +} + +table ReadVariableOptions { +} + +table AssignVariableOptions { +} + +// An OperatorCode can be an enum value (BuiltinOperator) if the operator is a +// builtin, or a string if the operator is custom. +table OperatorCode { + // This field is for backward compatibility. This field will be used when + // the value of the extended builtin_code field has less than + // BulitinOperator_PLACEHOLDER_FOR_GREATER_OP_CODES. + deprecated_builtin_code:byte; + custom_code:string; + + // The version of the operator. The version need to be bumped whenever new + // parameters are introduced into an op. + version:int = 1; + + // This field is introduced for resolving op builtin code shortage problem + // (the original BuiltinOperator enum field was represented as a byte). + // This field will be used when the value of the extended builtin_code field + // has greater than BulitinOperator_PLACEHOLDER_FOR_GREATER_OP_CODES. + builtin_code:BuiltinOperator; +} + +enum CustomOptionsFormat : byte { + FLEXBUFFERS = 0, +} + +// An operator takes tensors as inputs and outputs. The type of operation being +// performed is determined by an index into the list of valid OperatorCodes, +// while the specifics of each operations is configured using builtin_options +// or custom_options. +table Operator { + // Index into the operator_codes array. Using an integer here avoids + // complicate map lookups. + opcode_index:uint; + + // Optional input are indicated by -1. + inputs:[int]; + outputs:[int]; + + builtin_options:BuiltinOptions; + custom_options:[ubyte]; + custom_options_format:CustomOptionsFormat; + + // A list of booleans indicating the input tensors which are being mutated by + // this operator.(e.g. used by RNN and LSTM). + // For example, if the "inputs" array refers to 5 tensors and the second and + // fifth are mutable variables, then this list will contain + // [false, true, false, false, true]. + // + // If the list is empty, no variable is mutated in this operator. + // The list either has the same length as `inputs`, or is empty. + mutating_variable_inputs:[bool]; + + // A list of indices to the subgraph's "tensors" that are internal to an Op. + // Internal tensors are those that do not flow in or out of the operation, + // but instead are part of internal computation. As such, the operation's + // implementation may manage its memory more efficiently. They are needed + // however (i.e. not just an implementation detail) since they are part of the + // computation, which may require relevant metadata such as quantization + // parameters. + intermediates:[int]; +} + +// The root type, defining a subgraph, which typically represents an entire +// model. +table SubGraph { + // A list of all tensors used in this subgraph. + tensors:[Tensor]; + + // Indices of the tensors that are inputs into this subgraph. Note this is + // the list of non-static tensors that feed into the subgraph for inference. + inputs:[int]; + + // Indices of the tensors that are outputs out of this subgraph. Note this is + // the list of output tensors that are considered the product of the + // subgraph's inference. + outputs:[int]; + + // All operators, in execution order. + operators:[Operator]; + + // Name of this subgraph (used for debugging). + name:string; +} + +// Table of raw data buffers (used for constant tensors). Referenced by tensors +// by index. The generous alignment accommodates mmap-friendly data structures. +table Buffer { + data:[ubyte] (force_align: 16); +} + +table Metadata { + // A human readable string to uniquely identify a Metadata. + name:string; + // An index to the buffers table. + buffer:uint; +} + +// Map from an alias name of tensor to tensor index in the graph. +// This is used in Signature def. +table TensorMap { + // Represents the alias to use for this tensor. + name:string; + + // The actual tensor index in the primary graph, that 'name' corresponds to. + tensor_index:uint; +} + +// This corresponds to SignatureDef in Tensorflow SavedModel. +// The SignatureDef will be part of the SavedModel provided for conversion. +table SignatureDef { + // Named inputs for this signature. + inputs:[TensorMap]; + + // Named outputs for this signature. + outputs:[TensorMap]; + + // Exported method name for this signature. + method_name:string; + + // Key value which was in the Tensorflow SavedModel SignatureDef map. + key:string; + + // Subgraph index of the exported method. + subgraph_index:uint; +} + +table Model { + // Version of the schema. + version:uint; + + // A list of all operator codes used in this model. This is + // kept in order because operators carry an index into this + // vector. + operator_codes:[OperatorCode]; + + // All the subgraphs of the model. The 0th is assumed to be the main + // model. + subgraphs:[SubGraph]; + + // A description of the model. + description:string; + + // Buffers of the model. + // Note the 0th entry of this array must be an empty buffer (sentinel). + // This is a convention so that tensors without a buffer can provide 0 as + // their buffer. + buffers:[Buffer]; + + // Metadata about the model. Indirects into the existings buffers list. + // Deprecated, prefer to use metadata field. + metadata_buffer:[int]; + + // Metadata about the model. + metadata:[Metadata]; + + // Optional SignatureDefs for the model. + signature_defs:[SignatureDef]; +} + +root_type Model; diff --git a/res/TensorFlowLiteSchema/SCHEMA.lst b/res/TensorFlowLiteSchema/SCHEMA.lst index 73dfacd7b..609ef4b0b 100644 --- a/res/TensorFlowLiteSchema/SCHEMA.lst +++ b/res/TensorFlowLiteSchema/SCHEMA.lst @@ -6,3 +6,4 @@ VERSION,URL 2.2.0,https://raw.githubusercontent.com/tensorflow/tensorflow/v2.2.0/tensorflow/lite/schema/schema.fbs 2.3.0-rc0,https://raw.githubusercontent.com/tensorflow/tensorflow/v2.3.0-rc0/tensorflow/lite/schema/schema.fbs 2.3.0,https://raw.githubusercontent.com/tensorflow/tensorflow/v2.3.0/tensorflow/lite/schema/schema.fbs +2.6.0,https://raw.githubusercontent.com/tensorflow/tensorflow/v2.6.0/tensorflow/lite/schema/schema.fbs |