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Models consisting only of layers included in this list can be converted.
Table of contents
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Table of Contents | ||||
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Caffe
Support version (Caffe)
V1.0
Support Layer (Caffe)
Caffe Layer Type | Comments |
---|---|
Convolution |
|
Deconvolution |
|
Pooling - MAX, AVG |
|
Crop |
|
InnerProduct |
|
LRN |
|
BatchNormalization |
|
ReLU |
|
Leaky-ReLU |
|
PReLU |
|
ELU |
|
Sigmoid |
|
TanH |
|
AbsVal |
|
Bias |
|
Scale |
|
Power |
|
Exp |
|
Log |
|
BNLL |
|
Flatten |
|
Reshape |
|
Concat |
|
Eltwise - SUM |
|
Eltwise - MAX |
|
Eltwise - PROD |
|
Reduction - SUM |
|
Reduction - MEAN |
|
Reduction - ASUM |
|
Reduction - SUMSQ |
|
Softmax |
|
Input |
|
Split | Parser maps output to input |
Slice |
|
ArgMax | Only K=1 is supported. |
Dropout | Parser maps output to input |
Tensorflow
Support version (Tensorflow)
V1.10.1 ~ V1.15
Support Layer (Tensorflow)
TensorFlow Op Type | TensorFlow Function | Comments |
---|---|---|
MatMul, BatchMatMulV2 | tf.linalg.matmul tf.matmul | adjoint_a, adjoint_b, a_is_sparse, b_is_sparse not supported |
AvgPool | tf.nn.avg_pool |
|
MaxPool | tf.nn.max_pool |
|
Conv2D | tf.nn.conv2d | Filter has to be constant |
DepthwiseConv2dNative | tf.nn.depthwise_conv2d |
|
Conv2DBackpropInput | tf.nn.conv2d_backprop_input | Assumptions:
|
Conv2DBackpropFilter | tf.nn.conv2d_backprop_filter | Assumptions:
|
LRN | tf.nn.local_response_normalization |
|
Softmax | tf.nn.softmax |
|
Reshape | tf.reshape | Pre- and Post- transpose ops are added in case reshape involves depth dim |
Sigmoid | tf.sigmoid |
|
Tanh | tf.nn.tanh |
|
| tf.nn.atrous_conv2d | Expands to SpaceToBatchND-> Conv2D -> BatchToSpaceND |
SpaceToBatchND | tf.space_to_batch_nd | [SpaceToBatchND -> Conv2D -> BatchToSpaceND] works |
BatchToSpaceND | tf.batch_to_space_nd | [SpaceToBatchND -> Conv2D -> BatchToSpaceND] works |
Const | tf.constant |
|
Placeholder | tf.placeholder |
|
Max | tf.reduce_max | keepdims supported using transpose node |
Min | tf.reduce_min | keepdims supported using transpose node |
Sum | tf.reduce_sum | keepdims supported using transpose node |
Prod | tf.reduce_prod | keepdims supported using transpose node |
Mean | tf.reduce_mean | keepdims supported using transpose node |
Squeeze | tf.squeeze | axis parameter not supported |
BatchNorm | tf.nn.batch_normalization |
|
FusedBatchNorm | tf.nn.fused_batch_norm |
|
Relu | tf.nn.relu |
|
Elu | tf.nn.elu |
|
Relu6 | tf.nn.relu6 |
|
LeakyRelu | tf.nn.leaky_relu |
|
Concat | tf.concat |
|
ConcatV2 | tf.concatv2 |
|
Add | tf.add |
|
BiasAdd | tf.nn.bias_add |
|
AddN | tf.addn |
|
Sub | tf.subtract |
|
Abs | tf.abs |
|
Neg | tf.negative |
|
Ceil | tf.ceil |
|
Floor | tf.floor |
|
Exp | tf.exp |
|
Log | tf.log |
|
Reciprocal | tf.reciprocal |
|
Pow | tf.pow |
|
Mul | tf.multiply |
|
Square | tf.square |
|
Sqrt | tf.sqrt |
|
Rsqrt | tf.rqrt |
|
Div | tf.div |
|
TrueDiv | tf.truediv |
|
RealDiv | tf.realdiv |
|
Divide | tf.divide |
|
Maximum | tf.maximum |
|
Minimum | tf.minimum |
|
Pad, MirrorPad | tf.pad | Limited support. |
Transpose | tf.transpose | conjugate = True not supported |
ResizeBilinear | tf.image.resize_bilinear |
|
ResizeNearestNeighbor | tf.image.resize_nearest_neighbor | align_corners = True not supported half_center_pixels = True not supported |
Resamp | tf.contrib.resampler |
|
Slice | tf.slice | begin and size dtype int64 not supported |
StridedSlice | tf.strided_slice |
|
Split, SplitV | tf.split | only "num_split" attr is supported |
ArgMin | tf.argmin |
|
ArgMax | tf.argmax |
|
OneHot | tf.one_hot |
|
SquaredDifference | tf.squared_difference |
|
Pack | tf.stack |
|
Unpack | tf.unstack |
|
Range | tf.range |
|
ClipByValue | tf.clip_by_value |
|
ScatterND | tf.scatter_nd | Duplicate indices values will be overwritten to the last index value. |
Gather | tf.gather | Only axis = 0 is supported |
| tf.nn.l2_normalize | Expands to math operators |
TopKV2 | tf.math.top_k |
|
Cast | tf.dtypes.saturate_cast | tf.cast might fail. |
ZerosLike | tf.zeros_like |
|
OnesLike | tf.ones_like |
|
Tile | tf.tile |
|
Softplus | tf.math.softplus |
|
Identity | tf.identity |
|
ExpandDims | tf.expand_dims |
|
FakeQuantWithMinMaxArgs | tf.fake_quant_with_min_max_args |
|
FakeQuantWithMinMaxVars | tf.fake_quant_with_min_max_vars |
|
Shape | tf.Shape |
|
CheckNumerics | tf.check_numerics |
|
NoOp | tf.no_op |
|
Assert | tf.Assert |
|
Mish |
|
|
Swish |
|
|
Sign | tf.math.sign |
|
Level Curve | Custom op |
|
FloorMod | tf.math.floormod |
Tensorflow Lite
Support version (Tensorflow Lite)
V1.10.1 ~
Support Layer (Tensorflow Lite)
TFLite Op | TensorFlow API | Comments |
---|
ABS | tf. |
abs |
|
ADD | tf. |
add | ||
ARG_MAX | tf.argmax | |
ARG_MIN | tf.argmin | |
AVERAGE_POOL_2D | tf.nn.avg_pool |
|
BATCH_MATMUL | tf.matmul | |
BATCH_TO_SPACE | tf.batch_to_space | SpaceToBatch - |
>Conv - |
>BatchToSpace |
BatchToSpace
patterns are |
detected and fused |
into Conv primitive. | ||
CAST | tf.identity | Optimized during |
conversion to |
protobuf | ||
CONCATENATION | tf.concat |
|
CONV_2D | tf.nn.conv2d | Filter has to be |
constant. Use surgery with |
ConstantifyShapes |
to make it constant | ||
DENSIFY | tf.Variable | Optimized during |
conversion to |
protobuf | ||
DEPTHWISE_CONV_2D | tf.nn.depthwise_conv2d |
|
DEPTH_TO_SPACE | tf.nn.depth_to_space | Evaluates to |
multiple reshape |
and transpose SGL |
nodes | ||
DEQUANTIZE | tf.identity | Optimized during |
conversion to |
protobuf | ||
DIV | tf.divide |
|
EQUAL | tf.equal | |
EXP | tf.exp |
|
EXPAND_DIMS | tf.expand_dims | Parser maps output |
to input | ||
FAKE_QUANT | tf.quantization.fake_quant_with_min_max_vars | Parser maps output |
to input with |
quantization |
information |
captured. |
FILL | tf. |
adjoint_a, adjoint_b,
a_is_sparse,
b_is_sparse not
supported
IDENTITY
tf.identity
Optimized during
conversion to
fill | Depends on fill value. Defaults to 0 | |
FLOOR_DIV | tf.math.floordiv | Div followed by Floor |
FLOOR_MOD | tf.math.floormod | Mod(x,y)=x-Floor(x*Rexiprocal(y))*y |
FULLY_CONNECTED | tf.matmul | adjoint_a, adjoint_b, a_is_sparse, b_is_sparse not supported |
GATHER | tf.gather | |
GATHER_ND | tf.gather_nd | |
GREATER | tf.greater | |
GREATER_EQUAL | tf.greater_equal | |
IDENTITY | tf.identity | Optimized during conversion to protobuf |
LEAKY_RELU | tf.nn.leaky_relu |
|
LESS | tf.less | |
LESS_EQUAL | tf.less_equal | |
LOG | tf.math. |
log |
| |
LOGICAL_AND | tf.logical_and | |
LOGICAL_NOT | tf.logical_not | |
LOGICAL_OR | tf.logical_or | |
LOGISTIC | tf.sigmoid |
|
MAXIMUM | tf.maximum |
|
MAX_POOL_2D | tf.nn.max_pool |
|
MEAN | tf.reduce_mean |
|
MINIMUM | tf.minimum |
|
MUL | tf.multiply |
|
NEG | tf.math.negative |
|
PACK | tf.stack |
|
PAD | tf.pad |
|
PRELU | - | This op is exanded |
to Relu, Neg, Mul, |
Add in protobuf. Parser groups them |
into Prelu SGL | ||
QUANTIZE | tf.identity | Optimized during |
conversion to |
protobuf | ||
RANGE | tf.range | Constant SGL node created |
REDUCE_MAX | tf.reduce_max |
|
REDUCE_MIN | tf.reduce_min |
|
REDUCE_PROD | tf.reduce_prod | |
RELU | tf.nn.relu |
|
RELU6 | tf.nn.relu6 |
|
RESHAPE | tf.reshape |
|
RESIZE_BILINEAR | tf.image.resize_bilinear |
|
RESIZE_NEAREST_NEIGHBOR | tf.image.resize_nearest_neighbor |
|
RSQRT | tf.math.rsqrt | Square Root followed by Reciprocal |
SELECT | tf.where | |
SHAPE | tf.Shape | Shape values are |
computed in first |
pass of parser | ||
SLICE | tf.slice |
|
SOFTMAX | tf.nn.softmax |
|
SPACE_TO_BATCH | tf.space_to_batch | SpaceToBatch -> |
Conv - |
>BatchToSpace |
BatchToSpace
patterns are |
detected and fused |
into Conv primitive. | ||
SPACE_TO_DEPTH | tf.nn.space_to_depth | |
SPLIT | tf.split |
|
SPLIT_V | tf.split |
|
SQRT | tf.sqrt | |
SQUARED_DIFFERENCE | tf.math.squared_difference | Sub followed by Mul |
SQUEEZE | tf.squeeze |
|
STRIDED_SLICE | tf.strided_slice |
|
SUB | tf.subtract |
|
SUM | tf.reduce_sum |
|
TANH | tf.math.tanh |
| ||
TILE | tf.tile | |
TOPK_V2 | tf.math.top_k | |
TRANSPOSE | tf.transpose |
|
TRANSPOSE_CONV | tf.nn.conv2d_transpose | Assumptions:
|
| ||
UNPACK | tf.unstack |
|
WHERE | tf.where | |
ZEROS_LIKE | tf.zeros_like | Fill const node with zeros |
ONNX
Support version (ONNX)
V1.3.0 ~ V1.611.0
Support Layer (ONNX)
Operator | Operator |
---|
Set | Comments | |
---|---|---|
Add | 1,6,7,13,14 |
|
Abs | 1 |
,6 |
| |
And | 1,7 | BitVector data-format needs to be specified for inputs using layer-level sideband. |
ArgMax | 1,11,12,13 | Since operator set 12, the 'select_last_index' attribute must be 0. |
ArgMin | 1,11,12,13 | Since operator set 12, the 'select_last_index' attribute must be 0. |
AveragePool | 1,7,10,11 |
Supports up to 3 spatial dimensions. | ||
BatchNormalization | 1,6,7,9 |
|
Cast | 1,6,9,13 | Passthrough. |
Ceil | 1,6 |
|
Celu | 12 |
|
Constant | 1,9,11 |
,12,13 | 'sparse_value' attribute is not supported. | |
*ConstantOfShape | 9 | All inputs must be constants. |
Conv | 1,11 | All inputs except for 'X' must be constants. Supports up to 3 spatial dimensions. |
ConvTranspose | 1,11 | All inputs except for 'X' must be constants. Supports up to 3 spatial dimensions. |
Ceil
1,6
Concat | 1,4,11,13 |
|
Cos | 7 | |
Clip | 1,6,11,12,13 |
|
CumSum | 11,14 | All inputs except for 'x' must be constants. |
DepthToSpace | 1,11,13 |
|
DequantizeLinear | 10,13 | All inputs except for 'x' must be constants. |
Div | 1,6,7,13,14 |
|
Dropout | 1,6,7,10,12,13 | Passthrough. Since operator set 12, the 'training_mode' input must evaluate to false. |
Elu | 1,6 |
|
Equal | 1,7,11,13 |
|
Erf | 9,13 |
|
Exp | 1,6 |
|
Expand | 8,13 |
|
Flatten | 1,9,11,13 |
|
Floor | 1,6 |
|
Gather | 1 |
,11,13 | Negative index values will not be interpreted correctily for dynamic ‘indices’ input. Significant rank of gathered entries cannot exceed 3, i.e. if gathering 4-dimensional entries, the outermost dimension of each entry must have size 1. | |
GatherElements | 11 | 'indices' input must be a constant. |
GatherND | 11,12,13 | Negative index values will not be interpreted correctly for dynamic 'indices' input |
. Since operator set 12, the 'batch_dims' attribute must be 0. | ||
Gemm | 1,6,7,9,11,13 | 'C' input must be a constant. |
GlobalAveragePool | 1 |
|
GlobalMaxPool | 1 |
|
Greater | 1,7,9,13 |
|
GreaterOrEqual | 12,16 |
|
HardSigmoid | 1,6 |
|
HardSwish | 14 | |
Identity | 1 | Passthrough. |
InstanceNormalization | 1,6 |
|
LeakyRelu | 1,6 |
|
Less | 1,7,9,13 |
|
LessOrEqual | 12,16 |
|
Log | 1,6 |
|
LogSoftmax | 1,11,13 | |
LRN | 1 |
|
MatMul | 1,9 |
|
Max | 1,6,8,12,13 |
|
MaxPool | 1,8,10,11,12 |
|
Mean | 1,6,8 |
|
Min | 1,6,8,12,13 |
|
Mul | 1,6,7 |
|
Neg | 1,6 |
|
OneHot | 9, |
11 | All inputs except for 'indices' must be constants. |
Pad | 1,2,11,13 |
If the 'mode' attribute is 'constant', |
padding value must be 0. Since operator set 11, all inputs except for 'data' must be constants. | ||
Pow | 1,7,12,13,15 |
|
PRelu | 1,6,7,9 |
|
QLinearConv | 10 | All inputs except for 'x' must be constants. Supports up to 3 spatial dimensions. |
QLinearMatMul | 10 | All inputs except for 'a' and 'b' must be constants. |
QuantizeLinear | 10,13 | All inputs except for 'x' must be constants. |
RandomUniform | 1 |
|
Reshape | 1,5,13 | Since operator set 5, the 'shape' input should be a constant. |
Reciprocal | 1,6 |
|
Relu | 1,6,13,14 |
|
ReduceL1 | 1,11,13 |
|
ReduceL2 | 1,11,13 |
|
ReduceLogSumExp | 1,11 |
|
ReduceMax | 1,11,12,13 |
|
ReduceMean | 1,11,13 |
|
ReduceMin | 1,11,12,13 |
|
ReduceProd | 1,11 |
|
ReduceSum | 1,11 |
,13 | Since operator set 13, input tensor 'axes' must be constant. | |
Resize | 10,11 | All inputs except for 'x' must be constants. |
Round | 11 | By default, halfs are rounded towards positive infinity. Rounding halfs to the nearest even integer is only supported in |
ScatterElements
11
CV3. |
ScatterElements | 11 | 'indices' input must be a constant. |
ScatterND | 11 | |
Selu | 1,6 |
|
*Shape | 1 | 'data' input must have constant shape. |
Sigmoid | 1,6 |
|
Sin | 7 | |
Slice | 1,10,11,13 | All inputs except for 'data' must be constants. |
Softmax | 1,11,13 |
|
Softplus | 1 |
|
Split | 1,2,11,13 | All inputs except for 'input' must be constants. |
Sqrt | 1,6 |
|
Squeeze | 1,11,13 | Since operator set 13, the 'axes' input tensor must be a constant if it is specified. |
Sub | 1,6,7 |
|
Sum | 1,6,8 |
|
Tanh | 1,6 |
|
Tile | 1,6 |
|
TopK | 1,10,11 |
|
Transpose | 1,13 |
|
Upsample | 7,9 | All inputs except for 'X' must be constants. |
Unsqueeze | 1,11 |
,13 | Since operator set 13, the 'axes' input tensor must be a constant if it is specified. |
Where | 9,16 |
(*) Some operators are not directly supported but can typically be folded/removed.