6. Supported operators

PopART is compatible with ONNX versions up to and including 1.6. (see ONNX Versioning). This section lists the supported operators.

The Graphcore (ai.graphcore) and ONNX (ai.onnx) operators, and versions supported, are listed below. See ONNX Operators for more information.

6.1. Domain: ai.onnx

  • Abs-6

  • Add-6

  • Add-7

  • And-1

  • And-7

  • ArgMax-1

  • ArgMax-11

  • ArgMin-1

  • ArgMin-11

  • Asin-7

  • Atan-7

  • AveragePool-1

  • AveragePool-7

  • AveragePool-10

  • AveragePool-11

  • BatchNormalization-6

  • BatchNormalization-7

  • BatchNormalization-9

  • Cast-6

  • Cast-9

  • Ceil-1

  • Ceil-6

  • Clip-6

  • Clip-11

  • Concat-1

  • Concat-4

  • Concat-11

  • Constant-9

  • Constant-11

  • ConstantOfShape-9

  • Conv-1

  • Conv-11

  • ConvTranspose-1

  • ConvTranspose-11

  • Cos-7

  • Cosh-9

  • CumSum-11

  • Div-6

  • Div-7

  • Dropout-6

  • Dropout-7

  • Dropout-10

  • Elu-1

  • Elu-6

  • Equal-1

  • Equal-7

  • Equal-11

  • Erf-9

  • Exp-6

  • Expand-8

  • Flatten-1

  • Flatten-9

  • Flatten-11

  • Floor-1

  • Floor-6

  • GRU-3

  • GRU-7

  • Gather-1

  • Gather-11

  • GlobalAveragePool-1

  • GlobalMaxPool-1

  • Greater-1

  • Greater-7

  • Greater-9

  • HardSigmoid-1

  • HardSigmoid-6

  • Identity-1

  • If-1

  • If-11

  • InstanceNormalization-6

  • IsInf-10

  • IsNaN-9

  • LRN-1

  • LSTM-1

  • LSTM-7

  • LeakyRelu-1

  • LeakyRelu-6

  • Less-7

  • Less-9

  • Log-6

  • LogSoftmax-1

  • LogSoftmax-11

  • Loop-1

  • Loop-11

  • MatMul-1

  • MatMul-9

  • Max-6

  • Max-8

  • MaxPool-1

  • MaxPool-8

  • MaxPool-10

  • MaxPool-11

  • Mean-6

  • Mean-8

  • Min-6

  • Min-8

  • Mul-6

  • Mul-7

  • Neg-6

  • Not-1

  • OneHot-9

  • OneHot-11

  • Or-1

  • Or-7

  • PRelu-9

  • Pad-2

  • Pad-11

  • Pow-1

  • Pow-7

  • RandomNormal-1

  • RandomNormalLike-1

  • RandomUniform-1

  • RandomUniformLike-1

  • Reciprocal-6

  • ReduceL1-1

  • ReduceL1-11

  • ReduceL2-1

  • ReduceL2-11

  • ReduceLogSum-1

  • ReduceLogSum-11

  • ReduceLogSumExp-1

  • ReduceLogSumExp-11

  • ReduceMax-1

  • ReduceMax-11

  • ReduceMean-1

  • ReduceMean-11

  • ReduceMin-1

  • ReduceMin-11

  • ReduceProd-1

  • ReduceProd-11

  • ReduceSum-1

  • ReduceSum-11

  • ReduceSumSquare-1

  • ReduceSumSquare-11

  • Relu-6

  • Reshape-5

  • Resize-10

  • Resize-11

  • Round-11

  • Scan-9

  • Scan-11

  • Scatter-9

  • Selu-1

  • Selu-6

  • Shape-1

  • Shrink-9

  • Sigmoid-6

  • Sign-9

  • Sin-7

  • Sinh-9

  • Slice-1

  • Slice-10

  • Slice-11

  • Softmax-1

  • Softmax-11

  • Softplus-1

  • Softsign-1

  • Split-2

  • Split-11

  • Sqrt-6

  • Squeeze-1

  • Squeeze-11

  • Sub-6

  • Sub-7

  • Sum-6

  • Sum-8

  • Tanh-6

  • ThresholdedRelu-10

  • Tile-1

  • Tile-6

  • TopK-1

  • TopK-10

  • TopK-11

  • Transpose-1

  • Unsqueeze-1

  • Unsqueeze-11

  • Upsample-9

  • Where-9

6.2. Domain: ai.graphcore

  • Abort-1

  • AddLhsInplace-1

  • Atan2-1

  • AutoLossScaleProxy-1

  • BinaryConstScalar-1

  • BitwiseAnd-1

  • BitwiseNot-1

  • BitwiseOr-1

  • BitwiseXnor-1

  • BitwiseXor-1

  • Call-1

  • ConvFlipWeights-1

  • CopyVarUpdate-1

  • Ctc-1

  • CtcBeamSearchDecoder-1

  • Detach-1

  • DynamicAdd-1

  • DynamicSlice-1

  • DynamicUpdate-1

  • DynamicZero-1

  • Expm1-1

  • Fmod-1

  • Gelu-1

  • GroupNormalization-1

  • Histogram-1

  • HostLoad-1

  • HostStore-1

  • IdentityLoss-1

  • Init-1

  • L1-1

  • LSTM-1

  • Log1p-1

  • LossScaleUpdate-1

  • MultiConv-1

  • Nll-1

  • Nop-1

  • PackedDataBlock-1

  • PrintTensor-1

  • ReduceMedian-1

  • RemoteLoad-1

  • RemoteStore-1

  • ReplicatedAllGather-1

  • ReplicatedAllReduce-1

  • ReplicatedAllReduceInplace-1

  • ReplicatedReduceScatter-1

  • Reshape-1

  • Reverse-1

  • Round-1

  • Scale-1

  • ScaledAdd-1

  • ScatterReduce-1

  • SequenceSlice-1

  • ShapedDropout-1

  • Square-1

  • Subsample-1

  • Swish-1

  • UnaryZeroGrad-1

  • Zeros-1

  • ZerosLike-1

6.2.1. Limitations

Warning

The information provided in this section is incomplete.

6.3. Limitations of ai.onnx operators

  • Clip-11: Does not support variable min/max input parameters. The parameters must contain a value at model initialisation and any run-time changes to these parameters will not be read by the model.

6.4. Limitations of ai.graphcore operators

There are no known limitations.