diff options
Diffstat (limited to 'ethosu/vela/tflite/Tensor.py')
| -rw-r--r-- | ethosu/vela/tflite/Tensor.py | 89 |
1 files changed, 87 insertions, 2 deletions
diff --git a/ethosu/vela/tflite/Tensor.py b/ethosu/vela/tflite/Tensor.py index 4c39b7cb..87303e11 100644 --- a/ethosu/vela/tflite/Tensor.py +++ b/ethosu/vela/tflite/Tensor.py @@ -3,17 +3,27 @@ # namespace: tflite import flatbuffers +from flatbuffers.compat import import_numpy +np = import_numpy() class Tensor(object): __slots__ = ['_tab'] @classmethod - def GetRootAsTensor(cls, buf, offset): + def GetRootAs(cls, buf, offset=0): n = flatbuffers.encode.Get(flatbuffers.packer.uoffset, buf, offset) x = Tensor() x.Init(buf, n + offset) return x + @classmethod + def GetRootAsTensor(cls, buf, offset=0): + """This method is deprecated. Please switch to GetRootAs.""" + return cls.GetRootAs(buf, offset) + @classmethod + def TensorBufferHasIdentifier(cls, buf, offset, size_prefixed=False): + return flatbuffers.util.BufferHasIdentifier(buf, offset, b"\x54\x46\x4C\x33", size_prefixed=size_prefixed) + # Tensor def Init(self, buf, pos): self._tab = flatbuffers.table.Table(buf, pos) @@ -41,6 +51,11 @@ class Tensor(object): return 0 # Tensor + def ShapeIsNone(self): + o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(4)) + return o == 0 + + # Tensor def Type(self): o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(6)) if o != 0: @@ -112,15 +127,85 @@ class Tensor(object): return self._tab.VectorLen(o) return 0 -def TensorStart(builder): builder.StartObject(8) + # Tensor + def ShapeSignatureIsNone(self): + o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(18)) + return o == 0 + + # Tensor + def HasRank(self): + o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(20)) + if o != 0: + return bool(self._tab.Get(flatbuffers.number_types.BoolFlags, o + self._tab.Pos)) + return False + + # Tensor + def VariantTensors(self, j): + o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(22)) + if o != 0: + x = self._tab.Vector(o) + x += flatbuffers.number_types.UOffsetTFlags.py_type(j) * 4 + x = self._tab.Indirect(x) + from .VariantSubType import VariantSubType + obj = VariantSubType() + obj.Init(self._tab.Bytes, x) + return obj + return None + + # Tensor + def VariantTensorsLength(self): + o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(22)) + if o != 0: + return self._tab.VectorLen(o) + return 0 + + # Tensor + def VariantTensorsIsNone(self): + o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(22)) + return o == 0 + +def TensorStart(builder): builder.StartObject(10) +def Start(builder): + return TensorStart(builder) def TensorAddShape(builder, shape): builder.PrependUOffsetTRelativeSlot(0, flatbuffers.number_types.UOffsetTFlags.py_type(shape), 0) +def AddShape(builder, shape): + return TensorAddShape(builder, shape) def TensorStartShapeVector(builder, numElems): return builder.StartVector(4, numElems, 4) +def StartShapeVector(builder, numElems): + return TensorStartShapeVector(builder, numElems) def TensorAddType(builder, type): builder.PrependInt8Slot(1, type, 0) +def AddType(builder, type): + return TensorAddType(builder, type) def TensorAddBuffer(builder, buffer): builder.PrependUint32Slot(2, buffer, 0) +def AddBuffer(builder, buffer): + return TensorAddBuffer(builder, buffer) def TensorAddName(builder, name): builder.PrependUOffsetTRelativeSlot(3, flatbuffers.number_types.UOffsetTFlags.py_type(name), 0) +def AddName(builder, name): + return TensorAddName(builder, name) def TensorAddQuantization(builder, quantization): builder.PrependUOffsetTRelativeSlot(4, flatbuffers.number_types.UOffsetTFlags.py_type(quantization), 0) +def AddQuantization(builder, quantization): + return TensorAddQuantization(builder, quantization) def TensorAddIsVariable(builder, isVariable): builder.PrependBoolSlot(5, isVariable, 0) +def AddIsVariable(builder, isVariable): + return TensorAddIsVariable(builder, isVariable) def TensorAddSparsity(builder, sparsity): builder.PrependUOffsetTRelativeSlot(6, flatbuffers.number_types.UOffsetTFlags.py_type(sparsity), 0) +def AddSparsity(builder, sparsity): + return TensorAddSparsity(builder, sparsity) def TensorAddShapeSignature(builder, shapeSignature): builder.PrependUOffsetTRelativeSlot(7, flatbuffers.number_types.UOffsetTFlags.py_type(shapeSignature), 0) +def AddShapeSignature(builder, shapeSignature): + return TensorAddShapeSignature(builder, shapeSignature) def TensorStartShapeSignatureVector(builder, numElems): return builder.StartVector(4, numElems, 4) +def StartShapeSignatureVector(builder, numElems): + return TensorStartShapeSignatureVector(builder, numElems) +def TensorAddHasRank(builder, hasRank): builder.PrependBoolSlot(8, hasRank, 0) +def AddHasRank(builder, hasRank): + return TensorAddHasRank(builder, hasRank) +def TensorAddVariantTensors(builder, variantTensors): builder.PrependUOffsetTRelativeSlot(9, flatbuffers.number_types.UOffsetTFlags.py_type(variantTensors), 0) +def AddVariantTensors(builder, variantTensors): + return TensorAddVariantTensors(builder, variantTensors) +def TensorStartVariantTensorsVector(builder, numElems): return builder.StartVector(4, numElems, 4) +def StartVariantTensorsVector(builder, numElems): + return TensorStartVariantTensorsVector(builder, numElems) def TensorEnd(builder): return builder.EndObject() +def End(builder): + return TensorEnd(builder)
\ No newline at end of file |