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Add 5D date_layout for video input #126

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Add 5D date_layout for video input #126

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f96bae8
add the type of 5 dimension video input into the data_layout
x7779 Jul 8, 2024
4f76592
adding the additional type in infere_data_layouts
x7779 Jul 8, 2024
ad12999
adds 5D channel last NDHWC
x7779 Jul 8, 2024
e660a44
infer 5D channel last NDHWC
x7779 Jul 8, 2024
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10 changes: 7 additions & 3 deletions src/qonnx/core/data_layout.py
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Original file line number Diff line number Diff line change
Expand Up @@ -34,16 +34,20 @@
NCW = ["N", "C", "W"]
NWC = ["N", "W", "C"]
NC = ["N", "C"]
# 5-dimension video input, D for sequence depth
NCDHW = ["N", "C", "D", "H", "W"]
NDHWC = ["N", "D", "H", "W", "C"]

UNKNOWN = []


def is_channels_last(layout):
return layout[-1] == "C"


def get_channels_last_layout_for_ndims(ndims):
return {4: NHWC, 3: NWC, 2: NC}[ndims]
return {5: NDHWC, 4: NHWC, 3: NWC, 2: NC}[ndims]


def get_channels_first_layout_for_ndims(ndims):
return {4: NCHW, 3: NCW, 2: NC}[ndims]
return {5: NCDHW, 4: NCHW, 3: NCW, 2: NC}[ndims]

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13 changes: 13 additions & 0 deletions src/qonnx/transformation/infer_data_layouts.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,11 @@ def _dims_to_layout(model, node, ndims):
return DataLayout.NWC
elif layout == "NC" and ndims == 2:
return DataLayout.NC
# 5D
elif layout == "NCDHW" and ndims == 5:
return DataLayout.NCDHW
elif layout == "NDHWC" and ndims == 5:
return DataLayout.NDHWC
else:
return DataLayout.UNKNOWN
else:
Expand All @@ -59,6 +64,9 @@ def _dims_to_layout(model, node, ndims):
return DataLayout.NWC
elif ndims == 2:
return DataLayout.NC
# 5D
elif ndims == 5:
return DataLayout.NCDHW
else:
return DataLayout.UNKNOWN
else:
Expand Down Expand Up @@ -135,6 +143,11 @@ def apply(self, model):
graph_modified = True
warnings.warn("Assuming 2D input is NC")
model.set_tensor_layout(inp_name, DataLayout.NC)
# 5D
elif len(inp_shape) == 5:
graph_modified = True
warnings.warn("Assuming 5D input is NCDHW")
model.set_tensor_layout(inp_name, DataLayout.NCDHW)
else:
raise Exception(
"""Unknown number of dims for input, don't know
Expand Down