nnet.keras.layer.FlattenCStyleLayer is not supported
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Hello,
I've imported a NN in SaveModel fromat from TensorFlow (v2.6). It has a Keras flatten layer and when I try to generate the HDL with Deep Learning HDL Toolbox Support Package For Intel FPGA And SoC Devices I get the following message:
Error using dnnfpga.compiler.codegenfpga
Layer nnet.keras.layer.FlattenCStyleLayer is not supported. See the documentation for list of supported layers.
Error in dnnfpga.apis.Workflow/compileNetwork
Error in dnnfpga.apis.Workflow/compile
Error in generate_HDL_from_NN (line 19)
dn = hW.compile;
However, nnet.keras.layer.FlattenCStyleLayer is supported according to documentation (https://es.mathworks.com/help/deep-learning-hdl/ug/supported-networks-layers-boards-and-tools.html)
I realised that nnet.keras.layer.FlattenCStyleLayer must be followed by a Fully connected layer and it does.
These are the layers from the NN imported:
nn.Layers =
7×1 Layer array with layers:
1 'input_layer' Image Input 28×28×1 images
2 'flatten' Keras Flatten Flatten activations into 1-D assuming C-style (row-major) order
3 'dense' Fully Connected 128 fully connected layer
4 'dense_relu' ReLU ReLU
5 'output_layer' Fully Connected 10 fully connected layer
6 'output_layer_softmax' Softmax softmax
7 'ClassificationLayer_output_layer' Classification Output crossentropyex with '0' and 9 other classes
---------------------------
Software version:
Deep Learning HDL Toolbox Support Package For Intel FPGA And SoC Devices 21.2.4
Matlab R2021b Update 6 (9.11.0.2207237)
Ubuntu 20.04
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Réponses (1)
Wang Chen
le 11 Avr 2023
Hi Ruben,
Is it possible for you to upgrade to R2022a or higher version of MATLAB?
This issue is fixed in R2022a, please see following bug report: https://www.mathworks.com/support/bugreports/2522278?s_tid=srchtitle_nnet.keras.layer.FlattenCStyleLayer_2
Alternatively, In R2021b, If your network is a SeriesNetwork type, the nnet.keras.layer.FlattenCStyleLayer is also suppored.
Thanks,
Wang
3 commentaires
Wang Chen
le 18 Avr 2023
Hi Ruben,
DAGNetworks is also supported by Deep Learning HDL Toolbox in general, but when a DAGNetwork contains "nnet.keras.layer.FlattenCStyleLayer" layer, please use R2022a or later version of the Deep Learning HDL Toolbox.
Thanks,
Wang
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