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This is small conv2d 1 layer applying a sigmoid activation function example. To run it: | ||
1. Run the run_catapult.sh script. | ||
2. Remove "#define USE_AC_MATH" in nnet_activation.h. | ||
3. Replace the sigmoid_test.cpp in the my-Catapult-test with the sigmoid_test.cpp a level up (if you would like the testbench to be self-checking). | ||
4. Move tb_input_features.dat and tb_output_predictions.dat to my-Catapult-test/tb_data (if you want two pre-computed examples). | ||
5. Compile: | ||
/wv/hlsb/CATAPULT/TOT/CURRENT/aol/Mgc_home/bin/g++ -g -std=c++11 -DSC_INCLUDE_DYNAMIC_PROCESSES -Wl,-rpath=/wv/hlsb/CATAPULT/TOT/CURRENT/aol/Mgc_home/lib,-rpath=/wv/hlsb/CATAPULT/TOT/CURRENT/aol/Mgc_home/shared/lib ./sigmoid_test.cpp ./firmware/sigmoid.cpp -I/wv/USER/venv/hls4ml/example-prjs/sigmoid/my-Catapult-test -I/wv/hlsb/CATAPULT/TOT/CURRENT/aol/Mgc_home/shared/include -L/wv/hlsb/CATAPULT/TOT/CURRENT/aol/Mgc_home/shared/lib -Wl,-Bstatic -lsystemc -Wl,-Bdynamic -lpthread -o /wv/USER/venv/hls4ml/example-prjs/sigmoid/my-Catapult-test/sigmoid | ||
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Note: You can create your own array and get the predictions by editing then running sigmoid.py. |
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import hls4ml | ||
# import pprint | ||
import yaml | ||
import numpy as np | ||
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print(hls4ml.__version__) | ||
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with open('config.yml', 'r') as ymlfile: | ||
config = yaml.safe_load(ymlfile) | ||
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# try tweaking the reuse_factor on one layer to get different pipelining | ||
# config['HLSConfig']['LayerName']['fc1']['ReuseFactor'] = 4 | ||
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print('NETWORK') | ||
print(config) | ||
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config['OutputDir'] = 'my-Catapult-test' | ||
config['Backend'] = 'Catapult' | ||
config['IOType'] = 'io_stream' | ||
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config['HLSConfig']['Model']['Strategy'] = 'Latency' | ||
#config['HLSConfig']['Model']['Strategy'] = 'Resource' | ||
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# default threshold is infinity | ||
config['HLSConfig']['Model']['BramFactor'] = np.inf | ||
# set to zero to force all weights onto (external function) interface | ||
config['HLSConfig']['Model']['BramFactor'] = 0 | ||
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print('CURRENT CONFIGURATION') | ||
print('Backend='+config['Backend']) | ||
print('IOType='+config['IOType']) | ||
print('BramFactor={bf}'.format(bf=config['HLSConfig']['Model']['BramFactor'])) | ||
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# pprint.pprint(config) | ||
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#Convert it to a hls project | ||
hls_model = hls4ml.converters.keras_to_hls(config) | ||
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hls_model.build(vsynth=False) | ||
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# URL for this info: https://fastmachinelearning.org/hls4ml/setup/QUICKSTART.html | ||
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Backend: Vivado | ||
KerasJson: sigmoid.json | ||
KerasH5: sigmoid_weights.h5 | ||
OutputDir: my-Catapult-test | ||
ProjectName: sigmoid | ||
XilinxPart: xcku115-flvb2104-2-i | ||
Part: xcku115-flvb2104-2-i | ||
ClockPeriod: 5 | ||
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IOType : io_parallel | ||
HLSConfig: | ||
Model: | ||
Precision: ap_fixed<16, 6> | ||
ReuseFactor: 1 | ||
Strategy: Latency |
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#! /bin/bash | ||
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# This script runs the Catapult flows to generate the HLS. | ||
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VENV=../../../../venv | ||
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MGC_HOME=/wv/hlsb/CATAPULT/TOT/CURRENT/aol/Mgc_home | ||
export MGC_HOME | ||
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export PATH=/wv/hlstools/python/python37/bin:$PATH:$XILINX_VIVADO/bin:$MGC_HOME/bin | ||
export LD_LIBRARY_PATH=/wv/hlstools/python/python37/lib:$XILINX_VIVADO/lib/lnx64.o:$MGC_HOME/lib | ||
export PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python | ||
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# needed for pytest | ||
export OSTYPE=linux-gnu | ||
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echo "Activating Virtual Environment..." | ||
# bash | ||
source $VENV/bin/activate | ||
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rm -rf ./my-Catapult-test* | ||
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# to run catapult+vivado_rtl | ||
sed -e 's/Vivado/Catapult/g' vivado.py >catapult.py | ||
# to only run catapult | ||
# sed -e 's/Vivado/Catapult/g' vivado.py | sed -e 's/vsynth=True/vsynth=False/g' >catapult.py | ||
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# actually run HLS4ML + Catapult (+ optional vivado RTL) | ||
python3 catapult.py | ||
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# run just the C++ execution | ||
echo "" | ||
echo "=====================================================" | ||
echo "=====================================================" | ||
echo "C++ EXECUTION" | ||
pushd my-Catapult-test; rm -f a.out; $MGC_HOME/bin/g++ -std=c++17 -I. -DWEIGHTS_DIR=\"firmware/weights\" -Ifirmware -I$MGC_HOME/shared/include firmware/sigmoid.cpp sigmoid_test.cpp; a.out; popd | ||
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# Using VSCode setup generated by Catapult | ||
echo "" | ||
echo "=====================================================" | ||
echo "=====================================================" | ||
echo "To launch VSCode on the C++ generated by hls4ml:" | ||
echo "setenv LD_LIBRARY_PATH $MGC_HOME/lib:$MGC_HOME/shared/lib" | ||
echo "pushd my-Catapult-test; /wv/hlstools/vscode/LATEST/code Catapult.code-workspace" |
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#! /bin/bash | ||
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# This script runs the Vivado flows to generate the HLS. | ||
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VENV=/wv/scratch-baimar9c/venv | ||
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MGC_HOME=/wv/hlsb/CATAPULT/TOT/CURRENT/aol/Mgc_home | ||
export MGC_HOME | ||
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export PATH=/wv/hlstools/python/python37/bin:$PATH:$XILINX_VIVADO/bin:$MGC_HOME/bin | ||
export LD_LIBRARY_PATH=/wv/hlstools/python/python37/lib:$XILINX_VIVADO/lib/lnx64.o:$MGC_HOME/lib | ||
export PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python | ||
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# needed for pytest | ||
export OSTYPE=linux-gnu | ||
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echo "Activating Virtual Environment..." | ||
# bash | ||
source $VENV/bin/activate | ||
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rm -rf ./my-Vivado-test* | ||
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mkdir -p tb_data | ||
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# to run catapult+vivado_rtl | ||
sed -e 's/Vivado/Catapult/g' vivado.py >catapult.py | ||
# to only run catapult | ||
# sed -e 's/Vivado/Catapult/g' vivado.py | sed -e 's/vsynth=True/vsynth=False/g' >catapult.py | ||
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# actually run HLS4ML + Vivado HLS | ||
python vivado.py | ||
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# run just the C++ execution | ||
echo "" | ||
echo "=====================================================" | ||
echo "=====================================================" | ||
echo "C++ EXECUTION" | ||
pushd my-Vivado-test; rm -f a.out; $MGC_HOME/bin/g++ -g -std=c++11 -I. -DWEIGHTS_DIR=\"firmware/weights\" -Ifirmware -Ifirmware/ap_types -I$MGC_HOME/shared/include firmware/sigmoid.cpp sigmoid_test.cpp; a.out; popd | ||
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{"class_name": "Sequential", "config": {"name": "sequential", "layers": [{"class_name": "InputLayer", "config": {"batch_input_shape": [null, 5, 5, 1], "dtype": "float32", "sparse": false, "ragged": false, "name": "conv2d_input"}}, {"class_name": "Conv2D", "config": {"name": "conv2d", "trainable": true, "dtype": "float32", "batch_input_shape": [null, 5, 5, 1], "filters": 1, "kernel_size": [3, 3], "strides": [1, 1], "padding": "valid", "data_format": "channels_last", "dilation_rate": [1, 1], "groups": 1, "activation": "sigmoid", "use_bias": true, "kernel_initializer": "random_kernel", "bias_initializer": {"class_name": "Zeros", "config": {}}, "kernel_regularizer": null, "bias_regularizer": null, "activity_regularizer": null, "kernel_constraint": null, "bias_constraint": null}}]}, "keras_version": "2.11.0", "backend": "tensorflow"} |
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import tensorflow as tf | ||
import numpy as np | ||
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# Sources: | ||
# https://www.geeksforgeeks.org/python-tensorflow-tf-keras-layers-conv2d-function/ | ||
# https://jiafulow.github.io/blog/2021/02/17/simple-fully-connected-nn-firmware-using-hls4ml/ | ||
# https://stackoverflow.com/questions/51930312/how-to-include-a-custom-filter-in-a-keras-based-cnn | ||
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# Create custom kernel | ||
# NOTE: This kernel is random and purely for testing small examples | ||
def random_kernel(shape=(3,3,1), dtype=None): | ||
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f = np.array([ | ||
[[[1]], [[-1]], [[1]]], | ||
[[[-1]], [[1]], [[-1]]], | ||
[[[1]], [[-1]], [[1]]] | ||
]) | ||
assert f.shape == shape | ||
return f | ||
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# Create model with one conv2d layer for small example | ||
def create_model(): | ||
# Create a model | ||
model = tf.keras.Sequential() | ||
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# First layer args.: | ||
# filters: Number of output filters. | ||
# kernel_size: Convolution window size width and height. | ||
# strides: Stride of the convolution. | ||
# padding: "same" adds padding if needed to ensure output dimensions are equal to input dimensions. "valid" means no padding. | ||
# activation: Non-linear functions (i.e. relu). | ||
# use_bias: Boolean or bias vectors. | ||
# dilation_rate: Dilation rate for dilated convolutions. | ||
# kernel_initializer: Default is glorot_uniform, meaning it initializes acrossed an uniform distribution. | ||
# bias_initializer: Initializer for bias vectors. | ||
# kernel_constraint: Constraint function for the kernel. | ||
# bias_constraint: Constraint function for the bias vectors. | ||
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# NOTE: Input size indicates a 5x5 pixel image (matrix) with one channel (i.e. just the red channel from RGB). | ||
# Image (matrix) size is equal to kernel size since this is a very small example. | ||
model.add(tf.keras.layers.Conv2D(1, 3, 1, padding="valid", activation="sigmoid", kernel_initializer=random_kernel, input_shape=(5, 5, 1))) | ||
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return model | ||
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# Save model to forms for hls4ml | ||
def save_model(model, name=None): | ||
# Save as model.h5, model_weights.h5, and model.json | ||
if name is None: | ||
name = model.name | ||
model.save(name + '.h5') | ||
model.save_weights(name + '_weights.h5') | ||
with open(name + '.json', 'w') as outfile: | ||
outfile.write(model.to_json()) | ||
return | ||
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if __name__ == '__main__': | ||
model = create_model() | ||
save_model(model, name='sigmoid') | ||
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# Image Matrix | ||
image_mat = np.array([ | ||
[ [1], [2], [3], [4], [5] ], | ||
[ [6], [7], [8], [9], [10] ], | ||
[ [11], [12], [13], [14], [15] ], | ||
[ [16], [17], [18], [19], [20] ], | ||
[ [21], [22], [23], [24], [25] ] | ||
]) | ||
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image_mat = image_mat.reshape((1, 5, 5, 1)) | ||
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# Get prediction | ||
prediction = model.predict(image_mat) | ||
print("Image Matrix\n") | ||
print(image_mat) | ||
print("Prediction\n") | ||
print(prediction) | ||
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image_mat2 = np.array([ | ||
[ [1], [2], [3], [4], [5] ], | ||
[ [5], [1], [2], [3], [4] ], | ||
[ [4], [5], [1], [2], [3] ], | ||
[ [3], [4], [5], [1], [2] ], | ||
[ [2], [3], [4], [5], [1] ] | ||
]) | ||
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image_mat2 = image_mat2.reshape((1, 5, 5, 1)) | ||
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# Get prediction | ||
prediction = model.predict(image_mat2) | ||
print("Image Matrix\n") | ||
print(image_mat2) | ||
print("Prediction\n") | ||
print(prediction) | ||
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image_mat3 = np.array([ | ||
[ [-1], [2], [-3], [4], [-5] ], | ||
[ [5], [-1], [2], [-3], [4] ], | ||
[ [-4], [5], [-1], [2], [-3] ], | ||
[ [3], [-4], [5], [-1], [2] ], | ||
[ [-2], [3], [-4], [5], [-1] ] | ||
]) | ||
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image_mat3 = image_mat3.reshape((1, 5, 5, 1)) | ||
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# Get prediction | ||
prediction = model.predict(image_mat3) | ||
print("Image Matrix\n") | ||
print(image_mat3) | ||
print("Prediction\n") | ||
print(prediction) | ||
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