dynamic_quantization.py
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#!/usr/bin/env python3
import argparse
import onnxruntime
from onnxruntime.quantization import QuantType, quantize_dynamic
def show(filename):
session_opts = onnxruntime.SessionOptions()
session_opts.log_severity_level = 3
sess = onnxruntime.InferenceSession(filename, session_opts)
for i in sess.get_inputs():
print(i)
print("-----")
for i in sess.get_outputs():
print(i)
"""
NodeArg(name='tokens', type='tensor(int64)', shape=[1, 'sequence_length'])
NodeArg(name='style', type='tensor(float)', shape=[1, 256])
NodeArg(name='speed', type='tensor(float)', shape=[1])
-----
NodeArg(name='audio', type='tensor(float)', shape=['audio_length'])
"""
def main():
show("./kokoro.onnx")
quantize_dynamic(
model_input="kokoro.onnx",
model_output="kokoro.int8.onnx",
# op_types_to_quantize=["MatMul"],
weight_type=QuantType.QUInt8,
)
if __name__ == "__main__":
main()