Export kokoro 1.0 int8 models (#2137)

scripts/kokoro/v1.0/dynamic_quantization.py

@@ -0,0 +1,42 @@
+#!/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()