Files
AMD-SHARK-Studio/shark/tflite_utils.py
Prashant Kumar b07377cbfd Refactor the shark_runner shark_inference to only support mlir_modules.
1. The shark_inference is divided into shark_importer and
   shark_inference.
2. All the tank/pytorch tests have been updated.
2022-06-28 18:46:18 +05:30

50 lines
1.7 KiB
Python

import tensorflow as tf
import numpy as np
class TFLiteModelUtil:
def __init__(self, raw_model_file):
self.raw_model_file = str(raw_model_file)
self.tflite_interpreter = None
self.input_details = None
self.output_details = None
self.inputs = []
def setup_tflite_interpreter(self):
self.tflite_interpreter = tf.lite.Interpreter(
model_path=self.raw_model_file
)
self.tflite_interpreter.allocate_tensors()
# default input initialization
return self.get_model_details()
def get_model_details(self):
print("Get tflite input output details")
self.input_details = self.tflite_interpreter.get_input_details()
self.output_details = self.tflite_interpreter.get_output_details()
return self.input_details, self.output_details
def invoke_tflite(self, inputs):
self.inputs = inputs
print("invoke_tflite")
for i, input in enumerate(self.inputs):
self.tflite_interpreter.set_tensor(
self.input_details[i]["index"], input
)
self.tflite_interpreter.invoke()
# post process tflite_result for compare with mlir_result,
# for tflite the output is a list of numpy.tensor
tflite_results = []
for output_detail in self.output_details:
tflite_results.append(
np.array(
self.tflite_interpreter.get_tensor(output_detail["index"])
)
)
for i in range(len(self.output_details)):
out_dtype = self.output_details[i]["dtype"]
tflite_results[i] = tflite_results[i].astype(out_dtype)
return tflite_results