eric-haibin-lin commented on a change in pull request #9552: [REQUEST FOR REVIEW | DO NOT MERGE] Model Quantization with Calibration URL: https://github.com/apache/incubator-mxnet/pull/9552#discussion_r166097853
########## File path: example/quantization/imagenet_gen_qsym.py ########## @@ -0,0 +1,192 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. + +import argparse +from common import modelzoo +import mxnet as mx +from mxnet.contrib.quantization import * + + +def download_calib_dataset(dataset_url, calib_dataset, logger=None): + if logger is not None: + logger.info('Downloading calibration dataset from %s to %s' % (dataset_url, calib_dataset)) + mx.test_utils.download(dataset_url, calib_dataset) + + +def download_model(model_name, logger=None): + dir_path = os.path.dirname(os.path.realpath(__file__)) + model_path = os.path.join(dir_path, 'model') + if logger is not None: + logger.info('Downloading model %s... into path %s' % (model_name, model_path)) + return modelzoo.download_model(args.model, os.path.join(dir_path, 'model')) + + +def save_symbol(fname, sym, logger=None): + if logger is not None: + logger.info('Saving symbol into file at %s' % fname) + sym.save(fname) + + +def save_params(fname, arg_params, aux_params, logger=None): + if logger is not None: + logger.info('Saving params into file at %s' % fname) + save_dict = {('arg:%s' % k): v.as_in_context(cpu()) for k, v in arg_params.items()} + save_dict.update({('aux:%s' % k): v.as_in_context(cpu()) for k, v in aux_params.items()}) + mx.nd.save(fname, save_dict) + + +if __name__ == '__main__': + parser = argparse.ArgumentParser(description='Generate a calibrated quantized model from a FP32 model') + parser.add_argument('--model', type=str, required=True, + help='currently only supports imagenet1k-resnet-152 or imagenet1k-inception-bn') Review comment: Consider using `choices` option for argparse: https://docs.python.org/2/library/argparse.html#choices ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
