def main():
startup_prog, eval_program, place, config, _ = program.preprocess()
feeded_var_names, target_vars, fetches_var_name = program.build_export(
config, eval_program, startup_prog)
eval_program = eval_program.clone(for_test=True)
exe = fluid.Executor(place)
exe.run(startup_prog)
if config['Global']['checkpoints'] is not None:
path = config['Global']['checkpoints']
else:
path = config['Global']['pretrain_weights']
load_model(exe, eval_program, path)
save_inference_dir = config['Global']['save_inference_dir']
if not os.path.exists(save_inference_dir):
os.makedirs(save_inference_dir)
fluid.io.save_inference_model(dirname=save_inference_dir,
feeded_var_names=feeded_var_names,
main_program=eval_program,
target_vars=target_vars,
executor=exe,
model_filename='model',
params_filename='params')
print("inference model saved in {}/model and {}/params".format(
save_inference_dir, save_inference_dir))
print("save success, output_name_list:", fetches_var_name)
def main():
startup_prog, eval_program, place, config, train_alg_type = program.preprocess()
eval_build_outputs = program.build(
config, eval_program, startup_prog, mode='test')
eval_fetch_name_list = eval_build_outputs[1]
eval_fetch_varname_list = eval_build_outputs[2]
eval_program = eval_program.clone(for_test=True)
exe = fluid.Executor(place)
exe.run(startup_prog)
init_model(config, eval_program, exe)
if train_alg_type == 'det':
eval_reader = reader_main(config=config, mode="eval")
eval_info_dict = {'program':eval_program,\
'reader':eval_reader,\
'fetch_name_list':eval_fetch_name_list,\
'fetch_varname_list':eval_fetch_varname_list}
metrics = eval_det_run(exe, config, eval_info_dict, "eval")
logger.info("Eval result: {}".format(metrics))
else:
reader_type = config['Global']['reader_yml']
if "benchmark" not in reader_type:
eval_reader = reader_main(config=config, mode="eval")
eval_info_dict = {'program': eval_program, \
'reader': eval_reader, \
'fetch_name_list': eval_fetch_name_list, \
'fetch_varname_list': eval_fetch_varname_list}
metrics = eval_rec_run(exe, config, eval_info_dict, "eval")
logger.info("Eval result: {}".format(metrics))
else:
eval_info_dict = {'program':eval_program,\
'fetch_name_list':eval_fetch_name_list,\
'fetch_varname_list':eval_fetch_varname_list}
test_rec_benchmark(exe, config, eval_info_dict)
def main():
# 1. quantization configs
quant_config = {
# weight quantize type, default is 'channel_wise_abs_max'
'weight_quantize_type': 'channel_wise_abs_max',
# activation quantize type, default is 'moving_average_abs_max'
'activation_quantize_type': 'moving_average_abs_max',
# weight quantize bit num, default is 8
'weight_bits': 8,
# activation quantize bit num, default is 8
'activation_bits': 8,
# ops of name_scope in not_quant_pattern list, will not be quantized
'not_quant_pattern': ['skip_quant'],
# ops of type in quantize_op_types, will be quantized
'quantize_op_types': ['conv2d', 'depthwise_conv2d', 'mul'],
# data type after quantization, such as 'uint8', 'int8', etc. default is 'int8'
'dtype': 'int8',
# window size for 'range_abs_max' quantization. defaulf is 10000
'window_size': 10000,
# The decay coefficient of moving average, default is 0.9
'moving_rate': 0.9,
}
startup_prog, eval_program, place, config, alg_type = program.preprocess()
feeded_var_names, target_vars, fetches_var_name = program.build_export(
config, eval_program, startup_prog)
eval_program = eval_program.clone(for_test=True)
exe = fluid.Executor(place)
exe.run(startup_prog)
eval_program = quant_aware(
eval_program, place, quant_config, scope=None, for_test=True)
init_model(config, eval_program, exe)
# 2. Convert the program before save inference program
# The dtype of eval_program's weights is float32, but in int8 range.
eval_program = convert(eval_program, place, quant_config, scope=None)
eval_fetch_name_list = fetches_var_name
eval_fetch_varname_list = [v.name for v in target_vars]
eval_reader = reader_main(config=config, mode="eval")
quant_info_dict = {'program':eval_program,\
'reader':eval_reader,\
'fetch_name_list':eval_fetch_name_list,\
'fetch_varname_list':eval_fetch_varname_list}
if alg_type == 'det':
final_metrics = eval_det_run(exe, config, quant_info_dict, "eval")
else:
final_metrics = eval_rec_run(exe, config, quant_info_dict, "eval")
print(final_metrics)
# 3. Save inference model
model_path = "./quant_model"
if not os.path.isdir(model_path):
os.makedirs(model_path)
fluid.io.save_inference_model(
dirname=model_path,
feeded_var_names=feeded_var_names,
target_vars=target_vars,
executor=exe,
main_program=eval_program,
model_filename=model_path + '/model',
params_filename=model_path + '/params')
print("model saved as {}".format(model_path))