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mindspore/model_zoo/official/cv/vgg16/eval.py

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# Copyright 2020 Huawei Technologies Co., Ltd
#
# Licensed 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.
# ============================================================================
"""Eval"""
import os
import time
import argparse
import datetime
import glob
import numpy as np
import mindspore.nn as nn
from mindspore import Tensor, context
from mindspore.nn.optim.momentum import Momentum
from mindspore.train.model import Model
from mindspore.train.serialization import load_checkpoint, load_param_into_net
from mindspore.ops import operations as P
from mindspore.ops import functional as F
from mindspore.common import dtype as mstype
from src.utils.logging import get_logger
from src.vgg import vgg16
from src.dataset import vgg_create_dataset
from src.dataset import classification_dataset
class ParameterReduce(nn.Cell):
"""ParameterReduce"""
def __init__(self):
super(ParameterReduce, self).__init__()
self.cast = P.Cast()
self.reduce = P.AllReduce()
def construct(self, x):
one = self.cast(F.scalar_to_array(1.0), mstype.float32)
out = x * one
ret = self.reduce(out)
return ret
def parse_args(cloud_args=None):
"""parse_args"""
parser = argparse.ArgumentParser('mindspore classification test')
parser.add_argument('--device_target', type=str, default='Ascend', choices=['Ascend', 'GPU'],
help='device where the code will be implemented. (Default: Ascend)')
# dataset related
parser.add_argument('--dataset', type=str, choices=["cifar10", "imagenet2012"], default="cifar10")
parser.add_argument('--data_path', type=str, default='', help='eval data dir')
parser.add_argument('--per_batch_size', default=32, type=int, help='batch size for per npu')
# network related
parser.add_argument('--graph_ckpt', type=int, default=1, help='graph ckpt or feed ckpt')
parser.add_argument('--pre_trained', default='', type=str, help='fully path of pretrained model to load. '
'If it is a direction, it will test all ckpt')
# logging related
parser.add_argument('--log_path', type=str, default='outputs/', help='path to save log')
parser.add_argument('--rank', type=int, default=0, help='local rank of distributed')
parser.add_argument('--group_size', type=int, default=1, help='world size of distributed')
args_opt = parser.parse_args()
args_opt = merge_args(args_opt, cloud_args)
if args_opt.dataset == "cifar10":
from src.config import cifar_cfg as cfg
else:
from src.config import imagenet_cfg as cfg
args_opt.image_size = cfg.image_size
args_opt.num_classes = cfg.num_classes
args_opt.per_batch_size = cfg.batch_size
args_opt.momentum = cfg.momentum
args_opt.weight_decay = cfg.weight_decay
args_opt.buffer_size = cfg.buffer_size
args_opt.pad_mode = cfg.pad_mode
args_opt.padding = cfg.padding
args_opt.has_bias = cfg.has_bias
args_opt.batch_norm = cfg.batch_norm
args_opt.initialize_mode = cfg.initialize_mode
args_opt.has_dropout = cfg.has_dropout
args_opt.image_size = list(map(int, args_opt.image_size.split(',')))
return args_opt
def get_top5_acc(top5_arg, gt_class):
sub_count = 0
for top5, gt in zip(top5_arg, gt_class):
if gt in top5:
sub_count += 1
return sub_count
def merge_args(args, cloud_args):
"""merge_args"""
args_dict = vars(args)
if isinstance(cloud_args, dict):
for key in cloud_args.keys():
val = cloud_args[key]
if key in args_dict and val:
arg_type = type(args_dict[key])
if arg_type is not type(None):
val = arg_type(val)
args_dict[key] = val
return args
def test(cloud_args=None):
"""test"""
args = parse_args(cloud_args)
context.set_context(mode=context.GRAPH_MODE, enable_auto_mixed_precision=True,
device_target=args.device_target, save_graphs=False)
if os.getenv('DEVICE_ID', "not_set").isdigit() and args.device_target == "Ascend":
context.set_context(device_id=int(os.getenv('DEVICE_ID')))
args.outputs_dir = os.path.join(args.log_path,
datetime.datetime.now().strftime('%Y-%m-%d_time_%H_%M_%S'))
args.logger = get_logger(args.outputs_dir, args.rank)
args.logger.save_args(args)
if args.dataset == "cifar10":
net = vgg16(num_classes=args.num_classes, args=args)
opt = Momentum(filter(lambda x: x.requires_grad, net.get_parameters()), 0.01, args.momentum,
weight_decay=args.weight_decay)
loss = nn.SoftmaxCrossEntropyWithLogits(sparse=True, reduction='mean')
model = Model(net, loss_fn=loss, optimizer=opt, metrics={'acc'})
param_dict = load_checkpoint(args.pre_trained)
load_param_into_net(net, param_dict)
net.set_train(False)
dataset = vgg_create_dataset(args.data_path, args.image_size, args.per_batch_size, training=False)
res = model.eval(dataset)
print("result: ", res)
else:
# network
args.logger.important_info('start create network')
if os.path.isdir(args.pre_trained):
models = list(glob.glob(os.path.join(args.pre_trained, '*.ckpt')))
print(models)
if args.graph_ckpt:
f = lambda x: -1 * int(os.path.splitext(os.path.split(x)[-1])[0].split('-')[-1].split('_')[0])
else:
f = lambda x: -1 * int(os.path.splitext(os.path.split(x)[-1])[0].split('_')[-1])
args.models = sorted(models, key=f)
else:
args.models = [args.pre_trained,]
for model in args.models:
dataset = classification_dataset(args.data_path, args.image_size, args.per_batch_size, mode='eval')
eval_dataloader = dataset.create_tuple_iterator(output_numpy=True, num_epochs=1)
network = vgg16(args.num_classes, args, phase="test")
# pre_trained
load_param_into_net(network, load_checkpoint(model))
network.add_flags_recursive(fp16=True)
img_tot = 0
top1_correct = 0
top5_correct = 0
network.set_train(False)
t_end = time.time()
it = 0
for data, gt_classes in eval_dataloader:
output = network(Tensor(data, mstype.float32))
output = output.asnumpy()
top1_output = np.argmax(output, (-1))
top5_output = np.argsort(output)[:, -5:]
t1_correct = np.equal(top1_output, gt_classes).sum()
top1_correct += t1_correct
top5_correct += get_top5_acc(top5_output, gt_classes)
img_tot += args.per_batch_size
if args.rank == 0 and it == 0:
t_end = time.time()
it = 1
if args.rank == 0:
time_used = time.time() - t_end
fps = (img_tot - args.per_batch_size) * args.group_size / time_used
args.logger.info('Inference Performance: {:.2f} img/sec'.format(fps))
results = [[top1_correct], [top5_correct], [img_tot]]
args.logger.info('before results={}'.format(results))
results = np.array(results)
args.logger.info('after results={}'.format(results))
top1_correct = results[0, 0]
top5_correct = results[1, 0]
img_tot = results[2, 0]
acc1 = 100.0 * top1_correct / img_tot
acc5 = 100.0 * top5_correct / img_tot
args.logger.info('after allreduce eval: top1_correct={}, tot={},'
'acc={:.2f}%(TOP1)'.format(top1_correct, img_tot, acc1))
args.logger.info('after allreduce eval: top5_correct={}, tot={},'
'acc={:.2f}%(TOP5)'.format(top5_correct, img_tot, acc5))
if __name__ == "__main__":
test()