def main():
args, args_text = _parse_args()
args.distributed = False
if 'WORLD_SIZE' in os.environ:
args.distributed = int(os.environ['WORLD_SIZE']) > 1
args.device = 'cuda:0'
args.world_size = 1
args.rank = 0 # global rank
if args.distributed:
args.device = 'cuda:%d' % args.local_rank
torch.cuda.set_device(args.local_rank)
torch.distributed.init_process_group(backend='nccl',
init_method='env://')
args.world_size = torch.distributed.get_world_size()
args.rank = torch.distributed.get_rank()
model_name = 'efficientdet_d0'
data_config = get_efficientdet_config(model_name)
train_anno_set = 'train2017'
train_annotation_path = os.path.join(args.data, 'annotations',
f'instances_{train_anno_set}.json')
train_image_dir = train_anno_set
dataset_train = CocoDetection(os.path.join(args.data, train_image_dir),
train_annotation_path, data_config)
print("Length of training dataset {}".format(len(dataset_train)))
loader_train = create_loader(
dataset_train,
input_size=args.input_size,
batch_size=args.batch_size,
is_training=True,
use_prefetcher=args.prefetcher,
#re_prob=args.reprob, # FIXME add back various augmentations
#re_mode=args.remode,
#re_count=args.recount,
#re_split=args.resplit,
#color_jitter=args.color_jitter,
#auto_augment=args.aa,
interpolation=args.train_interpolation,
#mean=data_config['mean'],
#std=data_config['std'],
num_workers=args.workers,
distributed=args.distributed,
#collate_fn=collate_fn,
pin_mem=args.pin_mem,
)
print("Iterations per epoch {}".format(
math.ceil(len(dataset_train) / (args.batch_size * args.world_size))))
data_time_m = AverageMeter()
end = time.time()
if args.local_rank == 0:
print("Starting to test...")
for batch_idx, (input, target) in enumerate(loader_train):
data_time_m.update(time.time() - end)
if args.local_rank == 0 and batch_idx % 20 == 0:
print("batch time till {} is {}".format(batch_idx,
data_time_m.avg))
end = time.time()
def validate(args):
# might as well try to validate something
args.pretrained = args.pretrained or not args.checkpoint
args.prefetcher = not args.no_prefetcher
args.redundant_bias = not args.no_redundant_bias
# create model
config = get_efficientdet_config(args.model)
config.redundant_bias = args.redundant_bias
model = EfficientDet(config)
if args.checkpoint:
load_checkpoint(model, args.checkpoint)
param_count = sum([m.numel() for m in model.parameters()])
print('Model %s created, param count: %d' % (args.model, param_count))
bench = DetBenchEval(model, config)
bench = bench.cuda()
if has_amp:
print('Using AMP mixed precision.')
bench = amp.initialize(bench, opt_level='O1')
else:
print('AMP not installed, running network in FP32.')
if args.num_gpu > 1:
bench = torch.nn.DataParallel(bench,
device_ids=list(range(args.num_gpu)))
if 'test' in args.anno:
annotation_path = os.path.join(args.data, 'annotations',
f'image_info_{args.anno}.json')
image_dir = 'test2017'
else:
annotation_path = os.path.join(args.data, 'annotations',
f'instances_{args.anno}.json')
image_dir = args.anno
dataset = CocoDetection(os.path.join(args.data, image_dir),
annotation_path)
loader = create_loader(dataset,
input_size=config.image_size,
batch_size=args.batch_size,
use_prefetcher=args.prefetcher,
interpolation=args.interpolation,
fill_color=args.fill_color,
num_workers=args.workers,
pin_mem=args.pin_mem)
img_ids = []
results = []
model.eval()
batch_time = AverageMeter()
end = time.time()
with torch.no_grad():
for i, (input, target) in enumerate(loader):
output = bench(input, target['scale'])
output = output.cpu()
sample_ids = target['img_id'].cpu()
for index, sample in enumerate(output):
image_id = int(sample_ids[index])
for det in sample:
score = float(det[4])
if score < .001: # stop when below this threshold, scores in descending order
break
coco_det = dict(image_id=image_id,
bbox=det[0:4].tolist(),
score=score,
category_id=int(det[5]))
img_ids.append(image_id)
results.append(coco_det)
# measure elapsed time
batch_time.update(time.time() - end)
end = time.time()
if i % args.log_freq == 0:
print(
'Test: [{0:>4d}/{1}] '
'Time: {batch_time.val:.3f}s ({batch_time.avg:.3f}s, {rate_avg:>7.2f}/s) '
.format(
i,
len(loader),
batch_time=batch_time,
rate_avg=input.size(0) / batch_time.avg,
))
json.dump(results, open(args.results, 'w'), indent=4)
if 'test' not in args.anno:
coco_results = dataset.coco.loadRes(args.results)
coco_eval = COCOeval(dataset.coco, coco_results, 'bbox')
coco_eval.params.imgIds = img_ids # score only ids we've used
coco_eval.evaluate()
coco_eval.accumulate()
coco_eval.summarize()
return results
def validate(args):
setup_default_logging()
def setthresh():
if args.checkpoint.split("/")[-1].split(
"_")[0] in getthresholds.keys():
return getthresholds[args.checkpoint.split("/")[-1].split("_")[0]]
else:
a = []
[a.append(args.threshold) for x in range(4)]
return a
threshs = setthresh()
print(threshs)
# might as well try to validate something
args.pretrained = args.pretrained or not args.checkpoint
args.prefetcher = not args.no_prefetcher
# create model
bench = create_model(
args.model,
bench_task='predict',
pretrained=args.pretrained,
redundant_bias=args.redundant_bias,
checkpoint_path=args.checkpoint,
checkpoint_ema=args.use_ema,
)
input_size = bench.config.image_size
param_count = sum([m.numel() for m in bench.parameters()])
print('Model %s created, param count: %d' % (args.model, param_count))
bench = bench.cuda()
if has_amp:
print('Using AMP mixed precision.')
bench = amp.initialize(bench, opt_level='O1')
else:
print('AMP not installed, running network in FP32.')
if args.num_gpu > 1:
bench = torch.nn.DataParallel(bench,
device_ids=list(range(args.num_gpu)))
if 'test' in args.anno:
annotation_path = os.path.join(args.data, 'annotations',
f'image_info_{args.anno}.json')
image_dir = args.anno
else:
annotation_path = os.path.join(args.data, 'annotations',
f'instances_{args.anno}.json')
image_dir = args.anno
print(os.path.join(args.data, image_dir), annotation_path)
dataset = CocoDetection(os.path.join(args.data, image_dir),
annotation_path)
loader = create_loader(dataset,
input_size=input_size,
batch_size=args.batch_size,
use_prefetcher=args.prefetcher,
interpolation=args.interpolation,
fill_color=args.fill_color,
num_workers=args.workers,
pin_mem=args.pin_mem,
mean=args.mean,
std=args.std)
if 'test' in args.anno:
threshold = float(args.threshold)
else:
threshold = .001
img_ids = []
results = []
writetofilearrtay = []
bench.eval()
batch_time = AverageMeter()
end = time.time()
with torch.no_grad():
for i, (input, target) in enumerate(loader):
output = bench(input, target['img_scale'], target['img_size'])
output = output.cpu()
# print(target['img_id'])
sample_ids = target['img_id'].cpu()
for index, sample in enumerate(output):
image_id = int(sample_ids[index])
for det in sample:
score = float(det[4])
if score < threshold: # stop when below this threshold, scores in descending order
coco_det = dict(image_id=image_id, category_id=-1)
img_ids.append(image_id)
results.append(coco_det)
break
coco_det = dict(image_id=image_id,
bbox=det[0:4].tolist(),
score=score,
category_id=int(det[5]),
sizes=target['img_size'].tolist()[0])
img_ids.append(image_id)
results.append(coco_det)
# measure elapsed time
batch_time.update(time.time() - end)
end = time.time()
if i % args.log_freq == 0:
print(
'Test: [{0:>4d}/{1}] '
'Time: {batch_time.val:.3f}s ({batch_time.avg:.3f}s, {rate_avg:>7.2f}/s) '
.format(
i,
len(loader),
batch_time=batch_time,
rate_avg=input.size(0) / batch_time.avg,
))
if 'test' in args.anno:
from itertools import groupby
results.sort(key=lambda x: x['image_id'])
f = open(
str(args.model) + "-" + str(args.anno) + "-" + str(min(threshs)) +
".txt", "w+")
# for item in tqdm(writetofilearrtay):
xxx = 0
for k, v in tqdm(groupby(results, key=lambda x: x['image_id'])):
xxx += 1
f.write(getimageNamefromid(k) +
",") #print(getimageNamefromid(k),", ")
for i in v:
if i['category_id'] > 0:
if (i['category_id'] ==1 and i['score'] >= threshs[0] ) or (i['category_id'] ==2 and i['score'] >= threshs[1] ) or \
(i['category_id'] ==3 and i['score'] >= threshs[2] ) or (i['category_id'] ==4 and i['score'] >= threshs[3] ) :
f.write(
str(round(i['category_id'])) + " " +
str(round(i['bbox'][0])) + " " +
str(round(i['bbox'][1])) + " " + str(
round(
float(i['bbox'][0]) +
float(i['bbox'][2]))) + " " + str(
round(
float(i['bbox'][1]) +
float(i['bbox'][3]))) + " ")
f.write('\n')
# print(i['category_id']," ",i['bbox'][0]," ",i['bbox'][1]," ",i['bbox'][2]," ",i['bbox'][3]," ")
print("generated lines:", xxx)
f.close()
# f.close()
if 'test' not in args.anno:
array_of_dm = []
array_of_gt = []
i = 0
# if 'test' in args.anno :
for _, item in tqdm(dataset):
# if item["img_id"] == "1000780" :
# print(item)
for i in range(len(item['cls'])):
# print(str(item["img_id"]),)
array_of_gt.append(
BoundingBox(imageName=str(item["img_id"]),
classId=item["cls"][i],
x=item["bbox"][i][1] * item['img_scale'],
y=item["bbox"][i][0] * item['img_scale'],
w=item["bbox"][i][3] * item['img_scale'],
h=item["bbox"][i][2] * item['img_scale'],
typeCoordinates=CoordinatesType.Absolute,
bbType=BBType.GroundTruth,
format=BBFormat.XYX2Y2,
imgSize=(item['img_size'][0],
item['img_size'][1])))
for item in tqdm(results):
if item["category_id"] >= 0:
array_of_dm.append(
BoundingBox(imageName=str(item["image_id"]),
classId=item["category_id"],
classConfidence=item["score"],
x=item['bbox'][0],
y=item['bbox'][1],
w=item['bbox'][2],
h=item['bbox'][3],
typeCoordinates=CoordinatesType.Absolute,
bbType=BBType.Detected,
format=BBFormat.XYWH,
imgSize=(item['sizes'][0], item['sizes'][1])))
myBoundingBoxes = BoundingBoxes()
# # # # Add all bounding boxes to the BoundingBoxes object:
for box in (array_of_gt):
myBoundingBoxes.addBoundingBox(box)
for dm in array_of_dm:
myBoundingBoxes.addBoundingBox(dm)
evaluator = Evaluator()
f1res = []
f1resd0 = []
f1resd10 = []
f1resd20 = []
f1resd40 = []
for conf in tqdm(range(210, 600, 1)):
metricsPerClass = evaluator.GetPascalVOCMetrics(
myBoundingBoxes, IOUThreshold=0.5, ConfThreshold=conf / 1000.0)
totalTP = 0
totalp = 0
totalFP = 0
tp = []
fp = []
ta = []
# print('-------')
for mc in metricsPerClass:
tp.append(mc['total TP'])
fp.append(mc['total FP'])
ta.append(mc['total positives'])
totalFP = totalFP + mc['total FP']
totalTP = totalTP + mc['total TP']
totalp = totalp + (mc['total positives'])
# print(totalTP," ",totalFP," ",totalp)
if totalTP + totalFP == 0:
p = -1
else:
p = totalTP / (totalTP + totalFP)
if totalp == 0:
r = -1
else:
r = totalTP / (totalp)
f1_dict = dict(tp=totalTP,
fp=totalFP,
totalp=totalp,
conf=conf / 1000.0,
prec=p,
rec=r,
f1score=(2 * p * r) / (p + r))
f1res.append(f1_dict)
#must clean these parts
f1resd0.append(
dict(tp=tp[0],
fp=fp[0],
totalp=ta[0],
conf=conf / 1000.0,
prec=tp[0] / (tp[0] + fp[0]),
rec=tp[0] / ta[0],
f1score=(2 * (tp[0] / (tp[0] + fp[0])) *
(tp[0] / ta[0])) / ((tp[0] / (tp[0] + fp[0])) +
(tp[0] / ta[0]))))
f1resd10.append(
dict(tp=tp[1],
fp=fp[1],
totalp=ta[1],
conf=conf / 1000.0,
prec=tp[1] / (tp[1] + fp[1]),
rec=tp[1] / ta[1],
f1score=(2 * (tp[1] / (tp[1] + fp[1])) *
(tp[1] / ta[1])) / ((tp[1] / (tp[1] + fp[1])) +
(tp[1] / ta[1]))))
f1resd20.append(
dict(tp=tp[2],
fp=fp[2],
totalp=ta[2],
conf=conf / 1000.0,
prec=tp[2] / (tp[2] + fp[2]),
rec=tp[2] / ta[2],
f1score=(2 * (tp[2] / (tp[2] + fp[2])) *
(tp[2] / ta[2])) / ((tp[2] / (tp[2] + fp[2])) +
(tp[2] / ta[2]))))
f1resd40.append(
dict(tp=tp[3],
fp=fp[3],
totalp=ta[3],
conf=conf / 1000.0,
prec=tp[3] / (tp[3] + fp[3]),
rec=tp[3] / ta[3],
f1score=(2 * (tp[3] / (tp[3] + fp[3])) *
(tp[3] / ta[3])) / ((tp[3] / (tp[3] + fp[3])) +
(tp[3] / ta[3]))))
sortedf1 = sorted(f1res, key=lambda k: k['f1score'], reverse=True)
f1resd0 = sorted(f1resd0, key=lambda k: k['f1score'], reverse=True)
f1resd10 = sorted(f1resd10, key=lambda k: k['f1score'], reverse=True)
f1resd20 = sorted(f1resd20, key=lambda k: k['f1score'], reverse=True)
f1resd40 = sorted(f1resd40, key=lambda k: k['f1score'], reverse=True)
print(sortedf1[0])
print("\n\n")
print(f1resd0[0])
print(f1resd10[0])
print(f1resd20[0])
print(f1resd40[0])
# sortedf1 = sorted(f1res, key=lambda k: k['f1score'],reverse=True)
# print(sortedf1[0:2])
# json.dump(results, open(args.results, 'w'), indent=4)
json.dump(results, open(args.results, 'w'), indent=4)
# coco_results = dataset.coco.loadRes(args.results)
# coco_eval = COCOeval(dataset.coco, coco_results, 'bbox')
# coco_eval.params.imgIds = img_ids # score only ids we've used
# coco_eval.evaluate()
# coco_eval.accumulate()
# coco_eval.summarize()
# print(coco_eval.eval['params'])
json.dump(results, open(args.results, 'w'), indent=4)
return results
def main():
setup_default_logging()
args, args_text = _parse_args()
args.prefetcher = not args.no_prefetcher
args.distributed = False
if 'WORLD_SIZE' in os.environ:
args.distributed = int(os.environ['WORLD_SIZE']) > 1
args.device = 'cuda:0'
args.world_size = 1
args.rank = 0 # global rank
if args.distributed:
args.device = 'cuda:%d' % args.local_rank
torch.cuda.set_device(args.local_rank)
torch.distributed.init_process_group(backend='nccl',
init_method='env://')
args.world_size = torch.distributed.get_world_size()
args.rank = torch.distributed.get_rank()
assert args.rank >= 0
if args.distributed:
logging.info(
'Training in distributed mode with multiple processes, 1 GPU per process. Process %d, total %d.'
% (args.rank, args.world_size))
else:
logging.info('Training with a single process on 1 GPU.')
#torch.manual_seed(args.seed + args.rank)
# create model
config = get_efficientdet_config(args.model)
config.redundant_bias = args.redundant_bias # redundant conv + BN bias layers (True to match official models)
model = EfficientDet(config)
if args.initial_checkpoint:
load_checkpoint(model, args.initial_checkpoint)
config.num_classes = 5
model.class_net.predict.conv_pw = create_conv2d(config.fpn_channels,
9 * 5,
1,
padding=config.pad_type,
bias=True)
variance_scaling(model.class_net.predict.conv_pw.weight)
model.class_net.predict.conv_pw.bias.data.fill_(-math.log((1 - 0.01) /
0.01))
model = DetBenchTrain(model, config)
model.cuda()
print(model.model.class_net.predict.conv_pw)
# FIXME create model factory, pretrained zoo
# model = create_model(
# args.model,
# pretrained=args.pretrained,
# num_classes=args.num_classes,
# drop_rate=args.drop,
# drop_connect_rate=args.drop_connect, # DEPRECATED, use drop_path
# drop_path_rate=args.drop_path,
# drop_block_rate=args.drop_block,
# global_pool=args.gp,
# bn_tf=args.bn_tf,
# bn_momentum=args.bn_momentum,
# bn_eps=args.bn_eps,
# checkpoint_path=args.initial_checkpoint)
if args.local_rank == 0:
logging.info('Model %s created, param count: %d' %
(args.model, sum([m.numel()
for m in model.parameters()])))
optimizer = create_optimizer(args, model)
use_amp = False
if has_apex and args.amp:
model, optimizer = amp.initialize(model, optimizer, opt_level='O1')
use_amp = True
if args.local_rank == 0:
logging.info('NVIDIA APEX {}. AMP {}.'.format(
'installed' if has_apex else 'not installed',
'on' if use_amp else 'off'))
# optionally resume from a checkpoint
resume_state = {}
resume_epoch = None
if args.resume:
resume_state, resume_epoch = resume_checkpoint(_unwrap_bench(model),
args.resume)
if resume_state and not args.no_resume_opt:
if 'optimizer' in resume_state:
if args.local_rank == 0:
logging.info('Restoring Optimizer state from checkpoint')
optimizer.load_state_dict(resume_state['optimizer'])
if use_amp and 'amp' in resume_state and 'load_state_dict' in amp.__dict__:
if args.local_rank == 0:
logging.info('Restoring NVIDIA AMP state from checkpoint')
amp.load_state_dict(resume_state['amp'])
del resume_state
model_ema = None
if args.model_ema:
# Important to create EMA model after cuda(), DP wrapper, and AMP but before SyncBN and DDP wrapper
model_ema = ModelEma(model,
decay=args.model_ema_decay,
device='cpu' if args.model_ema_force_cpu else '')
#resume=args.resume) # FIXME bit of a mess with bench
if args.resume:
load_checkpoint(_unwrap_bench(model_ema),
args.resume,
use_ema=True)
if args.distributed:
if args.sync_bn:
try:
if has_apex:
model = convert_syncbn_model(model)
else:
model = torch.nn.SyncBatchNorm.convert_sync_batchnorm(
model)
if args.local_rank == 0:
logging.info(
'Converted model to use Synchronized BatchNorm. WARNING: You may have issues if using '
'zero initialized BN layers (enabled by default for ResNets) while sync-bn enabled.'
)
except Exception as e:
logging.error(
'Failed to enable Synchronized BatchNorm. Install Apex or Torch >= 1.1'
)
if has_apex:
model = DDP(model, delay_allreduce=True)
else:
if args.local_rank == 0:
logging.info(
"Using torch DistributedDataParallel. Install NVIDIA Apex for Apex DDP."
)
model = DDP(model,
device_ids=[args.local_rank
]) # can use device str in Torch >= 1.1
# NOTE: EMA model does not need to be wrapped by DDP
lr_scheduler, num_epochs = create_scheduler(args, optimizer)
start_epoch = 0
if args.start_epoch is not None:
# a specified start_epoch will always override the resume epoch
start_epoch = args.start_epoch
elif resume_epoch is not None:
start_epoch = resume_epoch
if lr_scheduler is not None and start_epoch > 0:
lr_scheduler.step(start_epoch)
if args.local_rank == 0:
logging.info('Scheduled epochs: {}'.format(num_epochs))
train_anno_set = 'train_small'
train_annotation_path = os.path.join(args.data, 'annotations_small',
f'train_annotations.json')
train_image_dir = train_anno_set
dataset_train = CocoDetection(os.path.join(args.data, train_image_dir),
train_annotation_path)
# FIXME cutmix/mixup worth investigating?
# collate_fn = None
# if args.prefetcher and args.mixup > 0:
# collate_fn = FastCollateMixup(args.mixup, args.smoothing, args.num_classes)
loader_train = create_loader(
dataset_train,
input_size=config.image_size,
batch_size=args.batch_size,
is_training=True,
use_prefetcher=args.prefetcher,
#re_prob=args.reprob, # FIXME add back various augmentations
#re_mode=args.remode,
#re_count=args.recount,
#re_split=args.resplit,
#color_jitter=args.color_jitter,
#auto_augment=args.aa,
interpolation=args.train_interpolation,
#mean=data_config['mean'],
#std=data_config['std'],
num_workers=args.workers,
distributed=args.distributed,
#collate_fn=collate_fn,
pin_mem=args.pin_mem,
)
#train_anno_set = 'valid_small'
#train_annotation_path = os.path.join(args.data, 'annotations_small', f'valid_annotations.json')
#train_image_dir = train_anno_set
dataset_eval = CocoDetection(os.path.join(args.data, train_image_dir),
train_annotation_path)
loader_eval = create_loader(
dataset_eval,
input_size=config.image_size,
batch_size=args.validation_batch_size_multiplier * args.batch_size,
is_training=False,
use_prefetcher=args.prefetcher,
interpolation=args.interpolation,
#mean=data_config['mean'],
#std=data_config['std'],
num_workers=args.workers,
#distributed=args.distributed,
pin_mem=args.pin_mem,
)
evaluator = COCOEvaluator(dataset_eval.coco, distributed=args.distributed)
eval_metric = args.eval_metric
best_metric = None
best_epoch = None
saver = None
output_dir = ''
if args.local_rank == 0:
output_base = args.output if args.output else './output'
exp_name = '-'.join(
[datetime.now().strftime("%Y%m%d-%H%M%S"), args.model])
output_dir = get_outdir(output_base, 'train', exp_name)
decreasing = True if eval_metric == 'loss' else False
saver = CheckpointSaver(checkpoint_dir=output_dir,
decreasing=decreasing)
with open(os.path.join(output_dir, 'args.yaml'), 'w') as f:
f.write(args_text)
try:
for epoch in range(start_epoch, num_epochs):
if args.distributed:
loader_train.sampler.set_epoch(epoch)
train_metrics = train_epoch(epoch,
model,
loader_train,
optimizer,
args,
lr_scheduler=lr_scheduler,
saver=saver,
output_dir=output_dir,
use_amp=use_amp,
model_ema=model_ema)
if args.distributed and args.dist_bn in ('broadcast', 'reduce'):
if args.local_rank == 0:
logging.info(
"Distributing BatchNorm running means and vars")
distribute_bn(model, args.world_size, args.dist_bn == 'reduce')
eval_metrics = validate(model, loader_eval, args, evaluator)
if model_ema is not None and not args.model_ema_force_cpu:
if args.distributed and args.dist_bn in ('broadcast',
'reduce'):
distribute_bn(model_ema, args.world_size,
args.dist_bn == 'reduce')
ema_eval_metrics = validate(model_ema.ema,
loader_eval,
args,
log_suffix=' (EMA)')
eval_metrics = ema_eval_metrics
if lr_scheduler is not None:
# step LR for next epoch
lr_scheduler.step(epoch + 1, eval_metrics[eval_metric])
if saver is not None:
update_summary(epoch,
train_metrics,
eval_metrics,
os.path.join(output_dir, 'summary.csv'),
write_header=best_metric is None)
# save proper checkpoint with eval metric
save_metric = eval_metrics[eval_metric]
best_metric, best_epoch = saver.save_checkpoint(
_unwrap_bench(model),
optimizer,
args,
epoch=epoch,
model_ema=_unwrap_bench(model_ema),
metric=save_metric,
use_amp=use_amp)
except KeyboardInterrupt:
pass
if best_metric is not None:
logging.info('*** Best metric: {0} (epoch {1})'.format(
best_metric, best_epoch))
def validate(args):
setup_default_logging()
# might as well try to validate something
args.pretrained = args.pretrained or not args.checkpoint
args.prefetcher = not args.no_prefetcher
# create model
bench = create_model(args.model,
bench_task='predict',
pretrained=args.pretrained,
redundant_bias=args.redundant_bias,
checkpoint_path=args.checkpoint,
checkpoint_ema=args.use_ema)
input_size = bench.config.image_size
param_count = sum([m.numel() for m in bench.parameters()])
print('Model %s created, param count: %d' % (args.model, param_count))
bench = bench.cuda()
if has_amp:
print('Using AMP mixed precision.')
bench = amp.initialize(bench, opt_level='O1')
else:
print('AMP not installed, running network in FP32.')
if args.num_gpu > 1:
bench = torch.nn.DataParallel(bench,
device_ids=list(range(args.num_gpu)))
if 'test' in args.anno:
annotation_path = os.path.join(args.data, 'annotations',
f'image_info_{args.anno}.json')
image_dir = args.anno
else:
annotation_path = os.path.join(args.data, 'annotations',
f'instances_{args.anno}.json')
image_dir = args.anno
dataset = CocoDetection(os.path.join(args.data, image_dir),
annotation_path)
loader = create_loader(dataset,
input_size=input_size,
batch_size=args.batch_size,
use_prefetcher=args.prefetcher,
interpolation=args.interpolation,
fill_color=args.fill_color,
num_workers=args.workers,
mean=args.mean,
std=args.std,
pin_mem=args.pin_mem)
img_ids = []
results = []
bench.eval()
for i, (input, target) in enumerate(loader, 1):
dumm_inp = input
tisc = target['img_scale']
tisz = target['img_size']
break
starter, ender = torch.cuda.Event(enable_timing=True), torch.cuda.Event(
enable_timing=True)
# repetitions = 300
# timings=np.zeros((repetitions,1))
#GPU-WARM-UP
# print(enumerate())
for _ in range(10):
_ = bench(dumm_inp, tisc, tisz)
# MEASURE PERFORMANCE
# dummy_input = torch.randn(1, 3,bench.config.image_size,bench.config.image_size,dtype=torch.float).to("cuda")
print("starting")
batch_time = AverageMeter()
# end = time.time()
with torch.no_grad():
for _ in range(2000):
starter.record()
_ = bench(dumm_inp, tisc, tisz)
ender.record()
# measure elapsed time
torch.cuda.synchronize()
curr_time = starter.elapsed_time(ender)
batch_time.update(curr_time)
# print(curr_time)
# end = time.time()
# if i % args.log_freq == 0:
print(
'Test: [{0:>4d}/{1}] '
'Time: {batch_time.val:.3f}ms ({batch_time.avg:.3f}ms, {rate_avg:>7.2f}/s) '
.format(
i,
len(loader),
batch_time=batch_time,
rate_avg=dumm_inp.size(0) / batch_time.avg,
))
# json.dump(results, open(args.results, 'w'), indent=4)
# if 'test' not in args.anno:
# coco_results = dataset.coco.loadRes(args.results)
# coco_eval = COCOeval(dataset.coco, coco_results, 'bbox')
# coco_eval.params.imgIds = img_ids # score only ids we've used
# coco_eval.evaluate()
# coco_eval.accumulate()
# coco_eval.summarize()
return results
def main():
setup_default_logging()
args, args_text = _parse_args()
args.pretrained_backbone = not args.no_pretrained_backbone
args.prefetcher = not args.no_prefetcher
args.distributed = False
if 'WORLD_SIZE' in os.environ:
args.distributed = int(os.environ['WORLD_SIZE']) > 1
args.device = 'cuda:0'
args.world_size = 1
args.rank = 0 # global rank
if args.distributed:
args.device = 'cuda:%d' % args.local_rank
torch.cuda.set_device(args.local_rank)
torch.distributed.init_process_group(backend='nccl',
init_method='env://')
args.world_size = torch.distributed.get_world_size()
args.rank = torch.distributed.get_rank()
assert args.rank >= 0
if args.distributed:
logging.info(
'Training in distributed mode with multiple processes, 1 GPU per process. Process %d, total %d.'
% (args.rank, args.world_size))
else:
logging.info('Training with a single process on 1 GPU.')
torch.manual_seed(args.seed + args.rank)
model = create_model(
args.model,
bench_task='train',
pretrained=args.pretrained,
pretrained_backbone=args.pretrained_backbone,
redundant_bias=args.redundant_bias,
checkpoint_path=args.initial_checkpoint,
)
# FIXME decide which args to keep and overlay on config / pass to backbone
# num_classes=args.num_classes,
# drop_rate=args.drop,
# drop_path_rate=args.drop_path,
# drop_block_rate=args.drop_block,
input_size = model.config.image_size
if args.local_rank == 0:
logging.info('Model %s created, param count: %d' %
(args.model, sum([m.numel()
for m in model.parameters()])))
model.cuda()
optimizer = create_optimizer(args, model)
use_amp = False
if has_apex and args.amp:
model, optimizer = amp.initialize(model, optimizer, opt_level='O1')
use_amp = True
if args.local_rank == 0:
logging.info('NVIDIA APEX {}. AMP {}.'.format(
'installed' if has_apex else 'not installed',
'on' if use_amp else 'off'))
# optionally resume from a checkpoint
resume_state = {}
resume_epoch = None
if args.resume:
resume_state, resume_epoch = resume_checkpoint(unwrap_bench(model),
args.resume)
if resume_state and not args.no_resume_opt:
if 'optimizer' in resume_state:
if args.local_rank == 0:
logging.info('Restoring Optimizer state from checkpoint')
optimizer.load_state_dict(resume_state['optimizer'])
if use_amp and 'amp' in resume_state and 'load_state_dict' in amp.__dict__:
if args.local_rank == 0:
logging.info('Restoring NVIDIA AMP state from checkpoint')
amp.load_state_dict(resume_state['amp'])
del resume_state
model_ema = None
if args.model_ema:
# Important to create EMA model after cuda(), DP wrapper, and AMP but before SyncBN and DDP wrapper
model_ema = ModelEma(model, decay=args.model_ema_decay)
#resume=args.resume) # FIXME bit of a mess with bench
if args.resume:
load_checkpoint(unwrap_bench(model_ema), args.resume, use_ema=True)
if args.distributed:
if args.sync_bn:
try:
if has_apex:
model = convert_syncbn_model(model)
else:
model = torch.nn.SyncBatchNorm.convert_sync_batchnorm(
model)
if args.local_rank == 0:
logging.info(
'Converted model to use Synchronized BatchNorm. WARNING: You may have issues if using '
'zero initialized BN layers (enabled by default for ResNets) while sync-bn enabled.'
)
except Exception as e:
logging.error(
'Failed to enable Synchronized BatchNorm. Install Apex or Torch >= 1.1'
)
if has_apex:
model = DDP(model, delay_allreduce=True)
else:
if args.local_rank == 0:
logging.info(
"Using torch DistributedDataParallel. Install NVIDIA Apex for Apex DDP."
)
model = DDP(model,
device_ids=[args.local_rank
]) # can use device str in Torch >= 1.1
# NOTE: EMA model does not need to be wrapped by DDP
lr_scheduler, num_epochs = create_scheduler(args, optimizer)
start_epoch = 0
if args.start_epoch is not None:
# a specified start_epoch will always override the resume epoch
start_epoch = args.start_epoch
elif resume_epoch is not None:
start_epoch = resume_epoch
if lr_scheduler is not None and start_epoch > 0:
lr_scheduler.step(start_epoch)
if args.local_rank == 0:
logging.info('Scheduled epochs: {}'.format(num_epochs))
# train_anno_set = 'train2017'
# train_annotation_path = os.path.join(args.data, 'annotations', f'instances_{train_anno_set}.json')
# train_image_dir = train_anno_set
#dataset_train = CocoDetection("/workspace/data/images",
# "/workspace/data/datatrain90n.json")
train_anno_set = 'train'
train_annotation_path = os.path.join(args.data, 'annotations',
f'instances_{train_anno_set}.json')
train_image_dir = train_anno_set
dataset_train = CocoDetection(os.path.join(args.data, train_image_dir),
train_annotation_path)
# FIXME cutmix/mixup worth investigating?
# collate_fn = None
# if args.prefetcher and args.mixup > 0:
# collate_fn = FastCollateMixup(args.mixup, args.smoothing, args.num_classes)
loader_train = create_loader(
dataset_train,
input_size=input_size,
batch_size=args.batch_size,
is_training=True,
use_prefetcher=args.prefetcher,
#re_prob=args.reprob, # FIXME add back various augmentations
#re_mode=args.remode,
#re_count=args.recount,
#re_split=args.resplit,
#color_jitter=args.color_jitter,
#auto_augment=args.aa,
interpolation=args.train_interpolation,
mean=[0.4533, 0.4744,
0.4722], #[0.4846, 0.5079, 0.5005],#[0.485, 0.456, 0.406],
std=[0.2823, 0.2890,
0.3084], #[0.2687, 0.2705, 0.2869],#[0.485, 0.456, 0.406],
num_workers=args.workers,
distributed=args.distributed,
#collate_fn=collate_fn,
pin_mem=args.pin_mem,
)
train_anno_set = 'val'
train_annotation_path = os.path.join(args.data, 'annotations',
f'instances_{train_anno_set}.json')
train_image_dir = train_anno_set
dataset_eval = CocoDetection(os.path.join(args.data, train_image_dir),
train_annotation_path)
# train_anno_set = 'val'
# train_annotation_path = os.path.join(args.data, 'annotations', f'instances_{train_anno_set}.json')
# train_image_dir = train_anno_set
# dataset_eval = CocoDetection("/workspace/data/val/images",
# "/workspace/data/dataval90n.json")
loader_eval = create_loader(
dataset_eval,
input_size=input_size,
batch_size=args.validation_batch_size_multiplier * args.batch_size,
is_training=False,
use_prefetcher=args.prefetcher,
interpolation=args.interpolation,
mean=[0.4535, 0.4744, 0.4724], #[0.4851, 0.5083, 0.5009],
std=[0.2835, 0.2903, 0.3098], #[0.2690, 0.2709, 0.2877],
num_workers=args.workers,
#distributed=args.distributed,
pin_mem=args.pin_mem,
)
# for xx,item in dataset_train :
# print("out",type(xx))
# break
# exit()
array_of_gt = []
if args.local_rank == 0:
for _, item in tqdm(dataset_eval):
# print(item)
for i in range(len(item['cls'])):
array_of_gt.append(
BoundingBox(imageName=str(item["img_id"]),
classId=item["cls"][i],
x=item["bbox"][i][1] * item['img_scale'],
y=item["bbox"][i][0] * item['img_scale'],
w=item["bbox"][i][3] * item['img_scale'],
h=item["bbox"][i][2] * item['img_scale'],
typeCoordinates=CoordinatesType.Absolute,
bbType=BBType.GroundTruth,
format=BBFormat.XYX2Y2,
imgSize=(item['img_size'][0],
item['img_size'][1])))
evaluator = COCOEvaluator(dataset_eval.coco,
distributed=args.distributed,
gtboxes=array_of_gt)
eval_metric = args.eval_metric
best_metric = None
best_epoch = None
saver = None
output_dir = ''
if args.local_rank == 0:
output_base = args.output if args.output else './output'
exp_name = '-'.join(
[datetime.now().strftime("%Y%m%d-%H%M%S"), args.model])
output_dir = get_outdir(output_base, 'train', exp_name)
decreasing = True if eval_metric == 'loss' else False
saver = CheckpointSaver(checkpoint_dir=output_dir,
decreasing=decreasing)
with open(os.path.join(output_dir, 'args.yaml'), 'w') as f:
f.write(args_text)
# print(model)
try:
for epoch in range(start_epoch, num_epochs):
if args.distributed:
loader_train.sampler.set_epoch(epoch)
train_metrics = train_epoch(epoch,
model,
loader_train,
optimizer,
args,
lr_scheduler=lr_scheduler,
saver=saver,
output_dir=output_dir,
use_amp=use_amp,
model_ema=model_ema)
if args.distributed and args.dist_bn in ('broadcast', 'reduce'):
if args.local_rank == 0:
logging.info(
"Distributing BatchNorm running means and vars")
distribute_bn(model, args.world_size, args.dist_bn == 'reduce')
# the overhead of evaluating with coco style datasets is fairly high, so just ema or non, not both
if model_ema is not None:
if args.distributed and args.dist_bn in ('broadcast',
'reduce'):
distribute_bn(model_ema, args.world_size,
args.dist_bn == 'reduce')
eval_metrics = validate(model_ema.ema,
loader_eval,
args,
evaluator,
log_suffix=' (EMA)')
else:
eval_metrics = validate(model, loader_eval, args, evaluator)
if lr_scheduler is not None:
# step LR for next epoch
lr_scheduler.step(epoch + 1, eval_metrics[eval_metric])
if saver is not None:
update_summary(epoch,
train_metrics,
eval_metrics,
os.path.join(output_dir, 'summary.csv'),
write_header=best_metric is None)
# save proper checkpoint with eval metric
save_metric = eval_metrics[eval_metric]
best_metric, best_epoch = saver.save_checkpoint(
unwrap_bench(model),
optimizer,
args,
epoch=epoch,
model_ema=unwrap_bench(model_ema),
metric=save_metric,
use_amp=use_amp)
except KeyboardInterrupt:
pass
if best_metric is not None:
logging.info('*** Best metric: {0} (epoch {1})'.format(
best_metric, best_epoch))
def eval_model(model_name, paper_model_name, paper_arxiv_id, batch_size=64, model_description=''):
# create model
bench = create_model(
model_name,
bench_task='predict',
pretrained=True,
)
bench.eval()
input_size = bench.config.image_size
param_count = sum([m.numel() for m in bench.parameters()])
print('Model %s created, param count: %d' % (model_name, param_count))
bench = bench.cuda()
if has_amp:
print('Using AMP mixed precision.')
bench = amp.initialize(bench, opt_level='O1')
else:
print('AMP not installed, running network in FP32.')
annotation_path = os.path.join(DATA_ROOT, 'annotations', f'instances_{ANNO_SET}.json')
evaluator = COCOEvaluator(
root=DATA_ROOT,
model_name=paper_model_name,
model_description=model_description,
paper_arxiv_id=paper_arxiv_id)
dataset = CocoDetection(os.path.join(DATA_ROOT, ANNO_SET), annotation_path)
loader = create_loader(
dataset,
input_size=input_size,
batch_size=batch_size,
use_prefetcher=True,
fill_color='mean',
num_workers=4,
pin_mem=True)
iterator = tqdm.tqdm(loader, desc="Evaluation", mininterval=5)
evaluator.reset_time()
with torch.no_grad():
for i, (input, target) in enumerate(iterator):
output = bench(input, target['img_scale'], target['img_size'])
output = output.cpu()
sample_ids = target['img_id'].cpu()
results = []
for index, sample in enumerate(output):
image_id = int(sample_ids[index])
for det in sample:
score = float(det[4])
if score < .001: # stop when below this threshold, scores in descending order
break
coco_det = dict(
image_id=image_id,
bbox=det[0:4].tolist(),
score=score,
category_id=int(det[5]))
results.append(coco_det)
evaluator.add(results)
if evaluator.cache_exists:
break
evaluator.save()
def validate(args):
setup_dllogger(0, filename=args.dllogger_file)
if args.checkpoint != '':
args.pretrained = True
args.prefetcher = not args.no_prefetcher
if args.waymo:
assert args.waymo_val is not None
memory_format = (torch.channels_last if args.memory_format == "nhwc" else
torch.contiguous_format)
args.distributed = False
if 'WORLD_SIZE' in os.environ:
args.distributed = int(os.environ['WORLD_SIZE']) > 1
args.device = 'cuda:0'
args.world_size = 1
args.rank = 0 # global rank
if args.distributed:
torch.cuda.manual_seed_all(args.seed)
args.device = 'cuda:%d' % args.local_rank
torch.cuda.set_device(args.local_rank)
torch.distributed.init_process_group(backend='nccl',
init_method='env://')
args.world_size = torch.distributed.get_world_size()
args.rank = torch.distributed.get_rank()
# Set device limit on the current device
# cudaLimitMaxL2FetchGranularity = 0x05
pValue = ctypes.cast((ctypes.c_int * 1)(),
ctypes.POINTER(ctypes.c_int))
_libcudart.cudaDeviceSetLimit(ctypes.c_int(0x05), ctypes.c_int(128))
_libcudart.cudaDeviceGetLimit(pValue, ctypes.c_int(0x05))
assert pValue.contents.value == 128
assert args.rank >= 0
# create model
bench = create_model(args.model,
input_size=args.input_size,
num_classes=args.num_classes,
bench_task='predict',
pretrained=args.pretrained,
redundant_bias=args.redundant_bias,
checkpoint_path=args.checkpoint,
checkpoint_ema=args.use_ema,
soft_nms=args.use_soft_nms,
strict_load=False)
input_size = bench.config.image_size
data_config = bench.config
param_count = sum([m.numel() for m in bench.parameters()])
print('Model %s created, param count: %d' % (args.model, param_count))
bench = bench.cuda().to(memory_format=memory_format)
if args.distributed > 1:
raise ValueError(
"Evaluation is supported only on single GPU. args.num_gpu must be 1"
)
bench = DDP(
bench, device_ids=[args.device]
) # torch.nn.DataParallel(bench, device_ids=list(range(args.num_gpu)))
if args.waymo:
annotation_path = args.waymo_val_annotation
image_dir = args.waymo_val
else:
if 'test' in args.anno:
annotation_path = os.path.join(args.data, 'annotations',
f'image_info_{args.anno}.json')
image_dir = 'test2017'
else:
annotation_path = os.path.join(args.data, 'annotations',
f'instances_{args.anno}.json')
image_dir = args.anno
dataset = CocoDetection(os.path.join(args.data, image_dir),
annotation_path, data_config)
evaluator = COCOEvaluator(dataset.coco,
distributed=args.distributed,
waymo=args.waymo)
loader = create_loader(dataset,
input_size=input_size,
batch_size=args.batch_size,
use_prefetcher=args.prefetcher,
interpolation=args.interpolation,
fill_color=args.fill_color,
num_workers=args.workers,
distributed=args.distributed,
pin_mem=args.pin_mem,
memory_format=memory_format)
img_ids = []
results = []
dllogger_metric = {}
bench.eval()
batch_time = AverageMeter()
throughput = AverageMeter()
end = time.time()
total_time_start = time.time()
with torch.no_grad():
for i, (input, target) in enumerate(loader):
with torch.cuda.amp.autocast(enabled=args.amp):
output = bench(input, target['img_scale'], target['img_size'])
batch_time.update(time.time() - end)
throughput.update(input.size(0) / batch_time.val)
evaluator.add_predictions(output, target)
torch.cuda.synchronize()
# measure elapsed time
if i == 9:
batch_time.reset()
throughput.reset()
if args.rank == 0 and i % args.log_freq == 0:
print(
'Test: [{0:>4d}/{1}] '
'Time: {batch_time.val:.3f}s ({batch_time.avg:.3f}s, {rate_avg:>7.2f}/s) '
.format(
i,
len(loader),
batch_time=batch_time,
rate_avg=input.size(0) / batch_time.avg,
))
end = time.time()
dllogger_metric['total_inference_time'] = time.time() - total_time_start
dllogger_metric['inference_throughput'] = throughput.avg
dllogger_metric['inference_time'] = 1000 / throughput.avg
total_time_start = time.time()
mean_ap = 0.
if not args.inference:
if 'test' not in args.anno:
mean_ap = evaluator.evaluate()
else:
evaluator.save_predictions(args.results)
dllogger_metric['map'] = mean_ap
dllogger_metric['total_eval_time'] = time.time() - total_time_start
else:
evaluator.save_predictions(args.results)
if not args.distributed or args.rank == 0:
dllogger.log(step=(), data=dllogger_metric, verbosity=0)
return results
def validate(args):
setup_default_logging()
def setthresh():
if args.checkpoint.split("/")[-1].split(
"_")[0] in getthresholds.keys():
return getthresholds[args.checkpoint.split("/")[-1].split("_")[0]]
else:
a = []
[a.append(args.threshold) for x in range(4)]
return a
# might as well try to validate something
args.pretrained = args.pretrained or not args.checkpoint
args.prefetcher = not args.no_prefetcher
# create model
bench = create_model(
args.model,
bench_task='predict',
pretrained=args.pretrained,
redundant_bias=args.redundant_bias,
checkpoint_path=args.checkpoint,
checkpoint_ema=args.use_ema,
)
input_size = bench.config.image_size
param_count = sum([m.numel() for m in bench.parameters()])
print('Model %s created, param count: %d' % (args.model, param_count))
bench = bench.cuda()
if has_amp:
print('Using AMP mixed precision.')
bench = amp.initialize(bench, opt_level='O1')
else:
print('AMP not installed, running network in FP32.')
if args.num_gpu > 1:
bench = torch.nn.DataParallel(bench,
device_ids=list(range(args.num_gpu)))
if 'test' in args.anno:
annotation_path = os.path.join(args.data, 'annotations',
f'image_info_{args.anno}.json')
image_dir = args.anno
elif 'val' in args.anno:
annotation_path = os.path.join(args.data, 'annotations',
f'instances_{args.anno}.json')
image_dir = args.anno
# else:
# annotation_path = os.path.join(args.data, f'{args.anno}.json')
# image_dir = args.anno
print(os.path.join(args.data, image_dir), annotation_path)
dataset = CocoDetection(os.path.join(args.data, image_dir),
annotation_path)
loader = create_loader(dataset,
input_size=input_size,
batch_size=args.batch_size,
use_prefetcher=args.prefetcher,
interpolation=args.interpolation,
fill_color=args.fill_color,
num_workers=args.workers,
pin_mem=args.pin_mem,
mean=args.mean,
std=args.std)
if 'test' in args.anno:
threshold = float(args.threshold)
# elif 'detector' in args.anno:
# threshold = min(getthresholds['d0'])
else:
threshold = .001
img_ids = []
results = []
writetofilearrtay = []
bench.eval()
batch_time = AverageMeter()
end = time.time()
with torch.no_grad():
for i, (input, target) in enumerate(loader):
output = bench(input, target['img_scale'], target['img_size'])
output = output.cpu()
# print(target['img_id'])
sample_ids = target['img_id'].cpu()
for index, sample in enumerate(output):
image_id = int(sample_ids[index])
# if 'test' in args.anno :
# tempWritetoFile = []
# tempWritetoFile.append(getimageNamefromid(image_id))
for det in sample:
score = float(det[4])
if score < threshold: # stop when below this threshold, scores in descending order
coco_det = dict(image_id=image_id, category_id=-1)
img_ids.append(image_id)
results.append(coco_det)
break
coco_det = dict(image_id=image_id,
bbox=det[0:4].tolist(),
score=score,
category_id=int(det[5]),
sizes=target['img_size'].tolist()[0])
img_ids.append(image_id)
results.append(coco_det)
# exit()
# measure elapsed time
batch_time.update(time.time() - end)
end = time.time()
if i % args.log_freq == 0:
print(
'Test: [{0:>4d}/{1}] '
'Time: {batch_time.val:.3f}s ({batch_time.avg:.3f}s, {rate_avg:>7.2f}/s) '
.format(
i,
len(loader),
batch_time=batch_time,
rate_avg=input.size(0) / batch_time.avg,
))
# if 'test' in args.anno :
if not os.path.exists(args.tosave):
os.makedirs(args.tosave)
from itertools import groupby
results.sort(key=lambda x: x['image_id'])
count = 0
for k, v in tqdm(groupby(results, key=lambda x: x['image_id'])):
# print(args.data +"/" + str(getimageNamefromid(k)))
img = drawonimage(
os.path.join(args.data, image_dir, str(getimageNamefromid(k))), v,
setthresh())
cv2.imwrite(args.tosave + "/" + str(getimageNamefromid(k)), img)
count += 1
# print(i['category_id']," ",i['bbox'][0]," ",i['bbox'][1]," ",i['bbox'][2]," ",i['bbox'][3]," ")
print("generated predictions for ", count, " images.")
return results
def validate(args):
# might as well try to validate something
args.pretrained = args.pretrained or not args.checkpoint
args.prefetcher = not args.no_prefetcher
# create model
config = get_efficientdet_config(args.model)
model = EfficientDet(config)
if args.checkpoint:
load_checkpoint(model, args.checkpoint)
param_count = sum([m.numel() for m in model.parameters()])
logging.info('Model %s created, param count: %d' %
(args.model, param_count))
bench = DetBenchEval(model, config)
bench.model = bench.model.cuda()
if has_amp:
bench.model = amp.initialize(bench.model, opt_level='O1')
if args.num_gpu > 1:
bench.model = torch.nn.DataParallel(bench.model,
device_ids=list(range(
args.num_gpu)))
if 'test' in args.anno:
annotation_path = os.path.join(args.data, 'annotations',
f'image_info_{args.anno}.json')
image_dir = 'test2017'
else:
annotation_path = os.path.join(args.data, 'annotations',
f'instances_{args.anno}.json')
image_dir = args.anno
dataset = CocoDetection(os.path.join(args.data, image_dir),
annotation_path)
loader = create_loader(dataset,
input_size=config.image_size,
batch_size=args.batch_size,
use_prefetcher=args.prefetcher,
interpolation=args.interpolation,
num_workers=args.workers)
img_ids = []
results = []
model.eval()
batch_time = AverageMeter()
end = time.time()
with torch.no_grad():
for i, (input, target) in enumerate(loader):
output = bench(input, target['img_id'], target['scale'])
for batch_out in output:
for det in batch_out:
image_id = int(det[0])
score = float(det[5])
coco_det = {
'image_id': image_id,
'bbox': det[1:5].tolist(),
'score': score,
'category_id': int(det[6]),
}
img_ids.append(image_id)
results.append(coco_det)
# measure elapsed time
batch_time.update(time.time() - end)
end = time.time()
if i % args.log_freq == 0:
print(
'Test: [{0:>4d}/{1}] '
'Time: {batch_time.val:.3f}s ({batch_time.avg:.3f}s, {rate_avg:>7.2f}/s) '
.format(
i,
len(loader),
batch_time=batch_time,
rate_avg=input.size(0) / batch_time.avg,
))
json.dump(results, open(args.results, 'w'), indent=4)
if 'test' not in args.anno:
coco_results = dataset.coco.loadRes(args.results)
coco_eval = COCOeval(dataset.coco, coco_results, 'bbox')
coco_eval.params.imgIds = img_ids # score only ids we've used
coco_eval.evaluate()
coco_eval.accumulate()
coco_eval.summarize()
return results
def main():
setup_default_logging() ## TODO(sugh) replace
args, args_text = _parse_args()
set_affinity(args.local_rank)
random.seed(args.seed)
torch.manual_seed(args.seed)
np.random.seed(args.seed)
args.prefetcher = not args.no_prefetcher
args.distributed = False
if 'WORLD_SIZE' in os.environ:
args.distributed = int(os.environ['WORLD_SIZE']) > 1
args.device = 'cuda:0'
args.world_size = 1
args.rank = 0 # global rank
if args.distributed:
torch.cuda.manual_seed_all(args.seed)
args.device = 'cuda:%d' % args.local_rank
torch.cuda.set_device(args.local_rank)
torch.distributed.init_process_group(backend='nccl', init_method='env://')
args.world_size = torch.distributed.get_world_size()
args.rank = torch.distributed.get_rank()
# Set device limit on the current device
# cudaLimitMaxL2FetchGranularity = 0x05
pValue = ctypes.cast((ctypes.c_int*1)(), ctypes.POINTER(ctypes.c_int))
_libcudart.cudaDeviceSetLimit(ctypes.c_int(0x05), ctypes.c_int(128))
_libcudart.cudaDeviceGetLimit(pValue, ctypes.c_int(0x05))
assert pValue.contents.value == 128
assert args.rank >= 0
setup_dllogger(args.rank, filename=args.dllogger_file)
if args.distributed:
logging.info('Training in distributed mode with multiple processes, 1 GPU per process. Process %d, total %d.'
% (args.rank, args.world_size))
else:
logging.info('Training with a single process on 1 GPU.')
if args.waymo:
if (args.waymo_train is not None and args.waymo_val is None) or (args.waymo_train is None and args.waymo_val is not None):
raise Exception("waymo_train or waymo_val is not set")
memory_format = (
torch.channels_last if args.memory_format == "nhwc" else torch.contiguous_format
)
model = create_model(
args.model,
input_size=args.input_size,
num_classes=args.num_classes,
bench_task='train',
pretrained=args.pretrained,
pretrained_backbone_path=args.pretrained_backbone_path,
redundant_bias=args.redundant_bias,
checkpoint_path=args.initial_checkpoint,
label_smoothing=args.smoothing,
fused_focal_loss=args.fused_focal_loss,
remove_params=args.remove_weights,
freeze_layers=args.freeze_layers,
strict_load=False
)
# FIXME decide which args to keep and overlay on config / pass to backbone
# num_classes=args.num_classes,
input_size = model.config.image_size
data_config = model.config
print("Input size to be passed to dataloaders: {}".format(input_size))
print("Image size used in model: {}".format(model.config.image_size))
if args.rank == 0:
dllogger.log(step='PARAMETER', data={'model_name':args.model, 'param_count': sum([m.numel() for m in model.parameters()])})
model = model.cuda().to(memory_format=memory_format)
# # optionally resume from a checkpoint
if args.distributed:
if args.sync_bn:
try:
model = torch.nn.SyncBatchNorm.convert_sync_batchnorm(model)
if args.local_rank == 0:
logging.info(
'Converted model to use Synchronized BatchNorm. WARNING: You may have issues if using '
'zero initialized BN layers (enabled by default for ResNets) while sync-bn enabled.')
except Exception as e:
logging.error('Failed to enable Synchronized BatchNorm. Install Apex or Torch >= 1.1')
optimizer = create_optimizer(args, model)
scaler = torch.cuda.amp.GradScaler(enabled=args.amp)
resume_state = {}
resume_epoch = None
output_base = args.output if args.output else './output'
resume_checkpoint_path = get_latest_checkpoint(os.path.join(output_base, 'train'))
if args.resume and resume_checkpoint_path is not None:
print("Trying to load checkpoint from {}".format(resume_checkpoint_path))
resume_state, resume_epoch = resume_checkpoint(unwrap_bench(model), resume_checkpoint_path)
if resume_epoch is not None:
print("Resume training from {} epoch".format(resume_epoch))
if resume_state and not args.no_resume_opt:
if 'optimizer' in resume_state:
if args.local_rank == 0:
logging.info('Restoring Optimizer state from checkpoint')
optimizer.load_state_dict(resume_state['optimizer'])
if args.amp and 'scaler' in resume_state:
if args.local_rank == 0:
logging.info('Restoring NVIDIA AMP state from checkpoint')
scaler.load_state_dict(resume_state['scaler'])
del resume_state
model_ema = None
if args.model_ema:
# Important to create EMA model after cuda(), DP wrapper, and AMP but before SyncBN and DDP wrapper
if args.resume and resume_checkpoint_path is not None:
resume_path = resume_checkpoint_path
else:
resume_path = ''
model_ema = ModelEma(
model,
decay=args.model_ema_decay,
resume=resume_path)
if args.distributed:
if args.local_rank == 0:
logging.info("Using torch DistributedDataParallel. Install NVIDIA Apex for Apex DDP.")
model = DDP(model, device_ids=[args.device]) # can use device str in Torch >= 1.1
# NOTE: EMA model does not need to be wrapped by DDP
lr_scheduler, num_epochs = create_scheduler(args, optimizer)
start_epoch = 0
if args.start_epoch is not None:
# a specified start_epoch will always override the resume epoch
start_epoch = args.start_epoch
elif resume_epoch is not None:
start_epoch = resume_epoch
if lr_scheduler is not None and start_epoch > 0:
lr_scheduler.step(start_epoch)
if args.local_rank == 0:
dllogger.log(step="PARAMETER", data={'Scheduled_epochs': num_epochs}, verbosity=0)
# Benchmark will always override every other setting.
if args.benchmark:
start_epoch = 0
num_epochs = args.epochs
if args.waymo:
train_annotation_path = args.waymo_train_annotation
train_image_dir = args.waymo_train
else:
train_anno_set = 'train2017'
train_annotation_path = os.path.join(args.data, 'annotations', f'instances_{train_anno_set}.json')
train_image_dir = train_anno_set
dataset_train = CocoDetection(os.path.join(args.data, train_image_dir), train_annotation_path, data_config)
loader_train = create_loader(
dataset_train,
input_size=input_size,
batch_size=args.batch_size,
is_training=True,
use_prefetcher=args.prefetcher,
interpolation=args.train_interpolation,
num_workers=args.workers,
distributed=args.distributed,
pin_mem=args.pin_mem,
memory_format=memory_format
)
loader_train_iter = iter(loader_train)
steps_per_epoch = int(np.ceil( len(dataset_train) / (args.world_size * args.batch_size) ))
if args.waymo:
val_annotation_path = args.waymo_val_annotation
val_image_dir = args.waymo_val
else:
val_anno_set = 'val2017'
val_annotation_path = os.path.join(args.data, 'annotations', f'instances_{val_anno_set}.json')
val_image_dir = val_anno_set
dataset_eval = CocoDetection(os.path.join(args.data, val_image_dir), val_annotation_path, data_config)
loader_eval = create_loader(
dataset_eval,
input_size=input_size,
batch_size=args.validation_batch_size_multiplier * args.batch_size,
is_training=False,
use_prefetcher=args.prefetcher,
interpolation=args.interpolation,
num_workers=args.workers,
distributed=args.distributed,
pin_mem=args.pin_mem,
memory_format=memory_format
)
evaluator = COCOEvaluator(dataset_eval.coco, distributed=args.distributed, waymo=args.waymo)
eval_metric = args.eval_metric
eval_metrics = None
train_metrics = {}
best_metric = -1
is_best = False
best_epoch = None
saver = None
output_dir = ''
if args.rank == 0:
output_base = args.output if args.output else './output'
output_dir = get_outdirectory(output_base, 'train')
decreasing = True if eval_metric == 'loss' else False
saver = CheckpointSaver(checkpoint_dir=output_dir)
with open(os.path.join(output_dir, 'args.yaml'), 'w') as f:
f.write(args_text)
try:
for epoch in range(start_epoch, num_epochs):
if args.distributed:
loader_train.sampler.set_epoch(epoch)
train_metrics = train_epoch(
epoch, steps_per_epoch, model, loader_train_iter, optimizer, args,
lr_scheduler=lr_scheduler, output_dir=output_dir, use_amp=args.amp, scaler=scaler, model_ema=model_ema)
if args.distributed and args.dist_bn in ('broadcast', 'reduce'):
if args.local_rank == 0:
logging.info("Distributing BatchNorm running means and vars")
distribute_bn(model, args.world_size, args.dist_bn == 'reduce')
# the overhead of evaluating with coco style datasets is fairly high, so just ema or non, not both
if model_ema is not None:
if args.distributed and args.dist_bn in ('broadcast', 'reduce'):
distribute_bn(model_ema, args.world_size, args.dist_bn == 'reduce')
if epoch >= args.eval_after:
eval_metrics = validate(model_ema.ema, loader_eval, args, evaluator, epoch, log_suffix=' (EMA)')
else:
eval_metrics = validate(model, loader_eval, args, evaluator, epoch)
lr_scheduler.step(epoch + 1)
if saver is not None and args.rank == 0 and epoch % args.save_checkpoint_interval == 0:
if eval_metrics is not None:
# save proper checkpoint with eval metric
is_best = eval_metrics[eval_metric] > best_metric
best_metric = max(
eval_metrics[eval_metric],
best_metric
)
best_epoch = epoch
else:
is_best = False
best_metric = 0
saver.save_checkpoint(model, optimizer, epoch, model_ema=model_ema, metric=best_metric, is_best=is_best)
except KeyboardInterrupt:
dllogger.flush()
torch.cuda.empty_cache()
if best_metric > 0:
train_metrics.update({'best_map': best_metric, 'best_epoch': best_epoch})
if eval_metrics is not None:
train_metrics.update(eval_metrics)
dllogger.log(step=(), data=train_metrics, verbosity=0)
