forked from mrq/DL-Art-School
Enable testing in ExtensibleTrainer, fix it in SRGAN_model
Also compute fea loss for this.
This commit is contained in:
James Betker
parent
b2091cb698
commit
4b4d08bdec
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@ -30,6 +30,11 @@ class ExtensibleTrainer(BaseModel):
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'opt': opt,
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'step': 0}
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self.mega_batch_factor = 1
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if self.is_train:
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self.mega_batch_factor = train_opt['mega_batch_factor']
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self.env['mega_batch_factor'] = self.mega_batch_factor
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self.netsG = {}
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self.netsD = {}
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self.netF = networks.define_F().to(self.device) # Used to compute feature loss.
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@ -49,71 +54,68 @@ class ExtensibleTrainer(BaseModel):
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step = ConfigurableStep(step, self.env)
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self.steps.append(step)
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# The steps rely on the networks being placed in the env, so put them there. Even though they arent wrapped
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# yet.
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self.env['generators'] = self.netsG
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self.env['discriminators'] = self.netsD
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# Define the optimizers from the steps
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for s in self.steps:
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s.define_optimizers()
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self.optimizers.extend(s.get_optimizers())
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if self.is_train:
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self.mega_batch_factor = train_opt['mega_batch_factor']
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if self.mega_batch_factor is None:
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self.mega_batch_factor = 1
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self.env['mega_batch_factor'] = self.mega_batch_factor
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# The steps rely on the networks being placed in the env, so put them there. Even though they arent wrapped
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# yet.
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self.env['generators'] = self.netsG
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self.env['discriminators'] = self.netsD
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# Define the optimizers from the steps
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for s in self.steps:
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s.define_optimizers()
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self.optimizers.extend(s.get_optimizers())
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# Find the optimizers that are using the default scheduler, then build them.
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def_opt = []
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for s in self.steps:
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def_opt.extend(s.get_optimizers_with_default_scheduler())
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self.schedulers = lr_scheduler.get_scheduler_for_name(train_opt['default_lr_scheme'], def_opt, train_opt)
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else:
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self.schedulers = []
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# Initialize amp.
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total_nets = [g for g in self.netsG.values()] + [d for d in self.netsD.values()]
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amp_nets, amp_opts = amp.initialize(total_nets + [self.netF] + self.steps,
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self.optimizers, opt_level=opt['amp_opt_level'], num_losses=len(opt['steps']))
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# Initialize amp.
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total_nets = [g for g in self.netsG.values()] + [d for d in self.netsD.values()]
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amp_nets, amp_opts = amp.initialize(total_nets + [self.netF] + self.steps,
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self.optimizers, opt_level=opt['amp_opt_level'], num_losses=len(opt['steps']))
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# Unwrap steps & netF
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self.netF = amp_nets[len(total_nets)]
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assert(len(self.steps) == len(amp_nets[len(total_nets)+1:]))
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self.steps = amp_nets[len(total_nets)+1:]
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amp_nets = amp_nets[:len(total_nets)]
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# Unwrap steps & netF
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self.netF = amp_nets[len(total_nets)]
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assert(len(self.steps) == len(amp_nets[len(total_nets)+1:]))
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self.steps = amp_nets[len(total_nets)+1:]
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amp_nets = amp_nets[:len(total_nets)]
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# DataParallel
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dnets = []
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for anet in amp_nets:
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if opt['dist']:
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dnet = DistributedDataParallel(anet,
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device_ids=[torch.cuda.current_device()],
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find_unused_parameters=True)
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else:
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dnet = DataParallel(anet)
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if self.is_train:
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dnet.train()
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else:
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dnet.eval()
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dnets.append(dnet)
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if not opt['dist']:
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self.netF = DataParallel(self.netF)
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# DataParallel
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dnets = []
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for anet in amp_nets:
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if opt['dist']:
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dnet = DistributedDataParallel(anet,
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device_ids=[torch.cuda.current_device()],
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find_unused_parameters=True)
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else:
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dnet = DataParallel(anet)
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if self.is_train:
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dnet.train()
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else:
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dnet.eval()
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dnets.append(dnet)
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if not opt['dist']:
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self.netF = DataParallel(self.netF)
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# Backpush the wrapped networks into the network dicts..
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self.networks = {}
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found = 0
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for dnet in dnets:
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for net_dict in [self.netsD, self.netsG]:
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for k, v in net_dict.items():
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if v == dnet.module:
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net_dict[k] = dnet
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self.networks[k] = dnet
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found += 1
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assert found == len(self.netsG) + len(self.netsD)
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# Backpush the wrapped networks into the network dicts..
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self.networks = {}
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found = 0
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for dnet in dnets:
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for net_dict in [self.netsD, self.netsG]:
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for k, v in net_dict.items():
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if v == dnet.module:
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net_dict[k] = dnet
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self.networks[k] = dnet
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found += 1
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assert found == len(self.netsG) + len(self.netsD)
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# Replace the env networks with the wrapped networks
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self.env['generators'] = self.netsG
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self.env['discriminators'] = self.netsD
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# Replace the env networks with the wrapped networks
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self.env['generators'] = self.netsG
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self.env['discriminators'] = self.netsD
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self.print_network() # print network
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self.load() # load G and D if needed
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@ -121,7 +123,12 @@ class ExtensibleTrainer(BaseModel):
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# Setting this to false triggers SRGAN to call the models update_model() function on the first iteration.
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self.updated = True
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def feed_data(self, data):
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def feed_data(self, data, need_GT=False):
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self.eval_state = {}
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for o in self.optimizers:
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o.zero_grad()
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torch.cuda.empty_cache()
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self.lq = torch.chunk(data['LQ'].to(self.device), chunks=self.mega_batch_factor, dim=0)
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self.hq = [t.to(self.device) for t in torch.chunk(data['GT'], chunks=self.mega_batch_factor, dim=0)]
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input_ref = data['ref'] if 'ref' in data else data['GT']
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@ -206,7 +213,9 @@ class ExtensibleTrainer(BaseModel):
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for k, v in ns.items():
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state[k] = [v]
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self.eval_state = state
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self.eval_state = {}
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for k, v in state.items():
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self.eval_state[k] = [s.detach().cpu() if isinstance(s, torch.Tensor) else s for s in v]
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for net in self.netsG.values():
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net.train()
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@ -352,6 +352,9 @@ class SRGANModel(BaseModel):
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self.gan_lq_img_use_prob = train_opt['gan_lowres_use_probability'] if train_opt['gan_lowres_use_probability'] else 0
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self.img_debug_steps = opt['logger']['img_debug_steps'] if 'img_debug_steps' in opt['logger'].keys() else 50
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else:
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self.netF = networks.define_F(use_bn=False).to(self.device)
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self.cri_fea = nn.L1Loss().to(self.device)
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#self.print_network() # print network
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self.load() # load G and D if needed
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@ -181,7 +181,7 @@ def define_D_net(opt_net, img_sz=None, wrap=False):
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netD = SRGAN_arch.Discriminator_switched(in_nc=opt_net['in_nc'], nf=opt_net['nf'], initial_temp=opt_net['initial_temp'],
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final_temperature_step=opt_net['final_temperature_step'])
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elif which_model == "cross_compare_vgg128":
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netD = SRGAN_arch.CrossCompareDiscriminator(in_nc=opt_net['in_nc'], ref_channels=opt_net['ref_channels'], nf=opt_net['nf'], scale=opt_net['scale'])
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netD = SRGAN_arch.CrossCompareDiscriminator(in_nc=opt_net['in_nc'], ref_channels=opt_net['ref_channels'] if 'ref_channels' in opt_net.keys() else 3, nf=opt_net['nf'], scale=opt_net['scale'])
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else:
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raise NotImplementedError('Discriminator model [{:s}] not recognized'.format(which_model))
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return netD
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@ -30,9 +30,10 @@ class ConfigurableStep(Module):
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losses = []
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self.weights = {}
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for loss_name, loss in self.step_opt['losses'].items():
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losses.append((loss_name, create_generator_loss(loss, env)))
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self.weights[loss_name] = loss['weight']
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if 'losses' in self.step_opt.keys():
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for loss_name, loss in self.step_opt['losses'].items():
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losses.append((loss_name, create_generator_loss(loss, env)))
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self.weights[loss_name] = loss['weight']
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self.losses = OrderedDict(losses)
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# Subclasses should override this to define individual optimizers. They should all go into self.optimizers.
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@ -61,10 +61,8 @@ def forward_pass(model, output_dir, alteration_suffix=''):
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model.feed_data(data, need_GT=need_GT)
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model.test()
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if isinstance(model.fake_GenOut[0], tuple):
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visuals = model.fake_GenOut[0][0].detach().float().cpu()
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else:
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visuals = model.fake_GenOut[0].detach().float().cpu()
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visuals = model.get_current_visuals()['rlt'].cpu()
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fea_loss = 0
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for i in range(visuals.shape[0]):
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img_path = data['GT_path'][i] if need_GT else data['LQ_path'][i]
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img_name = osp.splitext(osp.basename(img_path))[0]
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@ -78,7 +76,10 @@ def forward_pass(model, output_dir, alteration_suffix=''):
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else:
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save_img_path = osp.join(output_dir, img_name + '.png')
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fea_loss += model.compute_fea_loss(visuals[i], data['GT'][i])
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util.save_img(sr_img, save_img_path)
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return fea_loss
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if __name__ == "__main__":
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@ -87,7 +88,7 @@ if __name__ == "__main__":
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want_just_images = True
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srg_analyze = False
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parser = argparse.ArgumentParser()
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parser.add_argument('-opt', type=str, help='Path to options YMAL file.', default='../options/analyze_srg.yml')
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parser.add_argument('-opt', type=str, help='Path to options YAML file.', default='../options/srgan_compute_feature.yml')
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opt = option.parse(parser.parse_args().opt, is_train=False)
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opt = option.dict_to_nonedict(opt)
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@ -108,6 +109,7 @@ if __name__ == "__main__":
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test_loaders.append(test_loader)
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model = create_model(opt)
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fea_loss = 0
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for test_loader in test_loaders:
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test_set_name = test_loader.dataset.opt['name']
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logger.info('\nTesting [{:s}]...'.format(test_set_name))
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@ -143,4 +145,7 @@ if __name__ == "__main__":
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model_copy.load_state_dict(orig_model.state_dict())
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model.netG = model_copy
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else:
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forward_pass(model, dataset_dir, opt['name'])
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fea_loss += forward_pass(model, dataset_dir, opt['name'])
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# log
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logger.info('# Validation # Fea: {:.4e}'.format(fea_loss / len(test_loader)))
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@ -32,7 +32,7 @@ def init_dist(backend='nccl', **kwargs):
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def main():
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#### options
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parser = argparse.ArgumentParser()
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parser.add_argument('-opt', type=str, help='Path to option YAML file.', default='../options/train_imgset_spsr_switched2_xlbatch_ragan.yml')
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parser.add_argument('-opt', type=str, help='Path to option YAML file.', default='../options/srgan_compute_feature.yml')
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parser.add_argument('--launcher', choices=['none', 'pytorch'], default='none',
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help='job launcher')
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parser.add_argument('--local_rank', type=int, default=0)
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@ -32,7 +32,7 @@ def init_dist(backend='nccl', **kwargs):
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def main():
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#### options
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parser = argparse.ArgumentParser()
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parser.add_argument('-opt', type=str, help='Path to option YAML file.', default='../options/train_imgset_spsr_switched2_fullimgref.yml')
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parser.add_argument('-opt', type=str, help='Path to option YAML file.', default='../options/train_mi1_spsr_switched2_fullimgref.yml')
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parser.add_argument('--launcher', choices=['none', 'pytorch'], default='none',
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help='job launcher')
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parser.add_argument('--local_rank', type=int, default=0)
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