def log_epoch_stats(self, cur_epoch):
"""
Log the stats of the current epoch.
Args:
cur_epoch (int): the number of current epoch.
"""
stats = {
"_type": "val_epoch",
"epoch": "{}/{}".format(cur_epoch + 1, self._cfg.SOLVER.MAX_EPOCH),
"time_diff": self.iter_timer.seconds(),
"gpu_mem": "{:.2f}G".format(misc.gpu_mem_usage()),
"RAM": "{:.2f}/{:.2f}G".format(*misc.cpu_mem_usage()),
}
if self._cfg.DATA.MULTI_LABEL:
stats["map"] = get_map(
torch.cat(self.all_preds).cpu().numpy(),
torch.cat(self.all_labels).cpu().numpy(),
)
else:
top1_err = self.num_top1_mis / self.num_samples
top5_err = self.num_top5_mis / self.num_samples
self.min_top1_err = min(self.min_top1_err, top1_err)
self.min_top5_err = min(self.min_top5_err, top5_err)
stats["top1_err"] = top1_err
stats["top5_err"] = top5_err
stats["min_top1_err"] = self.min_top1_err
stats["min_top5_err"] = self.min_top5_err
for key in self.extra_stats.keys():
stats[key] = self.extra_stats_total[key] / self.num_samples
logging.log_json_stats(stats)
def log_epoch_stats(self, cur_epoch):
"""
Log the stats of the current epoch.
Args:
cur_epoch (int): the number of current epoch.
"""
eta_sec = self.iter_timer.seconds() * (
self.MAX_EPOCH - (cur_epoch + 1) * self.epoch_iters)
eta = str(datetime.timedelta(seconds=int(eta_sec)))
stats = {
"_type": "train_epoch",
"epoch": "{}/{}".format(cur_epoch + 1, self._cfg.SOLVER.MAX_EPOCH),
"dt": self.iter_timer.seconds(),
"dt_data": self.data_timer.seconds(),
"dt_net": self.net_timer.seconds(),
"eta": eta,
"lr": self.lr,
"gpu_mem": "{:.2f}G".format(misc.gpu_mem_usage()),
"RAM": "{:.2f}/{:.2f}G".format(*misc.cpu_mem_usage()),
}
if not self._cfg.DATA.MULTI_LABEL:
top1_err = self.num_top1_mis / self.num_samples
top5_err = self.num_top5_mis / self.num_samples
avg_loss = self.loss_total / self.num_samples
stats["top1_err"] = top1_err
stats["top5_err"] = top5_err
stats["loss"] = avg_loss
for key in self.extra_stats.keys():
stats[key] = self.extra_stats_total[key] / self.num_samples
logging.log_json_stats(stats)
def log_iter_stats(self, cur_epoch, cur_iter):
"""
log the stats of the current iteration.
Args:
cur_epoch (int): the number of current epoch.
cur_iter (int): the number of current iteration.
"""
if (cur_iter + 1) % self._cfg.LOG_PERIOD != 0:
return
eta_sec = self.iter_timer.seconds() * (self.max_iter - cur_iter - 1)
eta = str(datetime.timedelta(seconds=int(eta_sec)))
stats = {
"_type": "val_iter",
"epoch": "{}/{}".format(cur_epoch + 1, self._cfg.SOLVER.MAX_EPOCH),
"iter": "{}/{}".format(cur_iter + 1, self.max_iter),
"time_diff": self.iter_timer.seconds(),
"eta": eta,
"gpu_mem": "{:.2f}G".format(misc.gpu_mem_usage()),
}
if not self._cfg.DATA.MULTI_LABEL:
stats["top1_err"] = self.mb_top1_err.get_win_median()
stats["top5_err"] = self.mb_top5_err.get_win_median()
for key in self.extra_stats.keys():
stats[key] = self.extra_stats[key].get_win_median()
logging.log_json_stats(stats)
def log_iter_stats(self, cur_epoch, cur_iter):
"""
log the stats of the current iteration.
Args:
cur_epoch (int): the number of current epoch.
cur_iter (int): the number of current iteration.
"""
if (cur_iter + 1) % self._cfg.LOG_PERIOD != 0:
return
eta_sec = self.iter_timer.seconds() * (
self.MAX_EPOCH - (cur_epoch * self.epoch_iters + cur_iter + 1))
eta = str(datetime.timedelta(seconds=int(eta_sec)))
stats = {
"_type": "train_iter",
"epoch": "{}/{}".format(cur_epoch + 1, self._cfg.SOLVER.MAX_EPOCH),
"iter": "{}/{}".format(cur_iter + 1, self.epoch_iters),
"dt": self.iter_timer.seconds(),
"dt_data": self.data_timer.seconds(),
"dt_net": self.net_timer.seconds(),
"eta": eta,
"loss": self.loss.get_win_median(),
"lr": self.lr,
"gpu_mem": "{:.2f}G".format(misc.gpu_mem_usage()),
}
if not self._cfg.DATA.MULTI_LABEL:
stats["top1_err"] = self.mb_top1_err.get_win_median()
stats["top5_err"] = self.mb_top5_err.get_win_median()
for key in self.extra_stats.keys():
stats[key] = self.extra_stats_total[key] / self.num_samples
logging.log_json_stats(stats)