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!3465 modify time_monitor 

Merge pull request !3465 from changzherui/mod_monitor
This commit is contained in:
mindspore-ci-bot 2020-07-25 21:35:42 +08:00 committed by Gitee
parent 84c8b85ddc 070e63e1ee
commit d48404abe7
1 changed files with 22 additions and 5 deletions
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27
mindspore/train/callback/_time_monitor.py
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@ -16,13 +16,19 @@
import time import time
from mindspore import log as logger
from ._callback import Callback from ._callback import Callback
class TimeMonitor(Callback): class TimeMonitor(Callback):
"""Time Monitor.""" """
Monitor the time in training.
def __init__(self, data_size): Args:
data_size (int): Dataset size. Default: None.
"""
def __init__(self, data_size=None):
super(TimeMonitor, self).__init__() super(TimeMonitor, self).__init__()
self.data_size = data_size self.data_size = data_size
@ -30,6 +36,17 @@ class TimeMonitor(Callback):
self.epoch_time = time.time() self.epoch_time = time.time()
def epoch_end(self, run_context): def epoch_end(self, run_context):
epoch_mseconds = (time.time() - self.epoch_time) * 1000 epoch_seconds = (time.time() - self.epoch_time) * 1000
per_step_mseconds = epoch_mseconds / self.data_size step_size = self.data_size
print("Epoch time: {:5.3f}, per step time: {:5.3f}".format(epoch_mseconds, per_step_mseconds), flush=True) cb_params = run_context.original_args()
if hasattr(cb_params, "batch_num"):
batch_num = cb_params.batch_num
if isinstance(batch_num, int) and batch_num > 0:
step_size = cb_params.batch_num
if not isinstance(step_size, int) or step_size < 1:
logger.error("data_size must be positive int.")
return
step_seconds = epoch_seconds / step_size
print("Epoch time: {:5.3f}, per step time: {:5.3f}".format(epoch_seconds, step_seconds), flush=True)