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51 lines
1.7 KiB
51 lines
1.7 KiB
4 years ago
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import time
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from typing import Optional
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from timm.metrics import ScalarAvgMinMax
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class Tracker:
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def __init__(self):
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self.data_time = ScalarAvgMinMax() # time for data loader to produce batch of samples
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self.step_time = ScalarAvgMinMax() # time for model step
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self.iter_time = ScalarAvgMinMax() # full iteration time incl. data, step, and book-keeping
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self.epoch_time = ScalarAvgMinMax()
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self.iter_timestamp: Optional[float] = None
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self.prev_timestamp: Optional[float] = None
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self.epoch_timestamp: Optional[float] = None
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def _measure_iter(self, ref_timestamp=None):
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timestamp = time.perf_counter()
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self.prev_timestamp = timestamp
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def mark_iter(self):
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timestamp = time.perf_counter()
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if self.iter_timestamp is not None:
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iter_time = timestamp - self.iter_timestamp
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self.iter_time.update(iter_time)
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self.iter_timestamp = self.prev_timestamp = timestamp
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def mark_iter_data_end(self):
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assert self.prev_timestamp is not None
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timestamp = time.perf_counter()
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data_time = timestamp - self.prev_timestamp
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self.data_time.update(data_time)
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self.prev_timestamp = timestamp
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def mark_iter_step_end(self):
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assert self.prev_timestamp is not None
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timestamp = time.perf_counter()
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step_time = timestamp - self.prev_timestamp
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self.step_time.update(step_time)
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self.prev_timestamp = timestamp
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def mark_epoch(self):
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timestamp = time.perf_counter()
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if self.epoch_timestamp is not None:
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epoch_time = timestamp - self.epoch_timestamp
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self.epoch_time.update(epoch_time)
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self.epoch_timestamp = timestamp
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