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import torch
from .MetricBase import MetricBase
class CUDAMetric(MetricBase):
def __init__(self, rank: int, name: str):
self.rank = rank
self.name = name
self.start = None
self.end = None
def record_start(self):
self.start = torch.cuda.Event(enable_timing=True)
with torch.cuda.device(self.rank):
self.start.record()
def record_end(self):
self.end = torch.cuda.Event(enable_timing=True)
with torch.cuda.device(self.rank):
self.end.record()
def elapsed_time(self):
if not self.start.query():
raise RuntimeError("start event did not complete")
if not self.end.query():
raise RuntimeError("end event did not complete")
return self.start.elapsed_time(self.end)
def synchronize(self):
self.start.synchronize()
self.end.synchronize()
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