added reduce ddp results on eval #2434
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williamFalcon
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Hello @williamFalcon! Thanks for updating this PR. There are currently no PEP 8 issues detected in this Pull Request. Cheers! 🍻 Comment last updated at 2020-06-30 19:19:32 UTC |
awaelchli
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Jun 30, 2020
| @@ -347,6 +354,22 @@ def _evaluate( | |||
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| return eval_results | |||
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| def reduce_eval_ddp(self, eval_results): | |||
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this traversal of nested types looks like what @justusschock did in metrics. maybe one could re-use his apply_to_collection from utilitiles.apply_func.py
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good point @justusschock how would i adapt that here?
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Quick brain-compiled code:
eval_results = apply_to_collection(
eval_results,
dtype=torch.Tensor,
function=reduce_eval_ddp,
world_size=self.world_size
)with reduce_eval_ddp defined as
def reduce_eval_ddp(v, world_size):
dist.all_reduce(v, op=dist.reduce_op.SUM)
v = v / world_size
return v
Codecov Report
@@ Coverage Diff @@
## master #2434 +/- ##
======================================
- Coverage 89% 88% -0%
======================================
Files 69 69
Lines 5485 5499 +14
======================================
+ Hits 4858 4862 +4
- Misses 627 637 +10 |
This was referenced Jul 2, 2020
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Enhancement: aggregates ddp outputs on eval
Fixes #702