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Update test_accuracy.py to generate data with different random seed #2637

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Merged
vfdev-5 merged 5 commits into from
Aug 15, 2022
Merged

Update test_accuracy.py to generate data with different random seed #2637

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6693f9d
Update test_accuracy.py to generate data with different random seed p…
puhuk Aug 11, 2022
fbad361
Update test_accuracy.py
puhuk Aug 11, 2022
734f626
Update test_accuracy.py
puhuk Aug 15, 2022
96c6e40
Update test_accuracy.py
puhuk Aug 15, 2022
3cdf346
Merge branch 'master' into test_accuracy_to_diff_rank
vfdev-5 Aug 15, 2022
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17 changes: 10 additions & 7 deletions tests/ignite/metrics/test_accuracy.py
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Original file line number Diff line number Diff line change
Expand Up @@ -358,22 +358,22 @@ def _test(metric_device):
def _test_distrib_integration_multiclass(device):

rank = idist.get_rank()
torch.manual_seed(12)

def _test(n_epochs, metric_device):
metric_device = torch.device(metric_device)
n_iters = 80
s = 16
batch_size = 16
n_classes = 10

offset = n_iters * s
y_true = torch.randint(0, n_classes, size=(offset * idist.get_world_size(),)).to(device)
y_preds = torch.rand(offset * idist.get_world_size(), n_classes).to(device)
torch.manual_seed(12 + rank)

y_true = torch.randint(0, n_classes, size=(n_iters * batch_size,)).to(device)
y_preds = torch.rand(n_iters * batch_size, n_classes).to(device)

def update(engine, i):
return (
y_preds[i * s + rank * offset : (i + 1) * s + rank * offset, :],
y_true[i * s + rank * offset : (i + 1) * s + rank * offset],
y_preds[i * batch_size : (i + 1) * batch_size, :],
y_true[i * batch_size : (i + 1) * batch_size],
)

engine = Engine(update)
Expand All @@ -384,6 +384,9 @@ def update(engine, i):
data = list(range(n_iters))
engine.run(data=data, max_epochs=n_epochs)

y_true = idist.all_gather(y_true)
y_preds = idist.all_gather(y_preds)

assert (
acc._num_correct.device == metric_device
), f"{type(acc._num_correct.device)}:{acc._num_correct.device} vs {type(metric_device)}:{metric_device}"
Expand Down