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chore(ci/litjob): fix and optimize GPU related tests
#21290
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It seems the delay in those tests is caused by Test Code
export CUDA_LAUNCH_BLOCKING=0
time python -c "
import torch
from lightning.pytorch.demos.boring_classes import BoringModel
model = BoringModel()
model.example_input_array = torch.randn((4, 32))
model.cuda()
print('Starting compilation with CI env vars...')
import time
start = time.time()
ret = model.to_tensorrt(ir='ts')
end = time.time()
print(f'Compilation took {end - start:.2f} seconds')
"
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bhimrazy
commented
Nov 4, 2025
ci/litjob): fix and optimize GPU related tests
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What does this PR do?
This PR has the following changes:
Reduced GPU test time by approximately 25–30 minutes.
Two of these tests were taking more than 20 minutes but, when run manually, finished within 5 seconds.
The delay in those tests was mainly caused by
CUDA_LAUNCH_BLOCKING=1.Before:


After:
Fixes a typo by replacing
$(PACKAGE_NAME)with${PACKAGE_NAME}.Fix:
unzipnot found — used in cipytorch-lightning/.actions/pull_legacy_checkpoints.sh
Line 10 in 573828a
Note: It seems there are still
ci/litjobfailures caused by port issues, which require a rerun to pass.PR review
Anyone in the community is welcome to review the PR.
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