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Fix Flex-start TPU lease expiry detection #172

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Merged
charlesmartin14 merged 1 commit into from
Oct 17, 2026
Merged

Fix Flex-start TPU lease expiry detection #172

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3 changes: 2 additions & 1 deletion baseline/gpt2_small/speedrun.py
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,8 @@ def lease(a, required_seconds=SUITE_SECONDS+1800):
node=json.loads(run(['gcloud','compute','tpus','tpu-vm','describe',a.node,*flags],capture_output=True).stdout)
queue_name=node.get('queuedResource','').rsplit('/',1)[-1]
if not queue_name: raise RuntimeError('No queued-resource lease found')
queue=json.loads(run(['gcloud','compute','tpus','queued-resources','describe',queue_name,*flags],capture_output=True).stdout)
# Flex-start terminationTimestamp is exposed on the alpha queued-resource surface.
queue=json.loads(run(['gcloud','alpha','compute','tpus','queued-resources','describe',queue_name,*flags],capture_output=True).stdout)
if node.get('state')!='READY' or queue.get('state',{}).get('state')!='ACTIVE' or node.get('acceleratorType')!='v5litepod-8':
raise RuntimeError('Requires an active single-host v5e-8 allocation')
expiries=[node.get('schedulingConfig',{}).get('terminationTimestamp'),queue.get('runDuration',{}).get('terminationTime')]
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