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Try to detect 802.3ad LACP bonding slaves and multiply by slave count #618

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Try to detect 802.3ad LACP bonding slaves and multiply by slave count #618

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8 changes: 8 additions & 0 deletions deep_ep/utils/envs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -262,6 +262,14 @@ def get_rdma_gbs(nic_name: str = _DEFAULT_NIC_NAME) -> float:
match = re.search(pattern, output, re.DOTALL)
assert match
rate = int(match.group(1))

# Try to detect 802.3ad LACP bonding slaves and multiply by slave count
result = subprocess.run(f'cat /sys/class/infiniband/{nic_name}/device/net/*/upper_*/bonding/slaves',
shell=True, capture_output=True, text=True)
slave_count = len(result.stdout.strip().split())
if slave_count >= 2:
rate *= slave_count

return rate / 8
except Exception as e:
print(f'Failed to get RDMA connection speed: {e}')
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