HCCL_RDMA_TIMEOUT

Description

Configures the retransmission timeout of the RDMA NIC.

The minimum retransmission timeout of the RDMA NIC is calculated as follows: 4.096 μs x 2 ^ timeout. In the formula, timeout is the value of this environment variable, and the actual retransmission timeout is related to the user network status.

• For the Atlas Training Series Product, set this environment variable to an integer ranging from [5,24]. The default value is 20.

Example

# Set the timeout interval to 6.
export HCCL_RDMA_TIMEOUT=6

Restrictions

None

Applicability

Atlas Training Series Product