rdma_traffic_class

Applicability

Product	Supported
Atlas A3 training products/Atlas A3 inference products	√
Atlas A2 training products/Atlas A2 inference products	√
Atlas 200I/500 A2 inference products	x
Atlas inference products	x
Atlas training products	x

Note: For the Atlas A2 training products/Atlas A2 inference products, only the Atlas 800I A2 inference server, Atlas 300I A2 inference card, and A200I A2 Box heterogeneous components are supported.

Function Description

Sets the traffic class of the RDMA NIC.

Prototype

rdma_traffic_class(self, rdma_traffic_class: int)

Parameters

Parameter	Data Type	Description
rdma_traffic_class	int	Traffic class of the RDMA NIC. If both this option and the environment variable HCCL_RDMA_TC are configured, this option takes precedence. If only one of them is configured, the configured one takes effect. Its value ranges from 0 to 255 and must be an integral multiple of 4. The default value is 132. For more information, see Environment Variables.

Parameter

Data Type

Description

rdma_traffic_class

int

Traffic class of the RDMA NIC. If both this option and the environment variable HCCL_RDMA_TC are configured, this option takes precedence. If only one of them is configured, the configured one takes effect.

Its value ranges from 0 to 255 and must be an integral multiple of 4. The default value is 132.

For more information, see Environment Variables.

Example

from llm_datadist import LLMConfig
llm_config = LLMConfig()
llm_config.rdma_traffic_class = 100

Returns

In normal cases, no value is returned.

If a parameter is incorrect, a TypeError or ValueError may be thrown.

Restrictions

None

Parent topic: LLMConfig