get_world_size¶

paddle.distributed. get_world_size ( ) [源代码] ¶

返回参与当前任务的进程数。

当前进程数等于环境变量 PADDLE_TRAINERS_NUM 的值，默认值为 1。

返回¶

(int) 参与任务的进程数。

代码示例¶

          # Execute this script using distributed launch with one card configs.
import paddle
import paddle.distributed as dist

dist.init_parallel_env()
print("The world_size is %d" % dist.get_world_size())
# The world_size is 1

         