Created by: wangxicoding

PR types

Others

PR changes

APIs

Describe

Remove DGCMomentumOptimizer, LarsMomentum, LambOptimizer, PipelineOptimizer, RecomputeOptimizer which has exposed in fleet. Users can apply these interfaces in the following ways:

import paddle.distributed.fleet as fleet
strategy = fleet.DistributedStrategy()
strategy.dgc = True  # DGCMomentumOptimizer
strategy.lars = True  # LarsMomentum
strategy.lamb = True  # LambOptimizer
strategy.pipeline = True  # PipelineOptimizer
strategy.recompute = True  # RecomputeOptimizer

More details can see https://www.paddlepaddle.org.cn/documentation/docs/zh/develop/api/paddle/distributed/fleet/DistributedStrategy_cn.html