ColossalAI/tests/test_pipeline/test_cuda_rpc_pipeline.py
Kirigaya Kazuto 5a6fd71f90
[pipeline/rpc] update outstanding mechanism | optimize dispatching strategy (#1497)
* support p2p communication with any type of object | pass test

* reconstruct pipeline schedule with p2p_v2.py(support communication with List[Any]) | pass test

* [engin/schedule] use p2p_v2 to recontruct pipeline_schedule

* [pipeline/rpc] implement a demo for PP with cuda rpc framework

* [pipeline/rpc] support interleaving | fix checkpoint bug | change logic when dispatch data in work_list to ensure steady 1F1B

* [pipeline/rpc] implement distributed optimizer | test with assert_close

* [pipeline/rpc] implement distributed optimizer | test with assert_close

* [pipeline/rpc] update outstanding mechanism | optimize dispatching strategy

* [pipeline/rpc] update outstanding mechanism | optimize dispatching strategy

* [pipeline/rpc] update outstanding mechanism | optimize dispatching strategy
2022-08-26 14:04:23 +08:00

45 lines
1.3 KiB
Python

import torch
from torch import nn
from colossalai.pipeline.rpc.PipelineBase import FillDrainPipelineEngine, OneFOneBPipelineEngine
from rpc_test_utils import rpc_run, parse_args, RpcTestModel
def run_master(args):
torch.manual_seed(100)
epoch = args.epoch
device = args.device
stage_num = args.world_size
chunk = args.chunk
num_microbatches = args.num_microbatches
actual_stage_num = stage_num * chunk
use_checkpoint = args.use_checkpoint
sample_num = 1024
feat_num = 10
h = 10
batch_size = 1024
assert sample_num % batch_size == 0
batch_num = sample_num // batch_size
input_sample = torch.randn((sample_num, feat_num), device=device)
module_partitions = [RpcTestModel(pp_rank, actual_stage_num, feat_num, h) for pp_rank in range(actual_stage_num)]
engine = OneFOneBPipelineEngine(module_partitions=module_partitions,
stage_num=stage_num,
num_microbatches=num_microbatches,
device=device,
chunk=chunk,
checkpoint=use_checkpoint)
for _ in range(epoch):
_ = engine.forward_backward(input_sample, forward_only=False)
if __name__ == "__main__":
args = parse_args()
rpc_run(args, run_master)