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ColossalAI/tests/test_fx/test_parallel_1d.py
Hongxin Liu 7f8b16635b
[misc] refactor launch API and tensor constructor ()
* [misc] remove config arg from initialize

* [misc] remove old tensor contrusctor

* [plugin] add npu support for ddp

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* [devops] fix doc test ci

* [test] fix test launch

* [doc] update launch doc

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2024-04-29 10:40:11 +08:00

59 lines
1.5 KiB
Python

#!/usr/bin/env python
# -*- encoding: utf-8 -*-
import pytest
import torch
from torch.fx import symbolic_trace
from colossalai.fx.passes import column_shard_linear_pass
from colossalai.initialize import launch
from colossalai.legacy.core import global_context as gpc
from colossalai.logging import disable_existing_loggers
from colossalai.testing import clear_cache_before_run, rerun_if_address_is_in_use, spawn
class MLP(torch.nn.Module):
def __init__(self, dim: int):
super().__init__()
self.linear1 = torch.nn.Linear(dim, dim)
self.linear2 = torch.nn.Linear(dim, dim)
self.linear3 = torch.nn.Linear(dim, dim)
self.linear4 = torch.nn.Linear(dim, dim)
def forward(self, x):
x = self.linear1(x)
x = self.linear2(x)
x = self.linear3(x)
x = self.linear4(x)
return x
CONFIG = dict(parallel=dict(tensor=dict(mode="1d", size=2)))
def check_layer(rank, world_size, port):
disable_existing_loggers()
launch(rank=rank, world_size=world_size, host="localhost", port=port, backend="nccl")
input_tensor = torch.rand(2, 16).cuda()
model = MLP(16).cuda()
symbolic_traced = symbolic_trace(model)
output = model(input_tensor)
splitted_gm = column_shard_linear_pass(symbolic_traced)
new_output = splitted_gm(input_tensor)
assert output.equal(new_output)
gpc.destroy()
torch.cuda.empty_cache()
@pytest.mark.dist
@clear_cache_before_run()
@rerun_if_address_is_in_use()
def test_1d():
spawn(check_layer, 2)
if __name__ == "__main__":
test_1d()