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[shardformer] support lazy init (#4202)

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* [shardformer] support lazy init

* [shardformer] linear support lazy init

* [shardformer] embedding support lazy init

* [shardformer] norm support lazy init

* [shardformer] fused linear support lazy init

* [test] update shardformer test layer

* [test] shardformer with lazy init fit ddp

* [lazy] hotfix deepcopy of param

* [shardformer] fix bert policy and update test

* [shardformer] fix bloom policy and update test

* [shardformer] fix opt policy and update test

* [shardformer] fix t5 policy and update test

* [shardformer] fix gpt2 policy and update test

* [shardformer] fix llama policy and update test
This commit is contained in:
Hongxin Liu
2023-07-10 10:48:53 +08:00
parent f3bcc292c8
commit 890774b2fb
25 changed files with 263 additions and 157 deletions
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13
tests/test_shardformer/test_layer/test_embedding.py
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@@ -1,15 +1,22 @@
from contextlib import nullcontext
import torch
import torch.distributed as dist
import torch.nn as nn
from torch.testing import assert_close
import colossalai
from colossalai.lazy import LazyInitContext
from colossalai.shardformer.layer import Embedding1D
from colossalai.testing import rerun_if_address_is_in_use, spawn
from colossalai.testing import parameterize, rerun_if_address_is_in_use, spawn
def check_embedding_1d():
embedding = nn.Embedding(32, 128).cuda()
@parameterize('lazy_init', [False, True])
def check_embedding_1d(lazy_init: bool):
ctx = LazyInitContext() if lazy_init else nullcontext()
with ctx:
embedding = nn.Embedding(32, 128).cuda()
embedding_1d = Embedding1D.from_native_module(embedding, process_group=None)
assert embedding_1d.weight.shape == torch.Size([32, 64])