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[refactor] move chunk and chunkmgr to directory gemini (#1182)

pull/1186/head
Jiarui Fang 2022-06-29 13:31:02 +08:00 committed by GitHub
parent 6b2f2ab9bb
commit 372f791444
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15 changed files with 335 additions and 331 deletions
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7
colossalai/gemini/__init__.py
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@ -1,5 +1,10 @@
from .chunk import TensorInfo, Chunk, TensorState
from .chunk_mgr import ChunkManager
from .stateful_tensor_mgr import StatefulTensorMgr
from .tensor_placement_policy import TensorPlacementPolicyFactory
from .gemini_mgr import GeminiManager
__all__ = ['StatefulTensorMgr', 'TensorPlacementPolicyFactory', 'GeminiManager']
__all__ = [
'StatefulTensorMgr', 'TensorPlacementPolicyFactory', 'GeminiManager', 'ChunkManager', 'TensorInfo', 'Chunk',
'TensorState'
]

315
colossalai/gemini/chunk.py Normal file
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@ -0,0 +1,315 @@
import torch
import torch.distributed as dist
from dataclasses import dataclass
from enum import Enum
from typing import Optional, Dict, List
from colossalai.core import global_context as gpc
from colossalai.context import ParallelMode
from colossalai.utils import get_current_device
class TensorState(Enum):
FREE = 0
COMPUTE = 1
HOLD = 2
HOLD_AFTER_BWD = 3
READY_FOR_REDUCE = 4
STATE_TRANS = ((TensorState.FREE, TensorState.HOLD), (TensorState.FREE, TensorState.COMPUTE),
(TensorState.HOLD, TensorState.FREE), (TensorState.HOLD, TensorState.COMPUTE),
(TensorState.COMPUTE, TensorState.HOLD), (TensorState.COMPUTE, TensorState.HOLD_AFTER_BWD),
(TensorState.COMPUTE, TensorState.READY_FOR_REDUCE), (TensorState.HOLD_AFTER_BWD, TensorState.COMPUTE),
(TensorState.HOLD_AFTER_BWD, TensorState.READY_FOR_REDUCE), (TensorState.READY_FOR_REDUCE,
TensorState.HOLD))
@dataclass
class TensorInfo:
state: TensorState
offset: int
end: int
class ChunkFullError(Exception):
pass
def is_storage_empty(tensor: torch.Tensor) -> bool:
return tensor.storage().size() == 0
def free_storage(tensor: torch.Tensor) -> None:
if not is_storage_empty(tensor):
tensor.storage().resize_(0)
def alloc_storage(tensor: torch.Tensor) -> None:
if is_storage_empty(tensor):
tensor.storage().resize_(tensor.numel())
class Chunk:
"""
A chunk is a contiguous memory space which contains multiple tensors.
Args:
chunk_size (int): the number of elements in a chunk
src_rank (int): the process which owns the chunk
dtype (torch.dtype): the data type of the chunk
init_device (torch.device): optional, the device where the tensor is initialized. The default value is None, which is the current GPU.
force_data_on_cuda (bool): optional, if True, chunk.data is always on cuda. Defaults to False.
"""
def __init__(self,
chunk_size: int,
src_rank: int,
dtype: torch.dtype,
init_device: Optional[torch.device] = None,
force_data_on_cuda: bool = False) -> None:
self.size = chunk_size
self.utilized_size = 0
self.src_rank = src_rank
self.is_src_rank = gpc.get_local_rank(ParallelMode.DATA) == src_rank
self.global_src_rank = gpc.get_ranks_in_group(ParallelMode.DATA)[src_rank]
self.dtype = dtype
device = init_device or get_current_device()
if force_data_on_cuda:
self.data = torch.empty(chunk_size, dtype=dtype, device=get_current_device())
self._cpu_data = torch.empty(chunk_size, dtype=dtype)
if device.type == 'cuda':
free_storage(self._cpu_data)
else:
free_storage(self.data)
else:
self.data = torch.empty(chunk_size, dtype=dtype, device=device)
self._cpu_data = None
# we only keep the chunk in full in the process by which the tensor is owned
if not self.is_src_rank:
free_storage(self._payload)
# each tensor is associated with a TensorInfo to track meta info
self.tensors_info: Dict[torch.Tensor, TensorInfo] = {}
self.mem = self.size * self.data.element_size()
def append(self, tensor: torch.Tensor) -> None:
"""
Add a tensor to the chunk.
Args:
tensor (torch.Tensor): a tensor to be added to the chunk
"""
assert tensor.dtype == self.dtype
new_utilized_size = self.utilized_size + tensor.numel()
# raise exception when the chunk size is exceeded
if new_utilized_size > self.size:
raise ChunkFullError
# set tensor state
tensor_state = TensorState.FREE
# if the process owns the rank, then copy the tensor to its chunk buffer
# otherwise set its storage size to 0 to reduce memory consumption
if self.is_src_rank:
self._payload[self.utilized_size:new_utilized_size].copy_(tensor.flatten())
tensor_state = TensorState.HOLD
assert type(self._payload) == torch.Tensor, "copy_tensor_to_chunk_slice must use a torch tensor"
tensor.data = self._payload[self.utilized_size:new_utilized_size].view(tensor.shape)
else:
tensor.storage().resize_(0)
self.tensors_info[tensor] = TensorInfo(tensor_state, self.utilized_size, new_utilized_size)
self.utilized_size = new_utilized_size
def release(self) -> None:
"""
Release the memory space on processes which do not own the chunk.
"""
if not self.is_src_rank:
free_storage(self._payload)
self._update_tensors_state(TensorState.FREE)
def _update_tensors_ptr(self) -> None:
assert type(self._payload) == torch.Tensor
for tensor, tensor_info in self.tensors_info.items():
tensor.data = self._payload[tensor_info.offset:tensor_info.end].view(tensor.shape)
def _update_tensors_state(self, next_state: TensorState, prev_state: Optional[TensorState] = None):
for tensor_info in self.tensors_info.values():
if prev_state is None or tensor_info.state == prev_state:
tensor_info.state = next_state
def access(self) -> None:
"""
Broadcast the chunk to synchronize the tensors across data parallel processes.
"""
# recover the chunk on non-owner processes
# and broadcast the chunk from the source to all processes
if not self.is_src_rank:
alloc_storage(self._payload)
self.move_device(get_current_device(), update_ptr=False)
dist.broadcast(self.data, self.global_src_rank, group=gpc.get_group(ParallelMode.DATA))
# update tensor meta info
self._update_tensors_ptr()
if not self.is_src_rank:
self._update_tensors_state(TensorState.HOLD, prev_state=TensorState.FREE)
def move_device(self, device: torch.device, update_ptr: bool = True) -> None:
"""
Move the chunk to a target device.
Args:
device (torch.device): the target device for data movement.
"""
if self._payload.device == device:
return
if self._cpu_data is None:
self.data.data = self.data.to(device)
else:
if device.type == 'cuda':
# cpu -> cuda
src = self._cpu_data
dest = self.data
else:
# cuda -> cpu
src = self.data
dest = self._cpu_data
alloc_storage(dest)
dest.copy_(src)
free_storage(src)
if update_ptr:
self._update_tensors_ptr()
def reduce(self, is_all_reduce: bool = False) -> None:
"""
Reduce or all-reduce the chunk.
Args:
is_all_reduce (bool): optional, whether to all-reduce the chunk. The default is false.
"""
self.move_device(get_current_device(), update_ptr=False)
if is_all_reduce:
dist.all_reduce(self.data, group=gpc.get_group(ParallelMode.DATA))
else:
dist.reduce(self.data, self.global_src_rank, group=gpc.get_group(ParallelMode.DATA))
self._update_tensors_ptr()
self._update_tensors_state(TensorState.HOLD)
def tensor_trans_state(self, tensor: torch.Tensor, tensor_state: TensorState) -> None:
"""
Make a transition of the tensor into the next state.
Args:
tensor (torch.Tensor): a torch Tensor object.
tensor_state (TensorState): the target state for transition.
"""
assert tensor != TensorState.FREE, 'Can only set a chunk of tensors to FREE'
# As the gradient hook can be triggered either before or after post-backward
# tensor's state can be compute -> hold_after_bwd -> ready_for_reduce
# or compute -> ready_for_reduce -> hold_after_bwd
# the second one is invalid, we just ignore ready_for_reduce -> hold_after_bwd
# this function only apply valid state transformation
# invalid calls will be ignored and nothing changes
if (self.tensors_info[tensor].state, tensor_state) not in STATE_TRANS:
# print(
# f'WARNING: Rank{gpc.get_global_rank()} apply invalid state trans: {self.tensors_info[tensor].state} to {tensor_state}'
# )
return
self.tensors_info[tensor].state = tensor_state
def copy_tensor_to_chunk_slice(self, tensor: torch.Tensor, data_slice: torch.Tensor) -> None:
"""
Copy data slice to the memory space indexed by the input tensor in the chunk.
Args:
tensor (torch.Tensor): the tensor used to retrive meta information
data_slice (torch.Tensor): the tensor to be copied to the chunk
"""
tensor_info = self.tensors_info[tensor]
self._payload[tensor_info.offset:tensor_info.end].copy_(data_slice.flatten())
tensor.data = self._payload[tensor_info.offset:tensor_info.end].view(tensor.shape)
@property
def can_release(self) -> bool:
"""
Check whether the chunk can be released.
"""
for tensor_info in self.tensors_info.values():
if tensor_info.state != TensorState.HOLD:
return False
return True
@property
def can_move_device(self) -> bool:
"""
Check whether the chunk can be moved across devices.
"""
for tensor_info in self.tensors_info.values():
if tensor_info.state in (TensorState.COMPUTE, TensorState.READY_FOR_REDUCE):
return False
return True
@property
def can_reduce(self) -> bool:
"""
Check whether the chunk can be reduced.
"""
for tensor_info in self.tensors_info.values():
if tensor_info.state != TensorState.READY_FOR_REDUCE:
return False
return True
@property
def is_empty(self) -> bool:
"""
Check whether the chunk is empty.
"""
return is_storage_empty(self._payload)
def __repr__(self) -> str:
return f'Chunk: src rank={self.src_rank} ,size={self.size}, utilization={self.utilized_size/self.size*100:.2f}%, freed={self.is_empty}, tensor states={[info.state.name for info in self.tensors_info.values()]}'
@property
def has_inf_or_nan(self) -> bool:
"""
Check if the chunk has inf or nan values.
"""
return torch.isinf(self._payload[:self.utilized_size]).any().item() or \
torch.isnan(self._payload[:self.utilized_size]).any().item()
def copy_(self, dest_chunk: 'Chunk'):
"""
Copy the data of this chunk to a destination chunk.
"""
assert not self.is_empty
assert not dest_chunk.is_empty
assert self.size == dest_chunk.size
assert self.utilized_size == dest_chunk.utilized_size
self._payload.copy_(dest_chunk._payload)
self._update_tensors_ptr()
@property
def device_type(self) -> str:
"""
Get the device type of the chunk.
"""
return self._payload.device.type
def __hash__(self) -> int:
return hash(id(self))
def __eq__(self, __o: object) -> bool:
return self is __o
def get_tensors(self) -> List[torch.Tensor]:
return list(self.tensors_info.keys())
@property
def _payload(self) -> torch.Tensor:
if self._cpu_data is None or is_storage_empty(self._cpu_data):
return self.data
return self._cpu_data

313
colossalai/tensor/chunk.py → colossalai/gemini/chunk_mgr.py
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@ -1,318 +1,11 @@
import torch
import torch.distributed as dist
from dataclasses import dataclass
from enum import Enum
from typing import Optional, Dict, Deque, Set, List, Tuple, Iterable
from collections import deque
from colossalai.core import global_context as gpc
from colossalai.context import ParallelMode
from colossalai.core import global_context as gpc
from colossalai.utils import get_current_device
class TensorState(Enum):
FREE = 0
COMPUTE = 1
HOLD = 2
HOLD_AFTER_BWD = 3
READY_FOR_REDUCE = 4
STATE_TRANS = ((TensorState.FREE, TensorState.HOLD), (TensorState.FREE, TensorState.COMPUTE),
(TensorState.HOLD, TensorState.FREE), (TensorState.HOLD, TensorState.COMPUTE),
(TensorState.COMPUTE, TensorState.HOLD), (TensorState.COMPUTE, TensorState.HOLD_AFTER_BWD),
(TensorState.COMPUTE, TensorState.READY_FOR_REDUCE), (TensorState.HOLD_AFTER_BWD, TensorState.COMPUTE),
(TensorState.HOLD_AFTER_BWD, TensorState.READY_FOR_REDUCE), (TensorState.READY_FOR_REDUCE,
TensorState.HOLD))
@dataclass
class TensorInfo:
state: TensorState
offset: int
end: int
class ChunkFullError(Exception):
pass
def is_storage_empty(tensor: torch.Tensor) -> bool:
return tensor.storage().size() == 0
def free_storage(tensor: torch.Tensor) -> None:
if not is_storage_empty(tensor):
tensor.storage().resize_(0)
def alloc_storage(tensor: torch.Tensor) -> None:
if is_storage_empty(tensor):
tensor.storage().resize_(tensor.numel())
class Chunk:
"""
A chunk is a contiguous memory space which contains multiple tensors.
Args:
chunk_size (int): the number of elements in a chunk
src_rank (int): the process which owns the chunk
dtype (torch.dtype): the data type of the chunk
init_device (torch.device): optional, the device where the tensor is initialized. The default value is None, which is the current GPU.
force_data_on_cuda (bool): optional, if True, chunk.data is always on cuda. Defaults to False.
"""
def __init__(self,
chunk_size: int,
src_rank: int,
dtype: torch.dtype,
init_device: Optional[torch.device] = None,
force_data_on_cuda: bool = False) -> None:
self.size = chunk_size
self.utilized_size = 0
self.src_rank = src_rank
self.is_src_rank = gpc.get_local_rank(ParallelMode.DATA) == src_rank
self.global_src_rank = gpc.get_ranks_in_group(ParallelMode.DATA)[src_rank]
self.dtype = dtype
device = init_device or get_current_device()
if force_data_on_cuda:
self.data = torch.empty(chunk_size, dtype=dtype, device=get_current_device())
self._cpu_data = torch.empty(chunk_size, dtype=dtype)
if device.type == 'cuda':
free_storage(self._cpu_data)
else:
free_storage(self.data)
else:
self.data = torch.empty(chunk_size, dtype=dtype, device=device)
self._cpu_data = None
# we only keep the chunk in full in the process by which the tensor is owned
if not self.is_src_rank:
free_storage(self._payload)
# each tensor is associated with a TensorInfo to track meta info
self.tensors_info: Dict[torch.Tensor, TensorInfo] = {}
self.mem = self.size * self.data.element_size()
def append(self, tensor: torch.Tensor) -> None:
"""
Add a tensor to the chunk.
Args:
tensor (torch.Tensor): a tensor to be added to the chunk
"""
assert tensor.dtype == self.dtype
new_utilized_size = self.utilized_size + tensor.numel()
# raise exception when the chunk size is exceeded
if new_utilized_size > self.size:
raise ChunkFullError
# set tensor state
tensor_state = TensorState.FREE
# if the process owns the rank, then copy the tensor to its chunk buffer
# otherwise set its storage size to 0 to reduce memory consumption
if self.is_src_rank:
self._payload[self.utilized_size:new_utilized_size].copy_(tensor.flatten())
tensor_state = TensorState.HOLD
assert type(self._payload) == torch.Tensor, "copy_tensor_to_chunk_slice must use a torch tensor"
tensor.data = self._payload[self.utilized_size:new_utilized_size].view(tensor.shape)
else:
tensor.storage().resize_(0)
self.tensors_info[tensor] = TensorInfo(tensor_state, self.utilized_size, new_utilized_size)
self.utilized_size = new_utilized_size
def release(self) -> None:
"""
Release the memory space on processes which do not own the chunk.
"""
if not self.is_src_rank:
free_storage(self._payload)
self._update_tensors_state(TensorState.FREE)
def _update_tensors_ptr(self) -> None:
assert type(self._payload) == torch.Tensor
for tensor, tensor_info in self.tensors_info.items():
tensor.data = self._payload[tensor_info.offset:tensor_info.end].view(tensor.shape)
def _update_tensors_state(self, next_state: TensorState, prev_state: Optional[TensorState] = None):
for tensor_info in self.tensors_info.values():
if prev_state is None or tensor_info.state == prev_state:
tensor_info.state = next_state
def access(self) -> None:
"""
Broadcast the chunk to synchronize the tensors across data parallel processes.
"""
# recover the chunk on non-owner processes
# and broadcast the chunk from the source to all processes
if not self.is_src_rank:
alloc_storage(self._payload)
self.move_device(get_current_device(), update_ptr=False)
dist.broadcast(self.data, self.global_src_rank, group=gpc.get_group(ParallelMode.DATA))
# update tensor meta info
self._update_tensors_ptr()
if not self.is_src_rank:
self._update_tensors_state(TensorState.HOLD, prev_state=TensorState.FREE)
def move_device(self, device: torch.device, update_ptr: bool = True) -> None:
"""
Move the chunk to a target device.
Args:
device (torch.device): the target device for data movement.
"""
if self._payload.device == device:
return
if self._cpu_data is None:
self.data.data = self.data.to(device)
else:
if device.type == 'cuda':
# cpu -> cuda
src = self._cpu_data
dest = self.data
else:
# cuda -> cpu
src = self.data
dest = self._cpu_data
alloc_storage(dest)
dest.copy_(src)
free_storage(src)
if update_ptr:
self._update_tensors_ptr()
def reduce(self, is_all_reduce: bool = False) -> None:
"""
Reduce or all-reduce the chunk.
Args:
is_all_reduce (bool): optional, whether to all-reduce the chunk. The default is false.
"""
self.move_device(get_current_device(), update_ptr=False)
if is_all_reduce:
dist.all_reduce(self.data, group=gpc.get_group(ParallelMode.DATA))
else:
dist.reduce(self.data, self.global_src_rank, group=gpc.get_group(ParallelMode.DATA))
self._update_tensors_ptr()
self._update_tensors_state(TensorState.HOLD)
def tensor_trans_state(self, tensor: torch.Tensor, tensor_state: TensorState) -> None:
"""
Make a transition of the tensor into the next state.
Args:
tensor (torch.Tensor): a torch Tensor object.
tensor_state (TensorState): the target state for transition.
"""
assert tensor != TensorState.FREE, 'Can only set a chunk of tensors to FREE'
# As the gradient hook can be triggered either before or after post-backward
# tensor's state can be compute -> hold_after_bwd -> ready_for_reduce
# or compute -> ready_for_reduce -> hold_after_bwd
# the second one is invalid, we just ignore ready_for_reduce -> hold_after_bwd
# this function only apply valid state transformation
# invalid calls will be ignored and nothing changes
if (self.tensors_info[tensor].state, tensor_state) not in STATE_TRANS:
# print(
# f'WARNING: Rank{gpc.get_global_rank()} apply invalid state trans: {self.tensors_info[tensor].state} to {tensor_state}'
# )
return
self.tensors_info[tensor].state = tensor_state
def copy_tensor_to_chunk_slice(self, tensor: torch.Tensor, data_slice: torch.Tensor) -> None:
"""
Copy data slice to the memory space indexed by the input tensor in the chunk.
Args:
tensor (torch.Tensor): the tensor used to retrive meta information
data_slice (torch.Tensor): the tensor to be copied to the chunk
"""
tensor_info = self.tensors_info[tensor]
self._payload[tensor_info.offset:tensor_info.end].copy_(data_slice.flatten())
tensor.data = self._payload[tensor_info.offset:tensor_info.end].view(tensor.shape)
@property
def can_release(self) -> bool:
"""
Check whether the chunk can be released.
"""
for tensor_info in self.tensors_info.values():
if tensor_info.state != TensorState.HOLD:
return False
return True
@property
def can_move_device(self) -> bool:
"""
Check whether the chunk can be moved across devices.
"""
for tensor_info in self.tensors_info.values():
if tensor_info.state in (TensorState.COMPUTE, TensorState.READY_FOR_REDUCE):
return False
return True
@property
def can_reduce(self) -> bool:
"""
Check whether the chunk can be reduced.
"""
for tensor_info in self.tensors_info.values():
if tensor_info.state != TensorState.READY_FOR_REDUCE:
return False
return True
@property
def is_empty(self) -> bool:
"""
Check whether the chunk is empty.
"""
return is_storage_empty(self._payload)
def __repr__(self) -> str:
return f'Chunk: src rank={self.src_rank} ,size={self.size}, utilization={self.utilized_size/self.size*100:.2f}%, freed={self.is_empty}, tensor states={[info.state.name for info in self.tensors_info.values()]}'
@property
def has_inf_or_nan(self) -> bool:
"""
Check if the chunk has inf or nan values.
"""
return torch.isinf(self._payload[:self.utilized_size]).any().item() or \
torch.isnan(self._payload[:self.utilized_size]).any().item()
def copy_(self, dest_chunk: 'Chunk'):
"""
Copy the data of this chunk to a destination chunk.
"""
assert not self.is_empty
assert not dest_chunk.is_empty
assert self.size == dest_chunk.size
assert self.utilized_size == dest_chunk.utilized_size
self._payload.copy_(dest_chunk._payload)
self._update_tensors_ptr()
@property
def device_type(self) -> str:
"""
Get the device type of the chunk.
"""
return self._payload.device.type
def __hash__(self) -> int:
return hash(id(self))
def __eq__(self, __o: object) -> bool:
return self is __o
def get_tensors(self) -> List[torch.Tensor]:
return list(self.tensors_info.keys())
@property
def _payload(self) -> torch.Tensor:
if self._cpu_data is None or is_storage_empty(self._cpu_data):
return self.data
return self._cpu_data
from .chunk import Chunk, ChunkFullError, TensorState
class ChunkManager:

4
colossalai/gemini/gemini_mgr.py
View File

@ -3,8 +3,8 @@ import functools
from .memory_tracer.memstats_collector import MemStatsCollectorV2
from typing import List, Optional, Tuple
from time import time
from colossalai.tensor.chunk import Chunk, ChunkManager
from .placement_policy import PlacementPolicy, PlacementPolicyFactory
from colossalai.gemini import Chunk, ChunkManager
from .placement_policy import PlacementPolicyFactory
class GeminiManager:

2
colossalai/gemini/memory_tracer/memstats_collector.py
View File

@ -2,7 +2,7 @@ from colossalai.gemini.memory_tracer import SyncCudaMemoryMonitor
from colossalai.utils.memory import colo_device_memory_used, colo_device_memory_capacity
from colossalai.utils import get_current_device
from colossalai.gemini.stateful_tensor import StatefulTensor
from colossalai.tensor import ChunkManager
from colossalai.gemini import ChunkManager
import torch
import time

2
colossalai/gemini/placement_policy.py
View File

@ -8,7 +8,7 @@ from colossalai.utils.memory import colo_device_memory_capacity
from colossalai.gemini.memory_tracer.memstats_collector import MemStatsCollectorV2
from typing import Type
import functools
from colossalai.tensor.chunk import Chunk, ChunkManager
from colossalai.gemini import Chunk, ChunkManager
class PlacementPolicy(ABC):

2
colossalai/nn/parallel/data_parallel.py
View File

@ -5,7 +5,7 @@ from colossalai.core import global_context as gpc
from colossalai.context import ParallelMode
from functools import partial
from colossalai.zero.utils.zero_hook_v2 import ZeROHookV2
from colossalai.tensor.chunk import TensorState, Chunk
from colossalai.gemini.chunk import TensorState, Chunk
from colossalai.tensor.param_op_hook import ParamOpHookManager
from colossalai.gemini.gemini_mgr import GeminiManager
from typing import Dict, Iterable, List, Optional

1
colossalai/tensor/__init__.py
View File

@ -5,7 +5,6 @@ from .colo_parameter import ColoParameter
from .utils import convert_parameter, named_params_with_colotensor
from .dist_spec_mgr import DistSpecManager
from .param_op_hook import ParamOpHook, ParamOpHookManager
from .chunk import ChunkManager, TensorState
from . import distspec
from .process_group import ProcessGroup

2
colossalai/zero/utils/zero_hook_v2.py
View File

@ -1,6 +1,6 @@
import torch
from colossalai.tensor.param_op_hook import ParamOpHook
from colossalai.tensor.chunk import ChunkManager, TensorState
from colossalai.gemini import TensorState
from enum import Enum
from typing import List
from contextlib import contextmanager

2
tests/test_ddp/test_ddp_ignore_params.py
View File

@ -6,7 +6,7 @@ from colossalai.testing import rerun_if_address_is_in_use
from colossalai.utils.cuda import get_current_device
from colossalai.utils import free_port
from colossalai.utils.model.colo_init_context import ColoInitContext
from colossalai.tensor import ChunkManager
from colossalai.gemini import ChunkManager
from functools import partial
from colossalai.nn.parallel import ColoDDP, ZeroDDP
from colossalai.gemini.gemini_mgr import GeminiManager

2
tests/test_ddp/test_ddp_state_dict.py
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@ -6,7 +6,7 @@ from colossalai.testing import rerun_if_address_is_in_use
from colossalai.utils.cuda import get_current_device
from colossalai.utils import free_port
from colossalai.utils.model.colo_init_context import ColoInitContext
from colossalai.tensor import ChunkManager
from colossalai.gemini import ChunkManager
from functools import partial
from tests.components_to_test.registry import non_distributed_component_funcs
from colossalai.nn.parallel import ZeroDDP, ColoDDP

7
tests/test_ddp/test_reducer.py
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@ -5,14 +5,7 @@ import torch.multiprocessing as mp
from colossalai.testing import rerun_if_address_is_in_use
from colossalai.utils.cuda import get_current_device
from colossalai.utils import free_port
from colossalai.utils.model.colo_init_context import ColoInitContext
from colossalai.tensor import ChunkManager
from functools import partial
from tests.components_to_test.registry import non_distributed_component_funcs
from colossalai.nn.parallel import ZeroDDP, ColoDDP
from colossalai.gemini.gemini_mgr import GeminiManager
from typing import Callable
from collections import OrderedDict
from colossalai.nn.parallel.reducer import Reducer
import torch.distributed as dist
from torch.distributed.distributed_c10d import _get_default_group

2
tests/test_tensor/test_chunk.py
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@ -4,7 +4,7 @@ import pytest
import torch.multiprocessing as mp
from typing import List
from functools import partial
from colossalai.tensor import ChunkManager
from colossalai.gemini import ChunkManager
from colossalai.testing import rerun_if_address_is_in_use, parameterize
from colossalai.utils import free_port
from colossalai.core import global_context as gpc

2
tests/test_tensor/test_zero_optim.py
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@ -7,7 +7,7 @@ from colossalai.testing import rerun_if_address_is_in_use
from colossalai.utils.cuda import get_current_device
from colossalai.utils import free_port
from colossalai.utils.model.colo_init_context import ColoInitContext
from colossalai.tensor import ChunkManager
from colossalai.gemini import ChunkManager
from colossalai.core import global_context as gpc
from functools import partial
from _utils import tensor_equal, set_seed, tensor_shard_equal

3
tests/test_zero/test_zero_optim_state_dict.py
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@ -7,13 +7,12 @@ from colossalai.testing import rerun_if_address_is_in_use
from colossalai.utils.cuda import get_current_device
from colossalai.utils import free_port
from colossalai.utils.model.colo_init_context import ColoInitContext
from colossalai.tensor import ChunkManager
from colossalai.core import global_context as gpc
from functools import partial
from tests.test_tensor._utils import set_seed
from tests.components_to_test.registry import non_distributed_component_funcs
from colossalai.nn.parallel.data_parallel import ZeroDDP
from colossalai.gemini import GeminiManager
from colossalai.gemini import ChunkManager, GeminiManager
from colossalai.testing import parameterize
from colossalai.nn.optimizer import HybridAdam
from colossalai.zero import ZeroOptimizer