[test] fixed tests failed due to dtensor change (#4082)

* [test] fixed tests failed due to dtensor change

* polish code

colossalai/auto_parallel/tensor_shard/node_handler/node_handler.py

@@ -188,7 +188,7 @@ class NodeHandler(ABC):
         remove_strategy_list = []
         for strategy in self.strategies_vector:
             shard_axis_list = []
-            last_axis = len(self.device_mesh.mesh_shape) - 1
+            last_axis = len(self.device_mesh.shape) - 1
             for op_data, sharding_spec in strategy.sharding_specs.items():
                 if op_data.data is not None and isinstance(op_data.data, torch.Tensor):
                     for dim, shard_axes in sharding_spec.dim_partition_dict.items():

colossalai/auto_parallel/tensor_shard/node_handler/strategy/matmul_strategy_generator.py

@@ -984,7 +984,7 @@ class BatchedMatMulStrategyGenerator(MatMulStrategyGenerator):
     def collate_strategies(self) -> List[ShardingStrategy]:
         strategy_list = []
         device_mesh_is_1d = True
-        if len(self.device_mesh.mesh_shape) == 2 and 1 not in self.device_mesh.mesh_shape:
+        if len(self.device_mesh.shape) == 2 and 1 not in self.device_mesh.shape:
             device_mesh_is_1d = False
 
         if device_mesh_is_1d:
@@ -992,10 +992,10 @@ class BatchedMatMulStrategyGenerator(MatMulStrategyGenerator):
             # Sb = Sb x Sb
             # can be None as it is only for 1D device mesh
             # only for 1D device mesh
-            if len(self.device_mesh.mesh_shape) == 1:
+            if len(self.device_mesh.shape) == 1:
                 mesh_dim = 0
             else:
-                mesh_dim = self.device_mesh.mesh_shape.index(1)
+                mesh_dim = self.device_mesh.shape.index(1)
             strategy_list.append(self.split_one_batch_dim(mesh_dim))
         else:
             # for 2D device mesh

colossalai/auto_parallel/tensor_shard/utils/misc.py

@@ -46,8 +46,8 @@ def check_sharding_spec_validity(sharding_spec: ShardingSpec, tensor: torch.Tens
     # make sure all dims are covered in sharding spec
     sharding_len = len(sharding_spec.sharding_sequence)
     tensor_num_dim = tensor.dim()
-    num_devices_in_col = sharding_spec.device_mesh.mesh_shape[0]
-    num_devices_in_row = sharding_spec.device_mesh.mesh_shape[1]
+    num_devices_in_col = sharding_spec.device_mesh.shape[0]
+    num_devices_in_row = sharding_spec.device_mesh.shape[1]
     assert sharding_len == tensor_num_dim, \
         f'The ShardingSpec ({sharding_spec.sharding_sequence}) is created for {sharding_len}-dimension tensor, but the given tensor is {tensor_num_dim}-dimension ({tensor.shape}).'
 

colossalai/checkpoint_io/utils.py

@@ -99,7 +99,7 @@ def shard_model_checkpoint(state_dict: torch.Tensor, max_shard_size: int = 1024)
     for key, weight in state_dict.items():
         ret_block = None
         ret_block_size = 0
-        if is_distributed_tensor(weight):
+        if not is_distributed_tensor(weight):
             weight_size = calculate_tensor_size(weight)
 
             # If this weight is going to tip up over the maximal size, we split.
@@ -146,7 +146,7 @@ def shard_optimizer_checkpoint(state_dict: dict, max_shard_size: int = 1024) ->
                 continue
 
             # If the states are stored as DTensors, mark isDTensor as true.
-            if type(state_tensor) == DTensor:
+            if is_distributed_tensor(state_tensor):
                 isDTensor = True
             state_size += calculate_tensor_size(state_tensor)
 

colossalai/lazy/lazy_init.py

 from types import MethodType
-from typing import Callable, Optional, Union
+from typing import Callable, Dict, Optional, Union
 
 import torch
 import torch.distributed as dist
@@ -173,7 +173,7 @@ class LazyTensor(torch.Tensor):
         self.clean()
         return _convert_cls(self, target)
 
-    def distribute(self, layout: Layout) -> torch.Tensor:
+    def distribute(self, device_mesh: DeviceMesh, sharding_spec: ShardingSpec) -> torch.Tensor:
         """Distribute the ``LazyTensor`` to ``torch.Tensor`` by modifying __class__ (inplace), according to the layout.
 
         Args:
@@ -537,7 +537,10 @@ class LazyInitContext:
         return _apply_to_lazy_module(module, apply_fn, verbose)
 
     @staticmethod
-    def distribute(module: nn.Module, layout_dict: dict, verbose: bool = False) -> nn.Module:
+    def distribute(module: nn.Module,
+                   device_mesh: DeviceMesh,
+                   sharding_spec_dict: Dict[str, ShardingSpec],
+                   verbose: bool = False) -> nn.Module:
         """Distribute all ``nn.Parameter`` from ``LazyTensor``. This function will modify the module in-place.
 
         Args:
@@ -547,7 +550,7 @@ class LazyInitContext:
         """
 
         def apply_fn(name: str, p: LazyTensor):
-            p.distribute(layout_dict[name])
+            p.distribute(device_mesh, sharding_spec_dict[name])
 
         return _apply_to_lazy_module(module, apply_fn, verbose)
 

colossalai/tensor/comm_spec.py

@@ -16,12 +16,12 @@ def _all_gather(tensor, comm_spec):
     '''
     Implement all gather operation on device mesh based on information provided by comm_spec.
     '''
-    process_groups_list = comm_spec.device_mesh.process_groups_dict[comm_spec.logical_process_axis]
-    for rank_list, process_group in process_groups_list:
-        if dist.get_rank() in rank_list:
+    process_groups = comm_spec.device_mesh.get_process_group_for_all_axes()
+    process_group = process_groups[comm_spec.logical_process_axis]
+
     tensor_list = [
         torch.zeros(tensor.shape, dtype=tensor.dtype, device=tensor.device)
-                for _ in range(comm_spec.device_mesh.mesh_shape[comm_spec.logical_process_axis])
+        for _ in range(comm_spec.device_mesh.shape[comm_spec.logical_process_axis])
     ]
     # without this contiguous operation, the all gather may get some unexpected results.
     tensor = tensor.contiguous()
@@ -34,12 +34,12 @@ def _split(tensor, comm_spec):
     '''
     Implement shard operation on device mesh based on information provided by comm_spec.
     '''
-    process_groups_list = comm_spec.device_mesh.process_groups_dict[comm_spec.logical_process_axis]
-    for rank_list, _ in process_groups_list:
-        if dist.get_rank() in rank_list:
+    process_groups = comm_spec.device_mesh.get_process_group_for_all_axes()
+    process_group = process_groups[comm_spec.logical_process_axis]
+
     dim = comm_spec.shard_dim
-            length = tensor.shape[comm_spec.shard_dim] // len(rank_list)
-            start = length * rank_list.index(dist.get_rank())
+    length = tensor.shape[comm_spec.shard_dim] // dist.get_world_size(process_group)
+    start = length * dist.get_rank(process_group)
     output = torch.narrow(tensor, dim, start, length).contiguous()
     return output
 
@@ -48,20 +48,17 @@ def _all_to_all(tensor, comm_spec):
     '''
     Implement all to all operation on device mesh based on information provided by comm_spec.
     '''
-    process_groups_list = comm_spec.device_mesh.process_groups_dict[comm_spec.logical_process_axis]
-    for rank_list, process_group in process_groups_list:
-        if dist.get_rank() in rank_list:
+    process_groups = comm_spec.device_mesh.get_process_group_for_all_axes()
+    process_group = process_groups[comm_spec.logical_process_axis]
+    world_size = dist.get_world_size(process_group)
+
     new_shape = list(tensor.shape)
-            new_shape[comm_spec.shard_dim] = new_shape[comm_spec.shard_dim] // len(rank_list)
+    new_shape[comm_spec.shard_dim] = new_shape[comm_spec.shard_dim] // world_size
     new_shape = torch.Size(new_shape)
-            output_tensor_list = [
-                torch.zeros(new_shape, dtype=tensor.dtype, device=tensor.device) for _ in range(len(rank_list))
-            ]
+    output_tensor_list = [torch.zeros(new_shape, dtype=tensor.dtype, device=tensor.device) for _ in range(world_size)]
     dim = comm_spec.shard_dim
-            length = tensor.shape[comm_spec.shard_dim] // len(rank_list)
-            input_tensor_list = [
-                torch.narrow(tensor, dim, length * i, length).contiguous() for i in range(len(rank_list))
-            ]
+    length = tensor.shape[comm_spec.shard_dim] // world_size
+    input_tensor_list = [torch.narrow(tensor, dim, length * i, length).contiguous() for i in range(world_size)]
     group = process_group
     dist.all_to_all(output_tensor_list, input_tensor_list, group)
     output = torch.cat(tuple(output_tensor_list), comm_spec.gather_dim).contiguous()
@@ -72,9 +69,9 @@ def _all_reduce(tensor, comm_spec, async_op=False):
     '''
     Implement all reduce operation on device mesh based on information provided by comm_spec.
     '''
-    process_groups_list = comm_spec.device_mesh.process_groups_dict[comm_spec.logical_process_axis]
-    for rank_list, process_group in process_groups_list:
-        if dist.get_rank() in rank_list:
+    process_groups = comm_spec.device_mesh.get_process_group_for_all_axes()
+    process_group = process_groups[comm_spec.logical_process_axis]
+
     if not tensor.is_contiguous():
         tensor = tensor.contiguous()
     dist.all_reduce(tensor, op=ReduceOp.SUM, group=process_group, async_op=async_op)
@@ -128,7 +125,7 @@ def _mix_gather(tensor, comm_spec):
     process_group = "[0, 1, 2, 3, 4, 5, 6, 7]"
     tensor_list = [(0,0),(1,0),(2,0),(3,0),(4,0),(5,0),(6,0),(7,0)]
     '''
-    total_slices = comm_spec.device_mesh.mesh_shape[0]
+    total_slices = comm_spec.device_mesh.shape[0]
     tensor_list = [torch.zeros(tensor.shape, dtype=tensor.dtype, device=tensor.device) for _ in range(total_slices)]
     leading_group_dim = comm_spec.logical_process_axes[0]
     assert len(comm_spec.device_mesh.process_groups_dict) == 1
@@ -149,7 +146,7 @@ def _mix_gather(tensor, comm_spec):
     if comm_spec.logical_process_axes[0] == comm_spec.logical_process_axes[1]:
         output = torch.cat(tuple(tensor_list), comm_spec.gather_dim[0]).contiguous()
     else:
-        mesh_shape = comm_spec.device_meshes.mesh_shape
+        mesh_shape = comm_spec.device_meshes.shape
         cat_slice = [mesh_shape[comm_spec.logical_process_axes[0]], mesh_shape[comm_spec.logical_process_axes[1]]]
         tmp_tensor_shape = list(tensor.shape)
         tmp_tensor_shape[comm_spec.gather_dim[0]] *= cat_slice[0]
@@ -181,9 +178,9 @@ def _mix_split(tensor, comm_spec):
             #  [4, 5, 6, 7]]
             # return {0: [0, 4, 1, 5, 2, 6, 3, 7], 1: [0, 1, 2, 3, 4, 5, 6, 7]}
     '''
-    mesh_shape = comm_spec.device_meshes.mesh_shape
+    mesh_shape = comm_spec.device_meshes.shape
     dim = comm_spec.gather_dim
-    total_slices = comm_spec.device_mesh.mesh_shape[0]
+    total_slices = comm_spec.device_mesh.shape[0]
 
     # Get global rank
     rank = dist.get_rank()
@@ -414,7 +411,7 @@ class CommSpec:
         self.forward_only = forward_only
         if isinstance(self.logical_process_axis, list):
             if not mix_gather:
-                self.device_mesh = self.sharding_spec.device_mesh.flatten_device_mesh
+                self.device_mesh = self.sharding_spec.device_mesh.flatten()
                 self.logical_process_axis = 0
             else:
                 self.device_meshes = self.sharding_spec.device_mesh.flatten_device_meshes

colossalai/tensor/d_tensor/comm_spec.py

@@ -24,12 +24,12 @@ class CommSpec:
     '''
     Communication spec is used to record the communication action. It converts the communication spec
     to real action which will be used in runtime. It contains comm_pattern to determine the
-    communication method, process_groups_dict to determine the process groups, gather_dim and shard_dim
+    communication method, process_group_dict to determine the process groups, gather_dim and shard_dim
     to determine the buffer shape, and logical_process_axis
 
     Argument:
-        comm_pattern(CollectiveCommPattern): describe the communication method used in this spec.
-        process_groups_dict(Dict): A dict which contains the process groups used to apply this CommSpec.
+        comm_pattern(CollectiveCommPattern): decribe the communication method used in this spec.
+        process_group_dict(Dict): A dict which contains the process groups used to apply this CommSpec.
         gather_dim(int, Optional): The gather_dim of the tensor will be gathered.
         shard_dim(int, Optional): The shard_dim of the tensor will be sharded.
         logical_process_axis(Union(int, List[int]), Optional): The mesh_dim to implement the communication action.
@@ -37,7 +37,7 @@ class CommSpec:
 
     def __init__(self,
                  comm_pattern: CollectiveCommPattern,
-                 process_groups_dict: Dict,
+                 process_group_dict: Dict,
                  gather_dim: int = None,
                  shard_dim: int = None,
                  logical_process_axis: int = None):
@@ -45,7 +45,7 @@ class CommSpec:
         self.gather_dim = gather_dim
         self.shard_dim = shard_dim
         self.logical_process_axis = logical_process_axis
-        self.process_groups_dict = process_groups_dict
+        self.process_group_dict = process_group_dict
 
     def __repr__(self):
         res_list = ["CommSpec:("]
@@ -92,12 +92,9 @@ def _all_gather(tensor: torch.Tensor, comm_spec: CommSpec):
     '''
     Implement all gather operation on device mesh based on information provided by comm_spec.
     '''
-    process_groups_list = comm_spec.process_groups_dict[comm_spec.logical_process_axis]
-    for rank_list, process_group in process_groups_list:
-        if dist.get_rank() in rank_list:
-            tensor_list = [
-                torch.zeros(tensor.shape, dtype=tensor.dtype, device=tensor.device) for _ in range(len(rank_list))
-            ]
+    process_group = comm_spec.process_group_dict[comm_spec.logical_process_axis]
+    world_size = dist.get_world_size(process_group)
+    tensor_list = [torch.zeros(tensor.shape, dtype=tensor.dtype, device=tensor.device) for _ in range(world_size)]
     # without this contiguous operation, the all gather may get some unexpected results.
     tensor = tensor.contiguous()
     dist.all_gather(tensor_list, tensor, group=process_group)
@@ -109,12 +106,10 @@ def _split(tensor: torch.Tensor, comm_spec: CommSpec):
     '''
     Implement shard operation on device mesh based on information provided by comm_spec.
     '''
-    process_groups_list = comm_spec.process_groups_dict[comm_spec.logical_process_axis]
-    for rank_list, _ in process_groups_list:
-        if dist.get_rank() in rank_list:
+    process_group = comm_spec.process_group_dict[comm_spec.logical_process_axis]
     dim = comm_spec.shard_dim
-            length = tensor.shape[comm_spec.shard_dim] // len(rank_list)
-            start = length * rank_list.index(dist.get_rank())
+    length = tensor.shape[comm_spec.shard_dim] // dist.get_world_size(process_group)
+    start = length * dist.get_rank(process_group)
     output = torch.narrow(tensor, dim, start, length).contiguous()
     return output
 
@@ -123,20 +118,15 @@ def _all_to_all(tensor: torch.Tensor, comm_spec: CommSpec):
     '''
     Implement all to all operation on device mesh based on information provided by comm_spec.
     '''
-    process_groups_list = comm_spec.process_groups_dict[comm_spec.logical_process_axis]
-    for rank_list, process_group in process_groups_list:
-        if dist.get_rank() in rank_list:
+    process_group = comm_spec.process_group_dict[comm_spec.logical_process_axis]
+    world_size = dist.get_world_size(process_group)
     new_shape = list(tensor.shape)
-            new_shape[comm_spec.shard_dim] = new_shape[comm_spec.shard_dim] // len(rank_list)
+    new_shape[comm_spec.shard_dim] = new_shape[comm_spec.shard_dim] // world_size
     new_shape = torch.Size(new_shape)
-            output_tensor_list = [
-                torch.zeros(new_shape, dtype=tensor.dtype, device=tensor.device) for _ in range(len(rank_list))
-            ]
+    output_tensor_list = [torch.zeros(new_shape, dtype=tensor.dtype, device=tensor.device) for _ in range(world_size)]
     dim = comm_spec.shard_dim
-            length = tensor.shape[comm_spec.shard_dim] // len(rank_list)
-            input_tensor_list = [
-                torch.narrow(tensor, dim, length * i, length).contiguous() for i in range(len(rank_list))
-            ]
+    length = tensor.shape[comm_spec.shard_dim] // world_size
+    input_tensor_list = [torch.narrow(tensor, dim, length * i, length).contiguous() for i in range(world_size)]
     group = process_group
     dist.all_to_all(output_tensor_list, input_tensor_list, group)
     output = torch.cat(tuple(output_tensor_list), comm_spec.gather_dim).contiguous()
@@ -147,9 +137,7 @@ def _all_reduce(tensor: torch.Tensor, comm_spec: CommSpec, async_op: bool = Fals
     '''
     Implement all reduce operation on device mesh based on information provided by comm_spec.
     '''
-    process_groups_list = comm_spec.process_groups_dict[comm_spec.logical_process_axis]
-    for rank_list, process_group in process_groups_list:
-        if dist.get_rank() in rank_list:
+    process_group = comm_spec.process_group_dict[comm_spec.logical_process_axis]
     if not tensor.is_contiguous():
         tensor = tensor.contiguous()
     dist.all_reduce(tensor, op=ReduceOp.SUM, group=process_group, async_op=async_op)
@@ -269,7 +257,7 @@ class _AllToAll(torch.autograd.Function):
     def forward(ctx, input_, comm_spec):
         output = _all_to_all(input_, comm_spec)
         comm_spec_for_backward = CommSpec(comm_pattern=comm_spec.comm_pattern,
-                                          process_groups_dict=comm_spec.process_groups_dict,
+                                          process_group_dict=comm_spec.process_group_dict,
                                           gather_dim=comm_spec.shard_dim,
                                           shard_dim=comm_spec.gather_dim,
                                           logical_process_axis=comm_spec.logical_process_axis)

colossalai/tensor/d_tensor/layout.py

@@ -14,24 +14,21 @@ class Layout:
 
     Attributes:
         device_mesh: the device mesh to store the tensor distributed.
-        device_type: the type of the device mesh, e.g. 'cpu' or 'cuda'.
         sharding_spec: the sharding specification to describe how the tensor is sharded.
-        entire_shape: the entire shape of the global tensor.
+        global_shape: the entire shape of the global tensor.
     """
 
-    def __init__(self, device_mesh: DeviceMesh, device_type: torch.device, sharding_spec: ShardingSpec,
-                 entire_shape: torch.Size):
+    def __init__(self, device_mesh: DeviceMesh, sharding_spec: ShardingSpec, global_shape: torch.Size):
         self.device_mesh = device_mesh
-        self.device_type = device_type
         self.sharding_spec = sharding_spec
-        self.entire_shape = entire_shape
+        self.global_shape = global_shape
         self._sanity_check()
 
     def __hash__(self) -> int:
         return hash(f'{self.sharding_spec}')
 
     def get_sharded_shape_per_device(self):
-        sharded_shape = list(self.entire_shape)
+        sharded_shape = list(self.global_shape)
         for dim, shard_list in self.sharding_spec.dim_partition_dict.items():
             mesh_list = [self.device_mesh.shape[mesh_dim] for mesh_dim in shard_list]
             shard_partitions = reduce(operator.mul, mesh_list, 1)
@@ -56,7 +53,7 @@ class Layout:
 
         # make sure that the sharding for a dimension is divisible by the number of devices
         for dim, shard_list in sharding_spec.dim_partition_dict.items():
-            tensor_dim_size = self.entire_shape[dim]
+            tensor_dim_size = self.global_shape[dim]
             num_devices = 1
 
             for element in shard_list:

colossalai/tensor/d_tensor/layout_converter.py

@@ -3,10 +3,8 @@ from copy import deepcopy
 from dataclasses import dataclass
 from typing import Dict, List, Tuple
 
-import numpy as np
 import torch
 
-from colossalai.auto_parallel.tensor_shard.sharding_strategy import MemoryCost, TrainCycleItem
 from colossalai.context.singleton_meta import SingletonMeta
 from colossalai.tensor.d_tensor.comm_spec import *
 from colossalai.tensor.d_tensor.layout import Layout
@@ -37,6 +35,9 @@ def set_layout_converting_options(options: LayoutConverterOptions):
 
 
 class LayoutConverter(metaclass=SingletonMeta):
+    """
+    LayoutConverter is a singleton class which converts the layout of a distributed tensor.
+    """
 
     def __init__(self):
         self._options = None
@@ -79,15 +80,14 @@ class LayoutConverter(metaclass=SingletonMeta):
             # [[0, 1,
             #  [2, 3]]
             device_mesh = DeviceMesh(physical_mesh_id, mesh_shape, init_process_group=True)
-            entire_shape = (4, 4, 4)
+            global_shape = (4, 4, 4)
             dim_partition_dict = {0: [0], 1: [1]}
 
             # [S0,S1,R]
             sharding_spec = ShardingSpec(dim_size=3, dim_partition_dict=dim_partition_dict)
             layout = Layout(device_mesh=device_mesh,
-                            device_type=torch.device('cuda'),
                             sharding_spec=sharding_spec,
-                            entire_shape=entire_shape)
+                            global_shape=global_shape)
 
             rst_dict = layout_converter.all_gather_transform_layouts(layout)
             for layout, comm_spec in rst_dict.items():
@@ -100,7 +100,12 @@ class LayoutConverter(metaclass=SingletonMeta):
         valid_spec_dict = {}
         comm_pattern = CollectiveCommPattern.GATHER_FWD_SPLIT_BWD
         source_spec = source_layout.sharding_spec
-        process_groups_dict = source_layout.device_mesh.process_groups_dict
+
+        # the key of the dict is the axis
+        # the value is the process group
+        current_rank = source_layout.device_mesh._global_rank_of_current_process
+        process_group_dict = source_layout.device_mesh._process_group_dict[current_rank]
+
         for target_pair in source_spec.dim_partition_dict.items():
             shard_list = all_gather_simulator(target_pair)
             index = target_pair[0]
@@ -118,7 +123,7 @@ class LayoutConverter(metaclass=SingletonMeta):
             logical_process_axis = target_pair[1][-1]
             comm_spec = CommSpec(
                 comm_pattern,
-                process_groups_dict=process_groups_dict,
+                process_group_dict=process_group_dict,
                 gather_dim=gather_dim,
             # shard_dim will be used during backward
                 shard_dim=gather_dim,
@@ -129,8 +134,7 @@ class LayoutConverter(metaclass=SingletonMeta):
                 new_sharding_spec = ShardingSpec(source_spec.dims, dim_partition_dict=new_dim_partition_dict)
                 new_layout = Layout(device_mesh=source_layout.device_mesh,
                                     sharding_spec=new_sharding_spec,
-                                    device_type=source_layout.device_type,
-                                    entire_shape=source_layout.entire_shape)
+                                    global_shape=source_layout.global_shape)
 
                 valid_spec_dict[new_layout] = comm_spec
             except LayoutException:
@@ -155,15 +159,14 @@ class LayoutConverter(metaclass=SingletonMeta):
             # [[0, 1,
             #  [2, 3]]
             device_mesh = DeviceMesh(physical_mesh_id, mesh_shape, init_process_group=True)
-            entire_shape = (4, 4, 4)
+            global_shape = (4, 4, 4)
             dim_partition_dict = {0: [0], 1: [1]}
 
             # [S0,S1,R]
             sharding_spec = ShardingSpec(dim_size=3, dim_partition_dict=dim_partition_dict)
             layout = Layout(device_mesh=device_mesh,
-                                    device_type=torch.device('cuda'),
                                     sharding_spec=sharding_spec,
-                                    entire_shape=entire_shape)
+                                    global_shape=global_shape)
             rst_dict = layout_converter.all_to_all_transform_layout(layout)
 
             for layout, comm_spec in rst_dict.items():
@@ -176,7 +179,12 @@ class LayoutConverter(metaclass=SingletonMeta):
         '''
         valid_spec_dict = {}
         comm_pattern = CollectiveCommPattern.ALL2ALL_FWD_ALL2ALL_BWD
-        process_groups_dict = source_layout.device_mesh.process_groups_dict
+
+        # the key of the dict is the axis
+        # the value is the process group
+        current_rank = source_layout.device_mesh._global_rank_of_current_process
+        process_group_dict = source_layout.device_mesh._process_group_dict[current_rank]
+
         source_spec = source_layout.sharding_spec
         tensor_dims = source_spec.dims
         for f_index in range(tensor_dims - 1):
@@ -217,7 +225,7 @@ class LayoutConverter(metaclass=SingletonMeta):
                     shard_dim = f_index
                     logical_process_axis = b_target_pair[1][-1]
                 comm_spec = CommSpec(comm_pattern,
-                                     process_groups_dict,
+                                     process_group_dict=process_group_dict,
                                      gather_dim=gather_dim,
                                      shard_dim=shard_dim,
                                      logical_process_axis=logical_process_axis)
@@ -240,8 +248,7 @@ class LayoutConverter(metaclass=SingletonMeta):
                     new_sharding_spec = ShardingSpec(source_spec.dims, dim_partition_dict=new_dim_partition_dict)
                     new_layout = Layout(device_mesh=source_layout.device_mesh,
                                         sharding_spec=new_sharding_spec,
-                                        device_type=source_layout.device_type,
-                                        entire_shape=source_layout.entire_shape)
+                                        global_shape=source_layout.global_shape)
                     valid_spec_dict[new_layout] = comm_spec
                 except LayoutException:
                     pass
@@ -266,16 +273,15 @@ class LayoutConverter(metaclass=SingletonMeta):
             # [[0, 1,
             #  [2, 3]]
             device_mesh = DeviceMesh(physical_mesh_id, mesh_shape, init_process_group=True)
-            entire_shape = (4, 4, 4)
+            global_shape = (4, 4, 4)
 
             dim_partition_dict = {0: [0]}
 
             # [S0,R,R]
             sharding_spec = ShardingSpec(dim_size=3, dim_partition_dict=dim_partition_dict)
             layout = Layout(device_mesh=device_mesh,
-                          device_type=torch.device('cuda'),
                           sharding_spec=sharding_spec,
-                          entire_shape=entire_shape)
+                          global_shape=global_shape)
             rst_dict = layout_converter.shard_transform_layout(layout)
 
             for layout, comm_spec in rst_dict.items():
@@ -289,7 +295,11 @@ class LayoutConverter(metaclass=SingletonMeta):
         valid_spec_dict = {}
         comm_pattern = CollectiveCommPattern.SPLIT_FWD_GATHER_BWD
         source_spec = source_layout.sharding_spec
-        process_groups_dict = source_layout.device_mesh.process_groups_dict
+
+        # the key of the dict is the axis
+        # the value is the process group
+        current_rank = source_layout.device_mesh._global_rank_of_current_process
+        process_group_dict = source_layout.device_mesh._process_group_dict[current_rank]
 
         # legal sharding dims means the mesh_id is still available to use.
         legal_sharding_dims = [i for i in range(len(source_layout.device_mesh.shape))]
@@ -317,7 +327,7 @@ class LayoutConverter(metaclass=SingletonMeta):
                 shard_dim = index
                 logical_process_axis = shard_list[-1]
                 comm_spec = CommSpec(comm_pattern,
-                                     process_groups_dict,
+                                     process_group_dict=process_group_dict,
                                      gather_dim=shard_dim,
                                      shard_dim=shard_dim,
                                      logical_process_axis=logical_process_axis)
@@ -328,8 +338,7 @@ class LayoutConverter(metaclass=SingletonMeta):
                                                      dim_partition_dict=new_dim_partition_dict)
                     new_layout = Layout(device_mesh=source_layout.device_mesh,
                                         sharding_spec=new_sharding_spec,
-                                        device_type=source_layout.device_type,
-                                        entire_shape=source_layout.entire_shape)
+                                        global_shape=source_layout.global_shape)
                     valid_spec_dict[new_layout] = comm_spec
                 except LayoutException:
                     pass
@@ -387,7 +396,7 @@ class LayoutConverter(metaclass=SingletonMeta):
             # [[0, 1,
             #  [2, 3]]
             device_mesh = DeviceMesh(physical_mesh_id, mesh_shape, init_process_group=True)
-            entire_shape = (4, 4, 4)
+            global_shape = (4, 4, 4)
 
             dim_partition_source = {1: [0, 1]}
             dim_partition_target = {0: [0, 1]}
@@ -395,16 +404,14 @@ class LayoutConverter(metaclass=SingletonMeta):
             # [R,S01,R]
             sharding_spec_source = ShardingSpec(dim_size=3, dim_partition_dict=dim_partition_source)
             source_layout = Layout(device_mesh=device_mesh,
-                                device_type=torch.device('cuda'),
                                 sharding_spec=sharding_spec_source,
-                                entire_shape=entire_shape)
+                                global_shape=global_shape)
 
             # [S01,R,R]
             sharding_spec_target = ShardingSpec(dim_size=3, dim_partition_dict=dim_partition_target)
             target_layout = Layout(device_mesh=device_mesh,
-                                device_type=torch.device('cuda'),
                                 sharding_spec=sharding_spec_target,
-                                entire_shape=entire_shape)
+                                global_shape=global_shape)
 
             transform_path, comm_action_sequence = layout_converter.layout_converting(source_layout, target_layout)
             transform_path_str = '->'.join([str(layout.sharding_spec.sharding_sequence) for layout in transform_path])
@@ -493,21 +500,19 @@ class LayoutConverter(metaclass=SingletonMeta):
             # [[0, 1,
             #  [2, 3]]
             device_mesh = DeviceMesh(physical_mesh_id, mesh_shape, init_process_group=True)
-            entire_shape = (4, 4, 4)
+            global_shape = (4, 4, 4)
 
             # [S0,R,R]
             sharding_spec_source = ShardingSpec(dim_size=3, dim_partition_dict=dim_partition_source)
             source_layout = Layout(device_mesh=device_mesh,
-                                device_type=torch.device('cuda'),
                                 sharding_spec=sharding_spec_source,
-                                entire_shape=entire_shape)
+                                global_shape=global_shape)
 
             # [R,S0,R]
             sharding_spec_target = ShardingSpec(dim_size=3, dim_partition_dict=dim_partition_target)
             target_layout = Layout(device_mesh=device_mesh,
-                                device_type=torch.device('cuda'),
                                 sharding_spec=sharding_spec_target,
-                                entire_shape=entire_shape)
+                                global_shape=global_shape)
 
             if rank in (0, 1):
                 sharded_tensor_0 = torch.zeros(2, 1)

colossalai/tensor/shape_consistency.py

@@ -285,7 +285,7 @@ class ShapeConsistencyManager(metaclass=SingletonMeta):
         comm_pattern = CollectiveCommPattern.SPLIT_FWD_GATHER_BWD
 
         # legal sharding dims means the mesh_id is still available to use.
-        legal_sharding_dims = [i for i in range(len(source_spec.device_mesh.mesh_shape))]
+        legal_sharding_dims = [i for i in range(len(source_spec.device_mesh.shape))]
         for dim, shard_list in source_spec.dim_partition_dict.items():
             for element in shard_list:
                 legal_sharding_dims.remove(element)
@@ -435,7 +435,7 @@ class ShapeConsistencyManager(metaclass=SingletonMeta):
             """
             input_shape = compute_shape(comm_spec.sharding_spec)
             input_numel = np.prod(input_shape)
-            output_numel = input_numel * comm_spec.device_mesh.mesh_shape[comm_spec.logical_process_axis]
+            output_numel = input_numel * comm_spec.device_mesh.shape[comm_spec.logical_process_axis]
             peak_numel = max(peak_numel, alloc_numel + output_numel * 2)
             alloc_numel += output_numel
             if discard_input:
@@ -461,7 +461,7 @@ class ShapeConsistencyManager(metaclass=SingletonMeta):
                 # generate a new tensor
                 input_shape = compute_shape(comm_spec.sharding_spec)
                 input_numel = np.prod(input_shape)
-                output_numel = input_numel // comm_spec.device_mesh.mesh_shape[comm_spec.logical_process_axis]
+                output_numel = input_numel // comm_spec.device_mesh.shape[comm_spec.logical_process_axis]
                 alloc_numel += output_numel
                 peak_numel = max(peak_numel, alloc_numel)
                 if discard_input:

colossalai/tensor/sharding_spec.py

@@ -195,7 +195,7 @@ class ShardingSpec:
     def __repr__(self):
         res_list = ["DistSpec:"]
         res_list.append(f"\n\tshard_sequence: " + ",".join(str(dimspec) for dimspec in self.sharding_sequence))
-        res_list.append(f"\n\tdevice_mesh_shape: {self.device_mesh.mesh_shape}")
+        res_list.append(f"\n\tdevice_mesh_shape: {self.device_mesh.shape}")
         return ' '.join(res_list)
 
     def _sanity_check(self):
@@ -222,7 +222,7 @@ class ShardingSpec:
             num_devices = 1
 
             for element in shard_list:
-                num_devices *= self.device_mesh.mesh_shape[element]
+                num_devices *= self.device_mesh.shape[element]
 
             if tensor_dim_size % num_devices != 0:
                 raise ShardingNotDivisibleError(
@@ -288,7 +288,7 @@ class ShardingSpec:
 
         sharded_shape = list(self.entire_shape)
         for dim, shard_list in self.dim_partition_dict.items():
-            mesh_list = [self.device_mesh.mesh_shape[mesh_dim] for mesh_dim in shard_list]
+            mesh_list = [self.device_mesh.shape[mesh_dim] for mesh_dim in shard_list]
             shard_partitions = reduce(operator.mul, mesh_list, 1)
             assert sharded_shape[
                 dim] % shard_partitions == 0, f'Cannot shard dimension {dim} into {shard_partitions} partitions.'

test.py

-from colossalai.tensor.d_tensor.api import to_distributed_tensor

tests/test_autochunk/test_autochunk_diffuser/test_autochunk_unet.py

@@ -58,13 +58,4 @@ def test_evoformer_block(model, shape, max_memory):
 
 
 if __name__ == "__main__":
-    run_test(
-        rank=0,
-        data=get_data(LATENTS_SHAPE),
-        max_memory=None,
-        model=UNet2DModel,
-        print_code=False,
-        print_mem=True,
-        print_est_mem=False,
-        print_progress=False,
-    )
+    test_evoformer_block()

tests/test_checkpoint_io/test_gemini_checkpoint_io.py

@@ -22,7 +22,7 @@ from tests.kit.model_zoo import model_zoo
 @parameterize('use_safetensors', [False, True])
 def exam_state_dict_with_origin(placement_policy, model_name, use_safetensors: bool):
     from transformers import BertForSequenceClassification
-    (model_fn, data_gen_fn, output_transform_fn, _) = next(iter(model_zoo.get_sub_registry(model_name).values()))
+    (model_fn, data_gen_fn, output_transform_fn, _, _) = next(iter(model_zoo.get_sub_registry(model_name).values()))
     bert_model = model_fn()
 
     with shared_tempdir() as tempdir:
@@ -53,7 +53,7 @@ def exam_state_dict_with_origin(placement_policy, model_name, use_safetensors: b
 @parameterize('shard', [True, False])
 @parameterize('model_name', ['transformers_gpt'])
 def exam_state_dict(placement_policy, shard: bool, model_name: str):
-    (model_fn, data_gen_fn, output_transform_fn, _) = next(iter(model_zoo.get_sub_registry(model_name).values()))
+    (model_fn, data_gen_fn, output_transform_fn, _, _) = next(iter(model_zoo.get_sub_registry(model_name).values()))
     criterion = lambda x: x.mean()
     plugin = GeminiPlugin(placement_policy=placement_policy)
     booster = Booster(plugin=plugin)

tests/test_device/test_device_mesh.py

@@ -8,18 +8,16 @@ from colossalai.testing import rerun_if_address_is_in_use, spawn
 
 
 def test_device_mesh():
-    physical_mesh_id = torch.arange(0, 16).reshape(2, 8)
+    physical_mesh_id = torch.arange(0, 16)
     mesh_shape = (4, 4)
     # [[0, 1, 2, 3],
     #  [4, 5, 6, 7],
     #  [8, 9, 10,11],
     #  [12,13,14,15]]
     device_mesh = DeviceMesh(physical_mesh_id, mesh_shape)
-    assert device_mesh.convert_map[5] == [1, 1]
-    assert device_mesh.convert_map[11] == [2, 3]
-    assert device_mesh.global_rank_to_process_groups_with_logical_rank(0)[0] == [[0, 0], [1, 0], [2, 0], [3, 0]]
-    assert device_mesh.global_rank_to_process_groups_with_logical_rank(2)[1] == [[0, 0], [0, 1], [0, 2], [0, 3]]
-    assert device_mesh.global_rank_to_process_groups_with_global_rank(2)[1] == [0, 1, 2, 3]
+    assert device_mesh.global_rank_to_local_rank(5) == [1, 1]
+    assert device_mesh.global_rank_to_local_rank(11) == [2, 3]
+    assert device_mesh.get_ranks_in_process_group(axis=1, global_rank=2) == [0, 1, 2, 3]
 
 
 def check_1d_device_mesh():

tests/test_device/test_init_logical_pg.py

@@ -20,15 +20,11 @@ def check_layer(rank, world_size, port):
     # [[0, 1,
     #  [2, 3]]
     device_mesh = DeviceMesh(physical_mesh_id, mesh_shape, init_process_group=True)
-    logical_pg_dict = {0: [[0, 2], [1, 3]], 1: [[0, 1], [2, 3]]}
-    logical_process_groups = device_mesh.process_groups_dict
 
-    for mesh_dim, pgs in logical_pg_dict.items():
-        for index, pg in enumerate(pgs):
-            if rank in pg:
+    for axis in range(len(mesh_shape)):
         tensor = torch.ones(4).cuda()
-                group = logical_process_groups[mesh_dim][index][1]
-                dist.all_reduce(tensor, op=ReduceOp.SUM, group=group)
+        pg = device_mesh.get_process_group(axis=axis)
+        dist.all_reduce(tensor, op=ReduceOp.SUM, group=pg)
         assert tensor.equal(tensor_to_check)
 
     gpc.destroy()

tests/test_fx/test_tracer/test_hf_model/hf_tracer_utils.py

+from typing import List
+
 import torch
 from numpy import isin
 from torch.fx import GraphModule
@@ -7,19 +9,23 @@ from torch.utils._pytree import tree_flatten
 from colossalai._analyzer.fx import symbolic_trace
 
 
-def trace_model_and_compare_output(model, data_gen):
+def trace_model_and_compare_output(model, data_gen, ignore_data: List[str] = None):
     # must turn on eval mode to ensure the output is consistent
     model.eval()
 
+    inputs = data_gen()
+
+    if ignore_data is not None:
+        # drop the ignore_data key
+        inputs = {k: v for k, v in inputs.items() if k not in ignore_data}
+
     try:
-        kwargs = data_gen()
-        meta_args = {k: v.to('meta') for k, v in kwargs.items()}
+        meta_args = {k: v.to('meta') for k, v in inputs.items()}
         gm = symbolic_trace(model, meta_args=meta_args)
     except Exception as e:
         raise RuntimeError(f"Failed to trace {model.__class__.__name__}, error: {e}")
 
     # run forward
-    inputs = data_gen()
     non_fx_out = model(**inputs)
     fx_out = gm(**inputs)
 

tests/test_fx/test_tracer/test_hf_model/test_hf_albert.py

@@ -15,7 +15,7 @@ SEQ_LENGTH = 16
 def test_albert():
     sub_registry = model_zoo.get_sub_registry('transformers_albert')
 
-    for name, (model_fn, data_gen_fn, _, _) in sub_registry.items():
+    for name, (model_fn, data_gen_fn, _, _, _) in sub_registry.items():
         model = model_fn()
         trace_model_and_compare_output(model, data_gen_fn)
 

tests/test_fx/test_tracer/test_hf_model/test_hf_bert.py

@@ -12,9 +12,9 @@ from tests.kit.model_zoo import model_zoo
 def test_bert():
     sub_registry = model_zoo.get_sub_registry('transformers_bert')
 
-    for name, (model_fn, data_gen_fn, _, _) in sub_registry.items():
+    for name, (model_fn, data_gen_fn, _, _, _) in sub_registry.items():
         model = model_fn()
-        trace_model_and_compare_output(model, data_gen_fn)
+        trace_model_and_compare_output(model, data_gen_fn, ignore_data=['labels', 'next_sentence_label'])
 
 
 if __name__ == '__main__':

tests/test_fx/test_tracer/test_hf_model/test_hf_diffuser.py

@@ -47,7 +47,7 @@ def test_diffusers():
 
     sub_model_zoo = model_zoo.get_sub_registry('diffusers')
 
-    for name, (model_fn, data_gen_fn, output_transform_fn, _, attribute) in sub_model_zoo.items():
+    for name, (model_fn, data_gen_fn, output_transform_fn, _, _, attribute) in sub_model_zoo.items():
         data = data_gen_fn()
         trace_and_compare(model_fn, data, output_transform_fn)
         torch.cuda.synchronize()