[hotfix]fix argument naming in docs and examples (#4083)

applications/Chat/coati/trainer/strategies/colossalai.py

@@ -34,9 +34,9 @@ class ColossalAIStrategy(DDPStrategy):
                           If it is “cuda”, they will not be offloaded, which means max CUDA memory will be used. It is the fastest.
         pin_memory(bool): Whether to pin the memory for the data loader. Only for ZeRO-3.
         force_outputs_fp32(bool): Whether to force the outputs to be fp32. Only for ZeRO-3.
-        search_range_mb(int): The search range in MB for the chunk size. Only for ZeRO-3.
+        search_range_m(int): The number of search range for the chunk size, divided by 2^20. Only for ZeRO-3.
         hidden_dim(optional, int): The hidden dimension for the gemini. Only for ZeRO-3.
-        min_chunk_size_mb(float): The minimum chunk size in MB. Only for ZeRO-3.
+        min_chunk_size_m(float): The minimum chunk size divided by 2^20. Only for ZeRO-3.
         gpu_margin_mem_ratio(float): The margin memory ratio for the GPU. Only for ZeRO-3.
         reduce_bucket_size(int): The reduce bucket size in bytes. Only for ZeRO-1 and ZeRO-2.
         overlap_communication(bool): Whether to overlap communication and computation. Only for ZeRO-1 and ZeRO-2.
@@ -61,9 +61,9 @@ class ColossalAIStrategy(DDPStrategy):
             placement_policy: str = 'cuda',
             pin_memory: bool = True,    # only for stage 3
             force_outputs_fp32: bool = False,    # only for stage 3
-            search_range_mb: int = 32,    # only for stage 3
+            search_range_m: int = 32,    # only for stage 3
             hidden_dim: Optional[int] = None,    # only for stage 3
-            min_chunk_size_mb: float = 32,    # only for stage 3
+            min_chunk_size_m: float = 32,    # only for stage 3
             gpu_margin_mem_ratio: float = 0.0,    # only for stage 3
             reduce_bucket_size: int = 12 * 1024**2,    # only for stage 1&2
             overlap_communication: bool = True,    # only for stage 1&2
@@ -83,18 +83,15 @@ class ColossalAIStrategy(DDPStrategy):
 
         # TODO(ver217): support shard_init when using from_pretrained()
         if shard_init:
-            warnings.warn(
-                f'Shard init is not supported model.from_pretrained() yet. '
-                'Please load weights after strategy.prepare()'
-            )
+            warnings.warn(f'Shard init is not supported model.from_pretrained() yet. '
+                          'Please load weights after strategy.prepare()')
         if stage == 3 and precision == 'fp32':
             warnings.warn(f'Stage 3 only supports fp16. Precision is set to fp16.')
             precision = 'fp16'
         self.precision = precision
         self.shard_init = shard_init
 
-        optim_kwargs = dict(
-            initial_scale=initial_scale,
+        optim_kwargs = dict(initial_scale=initial_scale,
                             growth_factor=growth_factor,
                             backoff_factor=backoff_factor,
                             growth_interval=growth_interval,
@@ -102,8 +99,7 @@ class ColossalAIStrategy(DDPStrategy):
                             min_scale=min_scale,
                             max_scale=max_scale,
                             max_norm=max_norm,
-            norm_type=norm_type
-        )
+                            norm_type=norm_type)
         # NOTE: dist should be initialized before calling get_current_device()
         if stage == 3:
             plugin_initializer = lambda: GeminiPlugin(
@@ -114,14 +110,13 @@ class ColossalAIStrategy(DDPStrategy):
                 pin_memory=pin_memory,
                 force_outputs_fp32=force_outputs_fp32,
                 strict_ddp_mode=shard_init,
-                search_range_mb=search_range_mb,
+                search_range_m=search_range_m,
                 hidden_dim=hidden_dim,
-                min_chunk_size_mb=min_chunk_size_mb,
+                min_chunk_size_m=min_chunk_size_m,
             # zero_optim_config
                 gpu_margin_mem_ratio=gpu_margin_mem_ratio,
             # optim_config
-                **optim_kwargs
-            )
+                **optim_kwargs)
         else:
             plugin_initializer = lambda: LowLevelZeroPlugin(
             # zero_config
@@ -132,8 +127,7 @@ class ColossalAIStrategy(DDPStrategy):
                 overlap_communication=overlap_communication,
                 cpu_offload=(placement_policy == 'cpu'),
             # optim_config
-                **optim_kwargs
-            )
+                **optim_kwargs)
 
         super().__init__(seed, plugin_initializer)
 

docs/source/en/advanced_tutorials/parallelize_your_training_like_Megatron.md

@@ -181,7 +181,7 @@ def gemini_zero_dpp(model: torch.nn.Module, pg: ProcessGroup, placement_policy:
                         device=get_current_device(),
                         placement_policy=placement_policy,
                         pin_memory=True,
-                        search_range_mb=32)
+                        search_range_m=32)
     return model
 ```
 
@@ -190,3 +190,5 @@ def gemini_zero_dpp(model: torch.nn.Module, pg: ProcessGroup, placement_policy:
 The above optimization we made allows us to pretrain the GPT-2 model on a single GPU. We only need to set the parameter `GPUNUM`=1 in `run.sh`, and then we can complete the model training on a single GPU when running the file.
 
 The GPT-2 example is accessible at [Train GPT with Colossal-AI](https://github.com/hpcaitech/ColossalAI/tree/main/examples/language/gpt).
+
+<!-- doc-test-command: torchrun --standalone --nproc_per_node=1 parallelize_your_training_like_Megatron.py  -->

docs/source/en/features/zero_with_chunk.md

@@ -67,12 +67,12 @@ Define the model parameters as follows:
 chunk_manager = init_chunk_manager(model=module,
                                            init_device=device,
                                            hidden_dim=hidden_dim,
-                                           search_range_mb=search_range_mb,
-                                           min_chunk_size_mb=min_chunk_size_mb)
+                                           search_range_m=search_range_m,
+                                           min_chunk_size_m=min_chunk_size_m)
 gemini_manager = GeminiManager(placement_policy, chunk_manager)
 ```
 
-`hidden_dim` is the hidden dimension of DNN. Users can provide this argument to speed up searching. If users do not know this argument before training, it is ok. We will use a default value 1024. `min_chunk_size_mb` is the the minimum chunk size in MegaByte. If the aggregate size of parameters is still smaller than the minimum chunk size, all parameters will be compacted into one small chunk.
+`hidden_dim` is the hidden dimension of DNN. Users can provide this argument to speed up searching. If users do not know this argument before training, it is ok. We will use a default value 1024. `min_chunk_size_m` is a floating point, being the minimum chunk size divided by 2^20 (e.g., if min_chunk_size_m=2.5, then the minimum chunk size should be 2.5*(2^20)).If the aggregate size of parameters is still smaller than the minimum chunk size, all parameters will be compacted into one small chunk.
 
 Initialization of the optimizer.
 ```python

docs/source/zh-Hans/advanced_tutorials/parallelize_your_training_like_Megatron.md

@@ -165,7 +165,7 @@ def gemini_zero_dpp(model: torch.nn.Module, pg: ProcessGroup, placement_policy:
                         device=get_current_device(),
                         placement_policy=placement_policy,
                         pin_memory=True,
-                        search_range_mb=32)
+                        search_range_m=32)
     return model
 ```
 
@@ -174,3 +174,6 @@ def gemini_zero_dpp(model: torch.nn.Module, pg: ProcessGroup, placement_policy:
 我们做的上述优化让我们可以在单GPU上训练GPT-2模型，只需要将`run.sh`中设置参数`GPUNUM`=1，再运行文件时就可以在单个GPU上完成模型的训练。
 
 GPT-2 示例在[Train GPT with Colossal-AI](https://github.com/hpcaitech/ColossalAI/tree/main/examples/language/gpt). 获得。
+
+
+<!-- doc-test-command: torchrun --standalone --nproc_per_node=1 parallelize_your_training_like_Megatron.py  -->

docs/source/zh-Hans/features/zero_with_chunk.md

@@ -66,13 +66,13 @@ with ColoInitContext(device='cpu', default_dist_spec=default_dist_spec, default_
 chunk_manager = init_chunk_manager(model=module,
                                    init_device=device,
                                    hidden_dim=hidden_dim,
-                                   search_range_mb=search_range_mb,
-                                   min_chunk_size_mb=min_chunk_size_mb)
+                                   search_range_m=search_range_m,
+                                   min_chunk_size_m=min_chunk_size_m)
 gemini_manager = GeminiManager(placement_policy, chunk_manager)
 model = ZeroDDP(model, gemini_manager)
 ```
 
-`hidden dim`是DNN的隐藏维度。用户可以提供这个参数来加快搜索速度。如果用户在训练前不知道这个参数也可以。 我们将使用默认值 1024。`min_chunk_size_mb`是以兆字节为单位的最小块大小。如果参数的总大小仍然小于最小块大小，则所有参数将被压缩为一个小块。
+`hidden dim`是DNN的隐藏维度。用户可以提供这个参数来加快搜索速度。如果用户在训练前不知道这个参数也可以。 我们将使用默认值 1024。`min_chunk_size_m`是以兆（2^20）为单位的最小块大小。如果参数的总大小仍然小于最小块大小，则所有参数将被压缩为一个小块。
 
 初始化优化器。
 ```python

examples/community/roberta/pretraining/run_pretraining.py

@@ -88,7 +88,7 @@ def main():
                                  placement_policy=args.placement,
                                  pin_memory=True,
                                  hidden_dim=model.config.hidden_size,
-                                 search_range_mb=128)
+                                 search_range_m=128)
             optim_config = dict(gpu_margin_mem_ratio=0.)
         else:
             raise RuntimeError

examples/language/gpt/gemini/train_gpt_demo.py

@@ -258,7 +258,7 @@ def main():
                                   placement_policy=args.placement,
                                   pin_memory=True,
                                   strict_ddp_mode=args.tp_degree == 1,
-                                  search_range_mb=128,
+                                  search_range_m=128,
                                   hidden_dim=model.config.n_embd,
                                   gpu_margin_mem_ratio=0.)
         else: