@@ -81,7 +81,7 @@ class LoadBestModelCallback(Callback): | |||
real_monitor=self._real_monitor, | |||
res=results) | |||
if (monitor_value < self.monitor_value and self.larger_better is False) or \ | |||
(monitor_value > self.monitor_value and self.larger_better): | |||
(monitor_value > self.monitor_value and self.larger_better): | |||
self.monitor_value = monitor_value | |||
if self.real_save_folder: | |||
trainer.save_model(folder=self.real_save_folder, only_state_dict=self.only_state_dict, | |||
@@ -124,11 +124,7 @@ class Evaluator: | |||
self.dataloaders = {} | |||
for name, dl in dataloaders.items(): # 替换为正确的 sampler | |||
dl = self.driver.replace_sampler( | |||
dataloader=dl, | |||
dist_sampler=self._dist_sampler, | |||
reproducible=False | |||
) | |||
dl = self.driver.set_dist_repro_dataloader(dataloader=dl, dist=self._dist_sampler, reproducible=False) | |||
self.dataloaders[name] = dl | |||
self.progress_bar = kwargs.get('progress_bar', 'auto') | |||
@@ -250,11 +250,8 @@ class Trainer(TrainerEventTrigger): | |||
self.dataloader = self.train_dataloader | |||
self.driver.set_deterministic_dataloader(self.dataloader) | |||
self.dataloader = self.driver.replace_sampler( | |||
dataloader=self.train_dataloader, | |||
dist_sampler=_dist_sampler, | |||
reproducible=self.callback_manager.has_trainer_chechpoint | |||
) | |||
self.dataloader = self.driver.set_dist_repro_dataloader(dataloader=self.train_dataloader, dist=_dist_sampler, | |||
reproducible=self.callback_manager.has_trainer_chechpoint) | |||
self.set_grad_to_none = kwargs.get("set_grad_to_none", True) | |||
self.on_after_trainer_initialized(self.driver) | |||
@@ -263,7 +260,7 @@ class Trainer(TrainerEventTrigger): | |||
def run(self, num_train_batch_per_epoch: int = -1, num_eval_batch_per_dl: int = -1, | |||
num_eval_sanity_batch: int = 2, resume_from: str = None, resume_training: bool = True, | |||
catch_KeyboardInterrupt=True): | |||
catch_KeyboardInterrupt=None): | |||
""" | |||
注意如果是断点重训的第一次训练,即还没有保存任何用于断点重训的文件,那么其应当置 resume_from 为 None,并且使用 ModelCheckpoint | |||
去保存断点重训的文件; | |||
@@ -273,15 +270,17 @@ class Trainer(TrainerEventTrigger): | |||
:param resume_from: 从哪个路径下恢复 trainer 的状态 | |||
:param resume_training: 是否按照 checkpoint 中训练状态恢复。如果为 False,则只恢复 model 和 optimizers 的状态。 | |||
:param catch_KeyboardInterrupt: 是否捕获KeyboardInterrupt, 如果捕获的话,不会抛出一场,trainer.run()之后的代码会继续运 | |||
行。 | |||
行。默认如果非 distributed 的 driver 会 catch ,distributed 不会 catch (无法 catch ) | |||
:return: | |||
""" | |||
if self.driver.is_distributed(): | |||
if catch_KeyboardInterrupt: | |||
logger.warning("Parameter `catch_KeyboardInterrupt` can only be False when you are using multi-device " | |||
"driver. And we are gonna to set it to False.") | |||
catch_KeyboardInterrupt = False | |||
if catch_KeyboardInterrupt is None: | |||
catch_KeyboardInterrupt = not self.driver.is_distributed() | |||
else: | |||
if self.driver.is_distributed(): | |||
if catch_KeyboardInterrupt: | |||
logger.warning("Parameter `catch_KeyboardInterrupt` can only be False when you are using multi-device " | |||
"driver. And we are gonna to set it to False.") | |||
catch_KeyboardInterrupt = False | |||
self._set_num_eval_batch_per_dl(num_eval_batch_per_dl) | |||
@@ -576,22 +575,6 @@ class Trainer(TrainerEventTrigger): | |||
else: | |||
states["val_filter_state"] = None | |||
# 4. sampler 的状态,因为我们支持 resume training,即精确恢复到具体的一个 batch; | |||
# 首先 pytorch 的 DataLoader 一定会有 sampler;另一方面,我们在断点重训的时候一定会在 `replace_sampler` 中将 dataloader 的 | |||
# sampler 替换为 `ReproducibleIterator`;否则就是在单卡情况下将 batch_sampler 替换为 `ReproducibleBatchSampler`; | |||
dataloader_args = self.driver.get_dataloader_args(self.dataloader) | |||
if isinstance(dataloader_args.batch_sampler, ReproducibleBatchSampler): | |||
sampler = dataloader_args.batch_sampler | |||
elif dataloader_args.sampler: | |||
sampler = dataloader_args.sampler | |||
else: | |||
raise RuntimeError("This condition is not supposed to appear. Please report a bug to us.") | |||
if hasattr(sampler, 'state_dict') and callable(sampler.state_dict): | |||
states['sampler_states'] = sampler.state_dict() | |||
else: | |||
raise RuntimeError( | |||
'The sampler has no `state_dict()` method, it will fail to recover to the specific batch.') | |||
if isinstance(folder, str): | |||
folder = Path(folder) | |||
@@ -599,9 +582,9 @@ class Trainer(TrainerEventTrigger): | |||
if not callable(model_save_fn): | |||
raise ValueError("Parameter `model_save_fn` should be `Callable` type when it is not None.") | |||
rank_zero_call(model_save_fn)(folder) | |||
self.driver.save(folder=folder, states=states, should_save_model=False, **kwargs) | |||
self.driver.save(folder=folder, dataloader=self.dataloader, states=states, should_save_model=False, **kwargs) | |||
else: | |||
self.driver.save(folder=folder, states=states, | |||
self.driver.save(folder=folder, dataloader=self.dataloader, states=states, | |||
only_state_dict=only_state_dict, should_save_model=True, **kwargs) | |||
self.driver.barrier() | |||
@@ -614,9 +597,6 @@ class Trainer(TrainerEventTrigger): | |||
保存;在这种情况下,dataloader 的 sampler 就不一定会被替换成我们的 ReproducibleIterator; | |||
注意我们目前不支持单卡到多卡的断点重训; | |||
TODO:注意我们目前不支持 RandomSampler、BucketedSampler 或者 SortedSampler 之间的断点重训; | |||
因此如果用户自己需要使用 BucketedSampler,那么其需要自己在 Trainer 之前初始化 BucketedSampler,然后替换原始 Dataloader 中的 | |||
sampler,不管其是第一次断点重训,还是之后的加载的重新训练; | |||
:param folder: 保存断点重训 states 的文件地址; | |||
:param resume_training: 是否从上次的 batch 开始训练,或者只从最近的 epoch 开始训练;注意如果 resume_training=True,那么我们 | |||
@@ -625,33 +605,23 @@ class Trainer(TrainerEventTrigger): | |||
self.driver.barrier() | |||
if isinstance(folder, str): | |||
folder = Path(folder) | |||
dataloader = self.dataloader | |||
if not resume_training: | |||
dataloader = None | |||
if model_load_fn is not None: | |||
if not callable(model_load_fn): | |||
raise ValueError("Parameter `model_save_fn` should be `Callable` type when it is not None.") | |||
raise ValueError("Parameter `model_save_fn` should be `Callable`.") | |||
rank_zero_call(model_load_fn)(folder) | |||
states = self.driver.load(folder=folder, should_load_model=False, **kwargs) | |||
states = self.driver.load(folder=folder, dataloader=dataloader, should_load_model=False, **kwargs) | |||
else: | |||
states = self.driver.load(folder=folder, only_state_dict=only_state_dict, should_load_model=True, **kwargs) | |||
states = self.driver.load(folder=folder, dataloader=dataloader, only_state_dict=only_state_dict, should_load_model=True, **kwargs) | |||
if not resume_training: | |||
return | |||
# 1. 恢复 sampler 的状态; | |||
dataloader_args = self.driver.get_dataloader_args(self.dataloader) | |||
sampler = dataloader_args.sampler | |||
if not (hasattr(sampler, 'load_state_dict') and callable(sampler.load_state_dict)): | |||
# 说明这里需要使用 ReproduceSampler 来弄一下了 | |||
if self.driver.is_distributed(): | |||
raise RuntimeError("It is not allowed to use single device checkpoint retraining before but ddp now.") | |||
sampler = ReproducibleBatchSampler( | |||
batch_sampler=sampler, | |||
batch_size=dataloader_args.batch_size, | |||
drop_last=dataloader_args.drop_last | |||
) | |||
sampler.load_state_dict(states['sampler_states']) | |||
self.driver.replace_sampler(self.dataloader, sampler) | |||
self.dataloader = states.pop('dataloader') | |||
# 2. validate filter state; | |||
if self.evaluator is not None: | |||
@@ -666,22 +636,16 @@ class Trainer(TrainerEventTrigger): | |||
# 4. 修改 trainer_state.batch_idx_in_epoch | |||
# sampler 是类似 RandomSampler 的sampler,不是 batch_sampler; | |||
if not isinstance(sampler, ReproducibleBatchSampler): | |||
if dataloader_args.drop_last: | |||
self.trainer_state.batch_idx_in_epoch = len(sampler) // dataloader_args.batch_size - sampler.num_left_samples // dataloader_args.batch_size | |||
else: | |||
self.trainer_state.batch_idx_in_epoch = (len(sampler) + dataloader_args.batch_size - 1) // dataloader_args.batch_size - \ | |||
(sampler.num_left_samples + dataloader_args.batch_size - 1) // dataloader_args.batch_size | |||
# sampler 是 batch_sampler; | |||
else: | |||
self.trainer_state.batch_idx_in_epoch = sampler.batch_idx_in_epoch | |||
# 这里的原则就是应当使得 '还会产生的batch数量' + 'batch_idx_in_epoch' = '原来不断点训练的batch的总数'。其中由于 | |||
# '还会产生的batch数量' 是由还剩多少 sample 决定的,因此只能通过调整 'batch_idx_in_epoch' 使得等式成立 | |||
self.trainer_state.batch_idx_in_epoch = states.pop('batch_idx_in_epoch') | |||
# 5. 恢复所有 callback 的状态; | |||
self.on_load_checkpoint(states["callback_states"]) | |||
self.driver.barrier() | |||
""" 这四个函数是用来方便用户定制自己的 batch_step_fn(用于替换 train_batch_loop 当中的 step 函数) 的 """ | |||
""" 这四个函数是用来方便用户定制自己的 batch_step_fn(用于替换 train_batch_loop 当中的 batch_step_fn 函数) 的 """ | |||
def train_step(self, batch): | |||
with self.driver.auto_cast(): | |||
@@ -2,7 +2,7 @@ import os | |||
import signal | |||
import sys | |||
from typing import Any, Sequence, List, Optional, Callable, Dict, Union | |||
from abc import ABC | |||
from abc import ABC, abstractmethod | |||
from datetime import datetime | |||
from pathlib import Path | |||
from io import BytesIO | |||
@@ -14,7 +14,6 @@ __all__ = [ | |||
from fastNLP.core.utils import nullcontext | |||
# todo 航总 check 一下哪一些方法需要 @abstractmethod; | |||
class Driver(ABC): | |||
r""" | |||
用来初始化 `Driver` 的基类,所有定制的 `driver` 都需要继承此类; | |||
@@ -32,29 +31,33 @@ class Driver(ABC): | |||
# self._consensus_file: Optional[Union[str, Path]] = None | |||
self._pids: Optional[List[int]] = None | |||
@abstractmethod | |||
def setup(self): | |||
r""" | |||
该函数用来初始化训练环境,例如将模型迁移到对应的设备上等; | |||
多卡的 driver 的该函数要更为复杂一些,例如其可能需要开启多进程之间的通信环境,以及设置一些环境变量和其余所需要的变量值; | |||
""" | |||
def replace_sampler(self, dataloader, dist_sampler: Optional[str], reproducible: bool = False): | |||
def set_dist_repro_dataloader(self, dataloader, dist=None, reproducible: bool = False): | |||
r""" | |||
因为一些特殊的情况需要替换 dataloader 的 sampler,而每一个 driver 中的该函数会提供该功能;例如在多卡训练的中,我们 | |||
需要将 sampler 替换为 distributed sampler;以及如果用户在 Trainer 中加入了断点重训的 callback,那么我们就需要将 sampler 替换 | |||
为 reproducible sampler; | |||
:param dataloader: 由 trainer 中传入的原始的 dataloader; | |||
:param dist_sampler: 应当为一个字符串,其值应当为以下之一:[None, "dist", "unrepeatdist"];用于指定使用怎样的 sampler; | |||
目前该参数被定制为分布式训练服务,其中 trainer 中 kwargs 的参数 `use_dist_sampler` 为 True 时,该值为 "dist",否则为 None; | |||
evaluator 中的 kwargs 的参数 `use_dist_sampler` 为 True 时,该值为 "unrepeatdist",否则为 None; | |||
:param reproducible: 用于在 `Trainer` 中指定是否替换为断点重训的 sampler(多卡) 或者 batch_sampler(单卡);如果是单卡的 Driver, | |||
并且该参数为 True,表示当前正在断点重训,那么我们就会使用我们的 `ReproducibleBatchSampler` 来替换 dataloader 原本的 batch_sampler; | |||
如果是多卡的 Driver,那么我们就会用 `RandomSampler` 替换 dataloader 原本的 sampler; | |||
:return: 应当返回一个被替换 sampler 后的新的 dataloader 对象 (注意此处一定需要返回一个新的 dataloader 对象) ; | |||
""" | |||
raise NotImplementedError("Each specific driver should implemented its own `replace_sampler` function.") | |||
根据输入的 dataloader 得到一个 支持分布式 (distributed) 与 可复现的 (reproducible) 的 dataloader。 | |||
:param dataloader: 根据 dataloader 设置其对应的分布式版本以及可复现版本 | |||
:param dist: 应当为一个字符串,其值应当为以下之一:[None, "dist", "unrepeatdist"];为 None 时,表示不需要考虑当前 dataloader | |||
切换为分布式状态;为 'dist' 时,表示该 dataloader 应该保证每个 gpu 上返回的 batch 的数量是一样多的,允许出现少量 sample ,在 | |||
不同 gpu 上出现重复;为 'unrepeatdist' 时,表示该 dataloader 应该保证所有 gpu 上迭代出来的数据合并起来应该刚好等于原始的 | |||
数据,允许不同 gpu 上 batch 的数量不一致。其中 trainer 中 kwargs 的参数 `use_dist_sampler` 为 True 时,该值为 "dist"; | |||
否则为 None ,evaluator 中的 kwargs 的参数 `use_dist_sampler` 为 True 时,该值为 "unrepeatdist",否则为 None; | |||
:param reproducible: 如果为 False ,不要做任何考虑;如果为 True ,需要保证返回的 dataloader 可以保存当前的迭代状态,使得 | |||
可以可以加载。 | |||
:return: 应当返回一个被替换 sampler 后的新的 dataloader 对象 (注意此处一定需要返回一个新的 dataloader 对象) ;此外, | |||
如果传入的 dataloader 中是 ReproducibleIterator 或者 ReproducibleBatchSampler 需要重新初始化一个放入返回的 | |||
dataloader 中。如果 dist 为空,且 reproducible 为 False,可直接返回原对象。 | |||
""" | |||
if dist is None and reproducible is False: | |||
return dataloader | |||
raise NotImplementedError(f"Driver:{self.__class__.__name__} does not support `set_dist_repro_dataloader` " | |||
f"function.") | |||
def set_deterministic_dataloader(self, dataloader): | |||
r""" | |||
@@ -68,7 +71,7 @@ class Driver(ABC): | |||
:param cur_epoch_idx: 当前是第几个 epoch; | |||
""" | |||
@abstractmethod | |||
def train_step(self, batch): | |||
""" | |||
通过调用模型自带的 `train_step` 或者 `forward` 方法来实现训练的前向过程; | |||
@@ -103,7 +106,7 @@ class Driver(ABC): | |||
因此如果用户的 evaluator mode 是 validate,但是传入的 model 却没有实现 validate_step 函数,而是实现了 test_step 函数,那么 | |||
我们应当提醒用户这一行为; | |||
""" | |||
raise NotImplementedError("Each specific driver should implemented its own `predict_step` function.") | |||
raise NotImplementedError("Each specific driver should implemented its own `check_evaluator_mode` function.") | |||
@property | |||
def model(self): | |||
@@ -234,6 +237,7 @@ class Driver(ABC): | |||
""" | |||
self.optimizers = optimizers | |||
@abstractmethod | |||
def backward(self, loss): | |||
""" | |||
实现深度学习中的反向传播过程; | |||
@@ -242,12 +246,14 @@ class Driver(ABC): | |||
""" | |||
raise NotImplementedError("Each specific driver should implemented its own `backward` function.") | |||
@abstractmethod | |||
def step(self): | |||
r""" | |||
实现深度学习中的参数的优化更新过程,应当直接通过优化器 optimizers 来更新参数; | |||
""" | |||
raise NotImplementedError("Each specific driver should implemented its own `step` function.") | |||
@abstractmethod | |||
def zero_grad(self, set_to_none: bool = False): | |||
r""" | |||
实现深度学习中的梯度的置零操作,应当直接通过优化器 optimizers 来将梯度置零; | |||
@@ -286,6 +292,7 @@ class Driver(ABC): | |||
def auto_cast(self, auto_cast): | |||
self._auto_cast = auto_cast | |||
@abstractmethod | |||
def save_model(self, filepath: Union[str, Path, BytesIO], only_state_dict: bool = True, **kwargs): | |||
r""" | |||
保存模型的函数;注意函数 `save` 是用来进行断点重训的函数; | |||
@@ -296,6 +303,7 @@ class Driver(ABC): | |||
""" | |||
raise NotImplementedError("Each specific driver should implemented its own `save_model` function.") | |||
@abstractmethod | |||
def load_model(self, filepath: Union[str, Path, BytesIO], only_state_dict: bool = False, **kwargs): | |||
r""" | |||
加载模型的函数;将 filepath 中的模型加载并赋值给当前 model 。 | |||
@@ -307,7 +315,8 @@ class Driver(ABC): | |||
""" | |||
raise NotImplementedError("Each specific driver should implemented its own `load_model` function.") | |||
def save(self, folder, states: Dict, only_state_dict: bool = True, should_save_model: bool = True, **kwargs): | |||
@abstractmethod | |||
def save(self, folder, states: Dict, dataloader, only_state_dict: bool = True, should_save_model: bool = True, **kwargs): | |||
r""" | |||
断点重训的保存函数,该函数会负责保存模型和 optimizers, fp16 的 state_dict;以及模型的保存(若 should_save_model 为 True) | |||
@@ -317,12 +326,14 @@ class Driver(ABC): | |||
:param states: 由 trainer 传入的一个字典,其中已经包含了为了实现断点重训所需要保存的其它对象的状态,Driver 应该只需要保存 | |||
该对象即可, Driver 应该不需要理解该对象,同时在 driver.load() 的时候,需要将 states 返回回去,load() 返回的值与这里的 | |||
传入的值保持一致。 | |||
:param dataloader: 正在使用的 dataloader,需要保存里面的状态使得之后可以从当前迭代的位置恢复。 | |||
:param only_state_dict: 是否只保存模型的参数,当 should_save_model 为 False ,该参数无效。 | |||
:param should_save_model: 是否应该保存模型,如果为False,Driver 将不负责 model 的保存。 | |||
""" | |||
raise NotImplementedError("Each specific driver should implemented its own `save` function.") | |||
def load(self, folder: Union[str, Path], only_state_dict: bool =True, should_load_model: bool = True, **kwargs) -> Dict: | |||
@abstractmethod | |||
def load(self, folder: Union[str, Path], dataloader, only_state_dict: bool =True, should_load_model: bool = True, **kwargs) -> Dict: | |||
r""" | |||
断点重训的加载函数,注意该函数会负责读取数据,并且恢复 optimizers , fp16 的 state_dict 和 模型(根据 should_load_model )和; | |||
其它在 Driver.save() 函数中执行的保存操作,然后将一个 state 字典返回给 trainer ( 内容为Driver.save() 接受到的 states )。 | |||
@@ -331,11 +342,22 @@ class Driver(ABC): | |||
:param folder: 读取该 folder 下的 FASTNLP_CHECKPOINT_FILENAME 文件与 FASTNLP_MODEL_FILENAME | |||
(如果 should_load_model 为True)。 | |||
:param dataloader: 当前给定 dataloader,需要根据 save 的 dataloader 状态合理设置。若该值为 None ,是不需要返回 'dataloader' | |||
以及 'batch_idx_in_epoch' 这两个值。 | |||
:param only_state_dict: 读取的,当 should_save_model 为 False ,该参数无效。如果为 True ,说明保存的内容为权重;如果为 | |||
False 说明保存的是模型,但也是通过当前 Driver 的模型去加载保存的模型的权重,而不是使用保存的模型替换当前模型。 | |||
:param should_load_model: 是否应该加载模型,如果为False,Driver 将不负责加载模型。若该参数为 True ,但在保存的状态中没有 | |||
找到对应的模型状态,则报错。 | |||
:return: 需要返回 save 函数输入的 states 内容; | |||
:return: 需要返回 save 函数输入的 states 内容 | |||
'dataloader',返回的是根据传入的 dataloader 与 保存的状态一起设置为合理的状态,可以返回的对象与传入的dataloader是同一个。 | |||
在保存与当前传入 data sample 数目不一致时报错。 | |||
'batch_idx_in_epoch': int 类型的数据,表明当前 epoch 进行到了进行到了第几个 batch 了。 请注意,该值不能是只能通过保存的 | |||
数据中读取的,因为前后两次运行 batch_size 可能由变化。该数字的原则应该符合以下等式 | |||
'返回 dataloader 还会产生的batch数量' + 'batch_idx_in_epoch' = '原来不断点训练的batch的总数' 。 | |||
由于 '返回 dataloader 还会产生的batch数量' 这个数量在 batch_size 与 drop_last 参数给定的情况下,无法改变,因此 | |||
只能通过调整 batch_idx_in_epoch 这个值来使等式成立。一个简单的计算原则如下 | |||
当drop_last为True,等同于 floor(sample_in_this_rank/batch_size) - floor(num_left_samples/batch_size); | |||
当drop_last为False,等同于 ceil(sample_in_this_rank/batch_size) - ceil(num_left_samples/batch_size)。 | |||
""" | |||
raise NotImplementedError("Each specific driver should implemented its own `load` function.") | |||
@@ -352,6 +374,7 @@ class Driver(ABC): | |||
""" | |||
raise NotImplementedError("Each specific driver should implemented its own `tensor_to_numeric` function.") | |||
@abstractmethod | |||
def set_model_mode(self, mode: str): | |||
r""" | |||
设置模型为 `train` / `eval` 的模式;目的是为切换模型训练和推理(会关闭dropout等)模式; | |||
@@ -378,6 +401,7 @@ class Driver(ABC): | |||
中,我们需要先将模型移到 cpu 后,又再移到 gpu 上,因此不适宜在该函数内部调用 `unwrap_model`,而是将 model 作为该函数的参数; | |||
""" | |||
@abstractmethod | |||
def move_data_to_device(self, batch): | |||
r""" | |||
将数据迁移到指定的机器上;batch 可能是 list 也可能 dict ,或其嵌套结构。 | |||
@@ -399,17 +423,6 @@ class Driver(ABC): | |||
仅在多分布式训练场景中有使用。 | |||
""" | |||
@staticmethod | |||
def get_dataloader_args(dataloader): | |||
""" | |||
用于从 dataloader 中抽取一些属性的值,返回的dataclass中必须包含以下的key: | |||
sampler, batch_sampler, batch_size, drop_last; | |||
:param dataloader: | |||
:return: 返回一个 dataclass,其实例属性应当包括以上的各个属性,并且其名字也应当与这些属性相同,从而方便 trainer 或者其它对象调用; | |||
""" | |||
raise NotImplementedError("Each specific driver should implemented its own `get_dataloader_args` function.") | |||
def is_distributed(self) -> bool: | |||
""" | |||
当前的 driver 实例是否是分布式的; | |||
@@ -70,7 +70,8 @@ class JittorMPIDriver(JittorDriver): | |||
def test_step(self, batch): | |||
return self._test_step(batch) | |||
def replace_sampler(self, dataloader, dist_sampler: Optional[Union[str, ReproducibleIterator]] = "dist", reproducible: bool = False): | |||
def set_dist_repro_dataloader(self, dataloader, dist: Optional[Union[str, ReproducibleIterator]], | |||
reproducible: bool = False, sampler_or_batch_sampler=None): | |||
pass | |||
def backward(self, loss): | |||
@@ -99,14 +99,15 @@ class JittorSingleDriver(JittorDriver): | |||
def is_distributed(self): | |||
return False | |||
def replace_sampler(self, dataloader, dist_sampler: Union[str, ReproducibleBatchSampler, ReproducibleIterator], reproducible: bool = False): | |||
def set_dist_repro_dataloader(self, dataloader, dist: Union[str, ReproducibleBatchSampler, ReproducibleIterator], | |||
reproducible: bool = False, sampler_or_batch_sampler=None): | |||
# reproducible 的相关功能暂时没有实现 | |||
if isinstance(dist_sampler, ReproducibleBatchSampler): | |||
if isinstance(dist, ReproducibleBatchSampler): | |||
raise NotImplementedError | |||
dataloader.batch_sampler = dist_sample | |||
if isinstance(dist_sampler, ReproducibleIterator): | |||
if isinstance(dist, ReproducibleIterator): | |||
raise NotImplementedError | |||
dataloader.batch_sampler.sampler = dist_sampler | |||
dataloader.batch_sampler.sampler = dist | |||
if reproducible: | |||
raise NotImplementedError | |||
@@ -312,13 +312,14 @@ class PaddleFleetDriver(PaddleDriver): | |||
def test_step(self, batch): | |||
return self._test_step(batch) | |||
def replace_sampler(self, dataloader, dist_sampler: Optional[Union[str, ReproducibleIterator]] = "dist", reproducible: bool = False): | |||
def set_dist_repro_dataloader(self, dataloader, dist: Optional[Union[str, ReproducibleIterator]], | |||
reproducible: bool = False, sampler_or_batch_sampler=None): | |||
# 暂时不支持iterableDataset | |||
assert dataloader.dataset_kind != _DatasetKind.ITER, \ | |||
"FastNLP does not support `IteratorDataset` now." | |||
if isinstance(dist_sampler, ReproducibleIterator): | |||
dataloader.batch_sampler.sampler = dist_sampler | |||
if isinstance(dist, ReproducibleIterator): | |||
dataloader.batch_sampler.sampler = dist | |||
return dataloader | |||
# paddle 的 BatchSampler 和 DataLoader 没有 shuffle 成员,只能根据 sampler 判断 | |||
@@ -330,14 +331,14 @@ class PaddleFleetDriver(PaddleDriver): | |||
shuffle = dataloader.batch_sampler.shuffle | |||
# trainer, evaluator | |||
if dist_sampler is None: | |||
if dist is None: | |||
if reproducible: | |||
raise RuntimeError("It is not allowed to use checkpoint retraining when you initialize fleet out of our " | |||
"control.") | |||
else: | |||
return dataloader | |||
# trainer | |||
elif dist_sampler == "dist": | |||
elif dist == "dist": | |||
# 如果用户的 trainer.use_dist_sampler 为 True,那么此时其是否进行断点重训,不影响这里的行为; | |||
if isinstance(dataloader.batch_sampler.sampler, ReproducibleIterator): | |||
dataloader.batch_sampler.sampler.set_distributed( | |||
@@ -360,7 +361,7 @@ class PaddleFleetDriver(PaddleDriver): | |||
dataloader.batch_sampler.sampler = sampler | |||
return dataloader | |||
# evaluator | |||
elif dist_sampler == "unrepeatdist": | |||
elif dist == "unrepeatdist": | |||
sampler = UnrepeatedDistributedSampler( | |||
dataset=dataloader.dataset, | |||
shuffle=shuffle, | |||
@@ -139,15 +139,16 @@ class PaddleSingleDriver(PaddleDriver): | |||
""" | |||
return paddle_move_data_to_device(batch, "gpu:0") | |||
def replace_sampler(self, dataloader, dist_sampler: Union[str, ReproducibleBatchSampler, ReproducibleIterator], reproducible: bool = False): | |||
def set_dist_repro_dataloader(self, dataloader, dist: Union[str, ReproducibleBatchSampler, ReproducibleIterator], | |||
reproducible: bool = False, sampler_or_batch_sampler=None): | |||
# 暂时不支持IteratorDataset | |||
assert dataloader.dataset_kind != _DatasetKind.ITER, \ | |||
"FastNLP does not support `IteratorDataset` now." | |||
if isinstance(dist_sampler, ReproducibleBatchSampler): | |||
dataloader.batch_sampler = dist_sampler | |||
if isinstance(dist, ReproducibleBatchSampler): | |||
dataloader.batch_sampler = dist | |||
return dataloader | |||
if isinstance(dist_sampler, ReproducibleIterator): | |||
dataloader.batch_sampler.sampler = dist_sampler | |||
if isinstance(dist, ReproducibleIterator): | |||
dataloader.batch_sampler.sampler = dist | |||
return dataloader | |||
if reproducible: | |||
@@ -445,21 +445,22 @@ class TorchDDPDriver(TorchDriver): | |||
# return self.model(batch, **{_MODE_PARAMETER: ForwardState.TEST}) | |||
return self._test_step(batch) | |||
def replace_sampler(self, dataloader, dist_sampler: Optional[Union[str, ReproducibleIterator]] = "dist", reproducible: bool = False): | |||
if isinstance(dist_sampler, ReproducibleIterator): | |||
def set_dist_repro_dataloader(self, dataloader, dist: Optional[Union[str, ReproducibleIterator]], | |||
reproducible: bool = False, sampler_or_batch_sampler=None): | |||
if isinstance(dist, ReproducibleIterator): | |||
# 注意这里不需要调用 dist_sampler.set_distributed;因为如果用户使用的是 TorchDDPDriver,那么其在 Trainer 初始化的时候就已经调用了该函数; | |||
dist_sampler = re_instantiate_sampler(dist_sampler) | |||
return replace_sampler(dataloader, dist_sampler) | |||
dist = re_instantiate_sampler(dist) | |||
return replace_sampler(dataloader, dist) | |||
# trainer, evaluator | |||
if dist_sampler is None: | |||
if dist is None: | |||
if reproducible: | |||
raise RuntimeError("It is not allowed to use checkpoint retraining when you initialize ddp out of our " | |||
"control.") | |||
else: | |||
return dataloader | |||
# trainer | |||
elif dist_sampler == "dist": | |||
elif dist == "dist": | |||
args = self.get_dataloader_args(dataloader) | |||
# 如果用户的 trainer.use_dist_sampler 为 True,那么此时其是否进行断点重训,不影响这里的行为; | |||
if isinstance(args.sampler, ReproducibleIterator): | |||
@@ -485,7 +486,7 @@ class TorchDDPDriver(TorchDriver): | |||
return replace_sampler(dataloader, sampler) | |||
# evaluator | |||
elif dist_sampler == "unrepeatdist": | |||
elif dist == "unrepeatdist": | |||
args = self.get_dataloader_args(dataloader) | |||
sampler = UnrepeatedDistributedSampler( | |||
dataset=args.dataset, | |||
@@ -130,12 +130,12 @@ class TorchSingleDriver(TorchDriver): | |||
else: | |||
return self._test_step(batch) | |||
def replace_sampler(self, dataloader, dist_sampler: Union[str, ReproducibleBatchSampler, ReproducibleIterator], | |||
reproducible: bool = False): | |||
if isinstance(dist_sampler, ReproducibleBatchSampler): | |||
return replace_batch_sampler(dataloader, dist_sampler) | |||
elif isinstance(dist_sampler, ReproducibleIterator): | |||
return replace_sampler(dataloader, dist_sampler) | |||
def set_dist_repro_dataloader(self, dataloader, dist: Union[str, ReproducibleBatchSampler, ReproducibleIterator], | |||
reproducible: bool = False, sampler_or_batch_sampler=None): | |||
if isinstance(dist, ReproducibleBatchSampler): | |||
return replace_batch_sampler(dataloader, dist) | |||
elif isinstance(dist, ReproducibleIterator): | |||
return replace_sampler(dataloader, dist) | |||
if reproducible: | |||
args = self.get_dataloader_args(dataloader) | |||
@@ -30,6 +30,7 @@ from fastNLP.core.utils import apply_to_collection, torch_move_data_to_device | |||
from fastNLP.envs import rank_zero_call | |||
from fastNLP.envs import FASTNLP_SEED_WORKERS, FASTNLP_GLOBAL_RANK, FASTNLP_MODEL_FILENAME, FASTNLP_CHECKPOINT_FILENAME | |||
from fastNLP.core.log import logger | |||
from fastNLP.core.samplers import ReproducibleBatchSampler | |||
class TorchDriver(Driver): | |||
@@ -178,8 +179,28 @@ class TorchDriver(Driver): | |||
model.load_state_dict(res.state_dict()) | |||
@rank_zero_call | |||
def save(self, folder: Path, states: Dict, only_state_dict: bool = True, should_save_model: bool = True, **kwargs): | |||
# 1. 保存模型的状态; | |||
def save(self, folder: Path, states: Dict, dataloader, only_state_dict: bool = True, should_save_model: bool = True, **kwargs): | |||
# 传入的 dataloader 参数是 trainer 的 dataloader 属性,因为 driver 的所有 dataloader 我们是不会去改变它的,而是通过改变 | |||
# trainer.dataloader 来改变 dataloader 的状态,从而适配训练或者评测环境; | |||
# 1. sampler 的状态,因为我们支持 resume training,即精确恢复到具体的一个 batch; | |||
# 首先 pytorch 的 DataLoader 一定会有 sampler;另一方面,我们在断点重训的时候一定会在 `replace_sampler` 中将 dataloader 的 | |||
# sampler 替换为 `ReproducibleIterator`;否则就是在单卡情况下将 batch_sampler 替换为 `ReproducibleBatchSampler`; | |||
dataloader_args = self.get_dataloader_args(dataloader) | |||
if isinstance(dataloader_args.batch_sampler, ReproducibleBatchSampler): | |||
sampler = dataloader_args.batch_sampler | |||
elif dataloader_args.sampler: | |||
sampler = dataloader_args.sampler | |||
else: | |||
raise RuntimeError("This condition is not supposed to appear. Please report a bug to us.") | |||
if hasattr(sampler, 'state_dict') and callable(sampler.state_dict): | |||
states['sampler_states'] = sampler.state_dict() | |||
else: | |||
raise RuntimeError( | |||
'The sampler has no `state_dict()` method, it will fail to recover to the specific batch.') | |||
# 2. 保存模型的状态; | |||
if should_save_model: | |||
model = self.unwrap_model() | |||
if only_state_dict: | |||
@@ -191,7 +212,7 @@ class TorchDriver(Driver): | |||
torch.save(model, folder.joinpath(FASTNLP_MODEL_FILENAME)) | |||
logger.debug("Save model") | |||
# 2. 保存 optimizers 的状态; | |||
# 3. 保存 optimizers 的状态; | |||
optimizers_state_dict = {} | |||
for i in range(len(self.optimizers)): | |||
optimizer: torch.optim.Optimizer = self.optimizers[i] | |||
@@ -203,7 +224,7 @@ class TorchDriver(Driver): | |||
states["optimizers_state_dict"] = optimizers_state_dict | |||
torch.save(states, Path(folder).joinpath(FASTNLP_CHECKPOINT_FILENAME)) | |||
def load(self, folder: Path, only_state_dict: bool = True, should_load_model: bool = True, **kwargs) -> Dict: | |||
def load(self, folder: Path, dataloader, only_state_dict: bool = True, should_load_model: bool = True, **kwargs) -> Dict: | |||
states = torch.load(folder.joinpath(FASTNLP_CHECKPOINT_FILENAME)) | |||
# 1. 加载 optimizers 的状态; | |||
@@ -224,6 +245,39 @@ class TorchDriver(Driver): | |||
model.load_state_dict(res.state_dict()) | |||
logger.debug("Load model.") | |||
# 3. 恢复 sampler 的状态; | |||
dataloader_args = self.get_dataloader_args(dataloader) | |||
sampler = dataloader_args.sampler | |||
if not (hasattr(sampler, 'load_state_dict') and callable(sampler.load_state_dict)): | |||
# 说明这里需要使用 ReproduceSampler 来弄一下了 | |||
if self.is_distributed(): | |||
raise RuntimeError( | |||
"It is not allowed to use single device checkpoint retraining before but ddp now.") | |||
sampler = ReproducibleBatchSampler( | |||
batch_sampler=sampler, | |||
batch_size=dataloader_args.batch_size, | |||
drop_last=dataloader_args.drop_last | |||
) | |||
sampler.load_state_dict(states['sampler_states']) | |||
states["dataloader"] = self.set_dist_repro_dataloader(dataloader, sampler) | |||
# 4. 修改 trainer_state.batch_idx_in_epoch | |||
# sampler 是类似 RandomSampler 的sampler,不是 batch_sampler; | |||
if not isinstance(sampler, ReproducibleBatchSampler): | |||
if dataloader_args.drop_last: | |||
batch_idx_in_epoch = len( | |||
sampler) // dataloader_args.batch_size - sampler.num_left_samples // dataloader_args.batch_size | |||
else: | |||
batch_idx_in_epoch = (len(sampler) + dataloader_args.batch_size - 1) // dataloader_args.batch_size - \ | |||
(sampler.num_left_samples + dataloader_args.batch_size - 1) // dataloader_args.batch_size | |||
# sampler 是 batch_sampler; | |||
else: | |||
batch_idx_in_epoch = sampler.batch_idx_in_epoch | |||
states["batch_idx_in_epoch"] = batch_idx_in_epoch | |||
return states | |||
def get_evaluate_context(self): | |||
@@ -50,6 +50,14 @@ class ReproducibleIterator: | |||
class RandomSampler(ReproducibleIterator): | |||
def __init__(self, dataset, shuffle: bool = True, seed: int = 0, **kwargs): | |||
""" | |||
:param dataset: 实现了 __len__ 方法的数据容器 | |||
:param shuffle: 是否在每次 iterate 的时候打乱顺序。 | |||
:param seed: 随机数种子。 | |||
:param kwargs: 用户不需要使用,fastNLP 内部使用 | |||
""" | |||
self.dataset = dataset | |||
self.shuffle = shuffle | |||
@@ -208,6 +216,15 @@ class RandomSampler(ReproducibleIterator): | |||
class ReproducibleBatchSampler: | |||
# 这两个参数的值应当交给 driver 的 get_dataloader_args 函数去拿; | |||
def __init__(self, batch_sampler, batch_size: int, drop_last: bool, **kwargs): | |||
""" | |||
可以使得 batch_sampler 对象状态恢复的 wrapper 。 | |||
:param batch_sampler: 可迭代出 数字 或 数字列表 的可迭代对象。ReproducibleBatchSampler 将首先遍历一边该对象,然后将迭代 | |||
出来的序号暂存起来,使用时按照 batch_size 的 batch 大小吐出序号列表。 | |||
:param batch_size: 每个 batch 的大小是多少。 | |||
:param drop_last: 如果最后一个 batch 无法构成 batch_size 那么多个 sample ,是否丢掉。 | |||
:param kwargs: fastNLP 内部使用。 | |||
""" | |||
self.batch_sampler = batch_sampler | |||
self.batch_size = batch_size | |||
self.drop_last = drop_last | |||
@@ -15,7 +15,7 @@ def remove_local_rank_in_argv(): | |||
""" | |||
index = -1 | |||
for i, v in enumerate(sys.argv): | |||
if v.startswith('--rank='): | |||
if v.startswith('--local_rank='): | |||
os.environ['LOCAL_RANK'] = v.split('=')[1] | |||
index = i | |||
break | |||
@@ -3,4 +3,4 @@ prettytable>=0.7.2 | |||
requests | |||
regex!=2019.12.17 | |||
rich==11.2.0 | |||
# fsspec[http]>=2021.05.0, !=2021.06.0 | |||
packaging |
@@ -316,7 +316,7 @@ def test_model_checkpoint_callback_2( | |||
dist.destroy_process_group() | |||
@pytest.mark.parametrize("driver,device", [("torch", "cpu"), ("torch_ddp", [0, 1]), ("torch", 1)]) # ("torch", "cpu"), ("torch_ddp", [0, 1]), ("torch", 1) | |||
@pytest.mark.parametrize("driver,device", [("torch", "cpu"), ("torch_ddp", [6, 7]), ("torch", 7)]) # ("torch", "cpu"), ("torch_ddp", [0, 1]), ("torch", 1) | |||
@pytest.mark.parametrize("version", [0, 1]) | |||
@pytest.mark.parametrize("only_state_dict", [True, False]) | |||
@magic_argv_env_context | |||
@@ -466,7 +466,7 @@ def test_trainer_checkpoint_callback_1( | |||
# 通过自己编写 model_save_fn 和 model_load_fn 来测试 huggingface 的 transformers 的模型的保存和加载; | |||
@pytest.mark.parametrize("driver,device", [("torch_ddp", [0, 1]), ("torch", 1)]) # ("torch", "cpu"), ("torch_ddp", [0, 1]), ("torch", 1) | |||
@pytest.mark.parametrize("driver,device", [("torch_ddp", [6, 7]), ("torch", 7)]) # ("torch", "cpu"), ("torch_ddp", [0, 1]), ("torch", 1) | |||
@pytest.mark.parametrize("version", [0, 1]) | |||
@magic_argv_env_context | |||
def test_trainer_checkpoint_callback_2( | |||
@@ -6,7 +6,7 @@ python -m torch.distributed.launch --nproc_per_node 2 tests/core/controllers/_te | |||
import argparse | |||
import os | |||
os.environ["CUDA_VISIBLE_DEVICES"] = "4,5" | |||
os.environ["CUDA_VISIBLE_DEVICES"] = "1,2" | |||
import sys | |||
path = os.path.abspath(__file__) | |||
@@ -101,7 +101,7 @@ def _test_trainer_torch_with_evaluator_fp16_accumulation_steps( | |||
) | |||
trainer.run() | |||
dist.barrier() | |||
# dist.barrier() | |||
if __name__ == "__main__": | |||
@@ -6,7 +6,7 @@ python -m torch.distributed.launch --nproc_per_node 2 tests/core/controllers/_te | |||
import argparse | |||
import os | |||
os.environ["CUDA_VISIBLE_DEVICES"] = "4,5" | |||
os.environ["CUDA_VISIBLE_DEVICES"] = "1,2" | |||
import sys | |||
path = os.path.abspath(__file__) | |||
@@ -77,15 +77,14 @@ def model_and_optimizers(request): | |||
# 测试一下 cpu; | |||
@pytest.mark.parametrize("driver,device", [("torch", "cpu")]) | |||
@pytest.mark.parametrize("callbacks", [[RecordLossCallback(loss_threshold=0.1)]]) | |||
@magic_argv_env_context | |||
def test_trainer_torch_without_evaluator( | |||
model_and_optimizers: TrainerParameters, | |||
driver, | |||
device, | |||
callbacks, | |||
n_epochs=10, | |||
): | |||
callbacks = [RecordLossCallback(loss_threshold=0.1)] | |||
trainer = Trainer( | |||
model=model_and_optimizers.model, | |||
driver=driver, | |||
@@ -108,8 +107,7 @@ def test_trainer_torch_without_evaluator( | |||
dist.destroy_process_group() | |||
@pytest.mark.parametrize("driver,device", [("torch", 4), ("torch", [4, 5])]) # ("torch", 4), | |||
@pytest.mark.parametrize("callbacks", [[RecordLossCallback(loss_threshold=0.1)]]) | |||
@pytest.mark.parametrize("driver,device", [("torch", 1), ("torch", [1, 2])]) # ("torch", 4), | |||
@pytest.mark.parametrize("fp16", [False, True]) | |||
@pytest.mark.parametrize("accumulation_steps", [1, 3]) | |||
@magic_argv_env_context | |||
@@ -117,11 +115,11 @@ def test_trainer_torch_without_evaluator_fp16_accumulation_steps( | |||
model_and_optimizers: TrainerParameters, | |||
driver, | |||
device, | |||
callbacks, | |||
fp16, | |||
accumulation_steps, | |||
n_epochs=10, | |||
): | |||
callbacks = [RecordLossCallback(loss_threshold=0.1)] | |||
trainer = Trainer( | |||
model=model_and_optimizers.model, | |||
driver=driver, | |||
@@ -148,7 +146,7 @@ def test_trainer_torch_without_evaluator_fp16_accumulation_steps( | |||
# 测试 accumulation_steps; | |||
@pytest.mark.parametrize("driver,device", [("torch", "cpu"), ("torch", 4), ("torch", [4, 5])]) | |||
@pytest.mark.parametrize("driver,device", [("torch", "cpu"), ("torch", 1), ("torch", [1, 2])]) | |||
@pytest.mark.parametrize("accumulation_steps", [1, 3]) | |||
@magic_argv_env_context | |||
def test_trainer_torch_without_evaluator_accumulation_steps( | |||
@@ -181,7 +179,7 @@ def test_trainer_torch_without_evaluator_accumulation_steps( | |||
dist.destroy_process_group() | |||
@pytest.mark.parametrize("driver,device", [("torch", [6, 7])]) | |||
@pytest.mark.parametrize("driver,device", [("torch", [1, 2])]) | |||
@pytest.mark.parametrize("output_from_new_proc", ["all", "ignore", "only_error", "test_log"]) | |||
@magic_argv_env_context | |||
def test_trainer_output_from_new_proc( | |||
@@ -244,7 +242,7 @@ def test_trainer_output_from_new_proc( | |||
synchronize_safe_rm(path) | |||
@pytest.mark.parametrize("driver,device", [("torch", [4, 5])]) | |||
@pytest.mark.parametrize("driver,device", [("torch", [1, 2])]) | |||
@pytest.mark.parametrize("cur_rank", [0]) # 依次测试如果是当前进程出现错误,是否能够正确地 kill 掉其他进程; , 1, 2, 3 | |||
@magic_argv_env_context | |||
def test_trainer_on_exception( | |||
@@ -1,12 +1,9 @@ | |||
import pytest | |||
import sys | |||
import os | |||
import numpy as np | |||
from fastNLP.envs.set_backend import set_env | |||
from fastNLP.envs.set_env_on_import import set_env_on_import_paddle | |||
set_env_on_import_paddle() | |||
set_env("paddle") | |||
import paddle | |||
import paddle.distributed as dist | |||
from paddle.io import DataLoader | |||
@@ -54,6 +51,7 @@ def test_move_data_to_device(): | |||
dist.barrier() | |||
@magic_argv_env_context | |||
def test_is_distributed(): | |||
print(os.getenv("CUDA_VISIBLE_DEVICES")) | |||
@@ -64,6 +62,7 @@ def test_is_distributed(): | |||
driver = PaddleFleetDriver( | |||
model=paddle_model, | |||
parallel_device=[0,1], | |||
output_from_new_proc='all' | |||
) | |||
driver.set_optimizers(paddle_opt) | |||
# 区分launch和子进程setup的时候 | |||
@@ -79,6 +78,7 @@ def test_is_distributed(): | |||
synchronize_safe_rm("log") | |||
dist.barrier() | |||
@magic_argv_env_context | |||
def test_get_no_sync_context(): | |||
""" | |||
@@ -105,6 +105,7 @@ def test_get_no_sync_context(): | |||
synchronize_safe_rm("log") | |||
dist.barrier() | |||
@magic_argv_env_context | |||
def test_is_global_zero(): | |||
try: | |||
@@ -128,6 +129,8 @@ def test_is_global_zero(): | |||
synchronize_safe_rm("log") | |||
dist.barrier() | |||
@magic_argv_env_context | |||
def test_unwrap_model(): | |||
try: | |||
@@ -204,7 +207,7 @@ def test_replace_sampler(dist_sampler, reproducible): | |||
else: | |||
driver.setup() | |||
dataloader = DataLoader(PaddleDataset_MNIST("train"), batch_size=100, shuffle=True) | |||
driver.replace_sampler(dataloader, dist_sampler, reproducible) | |||
driver.set_dist_repro_dataloader(dataloader, dist_sampler, reproducible) | |||
finally: | |||
synchronize_safe_rm("log") | |||
dist.barrier() | |||
@@ -243,7 +246,7 @@ class SingleMachineMultiGPUTrainingTestCase: | |||
parallel_device=gpus, | |||
) | |||
driver.set_optimizers(paddle_opt) | |||
dataloader = driver.replace_sampler(dataloader) | |||
dataloader = driver.set_dist_repro_dataloader(dataloader, ) | |||
driver.setup() | |||
# 检查model_device | |||
self.assertEqual(driver.model_device, f"gpu:{os.environ['PADDLE_LOCAL_DEVICE_IDS']}") | |||
@@ -164,4 +164,4 @@ class TestSingleDeviceFunction: | |||
""" | |||
dataloader = DataLoader(PaddleDataset_MNIST("train"), batch_size=100, shuffle=True) | |||
res = self.driver.replace_sampler(dataloader, dist_sampler, reproducible) | |||
res = self.driver.set_dist_repro_dataloader(dataloader, dist_sampler, reproducible) |
@@ -33,11 +33,15 @@ def check_replace_sampler(driver): | |||
# dist_sampler 可以选择的有['dist', 'unrepeatdist', None]或者是ReproducibleSampler,ReproducibleBatchSampler | |||
# reproducible 是 True 和 False | |||
# 需要 check 返回的 sampler 和 dataloader 都不同了 | |||
assert driver.is_distributed() is False, "This test only for non distributed sampler." | |||
ds = SequenceDataSet(10) | |||
dataloader = DataLoader(dataset=ds, batch_size=2, collate_fn=lambda x:x, shuffle=True) | |||
dl1 = driver.replace_sampler(dataloader, dist_sampler='dist', reproducible=True) | |||
dl1 = driver.set_dist_repro_dataloader(dataloader, dist='dist', reproducible=True) | |||
assert not (dl1.sampler is dataloader.sampler), "The sampler should not the same one." | |||
assert not (dl1 is dataloader), "The dataloader should not the same one." | |||
# 迭代两个 batch | |||
already_seen_idx = set() | |||
@@ -68,6 +72,22 @@ def check_replace_sampler(driver): | |||
assert b not in already_seen_idx | |||
assert b in left_idxes | |||
# 需要 check 替换为 unrepeatdist 的时候没有问题:(1) 不会多pad;(2)所有卡互相不重复 | |||
ds = SequenceDataSet(11) | |||
dataloader = DataLoader(dataset=ds, batch_size=2, collate_fn=lambda x:x, shuffle=True) | |||
dl1 = driver.set_dist_repro_dataloader(dataloader, dist='unrepeatdist', reproducible=True) | |||
world_size = 3 | |||
indices = [] | |||
for i in range(world_size): | |||
dl1.sampler.set_distributed(num_replicas=world_size, rank=i) | |||
for idx, batch in dl1: | |||
indices.extend(batch) | |||
assert len(indices)==len(ds) # 应该没有任何重复 | |||
assert len(set(indices))==len(indices) # 应该全是不一样的indice | |||
@@ -0,0 +1,300 @@ | |||
import os | |||
import tempfile | |||
import datetime | |||
from pathlib import Path | |||
import logging | |||
import re | |||
from fastNLP.envs.env import FASTNLP_LAUNCH_TIME | |||
from tests.helpers.utils import magic_argv_env_context | |||
from fastNLP.core import synchronize_safe_rm | |||
# 测试 TorchDDPDriver; | |||
@magic_argv_env_context | |||
def test_add_file_ddp_1(): | |||
""" | |||
测试 path 是一个文件的地址,但是这个文件所在的文件夹存在; | |||
多卡时根据时间创造文件名字有一个很大的 bug,就是不同的进程启动之间是有时差的,因此会导致他们各自输出到单独的 log 文件中; | |||
""" | |||
import torch | |||
import torch.distributed as dist | |||
from fastNLP.core.log.logger import logger | |||
from fastNLP.core.drivers.torch_driver.ddp import TorchDDPDriver | |||
from tests.helpers.models.torch_model import TorchNormalModel_Classification_1 | |||
model = TorchNormalModel_Classification_1(num_labels=3, feature_dimension=10) | |||
driver = TorchDDPDriver( | |||
model=model, | |||
parallel_device=[torch.device("cuda:0"), torch.device("cuda:1")], | |||
output_from_new_proc="all" | |||
) | |||
driver.setup() | |||
msg = 'some test log msg' | |||
path = Path.cwd() | |||
filepath = path.joinpath('log.txt') | |||
handler = logger.add_file(filepath, mode="w") | |||
logger.info(msg) | |||
logger.warning(f"\nrank {driver.get_local_rank()} should have this message!\n") | |||
for h in logger.handlers: | |||
if isinstance(h, logging.FileHandler): | |||
h.flush() | |||
dist.barrier() | |||
with open(filepath, 'r') as f: | |||
line = ''.join([l for l in f]) | |||
assert msg in line | |||
assert f"\nrank {driver.get_local_rank()} should have this message!\n" in line | |||
pattern = re.compile(msg) | |||
assert len(pattern.findall(line)) == 1 | |||
synchronize_safe_rm(filepath) | |||
dist.barrier() | |||
dist.destroy_process_group() | |||
logger.removeHandler(handler) | |||
@magic_argv_env_context | |||
def test_add_file_ddp_2(): | |||
""" | |||
测试 path 是一个文件的地址,但是这个文件所在的文件夹不存在; | |||
""" | |||
import torch | |||
import torch.distributed as dist | |||
from fastNLP.core.log.logger import logger | |||
from fastNLP.core.drivers.torch_driver.ddp import TorchDDPDriver | |||
from tests.helpers.models.torch_model import TorchNormalModel_Classification_1 | |||
model = TorchNormalModel_Classification_1(num_labels=3, feature_dimension=10) | |||
driver = TorchDDPDriver( | |||
model=model, | |||
parallel_device=[torch.device("cuda:0"), torch.device("cuda:1")], | |||
output_from_new_proc="all" | |||
) | |||
driver.setup() | |||
msg = 'some test log msg' | |||
origin_path = Path.cwd() | |||
try: | |||
path = origin_path.joinpath("not_existed") | |||
filepath = path.joinpath('log.txt') | |||
handler = logger.add_file(filepath) | |||
logger.info(msg) | |||
logger.warning(f"\nrank {driver.get_local_rank()} should have this message!\n") | |||
for h in logger.handlers: | |||
if isinstance(h, logging.FileHandler): | |||
h.flush() | |||
dist.barrier() | |||
with open(filepath, 'r') as f: | |||
line = ''.join([l for l in f]) | |||
assert msg in line | |||
assert f"\nrank {driver.get_local_rank()} should have this message!\n" in line | |||
pattern = re.compile(msg) | |||
assert len(pattern.findall(line)) == 1 | |||
finally: | |||
synchronize_safe_rm(path) | |||
logger.removeHandler(handler) | |||
dist.barrier() | |||
dist.destroy_process_group() | |||
@magic_argv_env_context | |||
def test_add_file_ddp_3(): | |||
""" | |||
path = None; | |||
多卡时根据时间创造文件名字有一个很大的 bug,就是不同的进程启动之间是有时差的,因此会导致他们各自输出到单独的 log 文件中; | |||
""" | |||
import torch | |||
import torch.distributed as dist | |||
from fastNLP.core.log.logger import logger | |||
from fastNLP.core.drivers.torch_driver.ddp import TorchDDPDriver | |||
from tests.helpers.models.torch_model import TorchNormalModel_Classification_1 | |||
model = TorchNormalModel_Classification_1(num_labels=3, feature_dimension=10) | |||
driver = TorchDDPDriver( | |||
model=model, | |||
parallel_device=[torch.device("cuda:0"), torch.device("cuda:1")], | |||
output_from_new_proc="all" | |||
) | |||
driver.setup() | |||
msg = 'some test log msg' | |||
handler = logger.add_file() | |||
logger.info(msg) | |||
logger.warning(f"\nrank {driver.get_local_rank()} should have this message!\n") | |||
for h in logger.handlers: | |||
if isinstance(h, logging.FileHandler): | |||
h.flush() | |||
dist.barrier() | |||
file = Path.cwd().joinpath(os.environ.get(FASTNLP_LAUNCH_TIME)+".log") | |||
with open(file, 'r') as f: | |||
line = ''.join([l for l in f]) | |||
# print(f"\nrank: {driver.get_local_rank()} line, {line}\n") | |||
assert msg in line | |||
assert f"\nrank {driver.get_local_rank()} should have this message!\n" in line | |||
pattern = re.compile(msg) | |||
assert len(pattern.findall(line)) == 1 | |||
synchronize_safe_rm(file) | |||
dist.barrier() | |||
dist.destroy_process_group() | |||
logger.removeHandler(handler) | |||
@magic_argv_env_context | |||
def test_add_file_ddp_4(): | |||
""" | |||
测试 path 是文件夹; | |||
""" | |||
import torch | |||
import torch.distributed as dist | |||
from fastNLP.core.log.logger import logger | |||
from fastNLP.core.drivers.torch_driver.ddp import TorchDDPDriver | |||
from tests.helpers.models.torch_model import TorchNormalModel_Classification_1 | |||
model = TorchNormalModel_Classification_1(num_labels=3, feature_dimension=10) | |||
driver = TorchDDPDriver( | |||
model=model, | |||
parallel_device=[torch.device("cuda:0"), torch.device("cuda:1")], | |||
output_from_new_proc="all" | |||
) | |||
driver.setup() | |||
msg = 'some test log msg' | |||
path = Path.cwd().joinpath("not_existed") | |||
try: | |||
handler = logger.add_file(path) | |||
logger.info(msg) | |||
logger.warning(f"\nrank {driver.get_local_rank()} should have this message!\n") | |||
for h in logger.handlers: | |||
if isinstance(h, logging.FileHandler): | |||
h.flush() | |||
dist.barrier() | |||
file = path.joinpath(os.environ.get(FASTNLP_LAUNCH_TIME) + ".log") | |||
with open(file, 'r') as f: | |||
line = ''.join([l for l in f]) | |||
assert msg in line | |||
assert f"\nrank {driver.get_local_rank()} should have this message!\n" in line | |||
pattern = re.compile(msg) | |||
assert len(pattern.findall(line)) == 1 | |||
finally: | |||
synchronize_safe_rm(path) | |||
logger.removeHandler(handler) | |||
dist.barrier() | |||
dist.destroy_process_group() | |||
class TestLogger: | |||
msg = 'some test log msg' | |||
def test_add_file_1(self): | |||
""" | |||
测试 path 是一个文件的地址,但是这个文件所在的文件夹存在; | |||
""" | |||
from fastNLP.core.log.logger import logger | |||
path = Path(tempfile.mkdtemp()) | |||
try: | |||
filepath = path.joinpath('log.txt') | |||
handler = logger.add_file(filepath) | |||
logger.info(self.msg) | |||
with open(filepath, 'r') as f: | |||
line = ''.join([l for l in f]) | |||
assert self.msg in line | |||
finally: | |||
synchronize_safe_rm(path) | |||
logger.removeHandler(handler) | |||
def test_add_file_2(self): | |||
""" | |||
测试 path 是一个文件的地址,但是这个文件所在的文件夹不存在; | |||
""" | |||
from fastNLP.core.log.logger import logger | |||
origin_path = Path(tempfile.mkdtemp()) | |||
try: | |||
path = origin_path.joinpath("not_existed") | |||
path = path.joinpath('log.txt') | |||
handler = logger.add_file(path) | |||
logger.info(self.msg) | |||
with open(path, 'r') as f: | |||
line = ''.join([l for l in f]) | |||
assert self.msg in line | |||
finally: | |||
synchronize_safe_rm(origin_path) | |||
logger.removeHandler(handler) | |||
def test_add_file_3(self): | |||
""" | |||
测试 path 是 None; | |||
""" | |||
from fastNLP.core.log.logger import logger | |||
handler = logger.add_file() | |||
logger.info(self.msg) | |||
path = Path.cwd() | |||
cur_datetime = str(datetime.datetime.now().strftime('%Y-%m-%d')) | |||
for file in path.iterdir(): | |||
if file.name.startswith(cur_datetime): | |||
with open(file, 'r') as f: | |||
line = ''.join([l for l in f]) | |||
assert self.msg in line | |||
file.unlink() | |||
logger.removeHandler(handler) | |||
def test_add_file_4(self): | |||
""" | |||
测试 path 是文件夹; | |||
""" | |||
from fastNLP.core.log.logger import logger | |||
path = Path(tempfile.mkdtemp()) | |||
try: | |||
handler = logger.add_file(path) | |||
logger.info(self.msg) | |||
cur_datetime = str(datetime.datetime.now().strftime('%Y-%m-%d')) | |||
for file in path.iterdir(): | |||
if file.name.startswith(cur_datetime): | |||
with open(file, 'r') as f: | |||
line = ''.join([l for l in f]) | |||
assert self.msg in line | |||
finally: | |||
synchronize_safe_rm(path) | |||
logger.removeHandler(handler) | |||
def test_stdout(self, capsys): | |||
from fastNLP.core.log.logger import logger | |||
handler = logger.set_stdout(stdout="raw") | |||
logger.info(self.msg) | |||
logger.debug('aabbc') | |||
captured = capsys.readouterr() | |||
assert "some test log msg\n" == captured.out | |||
logger.removeHandler(handler) | |||
@@ -10,13 +10,6 @@ from fastNLP.core.drivers.torch_driver.utils import replace_batch_sampler | |||
from tests.helpers.datasets.torch_data import TorchNormalDataset | |||
class SamplerTest(unittest.TestCase): | |||
def test_sequentialsampler(self): | |||