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Mistral-NeMo-12B recipe (NVIDIA#10607)
* Mistral-NeMo-12B recipe Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com> * rename mistral to mistral_7b Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com> * include mistral_nemo_12b in __init__ Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com> * Apply isort and black reformatting Signed-off-by: akoumpa <akoumpa@users.noreply.github.com> * add to __init__ Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com> * Apply isort and black reformatting Signed-off-by: akoumpa <akoumpa@users.noreply.github.com> * Remove stale imports Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com> * TP=2 Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com> * remove finetune_reci[e Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com> * Rename MistralNeMo2407Config12B to MistralNeMoConfig12B per review's suggestion Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com> * update config names in tests Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com> * mistral-nemo-12b from llama_8b Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com> * TP=2; SP=True Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com> * fix overlap value Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com> * Apply isort and black reformatting Signed-off-by: akoumpa <akoumpa@users.noreply.github.com> * update mistral-nemo-base-12b finetune recipe Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com> * Apply isort and black reformatting Signed-off-by: akoumpa <akoumpa@users.noreply.github.com> --------- Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com> Signed-off-by: akoumpa <akoumpa@users.noreply.github.com> Co-authored-by: akoumpa <akoumpa@users.noreply.github.com>
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# Copyright (c) 2024, NVIDIA CORPORATION. All rights reserved. | ||
# | ||
# Licensed under the Apache License, Version 2.0 (the "License"); | ||
# you may not use this file except in compliance with the License. | ||
# You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, software | ||
# distributed under the License is distributed on an "AS IS" BASIS, | ||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
# See the License for the specific language governing permissions and | ||
# limitations under the License. | ||
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from typing import Callable, Optional | ||
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import nemo_run as run | ||
import pytorch_lightning as pl | ||
import torch | ||
from megatron.core.distributed import DistributedDataParallelConfig | ||
from pytorch_lightning.callbacks.callback import Callback | ||
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from nemo import lightning as nl | ||
from nemo.collections.llm.api import finetune, pretrain | ||
from nemo.collections.llm.gpt.data.mock import MockDataModule | ||
from nemo.collections.llm.gpt.data.squad import SquadDataModule | ||
from nemo.collections.llm.gpt.model.mistral import MistralModel, MistralNeMoConfig12B | ||
from nemo.collections.llm.peft.lora import LoRA | ||
from nemo.collections.llm.recipes.finetune_default import default_finetune_recipe | ||
from nemo.collections.llm.recipes.log.default import default_log, default_resume, tensorboard_logger | ||
from nemo.collections.llm.recipes.optim.adam import distributed_fused_adam_with_cosine_annealing | ||
from nemo.collections.llm.recipes.precision.mixed_precision import bf16_mixed | ||
from nemo.lightning.pytorch.callbacks.megatron_comm_overlap import MegatronCommOverlapCallback | ||
from nemo.utils.exp_manager import TimingCallback | ||
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NAME = "mistral_nemo_base_12b" | ||
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@run.cli.factory(name=NAME) | ||
def model() -> run.Config[pl.LightningModule]: | ||
""" | ||
Factory function to create a Mistral-Nemo-Base-12B model configuration. | ||
Returns: | ||
run.Config[pl.LightningModule]: Configuration for the Mistral-Nemo-Base-12B model. | ||
Examples: | ||
CLI usage: | ||
$ nemo llm pretrain model=mistral_nemo_base_12b ... | ||
Python API usage: | ||
>>> model_config = model() | ||
>>> print(model_config) | ||
""" | ||
return run.Config(MistralModel, config=run.Config(MistralNeMoConfig12B)) | ||
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def trainer( | ||
tensor_parallelism: int = 2, | ||
pipeline_parallelism: int = 1, | ||
pipeline_parallelism_type: Optional[torch.dtype] = None, | ||
virtual_pipeline_parallelism: Optional[int] = None, | ||
context_parallelism: int = 2, | ||
sequence_parallelism: bool = True, | ||
num_nodes: int = 1, | ||
num_gpus_per_node: int = 8, | ||
max_steps: int = 1168251, | ||
callbacks: Optional[list[run.Config[Callback]]] = None, | ||
) -> run.Config[nl.Trainer]: | ||
""" | ||
Configure the NeMo Lightning Trainer for Mistral-Nemo-Base-12B model. | ||
This function sets up the distributed training strategy and other training parameters. | ||
Args: | ||
tensor_parallelism (int): Degree of tensor model parallelism. | ||
pipeline_parallelism (int): Degree of pipeline model parallelism. | ||
pipeline_parallelism_type (Optional[torch.dtype]): Data type for pipeline parallelism. | ||
virtual_pipeline_parallelism (Optional[int]): Size of virtual pipeline parallelism. | ||
context_parallelism (int): Degree of context parallelism. | ||
sequence_parallelism (bool): Whether to use sequence parallelism. | ||
num_nodes (int): Number of compute nodes to use. | ||
num_gpus_per_node (int): Number of GPUs per node. | ||
max_steps (int): Maximum number of training steps. | ||
callbacks (Optional[list[run.Config[Callback]]]): List of callback configurations. | ||
Returns: | ||
run.Config[nl.Trainer]: Configuration for the NeMo Lightning Trainer. | ||
Examples: | ||
CLI usage: | ||
$ nemo llm pretrain trainer=mistral_nemo_base_12b ... | ||
Python API usage: | ||
>>> trainer_config = trainer(num_nodes=2, num_gpus_per_node=8) | ||
>>> print(trainer_config) | ||
Note: | ||
For more information on distributed training strategies, refer to the | ||
NeMo documentation on multi-GPU and multi-node training. | ||
""" | ||
strategy = run.Config( | ||
nl.MegatronStrategy, | ||
tensor_model_parallel_size=tensor_parallelism, | ||
pipeline_model_parallel_size=pipeline_parallelism, | ||
pipeline_dtype=pipeline_parallelism_type, | ||
virtual_pipeline_model_parallel_size=virtual_pipeline_parallelism, | ||
context_parallel_size=context_parallelism, | ||
sequence_parallel=sequence_parallelism, | ||
gradient_as_bucket_view=True, | ||
ckpt_async_save=True, | ||
ckpt_parallel_load=True, | ||
ddp=run.Config( | ||
DistributedDataParallelConfig, | ||
check_for_nan_in_grad=True, | ||
grad_reduce_in_fp32=True, | ||
overlap_grad_reduce=True, | ||
overlap_param_gather=True, | ||
), | ||
) | ||
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trainer = run.Config( | ||
nl.Trainer, | ||
accelerator="gpu", | ||
accumulate_grad_batches=1, | ||
callbacks=callbacks, | ||
devices=num_gpus_per_node, | ||
limit_test_batches=50, | ||
limit_val_batches=32, | ||
log_every_n_steps=10, | ||
max_steps=max_steps, | ||
num_nodes=num_nodes, | ||
plugins=bf16_mixed(), | ||
strategy=strategy, | ||
use_distributed_sampler=False, | ||
val_check_interval=2000, | ||
) | ||
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return trainer | ||
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@run.cli.factory(target=pretrain, name=NAME) | ||
def pretrain_recipe( | ||
dir: Optional[str] = None, name: str = "default", num_nodes: int = 1, num_gpus_per_node: int = 8, fn=pretrain | ||
) -> run.Partial: | ||
""" | ||
Create a pre-training recipe for Mistral-Nemo-Base-12B model. | ||
This function sets up a complete configuration for pre-training, including | ||
model, trainer, data, logging, optimization, and resumption settings. | ||
Args: | ||
dir (Optional[str]): Directory for saving logs and checkpoints. | ||
name (str): Name of the pre-training run. | ||
num_nodes (int): Number of compute nodes to use. | ||
num_gpus_per_node (int): Number of GPUs per node. | ||
fn (Callable): The pre-training function to use. | ||
Returns: | ||
run.Partial: Partial configuration for pre-training. | ||
Examples: | ||
CLI usage: | ||
$ nemo llm pretrain --factory mistral_nemo_base_12b | ||
$ nemo llm pretrain --factory "mistral_nemo_base_12b(num_nodes=2, name='my_pretrain')" | ||
Python API usage: | ||
>>> recipe = pretrain_recipe(name="mistral_nemo_base_12b", num_nodes=2) | ||
>>> print(recipe) | ||
Note: | ||
For more details on pre-training LLMs with NeMo, see the pre-training | ||
guide in the `examples/llm/pretrain/` directory. | ||
""" | ||
return run.Partial( | ||
fn, | ||
model=model(), | ||
trainer=trainer( | ||
num_nodes=num_nodes, | ||
num_gpus_per_node=num_gpus_per_node, | ||
callbacks=[run.Config(TimingCallback)], | ||
), | ||
data=run.Config(MockDataModule, seq_length=8192, global_batch_size=512, micro_batch_size=1), | ||
log=default_log(dir=dir, name=name, tensorboard_logger=tensorboard_logger(name=name)), | ||
optim=distributed_fused_adam_with_cosine_annealing(max_lr=3e-4), | ||
resume=default_resume(), | ||
) | ||
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@run.cli.factory(target=pretrain, name=NAME + "_optimized") | ||
def pretrain_recipe_performance( | ||
dir: Optional[str] = None, | ||
name: str = "default", | ||
num_nodes: int = 1, | ||
num_gpus_per_node: int = 8, | ||
fn: Callable = pretrain, | ||
) -> run.Partial: | ||
""" | ||
Create a performance-optimized pre-training recipe for Mistral-Nemo-Base-12B model. | ||
This recipe enables performance optimizations that may not be suitable for all use cases. | ||
It builds upon the standard pre-training recipe and adds additional performance enhancements. | ||
Args: | ||
dir (Optional[str]): Directory for saving logs and checkpoints. | ||
name (str): Name of the pre-training run. | ||
num_nodes (int): Number of compute nodes to use. | ||
num_gpus_per_node (int): Number of GPUs per node. | ||
fn (Callable): The pre-training function to use. | ||
Returns: | ||
run.Partial: Partial configuration for performance-optimized pre-training. | ||
Examples: | ||
$ nemo llm pretrain --factory mistral_nemo_base_12b_optimized | ||
Python API usage: | ||
>>> recipe = pretrain_recipe_performance(name="mistral_nemo_base_12b_perf", num_nodes=4) | ||
>>> print(recipe) | ||
Note: | ||
Use this recipe with caution and only when you need maximum performance. | ||
It may not be suitable for all hardware configurations or use cases. | ||
""" | ||
recipe = pretrain_recipe(name=name, dir=dir, num_nodes=num_nodes, num_gpus_per_node=num_gpus_per_node, fn=fn) | ||
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recipe.trainer.callbacks.append( | ||
run.Config( | ||
MegatronCommOverlapCallback, | ||
tp_comm_overlap=True, | ||
) | ||
) | ||
return recipe | ||
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@run.cli.factory(target=finetune, name=NAME) | ||
def finetune_recipe( | ||
dir: Optional[str] = None, | ||
name: str = "default", | ||
num_nodes: int = 1, | ||
num_gpus_per_node: int = 8, | ||
peft_scheme: Optional[str] = 'lora', | ||
) -> run.Partial: | ||
""" | ||
Create a fine-tuning recipe for Mistral-Nemo-Base-12B model. | ||
This function sets up a complete configuration for fine-tuning, including | ||
model, trainer, data, logging, optimization, and resumption settings. | ||
The recipe uses LoRA (Low-Rank Adaptation) for efficient fine-tuning, unless peft_scheme is set to None. | ||
Args: | ||
dir (Optional[str]): Directory for saving logs and checkpoints. | ||
name (str): Name of the fine-tuning run. | ||
num_nodes (int): Number of compute nodes to use. | ||
num_gpus_per_node (int): Number of GPUs per node. | ||
peft_scheme (Optional[str]): Name of the peft scheme to use for fine-tuning. Allowed values: 'lora', 'none'/None. | ||
Returns: | ||
run.Partial: Partial configuration for fine-tuning. | ||
Examples: | ||
CLI usage: | ||
$ nemo llm finetune --factory mistral_nemo_base_12b | ||
Python API usage: | ||
>>> recipe = finetune_recipe(name="mistral_nemo_base_12b_finetune", num_nodes=2) | ||
>>> print(recipe) | ||
Note: | ||
This recipe uses the SQuAD dataset for fine-tuning. For more information | ||
on fine-tuning LLMs with NeMo, see the fine-tuning guide in the | ||
`examples/llm/finetune/` directory. | ||
""" | ||
recipe = default_finetune_recipe( | ||
model(), "mistralai/Mistral-Nemo-Base-2407", dir, name, num_nodes, num_gpus_per_node | ||
) | ||
if peft_scheme is None or peft_scheme.lower() == 'none': | ||
recipe.optim.config.lr = 5e-6 | ||
elif peft_scheme.lower() == 'lora': | ||
recipe.peft = run.Config(LoRA, target_modules=['linear_qkv', 'linear_proj'], dim=32) | ||
recipe.optim.config.lr = 1e-4 | ||
else: | ||
raise ValueError(f"Unrecognized peft scheme: {peft_scheme}") | ||
return recipe |
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