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Track losses with tensorboard #11568
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SwamiKannan afa4ab7
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SwamiKannan d006816
Updated self.model
SwamiKannan 114f580
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SwamiKannan 28e62dc
Delete sentence_transformer_tb.py
SwamiKannan 37129b3
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187 changes: 96 additions & 91 deletions
187
llama-index-finetuning/llama_index/finetuning/embeddings/sentence_transformer.py
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,91 +1,96 @@ | ||
"""Sentence Transformer Finetuning Engine.""" | ||
|
||
from typing import Any, Optional | ||
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||
from llama_index.core.base.embeddings.base import BaseEmbedding | ||
from llama_index.core.embeddings.utils import resolve_embed_model | ||
from llama_index.finetuning.embeddings.common import ( | ||
EmbeddingQAFinetuneDataset, | ||
) | ||
from llama_index.finetuning.types import BaseEmbeddingFinetuneEngine | ||
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||
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class SentenceTransformersFinetuneEngine(BaseEmbeddingFinetuneEngine): | ||
"""Sentence Transformers Finetune Engine.""" | ||
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||
def __init__( | ||
self, | ||
dataset: EmbeddingQAFinetuneDataset, | ||
model_id: str = "BAAI/bge-small-en", | ||
model_output_path: str = "exp_finetune", | ||
batch_size: int = 10, | ||
val_dataset: Optional[EmbeddingQAFinetuneDataset] = None, | ||
loss: Optional[Any] = None, | ||
epochs: int = 2, | ||
show_progress_bar: bool = True, | ||
evaluation_steps: int = 50, | ||
use_all_docs: bool = False, | ||
) -> None: | ||
"""Init params.""" | ||
from sentence_transformers import InputExample, SentenceTransformer, losses | ||
from torch.utils.data import DataLoader | ||
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self.dataset = dataset | ||
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self.model_id = model_id | ||
self.model_output_path = model_output_path | ||
self.model = SentenceTransformer(model_id) | ||
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self.use_all_docs = use_all_docs | ||
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examples: Any = [] | ||
for query_id, query in dataset.queries.items(): | ||
if use_all_docs: | ||
for node_id in dataset.relevant_docs[query_id]: | ||
text = dataset.corpus[node_id] | ||
example = InputExample(texts=[query, text]) | ||
examples.append(example) | ||
else: | ||
node_id = dataset.relevant_docs[query_id][0] | ||
text = dataset.corpus[node_id] | ||
example = InputExample(texts=[query, text]) | ||
examples.append(example) | ||
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self.examples = examples | ||
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self.loader: DataLoader = DataLoader(examples, batch_size=batch_size) | ||
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# define evaluator | ||
from sentence_transformers.evaluation import InformationRetrievalEvaluator | ||
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evaluator: Optional[InformationRetrievalEvaluator] = None | ||
if val_dataset is not None: | ||
evaluator = InformationRetrievalEvaluator( | ||
val_dataset.queries, val_dataset.corpus, val_dataset.relevant_docs | ||
) | ||
self.evaluator = evaluator | ||
|
||
# define loss | ||
self.loss = loss or losses.MultipleNegativesRankingLoss(self.model) | ||
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self.epochs = epochs | ||
self.show_progress_bar = show_progress_bar | ||
self.evaluation_steps = evaluation_steps | ||
self.warmup_steps = int(len(self.loader) * epochs * 0.1) | ||
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def finetune(self, **train_kwargs: Any) -> None: | ||
"""Finetune model.""" | ||
self.model.fit( | ||
train_objectives=[(self.loader, self.loss)], | ||
epochs=self.epochs, | ||
warmup_steps=self.warmup_steps, | ||
output_path=self.model_output_path, | ||
show_progress_bar=self.show_progress_bar, | ||
evaluator=self.evaluator, | ||
evaluation_steps=self.evaluation_steps, | ||
) | ||
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def get_finetuned_model(self, **model_kwargs: Any) -> BaseEmbedding: | ||
"""Gets finetuned model.""" | ||
embed_model_str = "local:" + self.model_output_path | ||
return resolve_embed_model(embed_model_str) | ||
"""Sentence Transformer Finetuning Engine.""" | ||
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from typing import Any, Optional | ||
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from llama_index.core.base.embeddings.base import BaseEmbedding | ||
from llama_index.core.embeddings.utils import resolve_embed_model | ||
from llama_index.finetuning.embeddings.common import ( | ||
EmbeddingQAFinetuneDataset, | ||
) | ||
from llama_index.finetuning.types import BaseEmbeddingFinetuneEngine | ||
|
||
|
||
class SentenceTransformersFinetuneEngine(BaseEmbeddingFinetuneEngine): | ||
"""Sentence Transformers Finetune Engine.""" | ||
|
||
def __init__( | ||
self, | ||
dataset: EmbeddingQAFinetuneDataset, | ||
model_id: str = "BAAI/bge-small-en", | ||
model_output_path: str = "exp_finetune", | ||
batch_size: int = 10, | ||
val_dataset: Optional[EmbeddingQAFinetuneDataset] = None, | ||
loss: Optional[Any] = None, | ||
epochs: int = 2, | ||
show_progress_bar: bool = True, | ||
evaluation_steps: int = 50, | ||
use_all_docs: bool = False, | ||
log_path: str = None | ||
) -> None: | ||
"""Init params.""" | ||
from sentence_transformers import InputExample, SentenceTransformer, losses | ||
from sentence_transformers_tb import TBSentenceTransformer | ||
from torch.utils.data import DataLoader | ||
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self.dataset = dataset | ||
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self.model_id = model_id | ||
self.model_output_path = model_output_path | ||
if log_path: | ||
self.model = TBSentenceTransformer(model_id, writer_path = log_path) | ||
else: | ||
self.model = SentenceTransformer(model_id) | ||
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self.use_all_docs = use_all_docs | ||
|
||
examples: Any = [] | ||
for query_id, query in dataset.queries.items(): | ||
if use_all_docs: | ||
for node_id in dataset.relevant_docs[query_id]: | ||
text = dataset.corpus[node_id] | ||
example = InputExample(texts=[query, text]) | ||
examples.append(example) | ||
else: | ||
node_id = dataset.relevant_docs[query_id][0] | ||
text = dataset.corpus[node_id] | ||
example = InputExample(texts=[query, text]) | ||
examples.append(example) | ||
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self.examples = examples | ||
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self.loader: DataLoader = DataLoader(examples, batch_size=batch_size) | ||
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# define evaluator | ||
from sentence_transformers.evaluation import InformationRetrievalEvaluator | ||
|
||
evaluator: Optional[InformationRetrievalEvaluator] = None | ||
if val_dataset is not None: | ||
evaluator = InformationRetrievalEvaluator( | ||
val_dataset.queries, val_dataset.corpus, val_dataset.relevant_docs | ||
) | ||
self.evaluator = evaluator | ||
|
||
# define loss | ||
self.loss = loss or losses.MultipleNegativesRankingLoss(self.model) | ||
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||
self.epochs = epochs | ||
self.show_progress_bar = show_progress_bar | ||
self.evaluation_steps = evaluation_steps | ||
self.warmup_steps = int(len(self.loader) * epochs * 0.1) | ||
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||
def finetune(self, **train_kwargs: Any) -> None: | ||
"""Finetune model.""" | ||
self.model.fit( | ||
train_objectives=[(self.loader, self.loss)], | ||
epochs=self.epochs, | ||
warmup_steps=self.warmup_steps, | ||
output_path=self.model_output_path, | ||
show_progress_bar=self.show_progress_bar, | ||
evaluator=self.evaluator, | ||
evaluation_steps=self.evaluation_steps, | ||
) | ||
|
||
def get_finetuned_model(self, **model_kwargs: Any) -> BaseEmbedding: | ||
"""Gets finetuned model.""" | ||
embed_model_str = "local:" + self.model_output_path | ||
return resolve_embed_model(embed_model_str) |
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what is the change here for this file?
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So if a log_path is provided,
self.model will be a TBSentenceTransformer object
else if no log_path is provided,
self.model will be a standard SentenceTransformer object
Lines 40-43 in sentence_transformer.py