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feat: continuous batching with vLLM (#349)

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Signed-off-by: Aaron <29749331+aarnphm@users.noreply.github.com>

* feat: continuous batching

Signed-off-by: paperspace <29749331+aarnphm@users.noreply.github.com>

* chore: add changeloe

Signed-off-by: paperspace <29749331+aarnphm@users.noreply.github.com>

* chore: add one shot generation

Signed-off-by: paperspace <29749331+aarnphm@users.noreply.github.com>

---------

Signed-off-by: paperspace <29749331+aarnphm@users.noreply.github.com>
Signed-off-by: Aaron <29749331+aarnphm@users.noreply.github.com>
This commit is contained in:
Aaron Pham
2023-09-14 03:09:36 -04:00
committed by GitHub
parent e35e143093
commit ad9107958d
22 changed files with 336 additions and 232 deletions
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14
openllm-python/src/openllm/models/starcoder/modeling_starcoder.py
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@@ -1,5 +1,4 @@
from __future__ import annotations
import logging
import typing as t
import bentoml
@@ -31,16 +30,3 @@ class StarCoder(openllm.LLM['transformers.GPTBigCodeForCausalLM', 'transformers.
return bentoml.transformers.save_model(self.tag, model, custom_objects={'tokenizer': tokenizer}, labels=generate_labels(self))
finally:
torch.cuda.empty_cache()
def generate(self, prompt: str, **attrs: t.Any) -> list[str]:
import torch
with torch.inference_mode():
# eos_token_id=self.tokenizer.convert_tokens_to_ids("<|end|>"), # NOTE: this is for finetuning starcoder
# NOTE: support fine-tuning starcoder
result_tensor = self.model.generate(self.tokenizer.encode(prompt, return_tensors='pt').to(self.device),
do_sample=True,
pad_token_id=self.tokenizer.eos_token_id,
generation_config=self.config.model_construct_env(**attrs).to_generation_config())
# TODO: We will probably want to return the tokenizer here so that we can manually process this
# return (skip_special_tokens=False, clean_up_tokenization_spaces=False))
return self.tokenizer.batch_decode(result_tensor[0], skip_special_tokens=True, clean_up_tokenization_spaces=True)