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* Update TensorRT-LLM --------- Co-authored-by: Starrick Liu <73152103+StarrickLiu@users.noreply.github.com>
60 lines
3.5 KiB
Python
60 lines
3.5 KiB
Python
### Generate text with multiple LoRA adapters
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from huggingface_hub import snapshot_download
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from tensorrt_llm import LLM, BuildConfig
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from tensorrt_llm.executor import LoRARequest
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from tensorrt_llm.lora_manager import LoraConfig
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def main():
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# Download the LoRA adapters from huggingface hub.
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lora_dir1 = snapshot_download(repo_id="snshrivas10/sft-tiny-chatbot")
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lora_dir2 = snapshot_download(
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repo_id="givyboy/TinyLlama-1.1B-Chat-v1.0-mental-health-conversational")
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lora_dir3 = snapshot_download(repo_id="barissglc/tinyllama-tarot-v1")
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# Currently, we need to pass at least one lora_dir to LLM constructor via build_config.lora_config.
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# This is necessary because it requires some configuration in the lora_dir to build the engine with LoRA support.
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build_config = BuildConfig()
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build_config.lora_config = LoraConfig(lora_dir=[lora_dir1])
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llm = LLM(model="TinyLlama/TinyLlama-1.1B-Chat-v1.0",
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enable_lora=True,
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max_lora_rank=64,
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build_config=build_config)
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# Sample prompts
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prompts = [
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"Hello, tell me a story: ",
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"Hello, tell me a story: ",
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"I've noticed you seem a bit down lately. Is there anything you'd like to talk about?",
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"I've noticed you seem a bit down lately. Is there anything you'd like to talk about?",
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"In this reading, the Justice card represents a situation where",
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"In this reading, the Justice card represents a situation where",
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]
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# At runtime, multiple LoRA adapters can be specified via lora_request; None means no LoRA used.
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for output in llm.generate(prompts,
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lora_request=[
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None,
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LoRARequest("chatbot", 1, lora_dir1), None,
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LoRARequest("mental-health", 2, lora_dir2),
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None,
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LoRARequest("tarot", 3, lora_dir3)
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]):
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prompt = output.prompt
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generated_text = output.outputs[0].text
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print(f"Prompt: {prompt!r}, Generated text: {generated_text!r}")
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# Got output like
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# Prompt: 'Hello, tell me a story: ', Generated text: '1. Start with a question: "What\'s your favorite color?" 2. Ask a question that leads to a story: "What\'s your'
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# Prompt: 'Hello, tell me a story: ', Generated text: '1. A person is walking down the street. 2. A person is sitting on a bench. 3. A person is reading a book.'
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# Prompt: "I've noticed you seem a bit down lately. Is there anything you'd like to talk about?", Generated text: "\n\nJASON: (smiling) No, I'm just feeling a bit overwhelmed lately. I've been trying to"
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# Prompt: "I've noticed you seem a bit down lately. Is there anything you'd like to talk about?", Generated text: "\n\nJASON: (sighs) Yeah, I've been struggling with some personal issues. I've been feeling like I'm"
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# Prompt: 'In this reading, the Justice card represents a situation where', Generated text: 'you are being asked to make a decision that will have a significant impact on your life. The card suggests that you should take the time to consider all the options'
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# Prompt: 'In this reading, the Justice card represents a situation where', Generated text: 'you are being asked to make a decision that will have a significant impact on your life. It is important to take the time to consider all the options and make'
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if __name__ == '__main__':
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main()
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