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https://github.com/NVIDIA/TensorRT-LLM.git
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61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
import tempfile
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from pathlib import Path
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import torch
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from tensorrt_llm.llmapi.llm_utils import *
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# isort: off
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from .test_llm import llama_model_path
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# isort: on
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from tensorrt_llm.llmapi.llm_args import *
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def test_ModelLoader():
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kv_cache_config = KvCacheConfig(free_gpu_memory_fraction=0.4)
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args = TrtLlmArgs(model=llama_model_path, kv_cache_config=kv_cache_config)
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# Test with HF model
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temp_dir = tempfile.TemporaryDirectory()
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def build_engine():
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model_loader = ModelLoader(args)
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engine_dir = model_loader(engine_dir=Path(temp_dir.name))
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assert engine_dir
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return engine_dir
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# Test with engine
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args.model = build_engine()
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args.model_post_init({})
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assert args.model_format is _ModelFormatKind.TLLM_ENGINE
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print(f'engine_dir: {args.model}')
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model_loader = ModelLoader(args)
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engine_dir = model_loader()
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assert engine_dir == args.model
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def test_CachedModelLoader():
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# CachedModelLoader enables engine caching and multi-gpu building
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args = LlmArgs(model=llama_model_path,
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kv_cache_config=KvCacheConfig(free_gpu_memory_fraction=0.4))
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args.enable_build_cache = True
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args.model_post_init({})
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stats = LlmBuildStats()
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model_loader = CachedModelLoader(args, llm_build_stats=stats)
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engine_dir, _ = model_loader()
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assert engine_dir
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assert engine_dir.exists() and engine_dir.is_dir()
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model_format = ModelLoader.get_model_format(engine_dir)
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assert model_format is _ModelFormatKind.TLLM_ENGINE
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def test_LlmArgs_default_gpus_per_node():
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# default
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llm_args = LlmArgs(model=llama_model_path)
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assert llm_args.gpus_per_node == torch.cuda.device_count()
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# set explicitly
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llm_args = LlmArgs(model=llama_model_path, gpus_per_node=6)
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assert llm_args.gpus_per_node == 6
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