Support OLMo models. (#2832)

Author: Isotr0py

README.md

@@ -70,6 +70,7 @@ vLLM seamlessly supports many Hugging Face models, including the following archi
 - Mistral (`mistralai/Mistral-7B-v0.1`, `mistralai/Mistral-7B-Instruct-v0.1`, etc.)
 - Mixtral (`mistralai/Mixtral-8x7B-v0.1`, `mistralai/Mixtral-8x7B-Instruct-v0.1`, etc.)
 - MPT (`mosaicml/mpt-7b`, `mosaicml/mpt-30b`, etc.)
+- OLMo (`allenai/OLMo-1B`, `allenai/OLMo-7B`, etc.)
 - OPT (`facebook/opt-66b`, `facebook/opt-iml-max-30b`, etc.)
 - Phi (`microsoft/phi-1_5`, `microsoft/phi-2`, etc.)
 - Qwen (`Qwen/Qwen-7B`, `Qwen/Qwen-7B-Chat`, etc.)

docs/source/models/supported_models.rst

@@ -62,6 +62,9 @@ Alongside each architecture, we include some popular models that use it.
   * - :code:`MPTForCausalLM`
     - MPT, MPT-Instruct, MPT-Chat, MPT-StoryWriter
     - :code:`mosaicml/mpt-7b`, :code:`mosaicml/mpt-7b-storywriter`, :code:`mosaicml/mpt-30b`, etc.
+  * - :code:`OLMoForCausalLM`
+    - OLMo
+    - :code:`allenai/OLMo-1B`, :code:`allenai/OLMo-7B`, etc.
   * - :code:`OPTForCausalLM`
     - OPT, OPT-IML
     - :code:`facebook/opt-66b`, :code:`facebook/opt-iml-max-30b`, etc.

tests/models/test_models.py

@@ -5,11 +5,20 @@
 import pytest
 
 MODELS = [
-    "facebook/opt-125m", "meta-llama/Llama-2-7b-hf",
-    "mistralai/Mistral-7B-v0.1", "Deci/DeciLM-7b", "tiiuae/falcon-7b", "gpt2",
-    "bigcode/tiny_starcoder_py", "EleutherAI/gpt-j-6b",
-    "EleutherAI/pythia-70m", "bigscience/bloom-560m", "mosaicml/mpt-7b",
-    "microsoft/phi-2", "stabilityai/stablelm-3b-4e1t"
+    "facebook/opt-125m",
+    "meta-llama/Llama-2-7b-hf",
+    "mistralai/Mistral-7B-v0.1",
+    "Deci/DeciLM-7b",
+    "tiiuae/falcon-7b",
+    "gpt2",
+    "bigcode/tiny_starcoder_py",
+    "EleutherAI/gpt-j-6b",
+    "EleutherAI/pythia-70m",
+    "bigscience/bloom-560m",
+    "mosaicml/mpt-7b",
+    "microsoft/phi-2",
+    "stabilityai/stablelm-3b-4e1t",
+    "allenai/OLMo-1B",
 ]
 
 

vllm/model_executor/models/__init__.py

@@ -35,6 +35,7 @@
     # transformers's mpt class has lower case
     "MptForCausalLM": ("mpt", "MPTForCausalLM"),
     "MPTForCausalLM": ("mpt", "MPTForCausalLM"),
+    "OLMoForCausalLM": ("olmo", "OLMoForCausalLM"),
     "OPTForCausalLM": ("opt", "OPTForCausalLM"),
     "PhiForCausalLM": ("phi", "PhiForCausalLM"),
     "QWenLMHeadModel": ("qwen", "QWenLMHeadModel"),