Editing Models with Task Arithmetic
Paper • 2212.04089 • Published • 8
# Load model directly
from transformers import AutoTokenizer, AutoModelForCausalLM
tokenizer = AutoTokenizer.from_pretrained("mergekit-community/Perky-Pat-V2")
model = AutoModelForCausalLM.from_pretrained("mergekit-community/Perky-Pat-V2")
messages = [
{"role": "user", "content": "Who are you?"},
]
inputs = tokenizer.apply_chat_template(
messages,
add_generation_prompt=True,
tokenize=True,
return_dict=True,
return_tensors="pt",
).to(model.device)
outputs = model.generate(**inputs, max_new_tokens=40)
print(tokenizer.decode(outputs[0][inputs["input_ids"].shape[-1]:]))This is a merge of pre-trained language models created using mergekit.
This model was merged using the Task Arithmetic merge method using meta-llama/Meta-Llama-3-8B-Instruct as a base.
The following models were included in the merge:
The following YAML configuration was used to produce this model:
base_model: meta-llama/Meta-Llama-3-8B-Instruct
dtype: bfloat16
merge_method: task_arithmetic
parameters:
normalize: false
slices:
- sources:
- layer_range: [0, 32]
model: meta-llama/Meta-Llama-3-8B-Instruct
- layer_range: [0, 32]
model: meta-llama/Meta-Llama-3-8B-Instruct
parameters:
weight: 1.0
- layer_range: [0, 32]
model: failspy/Llama-3-8B-Instruct-MopeyMule
parameters:
weight: -0.15
# Use a pipeline as a high-level helper from transformers import pipeline pipe = pipeline("text-generation", model="mergekit-community/Perky-Pat-V2") messages = [ {"role": "user", "content": "Who are you?"}, ] pipe(messages)