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QueryloopAI/gemma-2b-openhermes

sourceHugging Facecc-by-nc-4.0updated 3y agoView on Hugging Face

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gemma-2b-openhermes

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gemma-2b-openhermes is a variant of the Gemma 2B language model, which has been further fine-tuned on the OpenHermes-2.5 preference dataset using QLoRA.

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Usage

Chat Template

The instruction-tuned models use a chat template that must be adhered to for conversational use. The easiest way to apply it is using the tokenizer's built-in chat template, as shown in the following snippet.

Let's load the model and apply the chat template to a conversation. In this example, we'll start with a single user interaction:

from transformers import AutoTokenizer, AutoModelForCausalLM
import transformers
import torch

model_id = "abideen/gemma-2b-openhermes"
dtype = torch.bfloat16

tokenizer = AutoTokenizer.from_pretrained(model_id)
model = AutoModelForCausalLM.from_pretrained(
    model_id,
    device_map="cuda",
    torch_dtype=dtype,
)

chat = [{ "role": "user", "content": "What is a Language Model?" }]
prompt = tokenizer.apply_chat_template(chat, tokenize=False, add_generation_prompt=True)

After the prompt is ready, generation can be performed like this:

inputs = tokenizer.encode(prompt, add_special_tokens=True, return_tensors="pt")
outputs = model.generate(input_ids=inputs.to(model.device), max_new_tokens=250)
print(tokenizer.decode(outputs[0]))

Inputs and outputs

—Input: Text string, such as a question, a prompt, or a document to be summarized.
—Output: Generated English-language text in response to the input, such as an answer to a question, or a summary of a document.

🏆 Evaluation results

Nous Benchmark

Agieval

Task	Metric	Value		StdErr
agieval\aqua\rat	acc	24.02	_	2.69
agieval\aqua\rat	acc\_norm	24.02	_	2.69
agieval\logiqa\en	acc	23.20	_	1.66
agieval\logiqa\en	acc\_norm	24.42	_	1.69
agieval\lsat\ar	acc	18.26	_	2.55
agieval\lsat\ar	acc\_norm	18.70	_	2.58
agieval\lsat\lr	acc	22.35	_	1.85
agieval\lsat\lr	acc\_norm	23.53	_	1.88
agieval\lsat\rc	acc	20.82	_	2.48
agieval\lsat\rc	acc\_norm	20.07	_	2.45
agieval\sat\en	acc	32.52	_	3.27
agieval\sat\en	acc\_norm	32.52	_	3.27
agieval\sat\en\without\passage	acc	25.73	_	3.05
agieval\sat\en\without\passage	acc\_norm	24.27	_	2.99
agieval\sat\math	acc	25.00	_	2.93
agieval\sat\math	acc\_norm	20.91	_	2.75

Average: 24.11

GPT4ALL

Task	Version	Metric	Value		StdErr
arc\_challenge	0	acc	21.77	_	1.21
arc\_challenge	0	acc\_norm	24.15	_	1.25
arc\_easy	0	acc	37.37	_	0.99
arc\_easy	0	acc\_norm	36.95	_	0.99
boolq	1	acc	65.60	_	0.83
hellaswag	0	acc	34.54	_	0.47
hellaswag	0	acc\_norm	40.54	_	0.49
openbookqa	0	acc	15.00	_	1.59
openbookqa	0	acc\_norm	27.40	_	2.00
piqa	0	acc	60.88	_	1.14
piqa	0	acc\_norm	60.55	_	1.14
winogrande	0	acc	50.91	_	1.41

Average: 40.01

BigBench

Task	Metric	Value	Std Err
bigbench\causal\judgement	MCG	50	2.26
bigbench\date\understanding	MCG	49.14	2.18
bigbench\disambiguation\qa	MCG	49.31	2.74
bigbench\geometric\shapes	MCG	14.18	1.37
bigbench\logical\deduction\_5objs	MCG	49.41	2.73
bigbench\logical\deduction\_7objs	MCG	41.48	2.46
bigbench\logical\deduction\_3objs	MCG	69.33	2.75
bigbench\movie\recommendation	MCG	51.71	2.25
bigbench\_navigate	MCG	50	1.58
bigbench\reasoning\colored\_obj	MCG	51.92	0.99
bigbench\ruin\names	MCG	48.14	2.01
bigbench\salient\trans\err\detec	MCG	39.92	1.2
bigbench\_snarks	MCG	64.14	3.71
bigbench\sports\understanding	MCG	55.31	1.59
bigbench\temporal\sequences	MCG	46.92	1.4
bigbench\tsk\shuff\objs\5	MCG	25.04	1.01
bigbench\tsk\shuff\objs\7	MCG	15.04	0.72
bigbench\tsk\shuff\objs\3	MCG	55.33	2.75

Average: 44.75

TruthfulQA

Task	Version	Metric	Value	Std Err
truthfulqa\_mc	1	mc1	30.11	1.61
truthfulqa\_mc	1	mc2	47.69	1.61

Average: 38.90

Openllm Benchmark

Task	Version	Metric	Value		Stderr
arc_challenge	0	acc	40.44	±	1.43
		acc_norm	43.81	±	1.34
hellaswag	0	acc	48.1	±	0.45
		acc_norm	62.73	±	0.32
gsm8k	0	acc	5.6	±	0.6
winogrande	0	acc	60.91	±	1.3
mmlu	0	acc	37.62	±	0.6

Average: 73.5%

TruthfulQA

Task	Version	Metric	Value		Stderr
truthfulqa_mc	1	mc1	29.00	±	1.58
		mc2	45.83	±	1.59

Training hyperparameters

The following hyperparameters were used during training:

—learning_rate: 5e-07
—trainbatchsize: 1
—evalbatchsize: 8
—seed: 42
—gradientaccumulationsteps: 8
—totaltrainbatch_size: 8
—optimizer: Adam with betas=(0.9,0.999) and epsilon=1e-08
—lrschedulertype: cosine
—lrschedulerwarmup_steps: 100
—training_steps: 1300

📝 Axolotl Configuration

yaml

base_model: google/gemma-2b-it
model_type: GemmaForCausalLM
tokenizer_type: GemmaTokenizer
trust_remote_code: true

load_in_8bit: false
load_in_4bit: true
strict: false

rl: dpo
chat_template: chatml
datasets:
  - path: mlabonne/chatml-OpenHermes2.5-dpo-binarized-alpha
    split: train
    type: chatml.intel
dataset_prepared_path:
val_set_size: 0.01
output_dir: ./out

adapter: qlora
lora_model_dir:

sequence_len: 1800
sample_packing: false
pad_to_sequence_len: false

lora_r: 16
lora_alpha: 16
lora_dropout: 0.05
lora_target_linear: true
lora_fan_in_fan_out:
lora_target_modules:

wandb_project: gemma
wandb_entity:
wandb_watch:
wandb_name:
wandb_log_model:

gradient_accumulation_steps: 8
micro_batch_size: 1
num_epochs: 1
optimizer: paged_adamw_32bit
lr_scheduler: cosine
learning_rate: 5e-7

train_on_inputs: false
group_by_length: false
bf16: true
fp16: false
tf32: true

gradient_checkpointing: true
early_stopping_patience:
resume_from_checkpoint:
local_rank:
logging_steps: 1
xformers_attention:
flash_attention: false

warmup_steps: 100
evals_per_epoch: 1
eval_table_size:
eval_table_max_new_tokens: 128
save_steps: 1000
max_steps: 1300
debug:
deepspeed:
weight_decay: 0.0
fsdp:
fsdp_config:
special_tokens:

Framework versions

—Transformers 4.39.0.dev0
—Pytorch 2.1.2+cu118
—Datasets 2.17.0
—Tokenizers 0.15.0
—axolotl: 0.4.0