DASH-Q

Muse-Glimmer-30B-DASHQ-INT4-g128

DASH-Q — Diagonal-Aware Shrinkage for Robust PTQ. INT4 · group size 128 · 22.5943 GB (from 59.5534 GB — 2.6x smaller)

Usage

from transformers import AutoModelForImageTextToText, AutoTokenizer

model = AutoModelForImageTextToText.from_pretrained(
    "jkim96/Muse-Glimmer-30B-DASHQ-INT4-g128", trust_remote_code=True, device_map="cuda", dtype="auto"
)
tokenizer = AutoTokenizer.from_pretrained("jkim96/Muse-Glimmer-30B-DASHQ-INT4-g128")

messages = [{"role": "user", "content": "Explain 2-bit quantization in one sentence."}]
text = tokenizer.apply_chat_template(messages, add_generation_prompt=True, tokenize=False)
inputs = tokenizer(text, return_tensors="pt").to(model.device)
print(tokenizer.decode(model.generate(**inputs, max_new_tokens=256)[0]))

trust_remote_code=True is required: the checkpoint ships its quantized-layer implementation (modeling_dashq.py) and Triton kernels (dashq_kernel.py). Without Triton, or on CPU, it falls back to dequantize-and-matmul in PyTorch.

Requirements

Package Minimum Verified with
torch 2.4 2.12.1+cu130
transformers 5.8 5.9.0
triton 3.0 (Linux; bundled with CUDA builds of PyTorch) 3.7.1
huggingface_hub 1.5 (pulled in by transformers) 1.15.0

Quantization

Field Value
Base model meta-models/Muse-Glimmer-30B
Precision INT4, group size 128
Scale / zero dtype float16
Calibration wikitext2, 128 samples x 2048
Size 22.5943 GB · original 59.5534 GB · 2.6x compression

Benchmarks

Full zero-shot / few-shot results for every DASH-Q checkpoint: github.com/JaeminK/dashq#benchmarks

Evaluation

Metric Value
wikitext2_ppl 6.2984
zero-shot accuracy avg 71.8505
arc_challenge 62.1160
arc_easy 85.5219
commonsense_qa 74.9386
hellaswag 82.2247
lambada_openai 74.6749
openbookqa 46.4000
piqa 82.3721
truthfulqa_mc2 60.9797
winogrande 77.4270
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