DASH-Q

Qwen3.5-35B-A3B-DASHQ-INT3-g32

DASH-Q — Diagonal-Aware Shrinkage for Robust PTQ. INT3 · group size 32 · 20.6320 GB (from 71.9039 GB — 3.5x smaller)

Usage

from transformers import AutoModelForImageTextToText, AutoTokenizer

model = AutoModelForImageTextToText.from_pretrained(
    "jkim96/Qwen3.5-35B-A3B-DASHQ-INT3-g32", trust_remote_code=True, device_map="cuda", dtype="auto"
)
tokenizer = AutoTokenizer.from_pretrained("jkim96/Qwen3.5-35B-A3B-DASHQ-INT3-g32")

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 Qwen/Qwen3.5-35B-A3B
Precision INT3, group size 32
Scale / zero dtype float16
Calibration wikitext2, 128 samples x 2048
Size 20.6320 GB · original 71.9039 GB · 3.5x compression

Benchmarks

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

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