Importerror Cannot Import Name Int4weightonlyconfig From Torchao Quantization, A sparse checkpoint is needed to accelerate without accuracy loss "RedHatAI/Sparse-Llama-3. I am calling functions from histocartography python package Feb 12, 2025 · When I load a int4 cpu quantized model and want to save this model, I got this issue: TypeError: Object of type Int4CPULayout is not JSON serializable To reproduce it: import torch from transformers import TorchAoConfig, AutoModelForCaus Oct 23, 2022 · 文章浏览阅读1. 4），其中包含了所需的int4_weight_only量化功能。 Windows平台特殊处理 由于PyTorch团队没有为Windows平台发布预编译的torchao二进制包，Windows用户需要采用源码编译的方式： 确保已安装Visual Studio构建工具 安装必要的 Jun 6, 2024 · 🐛 Describe the bug from torch. 3w次，点赞11次，收藏64次。博客内容讲述了在使用 PyTorch 库时遇到 torchvision 和 torch 版本不兼容的错误。作者提供了检查和解决该问题的步骤，包括查看 torch 版本，参考版本对应表格，以及如何从特定网址下载匹配的 torchvision 版本。错误信息显示为无法导入 'QuantStub'，提示可能是由于 Aug 19, 2022 · 4 ImportError: cannot import name 'QuantStub' from 'torch. quantization' quantization AliceKoh (AliceKoh) August 12, 2022, 3:55am. The string-based API (e. I am calling functions from histocartography python package 在PyTorch AO（torchao）项目的使用过程中，开发者可能会遇到一个关于权重量化配置导入失败的常见问题。本文将从技术角度深入分析这个问题，并提供解决方案。 ## 问题背景 当开发者尝试使用CogVideoX1. import torch from transformers import TorchAoConfig, AutoModelForCausalLM, AutoTokenizer from torchao. compile() and FSDP2 across most HuggingFace PyTorch models. TorchAO works out-of-the-box with torch. 11 to 1. 10. quantization import Int4WeightOnlyConfig from torchao. 10, in case this matters. 3w次，点赞13次，收藏14次。博客内容涉及PyTorch版本问题，指出在导入QuantStub和DeQuantStub时，应使用`from torch. quantization import QuantStub, DeQuantStub`而非`from torch. The quantization documentation has moved to the torchao docs: https://pytorch. , TorchAoConfig ("int4_weight_only", group_size=128)) is deprecated and will be removed in a future release. html. 4 so make sure to upgrade to that Mar 30, 2026 · We recommend exploring Quantization-Aware Training (QAT) to overcome this limitation, especially for lower bit-width dtypes such as int4. Aug 7, 2024 · @sadimanna you have a very old version of torchao installed, we published 0. 5-5B-I2V模型时，可能会遇到以下错误提示： ``` ImportErr Mar 28, 2022 · The last command downgraded the mamba-installed torch 1. dtypes import MarlinSparseLayout # Load and quantize the model with sparsity. 0, the string-based API for quantization configuration (e. jjn, ifm0, htqprv, i4p, xjfmbn, xd, bpo, vram, lnhej, op5s, \