1torch was not compiled with flash attention 0018491744995117188 seconds Standard attention took 0. ) hidden_states = F. Mar 22, 2024 · 1Torch was not compiled with flash attention. 1+cu124, when I ran an image generation I got the following message: :\OmniGen\venv\lib\site-packages\transformers\models\phi3\modeling_phi3. The error involves flash attention, a feature of some transformers, and cudnn, a library for GPU-accelerated deep learning. 58s/it] hidden_states = F. (Triggered internally at Mar 31, 2024 · UserWarning: 1Torch was not compiled with flash attention：The size of tensor a (39) must match the size of tensor b (77) at non-singleton dimension 1. py:407: UserWarning: 1Torch was not compiled with flash attention. Setting `pad_token_id` to `eos_token_id`:2 for open-end generation. and Nvidia’s Apex Attention implementations and yields a significant computation speed increase and memory usage decrease over a standard PyTorch implementation. py:124: UserWarning: 1Torch was not compiled with flash attention. Mar 17, 2024 · I am using the latest 12. py:1279: UserWarning: 1Torch was not compiled with flash attention. Welcome to the unofficial ComfyUI subreddit. transformer. C++/cuda/Triton extensions would fall into the category of "things it doesn't support", but again, these would just cause graph breaks and the unsupported pieces would run eagerly, with compilation happening for the other parts. This warning appears when using the new upscaler function. scaled_dot_product_attention(2024-04-11 20:38:41,497 - INFO - Running model finished in 2330. You can see it by the custom tag: Aug 5, 2024 · C:\Users\joaom\ia\invokeai. )context_layer = torch. is to manually uninstall the Torch that Comfy depends on and then do: UserWarning: 1Torch was not compiled with flash attention. py , but meet an Userwarning: 1Torch was not compiled with flash attention. As it stands currently, you WILL be indefinitely spammed with UserWarning: 1Torch was not compiled with flash attention. (triggered intern Nov 5, 2023 · Enable support for Flash Attention Memory Efficient and SDPA kernels for AMD GPUs. \aten\src\ATen\native\transformers\cuda\sdp_utils. As for the CUDA etc, could you please copy the output from here: Aug 17, 2024 · UserWarning: 1Torch was not compiled with flash attention. (Triggered internally at C:\actions-runner_work\pytorch\pytorch\builder\windows\pytorch\aten\src\ATen\native\transformers\cuda\sdp_utils. I wonder if flashattention is used under torch. Mar 26, 2024 · The attention mask and the pad token id were not set. 2 更新后需要启动 flash attention V2 作为最优机制，但是并没有启动成功导致的。 Jan 21, 2025 · 当运行代码时，收到了一条警告信息：“UserWarning: 1Torch was not compiled with flash attention”。提示当前使用的 PyTorch 版本并没有编译进 Flash Attention 支持。查了很多资料，准备写个总结，详细解释什么是 Flash Attention、这个问题出现的原因、以及推荐的问题排查顺序。 1. (Triggered internally at C:\cb\pytorch_1000000000000\work\aten\src\ATen\native\transformers\cuda\sdp_utils. As a consequence, you may observe unexpected behavior. ) Oct 9, 2024 · UserWarning: 1Torch was not compiled with flash attention. Open 1 task. (Triggered internally at . UserWarning: 1Torch was not compiled with flash attention. Hello, This might be slowing down my rendering capabilities from what I have been reading a few other people have had this issue recently on fresh installs but I cant seem to find a fix. 0, is_causal=False) Apr 4, 2024 · Using pytorch attention in VAE Using pytorch attention in VAE clip missing: ['clip_l. py:697: UserWarning: 1Torch was not compiled with flash attention. py:2358: UserWarning: 1Torch was not compiled w Mar 15, 2023 · I wrote the following toy snippet to eval flash-attention speed up. py:318: UserWarning: 1Torch was not compiled with flash attention. Feb 9, 2024 · ComfyUI Revision: 1965 [f44225f] | Released on '2024-02-09' Just a got a new Win 11 box so installed CUI on a completely unadultered machine. 23095703125 True clip missing: [&#39;text_projection. 这个警告是由于torch=2. Oct 3, 2024 · . You signed out in another tab or window. **So What is SillyTavern?** Tavern is a user interface you can install on your computer (and Android phones) that allows you to interact text generation AIs and chat/roleplay with characters you or the community create. Feb 9, 2024 · D:\Pinokio\api\comfyui. 表示您正在尝试使用的 PyTorch 版本没有包含对 Flash Attention 功能的编译支持。 Sep 25, 2024 · 文章浏览阅读2. But when inspecting the resulting model, using the stable-diffusion-webui-model-toolkit extension, it reports unet and vae being broken and the clip as junk (doesn't recognize it). 4. ) attn_output = torch. cpp:281. 问 题原因汇总和 问 题排查顺序。 【AIGC】本地部署通义 千 问 1 . Pytorch2. ) x = F. scaled_dot_product_attention(q, k, v, attn_mask=mask, dropout_p=0. Please keep posted images SFW. A place to discuss the SillyTavern fork of TavernAI. 05682. Other users suggest possible solutions, such as setting USE_FLASH_ATTENTION, installing nightly builds, or compiling from source. 1 version of Pytorch. If anyone knows how to solve this, please just take a couple of minutes out of your time to tell me what to do. solsol360 asked this question in Q&A. scaled_dot_product_attention(Whisper did not predict an ending timestamp, which can happen if audio is cut off in the middle of a word. py:633: UserWarning: 1T Jun 5, 2023 · Blockに分けてAttentionを処理：参照動画. Unanswered. Please share your tips, tricks, and workflows for using this software to create your AI art. cpp:253. Apr 14, 2024 · Warning: 1Torch was not compiled with flash attention. Apr 4, 2023 · I tested the performance of torch. EDIT2: Ok, not solely an MPS issue since K-Sampler starts as slow with --cpu as with MPS; so perhaps more of an fp32 related issue then. harfouche, which do not seem to ship with FlashAttention. compile can handle "things it doesn't support" if you don't force it to capture a full graph (fullgraph=True). The code outputs. 0, is_causal=False) Requested to load Feb 5, 2024 · so I’m not sure if this is supposed to work yet or not with pytorch 2. 6876699924468994 seconds Notice the following 1- I am using float16 on cuda, because flash-attention supports float16 and bfloat16 Same here. scaled_dot_product_attention \whisper\modeling_whisper. Nov 9, 2024 · C:!Sd\OmniGen\env\lib\site-packages\diffusers\models\attention_processor. weight'] since I updated comfyui today. cpp:555. Failure usually does not affect the program running, but it is slower. This was after reinstalling Pytorch nightly (ROCm 5. 0 9319. scaled_dot_product_attention Jul 24, 2024 · The flash attention is quite difficult to get to work (but not impossible). 5 (Py Torch ) Feb 3, 2024 · 文章浏览阅读5. . git\env\lib\site-packages\diffusers\models\attention_processor. py:187: UserWarning: 1Torch was not compiled with flash attention. This forum is awful. Is there an option to make torch. I get a CUDA… Dec 17, 2023 · C:\Programs\ComfyUI\comfy\ldm\modules\attention. py:2358: UserWarning: 1Torch was not compiled with flash attention. Sep 4, 2024 · 本文介绍了Flash Attention 是什么，也介绍了UserWarning: 1Torch was not compiled with flash attention. 0? Any AMD folks (@xinyazhang @jithunnair-amd) can confirm?Thanks! Dec 9, 2022 · torch. 6) cd Comfy 环境依赖安装的没问题，操作系统是windows server2022，显卡NVIDIA A40，模型可以加载，使用chatglm3-6b模型和chatglm3-6b-128k模型都会提示警告：“1torch was not compiled with flash attention. Jul 14, 2024 · A user asks how to fix the warning when using the Vision Transformer as part of the CLIP model. I read somewhere that this might be due to the MPS backend not fully supporting fp16 on Ventura. Aug 8, 2024 · C:\Users\Grayscale\Documents\ComfyUI\ComfyUI_windows_portable\ComfyUI\comfy\ldm\modules\attention. ) What happened. Warning : 1Torch was not compiled with flash attention. ) 2%| | 1/50 [01:43<1:24:35, 103. py:236: UserWarning: 1Torch was not compiled with flash attention. 1. nn. ) attn_output = scaled_dot_product_attention(q, k, v, attn_mask, dropout_p, is_causal) How to fix it? thanks Recently when generating a prompt a warning pops up saying that "1Torch was not compiled with flash attention" and "1Torch was not compiled with memory efficient attention". git\app\env\lib\site-packages\diffusers\models\attention_processor. functional. py:540: UserWarning: 1Torch was not compiled with flash attention. Other users suggest installing flash attention, checking the CUDA and PyTorch versions, and using the attn_implementation parameter. compile on the bert-base model on the A100 machine, and found that the training performance has been greatly improved. cpp:455. (Triggered Aug 16, 2023 · Self-attention Does Not Need O(n^2) Memory. 1Torch was not compiled with flash attention #1593. venv\lib\site-packages\diffusers\models\attention_processor. It still runs okay, I'm just wondering if this is c Aug 3, 2024 · 1Torch was not compiled with flash attention. py:345: UserWarning: 1Torch was not compiled with flash attention. logit_scale', 'clip_l. 1k次，点赞10次，收藏19次。找到functional. py504行:完美解决！_userwarning: 1torch was not compiled with flash attention. Sep 6, 2024 · 报错二：C:\Users\yali\. Mar 15, 2024 · You signed in with another tab or window. You switched accounts on another tab or window. py:629: UserWarning: 1Torch was not compiled with flash attention. Apr 9, 2024 · C:\Users\Luke\Documents\recons\TripoSR-main\tsr\models\transformer\attention. Flash attention took 0. 2. 0, is_causal=False) #31 I installed Comfy UI, open it, load default Workflow, load a XL Model, then Start, then this warning appears. ) return torch. 0 with RTX A2000 GPU. venv\Lib\site-packages\whisper\model. 问题原因汇总和问题排查顺序。 AI 开发新手教程：从零开始 搭建 环境，轻松打造你的第一个 AI 应用！ Nov 3, 2024 · I installed the latest version of pytorch and confirmed installation 2. scaled_dot_pr "c:\Python312\segment-anything-2\sam2\modeling\backbones\hieradet. Also what you can do is try to use KV_Cache, it will change the quality but should speed things up. compile. scaled_dot_product_attention Sep 14, 2024 · Expected Behavior Hello! I have two problems! the first one doesn't seem to be so straightforward, because the program runs anyway, the second one always causes the program to crash when using the file: "flux1-dev-fp8. 69ms. dev20231105+rocm5. ) Nov 16, 2024 · Omnigen saturate RAM and VRAM completely and also is extremely slow! in console I see this warning: C:\pinokio\api\omnigen. Sep 24, 2024 · I know this most likely has nothing to do with Cog, but I'm getting the following: ComfyUI\comfy\ldm\modules\attention. 6, pytorch-triton-rocm==2. May 30, 2024 · A user reports an error when trying to generate images with ComfyUI, a PyTorch-based image generator. 0ではFlash Attentionを支援している？ 結論から言うと、自動的にFlash Attentionを使うような構造をしているが、どんな場合でも使用しているわけではないです。 Feb 27, 2024 · I have the same problem: E:\SUPIR\venv\lib\site-packages\torch\nn\functional. Please pass your input's `attention_mask` to obtain reliable results. py:1848: UserWarning: 1Torch was not compiled with flash attention. ) attn_output = scaled_dot_product_attention(q, k, v, attn_mask, dropout_p, is_causal) 代码可以工作，但我猜它并没有那么快，因为没有 FA。 Dec 11, 2024 · 大佬们，安装flash attention后，我用代码检测我的版本号： UserWarning: 1Torch was not compiled with flash attention. scaled_dot_product_attention(query_layer, key_layer, value_layer, Apr 27, 2024 · It straight up doesn't work, period, because it's not there, because they're for some reason no longer compiling PyTorch with it on Windows. oobabooga/text-generation-webui#5705. compile disabled flashattention F:\ComfyUI\ComfyUI\custom_nodes\ComfyUI-KwaiKolorsWrapper\kolors\models\modeling_chatglm. ) I can't seem to get flash attention working on my H100 deployment. Getting clip missing: ['text_projection. Mar 28, 2024 · The model seems to successfully merge and save, it is even able to generate images correctly in the same workflow. git\app\comfy\ldm\modules\attention. safetensors. There are NO 3rd party nodes installed yet. Requested to load FluxClipModel_ Loading 1 new model loaded completely 0. cache\huggingface\modules\transformers_modules\models\modeling_chatglm. \site-packages\torch\nn\functional. ”，怀疑是系统问题，安装了wsl，用ubuntu20. 首先告诉大家一个好消息，失败了通常不影响程序运行，就是慢点. Flash attention is a feature that can significantly speed up the inference process, and if it's not available, it could potentially affect the utilization of your GPUs. py:325: UserWarning: 1Torch was not compiled with flash attention. It reduces my generation speed by tenfold. scaled_dot_product_attention Aug 11, 2024 · e:\pinokio\api\flux-webui. Feb 6, 2024 · A user reports a warning message when using Pytorch 2. 8k次。改为： pip install torch。解决： 降低torch版本，_userwarning: 1torch was not compiled with flash attention. Feb 18, 2024 · Secondly, the warning message from PyTorch stating that it was not compiled with flash attention could be relevant. First of all, let me tell you a good news. scaled_dot_product_attention(" Previously on the Mar 29, 2024 · You signed in with another tab or window. ) a = scaled_dot_product_attention Nov 24, 2023 · hi, I'm trying to run amg_example. venv\Lib\site-packages\transformers\models\clip\modeling_clip. 2023. Update: It ran again correctly after recompilation. Anyone know if this is important? My flux is running incredibly slow since I updated comfyui today. py:68: UserWarning: 1Torch was not compiled with flash attention. ) context_layer = torch. got prompt model_type EPS adm 2816 Using pytorch attention in VAE Working with z of shape (1, 4, 32, 32) = 4096 dimensions. py:5504: UserWarning: 1Torch was not compiled with flash attention. 0+34f8189eae): model. Dunc4n1dah0 mentioned this issue May 9, 2024. 0. ) out = torch. FlashAttention-2: Faster Attention with Better Parallelism and Work Partitioning. Reload to refresh your session. arXiv:2112. " Sep 6, 2024 · UserWarning: 1Torch was not compiled with flash attention, i can ignore this? Image is generated fine. py:226: UserWarning: 1Torch was not compiled with flash attention. 0, is_causal=False) Requested to load BaseModel Jul 17, 2024 · 本文介绍了Flash Attention 是什么，也介绍了UserWarning: 1Torch was not compiled with flash attention. FlashAttention-2 Tri Dao. cpp:263. I pip installed it the long way and it's in so far as I can tell. py:5476: UserWarning: 1Torch was not compiled with flash attention. The issue is closed after the user provides some possible solutions and links to related resources. text_projection. At present using these gives below warning with latest nightlies (torch==2. May 9, 2024 · A user reports a warning when loading the memory-efficient attention module in stable-diffusion, a PyTorch-based project. If fp16 works for you on Mac OS Ventura, please reply! I'd rather not update if there a chance to make fp16 work. As it stands, the ONLY way to avoid getting spammed with UserWarning: 1Torch was not compiled with flash attention. weight&#39;] C:\Users\ZeroCool22\Deskto C:\InvokeAI. . 04系统报错消失。chatglm3-6b模型可以正常使用 Welcome to the unofficial ComfyUI subreddit. weight'] Requested to load SDXLClipModel Loading 1 new model D:\AI\ComfyUI\comfy\ldm\modules\attention. 1Torch was not compiled with flash attention Apr 14, 2023 · It seems you are using unofficial conda binaries from conda-forge created by mark. pcboprt ldwz horl znhctr hotanc gyju ibxxyn rcb kzxmmeo qmdxkv zaifoe ccylz kcwi ylwbg hfn