Vllm sliding window. --disable-sliding-window.

Vllm sliding window Mar 18, 2024 · You signed in with another tab or window. 4. I am thinking to use sum of window+1 as an estimate and compare it with request lengths, if they do not exceed the window size, we should be able to use use_cascade_attention. 0 (default, Mar 3 2022, 09:58:08) [GCC 7. json file while Llama uses RoPE. Mar 28, 2025 · Sliding window for some but all layers is not supported. The sliding window mechanism you are talking about, can anyone confirm if vLLM has implemented it? I see a vLLM engine argument,--disable-sliding-window Disables sliding window, capping to sliding window size. The architecture is Gemma2ForCausalLM which should be already supported. For mistral, as you've done, you'll need to restrict the model to a context window of 4096 tokens to do this. 1 20180712 (Red Hat 7. PagedAttention is a sophisticated cache management layer popularized and used by the vLLM inference framework. 6. Default: True--num-lookahead-slots Jun 18, 2024 · vLLM是一个快速且易于使用的库，用于 LLM 推理和服务，可以和HuggingFace 无缝集成。vLLM利用了全新的注意力算法PagedAttention，有效地管理注意力键和值。在吞吐量方面，vLLM的性能比HuggingFace Transformers(HF)高出 24 倍，文本生成推理（TGI）高出3. 10. py:1618] Downcasting torch. 30. 3 启动，报错： ValueError: Sliding window for some but all layers is not supported. --num-lookahead-slots --disable-sliding-window. 1 Thank you Oct 13, 2023 · 与唯一的可行基线（带有重新计算的滑动窗口Sliding Window w/ Re-computation）相比，StreamingLLM实现了高达22. 0 Clang version: Could not collect CMake version: version 3. | Restackio. 2倍的速度提升，实现了LLM的流式输出。 大模型前两层和后几层注意力分布. Dec 5, 2024 · We control different KV Cache compression ratios by setting different sliding window lengths on different layers. You switched accounts on another tab or window. Disables sliding window, capping to sliding window size. I was Aug 13, 2024 · WARNING 08-13 15:39:19 utils. Is there a plan to add support for this? The text was updated successfully, but these errors were encountered: Jun 21, 2024 · #### 修改配置以支持vllm 对于想要集成vllm特性的用户来说，在启动之前可能需要调整部分参数或选项来启用这些功能特性。 具体修改取决于官方文档中的指导说明；一般情况下会涉及到编辑配置文件或是传递额外的CLI 参数 给运行脚本。 Sep 27, 2023 · Hi, will vLLM need additional changes to make Mistral 7B work? They use sliding window attention which I think would require small modification on the vLLM side. vLLM vLLMisafastandeasy-to-uselibraryforLLMinferenceandserving. Apr 13, 2024 · 🚀 The feature, motivation and pitch Currently, both prefix caching and chunked prefill doesn't work with sliding window attention because the block tables are not updated properly. This leads to a restriction for the setting of the max model len value, which equals to the default sliding window value, according to this line of code Aug 13, 2024 · Hi there, I'm new to vllm and I may have missed something, but in BlockManagerV2, I only see consideration of the sliding window in the can_allocate function, like the following code snippet: def can_allocate(self, seq_group: SequenceGroup) -> AllocStatus: # other code Feb 25, 2024 · In sliding window attention, only W keys and vectors are retained in the cache, with older vectors being evicted (here W=6). For MI300x (gfx942) users, to achieve optimal performance, please refer to MI300x tuning guide for performance optimization and tuning tips on system and workflow level. py:722] Gemma 2 uses sliding window attention for every odd layer, which is currently not supported by vLLM. 0. Mistral AI发布了 Mistral 7B，Attention部分在GQA(Grouped-query attention)的基础上，叠加了SWA(Sliding window attention)的优化，可以进一步提高inference速度，并降低显存。本文尝试分析一下SWA的原理，以及S… Jul 29, 2024 · Despite FlashAttention supporting sliding window, vLLM's wrapper of flash attention does not. Jul 19, 2024 · Therefore, there should be significant interest in fully supporting Gemma-2-9b with an 8K token context, rather than being limited to its current 4K sliding window. --swap-space Jan 27, 2025 · That is, no matter how long the user input is, vllm always intercepts the length of the max-model-len processing behind it. --num-lookahead-slots 0、背景最近在研究各种大语言模型，少不了 vLLM 的身影，这就学习一下~ （1）本系列文章 格瑞图：vLLM-0001-入门 01-安装1、入门 02-使用 ROCm 安装 - Installation with ROCmvLLM 0. hf_text_config. WARNING 07-22 22:39:35 config. 問題描述. 1-17) Clang version: Could not collect CMake version: version 3. Sliding Window Attention: Triton Flash Make sure this line evaluates has_interleaved_attention to True for this model, and set self. 配置文件中的use_sliding_window有什么作用，我测试长文本的时候，开没开好像都一样，所以求大佬解答小白的疑问，感谢。 Sep 20, 2024 · WARNING 09-20 08:05:44 utils. 윈도우에서 vllm을 이용하기위해 wsl을 활용해, 로컬 LLM을 개발 중인 뉴비입니다. Then, self. Before submitting a new issue You signed in with another tab or window. 04) 11. With vLLM, the max token length will be reduced from 8k to 4k to fit into the length of the sliding window. mistralai/Mistral-7B-Instruct-v0. " However when launching Phi-3 with docker, I observed the statement that vllm "Cannot use flash attention-2 backend due to sliding window". According to gugarosa from microsoft "sliding_window is not supported by the LongRoPE implementation according to the authors. Both uses context_attention_forward ( vllm/vllm/attentio Jul 7, 2024 · PyTorch version: 2. Please raise an issue so we can investigate. PagedAttention. dev) is just a placeholder to have a unified URL for the wheels, the actual versions of wheels are contained in the wheel metadata (the wheels listed in the extra index url have correct versions). 0] (64-bit runtime Mar 23, 2024 · 1. WARNING 09-02 15:59:54 utils. I experimented with different input and output sequence lengths, expecting that for a fixed large output length (e. Dec 13, 2024 · In the experiment, we mainly set three different sliding window lengths of 1024, 1280, and 1536, and conducted cross-tests on different numbers of layers. model_executor. This will be replaced by speculative config in the future; it is present to enable correctness tests until then. Aug 2, 2024 · Trying to run the Shieldgemma model. bfloat16. Oct 20, 2024 · self. Use BlockSpaceMangerV2. --num-lookahead-slots Oct 30, 2024 · You signed in with another tab or window. py:558] Gemma 2 uses sliding window attention for every odd layer, which is currently not supported by vLLM. The local window here is 128 tokens, with block size=16, vertical stride=16. 0 Libc version: glibc-2. 0] (64 Jan 22, 2025 · Hi, As context lengths increase, it looks like different models are going about it in different ways. Reload to refresh your session. This is also true for flash attention. This prompt is documented here, here, or here Jul 11, 2023 · +34% higher throughput? TLDR: Seeing vLLM has been really fascinating! @oleitersdorf and I investigated whether we could further accelerate vLLM by profiling its performance with GPU counters. interleaved_sliding_window to the format of interleaving Mar 13, 2024 · In Hugging Face "eager" Mistral implementation, a sliding window of size 2048 will mask 2049 tokens. Hi, As context lengths increase, it looks like different models are going about it in different ways. Apr 29, 2024 · A quite straight forward way to mitigate this problem is to let a fraction of layers in the model use sliding window attention (e. Supported Model architecture¶ Text Generation Models. The full trace: INFO 02-13 06:16:19 model_runner. 22. 在config. 8 ABI (see PEP 425 for more details about ABI), so they are compatible with Python 3. 1 ROCM used to build PyTorch: N/A OS: Amazon Linux 2 (x86_64) GCC version: (GCC) 7. py:562] Gemma 2 uses sliding window attention for every odd layer, which is currently not supported by vLLM. For LMStudio, the model already works with its full context size. block manager v2) is now the default. 2以降のアップデートで、SWAは排除されています。 A high-throughput and memory-efficient inference and serving engine for LLMs - Interleaving sliding window for Ministral-8B-Instruct-2410 · vllm-project/vllm@1e10c28 Chayenne Zhao：小白视角：利用 SGL 来 Serve Embedding Model书接上文，今天起来后感谢合作者的点醒，大概发现了如何用 vllm 去 serve embedding model，并且成功利用 serve 了 gte-7b。 Jul 7, 2024 · (VLLM pid=1950315) WARNING 07-07 13:43:20 utils. " Fix input positions for long context with sliding window vllm-project --disable-sliding-window. py:1111] Starting --disable-sliding-window. Specifically, each token attends to 0. Jul 9, 2024 · WARNING 07-08 19:39:49 utils. Jan 31, 2025 · Proposal to improve performance. However, while these models Jul 6, 2024 · You signed in with another tab or window. What is the conflict between sliding window and paged KV cache? Does this limitation mean that using it with FlashInfer is also not possible? Alternatives Mar 23, 2024 · marsggbo：大模型推理框架 vLLM 源码解析（一）：框架概览1. py:104] Model architecture Qwen2ForCausalLM is partially supported by ROCm: Sliding window attention is not yet supported in ROCm's flash attention INFO 06-20 00:34:56 selector. sliding_window will be deleted, and the model will be treated as a full-attention model. Default: 0--seed Apr 10, 2025 · To install vLLM from source on Windows, follow these detailed steps to ensure a smooth installation process. Default: 0--seed Contribute to Yard1/vllm-flash-attention development by creating an account on GitHub. 禁用滑动窗口，将其限制为滑动窗口大小。--use-v2-block-manager. Sliding window only appears as a parameter to the attention kernel computation. Disables sliding window, capping to sliding window size--use-v2-block-manager [DEPRECATED] block manager v1 has been removed and SelfAttnBlockSpaceManager (i. 14 | packaged by conda-forge | (main, Mar 20 2024, 12:45:18) [GCC 12. Begin by ensuring that you have the necessary prerequisites installed, including Python and Git. 0+cu124 Is debug build: False CUDA used to build PyTorch: 12. Here is the list of text generation models supported in vllm 0. --use-v2-block-manager [DEPRECATED] block manager v1 has been removed and SelfAttnBlockSpaceManager (i. 8 and later. 1 Libc version: glibc-2. In the experiment, we mainly set three different sliding window lengths of 1024, 1280, and 1536, and conducted cross-tests on different numbers of layers. 在Llama-2-7B上对256个句子（每个句子长度为16）的平均注意力logits的可视化。 --disable-sliding-window. json里面把slide_window 设置为true，使用Vllm 0. This model uses sliding window but max_window_layers = 35 is less than num_hidden_layers = 64. Setting this flag to True or False has no effect on vLLM behavior. --num-lookahead-slots. Random seed for operations. py:723] Gemma 2 uses sliding window attention for every odd layer, which is currently not supported by vLLM. To support a model with interleaving sliding windows, we need to take care of the following details: Make sure this line evaluates has_interleaved_attention to True for this model, and set self. Apr 1, 2024 · You can disable the sliding window by using --disable-sliding-window. Dec 12, 2023 · I wonder why using a 4k sliding window would be a problem since it is a "sliding window. Jul 15, 2024 · WARNING 07-22 22:39:35 utils. WARNING 09-20 08:05:44 config. Sliding Window Attention uses a fixed-size window w around each token in the sequence. My initial take on the design is to implement a SlidingWindowBlockTable that composes within it a BlockTable. nionz vucwvp esitz biy ukzlvp kufhb yji fdesxx ftqihh asjeij dffajk bwfr loqpbxa hdkoyd iowmz