{"id":2040,"date":"2025-12-27T20:52:23","date_gmt":"2025-12-27T20:52:23","guid":{"rendered":"https:\/\/ai-box.eu\/?p=2040"},"modified":"2025-12-27T21:30:53","modified_gmt":"2025-12-27T21:30:53","slug":"install-vllm-on-gigabyte-ai-top-atom-high-performance-llm-inference-with-openai-compatible-api-part-3-3","status":"publish","type":"post","link":"https:\/\/ai-box.eu\/en\/large-language-models-en\/install-vllm-on-gigabyte-ai-top-atom-high-performance-llm-inference-with-openai-compatible-api-part-3-3\/2040\/","title":{"rendered":"Install vLLM on Gigabyte AI TOP ATOM: High-Performance LLM Inference with OpenAI-Compatible API &#8211; Part 3-3"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ai-box.eu\/en\/large-language-models-en\/install-vllm-on-gigabyte-ai-top-atom-high-performance-llm-inference-with-openai-compatible-api-part-3-3\/2040\/#Download_and_Run_Additional_Models_Locally\" >Download and Run Additional Models Locally<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ai-box.eu\/en\/large-language-models-en\/install-vllm-on-gigabyte-ai-top-atom-high-performance-llm-inference-with-openai-compatible-api-part-3-3\/2040\/#Troubleshooting_Common_Problems_and_Solutions\" >Troubleshooting: Common Problems and Solutions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ai-box.eu\/en\/large-language-models-en\/install-vllm-on-gigabyte-ai-top-atom-high-performance-llm-inference-with-openai-compatible-api-part-3-3\/2040\/#Managing_Containers\" >Managing Containers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ai-box.eu\/en\/large-language-models-en\/install-vllm-on-gigabyte-ai-top-atom-high-performance-llm-inference-with-openai-compatible-api-part-3-3\/2040\/#Rollback_Removing_vLLM_Again\" >Rollback: Removing vLLM Again<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ai-box.eu\/en\/large-language-models-en\/install-vllm-on-gigabyte-ai-top-atom-high-performance-llm-inference-with-openai-compatible-api-part-3-3\/2040\/#Summary_Conclusion\" >Summary &amp; Conclusion<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ai-box.eu\/en\/large-language-models-en\/install-vllm-on-gigabyte-ai-top-atom-high-performance-llm-inference-with-openai-compatible-api-part-3-3\/2040\/#Next_Step_Production_Deployment_and_Performance_Tuning\" >Next Step: Production Deployment and Performance Tuning<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 data-path-to-node=\"24\"><span class=\"ez-toc-section\" id=\"Download_and_Run_Additional_Models_Locally\"><\/span>Download and Run Additional Models Locally<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-path-to-node=\"25\">Since you already downloaded models locally in Phase 4, you can now switch between different models without having to redownload them. To use another already downloaded model, simply stop the current container and restart it with the desired model.<\/p>\n<p data-path-to-node=\"25\">First, I stop the current container (if it is still running):<\/p>\n<p data-path-to-node=\"25\"><strong>Command:<\/strong> <code>docker stop vllm-server<\/code><\/p>\n<p data-path-to-node=\"25\"><strong>Command:<\/strong> <code>docker rm vllm-server<\/code><\/p>\n<p data-path-to-node=\"25\">Now I start the server with another already downloaded model. Here, I am using the <code>Qwen2.5-Math-1.5B-Instruct<\/code> model that we already downloaded in Phase 4:<\/p>\n<p data-path-to-node=\"25\"><strong>Model:<\/strong> <code>Qwen2.5-Math-1.5B-Instruct<\/code> (already stored locally under <code>~\/models\/Qwen2.5-Math-1.5B-Instruct<\/code>)<\/p>\n<p data-path-to-node=\"25\"><strong>Command:<\/strong> <code>docker run -d --gpus all --name vllm-server -p 8000:8000 --restart unless-stopped -v ~\/models:\/data --ipc=host --ulimit memlock=-1 --ulimit stack=67108864 nvcr.io\/nvidia\/vllm:25.11-py3 vllm serve \/data\/Qwen2.5-Math-1.5B-Instruct --gpu-memory-utilization 0.6<\/code><\/p>\n<p data-path-to-node=\"25\">Important: I am using the local path <code>\/data\/Qwen2.5-Math-1.5B-Instruct<\/code> instead of the Hugging Face name <code>Qwen\/Qwen2.5-Math-1.5B-Instruct<\/code>. This way, vLLM loads the model directly from the local directory and does not need to redownload it.<\/p>\n<p data-path-to-node=\"25\">If you want to download a new model, you can use the download command from Phase 4.<\/p>\n<p data-path-to-node=\"25\">With the following command, you can now test whether the model has loaded and is responding to you.<\/p>\n<p data-path-to-node=\"25\"><strong>Command:<\/strong> <code>curl http:\/\/localhost:8000\/v1\/chat\/completions -H \"Content-Type: application\/json\" -d '{\"model\": \"\/data\/Qwen2.5-Math-1.5B-Instruct\", \"messages\": [{\"role\": \"user\", \"content\": \"Why is the sky red during sunset?\"}], \"max_tokens\": 500}'<\/code><\/p>\n<p data-path-to-node=\"25\">Here is an example for a larger model:<\/p>\n<p data-path-to-node=\"25\"><strong>Model:<\/strong> <code>openai\/gpt-oss-120b<\/code><\/p>\n<p data-path-to-node=\"25\"><strong>Download Command:<\/strong> <code>docker run -it --rm --name <strong>vllm-gpt-oss-120b<\/strong> -v ~\/models:\/data --dns 8.8.8.8 --dns 8.8.4.4 --ipc=host nvcr.io\/nvidia\/vllm:25.11-py3 \/bin\/bash -c \"pip install hf_transfer &amp;&amp; export HF_HUB_ENABLE_HF_TRANSFER=1 &amp;&amp; python3 -c \\\"from huggingface_hub import snapshot_download; snapshot_download(repo_id='openai\/<strong>gpt-oss-120b<\/strong>', local_dir='\/data\/<strong>gpt-oss-120b<\/strong>', max_workers=1, resume_download=True)\\\"\"<\/code><\/p>\n<p data-path-to-node=\"25\">After the download, you can start this model with the following command:<\/p>\n<p data-path-to-node=\"25\"><strong>Server Start Command:<\/strong> <code>docker run -d --gpus all --name vllm-server -p 8000:8000 --restart unless-stopped -v ~\/models:\/data --ipc=host --ulimit memlock=-1 --ulimit stack=67108864 nvcr.io\/nvidia\/vllm:25.11-py3 vllm serve \/data\/gpt-oss-120b --gpu-memory-utilization 0.6<\/code><\/p>\n<p data-path-to-node=\"25\">The parameter <code>-v ~\/models:\/data<\/code> mounts the local directory <code>~\/models<\/code> into the container under <code>\/data<\/code>, so all downloaded models are stored on the host system. The next time the container starts, the models will not be redownloaded but used directly from the local directory.<\/p>\n<p data-path-to-node=\"25\"><strong>Command:<\/strong> <code>curl http:\/\/localhost:8000\/v1\/chat\/completions -H \"Content-Type: application\/json\" -d '{\"model\": \"\/data\/gpt-oss-120b\", \"messages\": [{\"role\": \"user\", \"content\": \"Why is the sky red during sunset?\"}], \"max_tokens\": 500}'<\/code><\/p>\n<p data-path-to-node=\"25\"><b data-path-to-node=\"22\" data-index-in-node=\"0\">Note:<\/b> Larger models require more GPU memory. Check with <code>nvidia-smi<\/code> beforehand to see if enough VRAM is available. For models with more than 32B parameters, you can also use quantization to reduce memory requirements.<\/p>\n<p data-path-to-node=\"25\">For gated models (models with access restrictions), you must first log in to the Hugging Face Hub and request access to the model:<\/p>\n<p data-path-to-node=\"25\"><strong>Command:<\/strong> <code>docker exec -it vllm-server huggingface-cli login<\/code><\/p>\n<p data-path-to-node=\"25\">You will be asked for your Hugging Face Token. You can find this in your Hugging Face account settings under <a href=\"https:\/\/huggingface.co\/settings\/tokens\" target=\"_blank\" rel=\"noopener\">https:\/\/huggingface.co\/settings\/tokens<\/a>.<\/p>\n<p data-path-to-node=\"25\"><b data-path-to-node=\"22\" data-index-in-node=\"0\">Can I use Ollama models?<\/b><\/p>\n<p data-path-to-node=\"25\">Unfortunately, no \u2013 Ollama and vLLM use different model formats. Ollama stores models in its own format (usually under <code>~\/.ollama\/models<\/code>), while vLLM requires Hugging Face models stored in the Hugging Face format. The models are not directly compatible. However, if you use both systems, you can optimize storage space by managing the Hugging Face cache for vLLM in a separate directory and keeping Ollama models in another directory.<\/p>\n<h2 data-path-to-node=\"52\"><span class=\"ez-toc-section\" id=\"Troubleshooting_Common_Problems_and_Solutions\"><\/span>Troubleshooting: Common Problems and Solutions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-path-to-node=\"53\">During my time with vLLM on the AI TOP ATOM, I encountered some typical problems. Here are the most common ones and how I solved them:<\/p>\n<ul data-path-to-node=\"54\">\n<li>\n<p data-path-to-node=\"54,0,0\"><b data-path-to-node=\"54,0,0\" data-index-in-node=\"0\">CUDA Version Error:<\/b> The CUDA version does not match. Check with <code>nvcc --version<\/code> if CUDA 13.0 is installed. If not, install the correct version. Some systems may also have issues with CUDA 12.9 \u2013 in this case, CUDA 13.0 should be used.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"54,0,1\"><b data-path-to-node=\"54,0,1\" data-index-in-node=\"0\">Container Registry Authentication Fails:<\/b> If you have problems downloading the container image, it might be that authentication at the NVIDIA NGC Registry is required. Check your network connection or use the <a href=\"https:\/\/catalog.ngc.nvidia.com\/orgs\/nvidia\/containers\/vllm?version=25.11-py3\" target=\"_blank\" rel=\"noopener\">NVIDIA NGC Registry<\/a> directly.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"54,0,2\"><b data-path-to-node=\"54,0,2\" data-index-in-node=\"0\">SM_121a Architecture Not Recognized:<\/b> If you build vLLM from source, LLVM patches may need to be applied. For the Docker variant, this problem should not occur.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"54,1,0\"><b data-path-to-node=\"54,1,0\" data-index-in-node=\"0\">CUDA Out of Memory:<\/b> The model is too large for the available GPU memory. Use a smaller model or activate quantization with <code>--quantization awq<\/code> or <code>--quantization gptq<\/code>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"54,2,0\"><b data-path-to-node=\"54,2,0\" data-index-in-node=\"0\">Model Download Fails:<\/b> Check the internet connection. If you already have cached models, you can mount the cache path with <code>-v ~\/.cache\/huggingface:\/root\/.cache\/huggingface<\/code>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"54,3,0\"><b data-path-to-node=\"54,3,0\" data-index-in-node=\"0\">Access to Gated Repository Not Possible:<\/b> Certain Hugging Face models have access restrictions. Regenerate your <a href=\"https:\/\/huggingface.co\/docs\/hub\/en\/security-tokens\" target=\"_blank\" rel=\"noopener\">Hugging Face Token<\/a> and request access to the <a href=\"https:\/\/huggingface.co\/docs\/hub\/en\/models-gated#customize-requested-information\" target=\"_blank\" rel=\"noopener\">gated model<\/a> in the browser.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"54,4,0\"><b data-path-to-node=\"54,4,0\" data-index-in-node=\"0\">Memory Issues Despite Sufficient RAM:<\/b> On the DGX Spark platform with Unified Memory Architecture, you can manually clear the buffer cache if you encounter memory problems:<\/p>\n<\/li>\n<\/ul>\n<pre data-path-to-node=\"55\"><code data-path-to-node=\"55\">sudo sh -c 'sync; echo 3 &gt; \/proc\/sys\/vm\/drop_caches'\r\n<\/code><\/pre>\n<h3 data-path-to-node=\"56\"><span class=\"ez-toc-section\" id=\"Managing_Containers\"><\/span>Managing Containers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-path-to-node=\"57\">To check the status of the container:<\/p>\n<p data-path-to-node=\"57\"><strong>Command:<\/strong> <code>docker ps -a | grep vllm-server<\/code><\/p>\n<p data-path-to-node=\"57\">To stop the container (without deleting it):<\/p>\n<p data-path-to-node=\"57\"><strong>Command:<\/strong> <code>docker stop vllm-server<\/code><\/p>\n<p data-path-to-node=\"57\">To start the container:<\/p>\n<p data-path-to-node=\"57\"><strong>Command:<\/strong> <code>docker start vllm-server<\/code><\/p>\n<p data-path-to-node=\"57\">To completely remove the container:<\/p>\n<p data-path-to-node=\"57\"><strong>Command:<\/strong> <code>docker rm vllm-server<\/code><\/p>\n<p data-path-to-node=\"57\">To view the container logs:<\/p>\n<p data-path-to-node=\"57\"><strong>Command:<\/strong> <code>docker logs -f vllm-server<\/code><\/p>\n<h3 data-path-to-node=\"56\"><span class=\"ez-toc-section\" id=\"Rollback_Removing_vLLM_Again\"><\/span>Rollback: Removing vLLM Again<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-path-to-node=\"60\">If you want to completely remove vLLM from the AI TOP ATOM, execute the following commands on the system:<\/p>\n<p data-path-to-node=\"60\">First, remove all vLLM containers (including stopped ones):<\/p>\n<p data-path-to-node=\"60\"><strong>Command:<\/strong> <code>docker rm $(docker ps -aq --filter ancestor=nvcr.io\/nvidia\/vllm:25.11-py3)<\/code><\/p>\n<p data-path-to-node=\"60\">If you have a named container, you can also directly:<\/p>\n<p data-path-to-node=\"60\"><strong>Command:<\/strong> <code>docker stop vllm-server<\/code><\/p>\n<p data-path-to-node=\"60\"><strong>Command:<\/strong> <code>docker rm vllm-server<\/code><\/p>\n<p data-path-to-node=\"60\">Remove the container image:<\/p>\n<p data-path-to-node=\"60\"><strong>Command:<\/strong> <code>docker rmi nvcr.io\/nvidia\/vllm:25.11-py3<\/code><\/p>\n<p data-path-to-node=\"60\">To also remove unused Docker containers and images:<\/p>\n<p data-path-to-node=\"60\"><strong>Command:<\/strong> <code>docker system prune -f<\/code><\/p>\n<blockquote data-path-to-node=\"62\">\n<p data-path-to-node=\"62,0\"><b data-path-to-node=\"62,0\" data-index-in-node=\"0\">Important Note:<\/b> These commands remove the vLLM container and the image. Downloaded models remain in the Hugging Face cache if you mounted the cache path.<\/p>\n<\/blockquote>\n<h2 data-path-to-node=\"64\"><span class=\"ez-toc-section\" id=\"Summary_Conclusion\"><\/span>Summary &amp; Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-path-to-node=\"65\">Installing vLLM on the Gigabyte AI TOP ATOM is surprisingly straightforward thanks to compatibility with the NVIDIA DGX Spark playbooks. In about 30 minutes, I set up vLLM and can now run Large Language Models with maximum performance.<\/p>\n<p data-path-to-node=\"66\">What particularly excites me: The performance of the Blackwell GPU is fully utilized, and the Docker-based installation makes the setup significantly easier than a manual installation. vLLM offers an OpenAI-compatible API, allowing existing applications to be integrated seamlessly.<\/p>\n<p data-path-to-node=\"67\">I also find it especially practical that vLLM works with PagedAttention and Continuous Batching, which maximizes throughput and minimizes memory consumption. This makes it ideal for production use cases where multiple requests must be processed simultaneously.<\/p>\n<p data-path-to-node=\"68\">For teams or developers needing a high-performance LLM inference solution, this is a perfect solution: a central server with full GPU power on which models can be executed with optimal performance. The OpenAI-compatible API allows existing applications to be integrated without code changes.<\/p>\n<p data-path-to-node=\"69\">If you have questions or encounter problems, feel free to check the <a href=\"https:\/\/docs.nvidia.com\/dgx\/dgx-spark\/\" target=\"_blank\" rel=\"noopener\">official NVIDIA DGX Spark documentation<\/a> or the <a href=\"https:\/\/docs.vllm.ai\/\" target=\"_blank\" rel=\"noopener\">vLLM documentation<\/a>. The community is very helpful, and most problems can be solved quickly.<\/p>\n<h3 data-path-to-node=\"71\"><span class=\"ez-toc-section\" id=\"Next_Step_Production_Deployment_and_Performance_Tuning\"><\/span>Next Step: Production Deployment and Performance Tuning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-path-to-node=\"72\">You have now successfully installed vLLM and performed an initial test. The basic installation works, but that is just the beginning. The next step is configuration for your specific requirements.<\/p>\n<p data-path-to-node=\"73\">vLLM offers many configuration options for production use: adjusting batch sizes, optimizing memory settings, enabling quantization for larger models, or running multiple models simultaneously. The documentation shows you how to optimize these settings for your workloads.<\/p>\n<p data-path-to-node=\"74\">Good luck experimenting with vLLM on your Gigabyte AI TOP ATOM. I am excited to see which applications you develop with it! Let me and my readers know here in the comments.<\/p>\n<blockquote>\n<p data-path-to-node=\"25\"><strong>Click here for Part 1 of the installation and configuration guide.<\/strong><\/p>\n<p data-path-to-node=\"25\"><a href=\"https:\/\/ai-box.eu\/en\/top-story-en\/install-vllm-on-gigabyte-ai-top-atom-high-performance-llm-inference-with-openai-compatible-api-part-1-3\/2038\/\">Install vLLM on Gigabyte AI TOP ATOM: High-Performance LLM Inference with OpenAI-Compatible API &#8211; Part 1-3<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Download and Run Additional Models Locally Since you already downloaded models locally in Phase 4, you can now switch between different models without having to redownload them. To use another already downloaded model, simply stop the current container and restart it with the desired model. First, I stop the current container (if it is still [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2057,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[873,162,50],"tags":[896,811,893,828,894,892,786,890,888,891,878,895,889,787,791,880,879,790,877],"class_list":["post-2040","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gigabyte-ai-top-atom","category-large-language-models-en","category-top-story-en","tag-ai-top-utility","tag-blackwell-gpu","tag-cuda-troubleshooting","tag-dgx-spark-playbook","tag-docker-model-cache","tag-gated-models","tag-gigabyte-ai-top-atom","tag-gpt-oss-120b","tag-gpu-inference","tag-hugging-face-token","tag-llm-inference","tag-llm-quantization","tag-model-management","tag-nvidia-blackwell","tag-nvidia-dgx-spark","tag-openai-api","tag-pagedattention","tag-qwen2-5","tag-vllm","et-has-post-format-content","et_post_format-et-post-format-standard"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Install vLLM on Gigabyte AI TOP ATOM: High-Performance LLM Inference with OpenAI-Compatible API - Part 3-3 - Exploring the Future: Inside the AI Box<\/title>\n<meta name=\"description\" content=\"Learn how to manage multiple LLMs with vLLM on the Gigabyte AI TOP ATOM. 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