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Bare Metal → GPU Server Optimization
How to optimize a GPU bare metal server
If you’re using a GPU bare metal server and not getting the performance you expected, chances are you’re leaving horsepower on the table. These machines are built to accelerate serious workloads—but only if you configure them right.
Want to max out your GPU server’s performance? Let’s get into it.
GPU bare metal server use cases
GPU-equipped bare metal servers aren’t just for gaming or rendering. You’ll find them at the core of some of the most demanding modern workloads:
- AI and machine learning: GPUs handle parallel processing tasks efficiently, making them ideal for model training and inference.
- Data analytics: GPU acceleration speeds up big data pipelines, especially when processing high volumes of unstructured data.
- Scientific computing: From genome sequencing to fluid dynamics, GPUs are essential for simulation-heavy research.
- 3D rendering and video processing: Bare metal access reduces latency and gives studios more predictable performance than shared cloud GPUs.
- Virtual desktop infrastructure (VDI): GPUs support multiple high-performance virtual desktops with hardware acceleration.
How to optimize a GPU bare metal server for peak performance
If you’re renting a GPU bare metal server from a hosting provider, you won’t be able to tweak BIOS settings or physically inspect cooling … but your hosting provider should be taking care of the hardware. Your optimization path is mostly software-side, but there’s still a lot you can do to push performance.
1. Install the latest GPU drivers and toolkit
Even if the hosting provider preloads the OS and drivers, verify that you’re running the latest production-grade drivers for your GPU model. For NVIDIA users, this means the latest compatible version of the NVIDIA driver and CUDA toolkit (matching your ML or HPC stack). AMD users should check for the latest ROCm release.
Avoid relying on default package manager versions—they’re often outdated and may lack support for newer frameworks or performance fixes.
2. Match CUDA/ROCm to your software stack
Many deep learning frameworks like PyTorch or TensorFlow only work with specific versions of CUDA. Mixing versions can silently degrade performance or cause compatibility issues. Use official framework install guides to match the correct CUDA version, then verify with tools like nvcc --version or torch.version.cuda.
For containerized workloads, use pre-built Docker images from NVIDIA NGC or ROCm that already match your framework and driver versions.
3. Optimize the OS for GPU workloads
Disable unnecessary services and daemons that consume CPU cycles or I/O bandwidth. Set your server’s power profile to performance mode to avoid frequency scaling delays. On Linux, this might mean using cpupower or editing governor settings directly.
Consider using a lightweight distro like Ubuntu Server or Rocky Linux with a minimal install footprint. The leaner your OS, the more system resources you free up for GPU tasks.
4. Monitor GPU usage and temperature in real time
Use nvidia-smi (for NVIDIA) or rocm-smi (for AMD) to check utilization, memory usage, and thermal headroom during workloads. If utilization is low, your app might be CPU-bound or bottlenecked by slow data pipelines. If thermals are high, ask your provider about thermal limits or fan policies.
While you can’t change hardware cooling, knowing what’s going on under the hood helps you debug and optimize smarter.
5. Streamline data pipelines and I/O
Whether you’re training a model or transcoding video, data throughput matters. Store datasets or media on NVMe-backed volumes when available. Use parallel data loaders, chunked file formats (like TFRecords or Arrow), and caching layers to avoid I/O stalls.
You can’t optimize the underlying disk itself, but you can reduce the load on it by optimizing how your app reads and pre-processes data.
6. Use containers for repeatability and performance isolation
GPU-optimized containers (like those from NVIDIA NGC or PyTorch Docker Hub) provide tuned runtimes, driver compatibility, and better dependency management. On hosted servers, containers help avoid “dependency hell” while isolating resource usage between tasks or teams.
Bonus: containers also make it easier to scale across multiple servers later if your workload grows.
7. Configure persistent logging and alerting
Set up automated monitoring tools like Prometheus with node_exporter + DCGM Exporter (for NVIDIA GPUs), or custom scripts that alert you when utilization drops, thermals spike, or memory usage exceeds thresholds. These help you catch performance drift early—especially on long-running jobs.
Even if you’re not watching your server 24/7, your logs and alerts will be.
How to choose a bare metal hosting provider
- Dedicated GPUs, not virtualized: Make sure you’re getting true bare metal access to the GPU—no sharing, no hypervisor overhead.
- Up-to-date GPU models: Look for servers with NVIDIA A100, H100, L40S, or AMD MI300-class GPUs. Legacy cards may not support modern AI frameworks.
- High-speed networking: For distributed training or remote workflows, low-latency networking (10Gbps or higher) is a must.
- Configurable specs: You should be able to choose CPU, RAM, storage, and GPU configuration to match your workload, not force it into a one-size-fits-all box.
- Root access and OS choice: Full control means better optimization. Look for providers that offer root-level access and a range of OS install options.
- Support and SLAs: You want 24/7 support from engineers who understand GPU workloads—not just generic server techs. Bonus points for SLAs with uptime guarantees.
Getting started with a GPU bare metal server
GPU-equipped bare metal servers give you direct, unfiltered access to powerful hardware—no virtualization layers, no noisy neighbors, just raw performance. Perfect for ML, data, and compute-heavy applications.
When it’s time for a professional bare metal server solution, Liquid Web can help. Our bare metal servers are fast, secure, and backed by a 99.999% uptime guarantee.
Click below to explore bare metal options or start a chat with one of our experts to learn more.
Additional resources
What is bare metal? →
A complete beginner’s guide to help you understand what it is, how it works, basic terminology, and much more
What is a GPU? →
Another complete beginner’s guide, this time we’re talking all things GPUs.
GPU for AI →
How to choose the right hardware and hosting provider, and some projects to get started