SIVARO
High Performance Computing
OpenMP Target Teams Distribute for Parallel Multi-GPU
I spent three weeks in November 2025 trying to get a 4-GPU matrix decomposition running on a single node without pulling in CUDA. Three. Weeks. The answer wa...
Multi-GPU OpenMP Offloading Memory Allocation: The 2026 Field Guide
You've got four GPUs. OpenMP says target teams distribute. The compiler accepts it. The first kernel runs. Then you check nvidia-smi and realize GPU 2 has 14...
Best Practices for Multi-GPU OpenMP Offloading: A 2026 Field Guide
So you've got a node with eight H100s (or MI300Xs, or even a pair of consumer cards) and you're staring at an OpenMP codebase that's running on one GPU. You'...
How to Use Multiple GPUs With OpenMP Offloading
I spent three weeks in early 2025 trying to get OpenMP offloading to scale across eight NVIDIA H100s for a client's LLM inference pipeline. The documentation...
Multi-GPU Programming: OpenMP vs CUDA — The 2026 Buyer's Guide
You've got eight GPUs staring at you from the server rack. Now what? I've been there. In 2024, we rebuilt SIVARO's inference stack to span four A100s, and I ...
OpenMP Offloading Multi-GPU Example Code: The 2026 Field Guide
It’s August 2026. The H100 is old news, and you’re staring at a node with four GPUs that are only being used one at a time. I’ve been there. At SIVARO,...
OpenMP Offloading Multi-GPU Programming Architectures: The 2026 Buyer's Guide
You've got a node with eight GPUs plugged in. Your code is OpenMP-ready. And now you're staring at the target data map wondering how to split work across all...
OpenMP Offloading to Multiple GPUs & NUMA Management: The Missing Manual
You've got a node with eight GPUs. OpenMP offloading is working on one. And now, performance is tanking as soon as you scale to all of them. I've debugged th...
OpenMP Target Data Map Multi-GPU Performance: The 2026 Buying Guide You Can't Afford to Skip
You're staring at a node with eight A100s and a codebase that's 90%% OpenMP. The question isn't if you should offload to multiple GPUs. It's how you're going ...
How to Estimate Cost Per Inference Request in Production
You built a model that works. Now you need to know what it costs to run it. Not in a sandbox. In production. At scale. And the cloud bill is about to hit you...