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feat: update vGPU Ubuntu LLM use case - #46

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ivartz wants to merge 5 commits into
norcams:masterfrom
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ivartz wants to merge 5 commits into
norcams:masterfrom
ivartz:master

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@ivartz

@ivartz ivartz commented Sep 1, 2026

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- Adapt existing L40s inference tutorial for Ubuntu 26.04 LTS
- Document CUDA 13.1 + GCC 15 incompatibility and patch fix
- Use cuda-toolkit-13 instead of nvidia-cuda-toolkit
- Specify gcc-14/g++-14 for CUDA host compiler
- Note: tested and verified build on running Ubuntu 26.04 instance
Set timezone to Europe/Oslo for log consistency. Add nload for
real-time network monitoring. Both apply to Ubuntu 24 and 26 sections.
- Add python3.14-venv to apt install (required for python3 -m venv)
- Replace deprecated --no-mmap with --load-mode mmap
- Add measured benchmarks from actual L40S run
- Clarify that cmake flags alone cannot fix NVML/GCC issues

WHY: After testing on the actual L40S vGPU instance, two pre-build
fixes (NVML symlink + math_functions.h patch) are mandatory regardless
of cmake flags. The tutorial was also updated with real benchmark data
(MTP: 200 t/s, 100% draft acceptance) and the --no-mmap deprecation
warning from llama.cpp.
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