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Posted by BeauHD from the impressive-results dept.
Nvidia’s new R555 Linux driver series has significantly improved their open-source GPU kernel driver modules, achieving near parity with their proprietary drivers. Phoronix’s Michael Larabel reports: The NVIDIA open-source kernel driver modules shipped by their driver installer and also available via their GitHub repository are in great shape. With the R555 series the support and performance is basically at parity of their open-source kernel modules compared to their proprietary kernel drivers. […] Across a range of different GPU-accelerated creator workloads, the performance of the open-source NVIDIA kernel modules matched that of the proprietary driver. No loss in performance going the open-source kernel driver route. Across various professional graphics workloads, both the NVIDIA RTX A2000 and A4000 graphics cards were also achieving the same performance whether on the open-source MIT/GPLv2 driver or using NVIDIA’s classic proprietary driver.
Across all of the tests I carried out using the NVIDIA 555 stable series Linux driver, the open-source NVIDIA kernel modules were able to achieve the same performance as the classic proprietary driver. Also important is that there was no increased power use or other difference in power management when switching over to the open-source NVIDIA kernel modules.
It’s great seeing how far the NVIDIA open-source kernel modules have evolved and that with the upcoming NVIDIA 560 Linux driver series they will be defaulting to them on supported GPUs. And moving forward with Blackwell and beyond, NVIDIA is just enabling the GPU support along their open-source kernel drivers with leaving the proprietary kernel drivers to older hardware. Tests I have done using NVIDIA GeForce RTX 40 graphics cards with Linux gaming workloads between the MIT/GPL and proprietary kernel drivers have yielded similar (boring but good) results: the same performance being achieved with no loss going the open-source route.
You can view Phoronix’s performance results in charts here, here, and here.
Quantum Mechanics is a lovely introduction to Hilbert Spaces! — Overheard at last year’s Archimedeans’ Garden Party
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