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29 lines
1.4 KiB
Markdown
29 lines
1.4 KiB
Markdown
---
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title: Move pixels around
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description:
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published: true
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date: 2021-11-13T17:52:22.554Z
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tags:
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editor: markdown
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dateCreated: 2021-11-13T17:52:22.554Z
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---
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# Graphic cards
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Phyllome leverages 3D acceleration within guest operating systems extensively, in three different modes depending on the context.
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* **vfio-pci** : Passing through a physical Graphical Processing Unit (GPU) to the guest via the `vfio-pci` driver
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* **vfio-mdev** : Create multiple vGPUs that can then be passed through to multiple guests. It does require a compatible GPU
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* **virtio-gpu** : Expose capabilities of the host GPU to the guest via the `virtio-gpu` driver. Compatible with most GPUs but not many guests
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| Description | vfio-pci | vfio-mdev | vfio-gpu |
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|---|---|---|---|
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| *Performance* | Near-native performance and full features set | Near-native performance and full features set | Degraded performance and limited features set |
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| *Guests support* | UNIX and non-UNIX guests | UNIX and non-UNIX guests | Works only on selected UNIX guests |
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| *Driver* | No specialized driver in the guest | No specialized driver in the guest | A special driver in the guest is required |
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| *Number of host GPUs* | Two GPUs in most situations | A single GPU | A single GPU |
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| *GPU support* | Mostly GPU agnostic | Recent Intel integrated GPUs and some professional-grade Nvidia GPUs. Some consumer GPUs can be unlocked | Mostly GPU agnostic |
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---
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*[**Go to parent page**](https://wiki.phyllo.me/)* |