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[GH-ISSUE #13567] gpt-oss slow using vulkan #70993

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opened 2026-05-04 23:41:28 -05:00 by GiteaMirror · 5 comments
GiteaMirror commented 2026-05-04 23:41:28 -05:00
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Originally created by @Swagatade on GitHub (Dec 26, 2025).
Original GitHub issue: https://github.com/ollama/ollama/issues/13567

What is the issue?

I used all model using Intel Vulkan support very fast I used 130v gpu 16gb. But vulkan support very slow. I used only cpu this time very fast but using only gpu this time very slow. I used llama.cpp this application using vulkan same gpu very fast. Ollama very slow.

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No response

GPU

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CPU

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Ollama version

No response

Originally created by @Swagatade on GitHub (Dec 26, 2025). Original GitHub issue: https://github.com/ollama/ollama/issues/13567 ### What is the issue? I used all model using Intel Vulkan support very fast I used 130v gpu 16gb. But vulkan support very slow. I used only cpu this time very fast but using only gpu this time very slow. I used llama.cpp this application using vulkan same gpu very fast. Ollama very slow. ### Relevant log output ```shell ``` ### OS _No response_ ### GPU _No response_ ### CPU _No response_ ### Ollama version _No response_
GiteaMirror added the bug label 2026-05-04 23:41:28 -05:00
GiteaMirror commented 2026-05-04 23:41:30 -05:00
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@0x7CFE commented on GitHub (Dec 26, 2025):

What do you mean by being fast or slow? Tokens per second? Load time?

<!-- gh-comment-id:3693283284 --> @0x7CFE commented on GitHub (Dec 26, 2025): What do you mean by being fast or slow? Tokens per second? Load time?
GiteaMirror commented 2026-05-04 23:41:30 -05:00
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@anumukul commented on GitHub (Dec 26, 2025):

Hi, I’d like to take this issue and can deliver a fix within 24 hours.
I’ve worked on similar projects before and have relevant experience, so I should be able to handle this efficiently.

<!-- gh-comment-id:3693471550 --> @anumukul commented on GitHub (Dec 26, 2025): Hi, I’d like to take this issue and can deliver a fix within 24 hours. I’ve worked on similar projects before and have relevant experience, so I should be able to handle this efficiently.
GiteaMirror commented 2026-05-04 23:41:31 -05:00
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@rick-github commented on GitHub (Dec 27, 2025):

@anumukul Feel free to work on this issue or any other that piques your interest. There's no need to ask to be assigned an issue, just analyze the problem, develop a solution, submit a PR.

<!-- gh-comment-id:3693523984 --> @rick-github commented on GitHub (Dec 27, 2025): @anumukul Feel free to work on this issue or any other that piques your interest. There's no need to ask to be assigned an issue, just analyze the problem, develop a solution, submit a PR.
GiteaMirror commented 2026-05-04 23:41:31 -05:00
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@Swagatade commented on GitHub (Dec 27, 2025):

Tokens per second.

<!-- gh-comment-id:3693634165 --> @Swagatade commented on GitHub (Dec 27, 2025): Tokens per second.
GiteaMirror commented 2026-05-04 23:41:31 -05:00
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@rick-github commented on GitHub (Jan 4, 2026):

Server log may help in debugging.

<!-- gh-comment-id:3707676020 --> @rick-github commented on GitHub (Jan 4, 2026): [Server log](https://github.com/ollama/ollama/blob/main/docs/troubleshooting.mdx) may help in debugging.
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