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llama.cpp b11876 release fixes Vulkan compute shader issues

By PulseAugur Editorial · [1 sources] ·

The llama.cpp project has released version b11876, which includes a fix for Vulkan compute shaders. This update addresses issues with warp tile calculations in small matrix multiplications, particularly affecting devices with 8-wide subgroups and ensuring all tiles are computed correctly. The fix was tested on a Pixel 9 Android phone, resolving previously observed failures, and was assisted by Claude Opus 5.5. AI

IMPACT Improves performance and stability for AI model inference on a wider range of devices.

RANK_REASON This is a software release for a specific project, not a frontier model release or significant industry event.

Read on llama.cpp — Releases →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

llama.cpp b11876 release fixes Vulkan compute shader issues

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16 / 100
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This is a software release for a specific project, not a frontier model release or significant industry event.
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COVERAGE [1]

  1. llama.cpp — Releases TIER_1 (SO) · github-actions[bot] ·

    b11876

    <details open=""> <p>vulkan : one warp tile per subgroup in the small matmul tiles (<a class="issue-link js-issue-link" href="https://github.com/ggml-org/llama.cpp/pull/30106">#30106</a>)</p> <p>WM of the small tiles was 32, or 8 for 8-wide subgroups, whatever the<br /> tile's BL…

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