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llama.cpp adds fused op for QSA masks to boost sparse attention performance

By PulseAugur Editorial · [2 sources] ·

The llama.cpp project has released an update (b11800) that introduces a new fused operation for QSA masks, aimed at improving performance for sparse attention models. This update generalizes the k-pool mask operation into a more versatile ggml_top_k_mask function. The new operation supports various configurations for selecting top-k elements and can be enabled on backends that support it, while maintaining compatibility with existing paths on others. AI

IMPACT Enhances performance for specific attention mechanisms in local LLMs.

RANK_REASON This is a software update to an open-source project, not a frontier model release or significant industry event.

Read on r/LocalLLaMA →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

llama.cpp adds fused op for QSA masks to boost sparse attention performance

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This is a software update to an open-source project, not a frontier model release or significant industry event.
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COVERAGE [2]

  1. llama.cpp — Releases TIER_1 English(EN) · am17an ·

    b11800: llama: create new fused op for QSA mask (#30640)

    <ul> <li> <p>llama: create new fused op for QSA scoring</p> </li> <li> <p>enroll glm5.3-next too</p> </li> <li> <p>tests : initialize the remaining tensors in test_kpool_mask</p> </li> </ul> <p>The harness sentinels were left uninitialized, so leftover memory could read as NaN an…

  2. r/LocalLLaMA TIER_1 English(EN) · /u/jacek2023 ·

    llama: create new fused op for QSA mask by am17an · Pull Request #30640 · ggml-org/llama.cpp

    <table> <tr><td> <a href="https://www.reddit.com/r/LocalLLaMA/comments/1xbx12a/llama_create_new_fused_op_for_qsa_mask_by_am17an/"> <img alt="llama: create new fused op for QSA mask by am17an · Pull Request #30640 · ggml-org/llama.cpp" src="https://external-preview.redd.it/vr2xdjK…

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