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llama.cpp b12203 enhances GGML CPU backend performance

The llama.cpp project has released version b12203, introducing significant performance improvements to its GGML CPU backend. This update refactors the default computation for GGML_TYPE_F16 to utilize F32 for matrix multiplications, specifically addressing issues with `mul_mat` operations. The changes ensure better handling of inputs that exceed the F32 range and introduce vectorized paths for F16 x F32 operations, leading to substantial performance gains on M5 Ultra processors. AI

IMPACT Improves inference performance for large language models running on CPU.

RANK_REASON Software update to an open-source library for AI model inference.

Read on llama.cpp — Releases →

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llama.cpp b12203 enhances GGML CPU backend performance

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COVERAGE [1]

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

    b12203: ggml : switch to F32 src1 in the CPU backend (#31854)

    <ul> <li>ggml : switch to F32 src1 in the CPU backend</li> </ul> <p>Change the default computation for GGML_TYPE_F16 to use F32 for src1<br /> data in matrix multiplications: vec_dot_type(F16) is now F32 and the dot<br /> product goes through the new ggml_vec_dot_f16_f32 (x = F16…