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llama.cpp adds int8 CUDA kernel for few‑row matrix ops

The open‑source LLM runtime now supports a new int8 kernel on Ampere‑class NVIDIA GPUs, speeding up speculative decoding.

NoteBy Published by Oossa: 1 min read

The ggml‑org/llama.cpp project released version b12342 with a new CUDA int8 MMA kernel for few‑row matrix‑multiply‑quantize (MMQ) operations. It works with Q8_0, Q3_K, Q4_K, Q5_K, Q6_K, IQ3_S, IQ4_NL and IQ4_XS quantizations on NVIDIA GPUs from the Ampere generation onward. The change is aimed at speeding up speculative decoding verification passes. The update also includes several test and guard fixes.

Why it matters

Developers can run LLM inference faster on compatible GPUs, reducing latency for interactive AI applications.

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