* iq2_kt: Metal dequantize * iq2_kt: Metal GEMV Performance is actually quite decent: 52 t/s on my M2-Max for LlaMA-3.1-8B * iq3_kt: Metal dequantize * iq3_kt: Metal GEMV Performance is not as good as iq2_kt: 40 t/s on my M2-Max for LlaMA-3.1-8B. Flipping signs is a costly affair. * iq4_kt: Metal dequantize - getting NaNs * iq4_kt: Metal GEMV - also not working * iq4_kt: Metal still not working * Disable iq4_kt on Metal for now --------- Co-authored-by: Iwan Kawrakow <iwan.kawrakow@gmail.com> |
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