Function weights_layers_bound

ds4.c:3525–3533

        *sc = (q[j + 4] & 0xF) | ((q[j - 4] >> 6) << 4);
        *m  = (q[j + 4] >> 4)  | ((q[j - 0] >> 6) << 4);
    }
}

static void ds4_vec_dot_q4_K_q8_K(int n, float *s, const block_q4_K *x, const block_q8_K *y) {
    const int nb = n / QK_K;

#if defined(__ARM_NEON) && defined(__ARM_FEATURE_DOTPROD)
    const int32x4_t zero = vdupq_n_s32(0);
    float sumf = 0.0f;

    for (int i = 0; i < nb; i++) {
        const float d  = y[i].d * f16_to_f32(x[i].d);