in gemmology.h [741:746]
inline __m512i QuantizerGrabHalves(const float *input0, const float *input1,
const __m512 quant_mult_reg) {
__m512 appended = Concat(_mm256_loadu_ps(input0), _mm256_loadu_ps(input1));
appended = _mm512_mul_ps(appended, quant_mult_reg);
return _mm512_cvtps_epi32(appended);
}