#include <omp.h> void set_num_threads(int n_threads) { omp_set_num_threads(n_threads); } int get_num_threads() { return omp_get_num_threads(); } void compress_int4_weight(void *weight, void *out, int n, int m) { #pragma omp parallel for for(int i=0;i<n;i++) { for(int j=0;j<m;j++) { (*(unsigned char*)(out + sizeof(unsigned char) * (i * m + j))) |= ((*(unsigned char*)(weight + sizeof(unsigned char) * (i * (m << 1) + (j << 1)))) << 4); (*(unsigned char*)(out + sizeof(unsigned char) * (i * m + j))) |= (((*(unsigned char*)(weight + sizeof(unsigned char) * (i * (m << 1) + ((j << 1) | 1)))) & 15)); } } } void extract_int8_weight_to_float(void *weight, void *scale_list, void *out, int n, int m) { #pragma omp parallel for for(int i=0;i<n;i++) { for(int j=0;j<m;j++) (*(float*)(out + sizeof(float) * (i * m + j))) = (*(float*)(scale_list + sizeof(float) * i)) * (*(char*)(weight + sizeof(char) * (i * m + j))); } } void extract_int4_weight_to_float(void *weight, void *scale_list, void *out, int n, int m) { #pragma omp parallel for for(int i=0;i<n;i++) { for(int j=0;j<m;j++) { (*(float*)(out + sizeof(float) * (i * (m << 1) + (j << 1)))) = (*(float*)(scale_list + sizeof(float) * i)) * ((*(char*)(weight + sizeof(char) * (i * m + j))) >> 4); (*(float*)(out + sizeof(float) * (i * (m << 1) + ((j << 1) | 1)))) = (*(float*)(scale_list + sizeof(float) * i)) * (((char)((*(unsigned char*)(weight + sizeof(char) * (i * m + j))) << 4))>> 4); } } }