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reorder_b.h
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reorder_b.h
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#pragma once
static void reorder_b(int8_t* b, int8_t* sb, const int k, const int n, const int ldx) {
int i = 0;
for (; i+3 < n; i += 4) {
int8_t *p0 = b + i;
int8_t *p1 = b + 1 * ldx + i;
int8_t *p2 = b + 2 * ldx + i;
int8_t *p3 = b + 3 * ldx + i;
int8_t *p4 = b + 4 * ldx + i;
int8_t *p5 = b + 5 * ldx + i;
int8_t *p6 = b + 6 * ldx + i;
int8_t *p7 = b + 7 * ldx + i;
int j = 0;
for (; j+7 < k; j += 8) {
sb[0] = p0[0];
sb[1] = p1[0];
sb[2] = p2[0];
sb[3] = p3[0];
sb[4] = p4[0];
sb[5] = p5[0];
sb[6] = p6[0];
sb[7] = p7[0];
sb[8] = p0[1];
sb[9] = p1[1];
sb[10] = p2[1];
sb[11] = p3[1];
sb[12] = p4[1];
sb[13] = p5[1];
sb[14] = p6[1];
sb[15] = p7[1];
sb[16] = p0[2];
sb[17] = p1[2];
sb[18] = p2[2];
sb[19] = p3[2];
sb[20] = p4[2];
sb[21] = p5[2];
sb[22] = p6[2];
sb[23] = p7[2];
sb[24] = p0[3];
sb[25] = p1[3];
sb[26] = p2[3];
sb[27] = p3[3];
sb[28] = p4[3];
sb[29] = p5[3];
sb[30] = p6[3];
sb[31] = p7[3];
sb += 32;
p0 += 8 * ldx;
p1 += 8 * ldx;
p2 += 8 * ldx;
p3 += 8 * ldx;
p4 += 8 * ldx;
p5 += 8 * ldx;
p6 += 8 * ldx;
p7 += 8 * ldx;
}
for (; j+3 < k; j += 4) {
sb[0] = p0[0];
sb[1] = p1[0];
sb[2] = p2[0];
sb[3] = p3[0];
sb[4] = p0[1];
sb[5] = p1[1];
sb[6] = p2[1];
sb[7] = p3[1];
sb[8] = p0[2];
sb[9] = p1[2];
sb[10] = p2[2];
sb[11] = p3[2];
sb[12] = p0[3];
sb[13] = p1[3];
sb[14] = p2[3];
sb[15] = p3[3];
sb += 16;
p0 += 4 * ldx;
p1 += 4 * ldx;
p2 += 4 * ldx;
p3 += 4 * ldx;
}
for (; j+1 < k; j += 2) {
sb[0] = p0[0];
sb[1] = p1[0];
sb[2] = p0[1];
sb[3] = p1[1];
sb[4] = p0[2];
sb[5] = p1[2];
sb[6] = p0[3];
sb[7] = p1[3];
sb += 8;
p0 += 2 * ldx;
p1 += 2 * ldx;
}
for (; j < k; ++j) {
sb[0] = p0[0];
sb[1] = p0[1];
sb[2] = p0[2];
sb[3] = p0[3];
sb += 4;
p0 += ldx;
}
}
for (; i+1 < n; i += 2) {
int8_t *p0 = b + i;
int8_t *p1 = b + 1 * ldx + i;
int8_t *p2 = b + 2 * ldx + i;
int8_t *p3 = b + 3 * ldx + i;
int8_t *p4 = b + 4 * ldx + i;
int8_t *p5 = b + 5 * ldx + i;
int8_t *p6 = b + 6 * ldx + i;
int8_t *p7 = b + 7 * ldx + i;
int j = 0;
for (; j+7 < k; j += 8) {
sb[0] = p0[0];
sb[1] = p1[0];
sb[2] = p2[0];
sb[3] = p3[0];
sb[4] = p4[0];
sb[5] = p5[0];
sb[6] = p6[0];
sb[7] = p7[0];
sb[8] = p0[1];
sb[9] = p1[1];
sb[10] = p2[1];
sb[11] = p3[1];
sb[12] = p4[1];
sb[13] = p5[1];
sb[14] = p6[1];
sb[15] = p7[1];
sb += 16;
p0 += 8 * ldx;
p1 += 8 * ldx;
p2 += 8 * ldx;
p3 += 8 * ldx;
p4 += 8 * ldx;
p5 += 8 * ldx;
p6 += 8 * ldx;
p7 += 8 * ldx;
}
for (; j+3 < k; j += 4) {
sb[0] = p0[0];
sb[1] = p1[0];
sb[2] = p2[0];
sb[3] = p3[0];
sb[4] = p0[1];
sb[5] = p1[1];
sb[6] = p2[1];
sb[7] = p3[1];
sb += 8;
p0 += 4 * ldx;
p1 += 4 * ldx;
p2 += 4 * ldx;
p3 += 4 * ldx;
}
for (; j+1 < k; j += 2) {
sb[0] = p0[0];
sb[1] = p1[0];
sb[2] = p0[1];
sb[3] = p1[1];
sb += 4;
p0 += 2 * ldx;
p1 += 2 * ldx;
}
for (; j < k; ++j) {
sb[0] = p0[0];
sb[1] = p0[1];
sb += 2;
p0 += ldx;
}
}
for (; i < n; ++i) {
int8_t *p0 = b + i;
int8_t *p1 = b + 1 * ldx + i;
int8_t *p2 = b + 2 * ldx + i;
int8_t *p3 = b + 3 * ldx + i;
int8_t *p4 = b + 4 * ldx + i;
int8_t *p5 = b + 5 * ldx + i;
int8_t *p6 = b + 6 * ldx + i;
int8_t *p7 = b + 7 * ldx + i;
int j = 0;
for (; j+7 < k; j += 8) {
sb[0] = p0[0];
sb[1] = p1[0];
sb[2] = p2[0];
sb[3] = p3[0];
sb[4] = p4[0];
sb[5] = p5[0];
sb[6] = p6[0];
sb[7] = p7[0];
sb += 8;
p0 += 8 * ldx;
p1 += 8 * ldx;
p2 += 8 * ldx;
p3 += 8 * ldx;
p4 += 8 * ldx;
p5 += 8 * ldx;
p6 += 8 * ldx;
p7 += 8 * ldx;
}
for (; j+3 < k; j += 4) {
sb[0] = p0[0];
sb[1] = p1[0];
sb[2] = p2[0];
sb[3] = p3[0];
sb += 4;
p0 += 4 * ldx;
p1 += 4 * ldx;
p2 += 4 * ldx;
p3 += 4 * ldx;
}
for (; j+1 < k; j += 2) {
sb[0] = p0[0];
sb[1] = p1[0];
sb += 2;
p0 += 2 * ldx;
p1 += 2 * ldx;
}
for (; j < k; ++j) {
sb[0] = p0[0];
sb += 1;
p0 += ldx;
}
}
}