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sbgemm: cooperlake: add n24 kernel for tcopy_4

This commit is contained in:
Wangyang Guo 2021-08-19 19:46:08 +08:00
parent 5fcacad32b
commit beccb83b16
1 changed files with 99 additions and 2 deletions
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101
kernel/x86_64/sbgemm_tcopy_4_cooperlake.c
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@ -29,6 +29,10 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <immintrin.h>
#include "common.h"
#define STORE_VEC(Bx, By, vec) \
if (By == 0) asm("vmovdqu16 %0, (%1)": : "v"(vec), "r"(boffset##Bx)); \
else asm("vmovdqu16 %0, (%1, %2, %c3)": : "v"(vec), "r"(boffset##Bx), "r"(blk_size), "n"(By * 2));
int CNAME(BLASLONG m, BLASLONG n, IFLOAT *a, BLASLONG lda, IFLOAT *b){
BLASLONG i, j;
@ -36,13 +40,106 @@ int CNAME(BLASLONG m, BLASLONG n, IFLOAT *a, BLASLONG lda, IFLOAT *b){
boffset0 = b;
BLASLONG n24 = n - (n % 24);
BLASLONG n8 = n & ~7;
BLASLONG m8 = m & ~7;
BLASLONG m4 = m & ~3;
BLASLONG m2 = m & ~1;
for (j = 0; j < n8; j += 8) {
int permute_table[] = {
0x0, 0x1, 0x2, 0x3, 0x10, 0x11, 0x12, 0x13, 0x8, 0x9, 0xa, 0xb, 0x18, 0x19, 0x1a, 0x1b,
0x4, 0x5, 0x6, 0x7, 0x14, 0x15, 0x16, 0x17, 0xc, 0xd, 0xe, 0xf, 0x1c, 0x1d, 0x1e, 0x1f,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
};
j = 0;
if (n > 23) {
/* n = 24 is the max width in current blocking setting */
__m512i idx_lo_128 = _mm512_loadu_si512(permute_table);
__m512i idx_hi_128 = _mm512_loadu_si512(permute_table + 16);
__m512i idx_lo_256 = _mm512_loadu_si512(permute_table + 32);
__m512i idx_hi_256 = _mm512_loadu_si512(permute_table + 48);
__mmask32 mask24 = (1UL << 24) - 1;
BLASLONG blk_size = m * 4;
BLASLONG stride = blk_size * 3;
for (; j < n24; j += 24) {
boffset1 = boffset0 + stride;
for (i = 0; i < m8; i += 8) {
__m512i r0, r1, r2, r3, r4, r5, r6, r7;
__m512i t0, t1, t2, t3, t4, t5, t6, t7;
r0 = _mm512_maskz_loadu_epi16(mask24, &a[(i + 0)*lda + j]);
r1 = _mm512_maskz_loadu_epi16(mask24, &a[(i + 1)*lda + j]);
r2 = _mm512_maskz_loadu_epi16(mask24, &a[(i + 2)*lda + j]);
r3 = _mm512_maskz_loadu_epi16(mask24, &a[(i + 3)*lda + j]);
r4 = _mm512_maskz_loadu_epi16(mask24, &a[(i + 4)*lda + j]);
r5 = _mm512_maskz_loadu_epi16(mask24, &a[(i + 5)*lda + j]);
r6 = _mm512_maskz_loadu_epi16(mask24, &a[(i + 6)*lda + j]);
r7 = _mm512_maskz_loadu_epi16(mask24, &a[(i + 7)*lda + j]);
t0 = _mm512_unpacklo_epi16(r0, r1);
t1 = _mm512_unpackhi_epi16(r0, r1);
t2 = _mm512_unpacklo_epi16(r2, r3);
t3 = _mm512_unpackhi_epi16(r2, r3);
t4 = _mm512_unpacklo_epi16(r4, r5);
t5 = _mm512_unpackhi_epi16(r4, r5);
t6 = _mm512_unpacklo_epi16(r6, r7);
t7 = _mm512_unpackhi_epi16(r6, r7);
r0 = _mm512_permutex2var_epi32(t0, idx_lo_128, t2);
r1 = _mm512_permutex2var_epi32(t1, idx_lo_128, t3);
r2 = _mm512_permutex2var_epi32(t4, idx_lo_128, t6);
r3 = _mm512_permutex2var_epi32(t5, idx_lo_128, t7);
r4 = _mm512_permutex2var_epi32(t0, idx_hi_128, t2);
r5 = _mm512_permutex2var_epi32(t1, idx_hi_128, t3);
r6 = _mm512_permutex2var_epi32(t4, idx_hi_128, t6);
r7 = _mm512_permutex2var_epi32(t5, idx_hi_128, t7);
t0 = _mm512_permutex2var_epi32(r0, idx_lo_256, r2);
t1 = _mm512_permutex2var_epi32(r1, idx_lo_256, r3);
t2 = _mm512_permutex2var_epi32(r4, idx_lo_256, r6);
t3 = _mm512_permutex2var_epi32(r5, idx_lo_256, r7);
t4 = _mm512_permutex2var_epi32(r0, idx_hi_256, r2);
t5 = _mm512_permutex2var_epi32(r1, idx_hi_256, r3);
STORE_VEC(0, 0, t0); STORE_VEC(0, 1, t1); STORE_VEC(0, 2, t2);
STORE_VEC(1, 0, t3); STORE_VEC(1, 1, t4); STORE_VEC(1, 2, t5);
boffset0 += 32;
boffset1 += 32;
}
for (; i < m2; i += 2) {
__m512i r0, r1, t0, t1;
r0 = _mm512_maskz_loadu_epi16(mask24, &a[(i + 0)*lda + j]);
r1 = _mm512_maskz_loadu_epi16(mask24, &a[(i + 1)*lda + j]);
t0 = _mm512_unpacklo_epi16(r0, r1);
t1 = _mm512_unpackhi_epi16(r0, r1);
STORE_VEC(0, 0, _mm512_extracti32x4_epi32(t0, 0));
STORE_VEC(0, 1, _mm512_extracti32x4_epi32(t1, 0));
STORE_VEC(0, 2, _mm512_extracti32x4_epi32(t0, 1));
STORE_VEC(1, 0, _mm512_extracti32x4_epi32(t1, 1));
STORE_VEC(1, 1, _mm512_extracti32x4_epi32(t0, 2));
STORE_VEC(1, 2, _mm512_extracti32x4_epi32(t1, 2));
boffset0 += 8;
boffset1 += 8;
}
for (; i < m; i++) {
*(uint64_t *)(boffset0 + blk_size * 0) = *(uint64_t *)&a[i * lda + j + 0];
*(uint64_t *)(boffset0 + blk_size * 1) = *(uint64_t *)&a[i * lda + j + 4];
*(uint64_t *)(boffset0 + blk_size * 2) = *(uint64_t *)&a[i * lda + j + 8];
*(uint64_t *)(boffset1 + blk_size * 0) = *(uint64_t *)&a[i * lda + j + 12];
*(uint64_t *)(boffset1 + blk_size * 1) = *(uint64_t *)&a[i * lda + j + 16];
*(uint64_t *)(boffset1 + blk_size * 2) = *(uint64_t *)&a[i * lda + j + 20];
boffset0 += 4;
boffset1 += 4;
}
boffset0 += stride * 2;
}
}
for (; j < n8; j += 8) {
boffset1 = boffset0 + m * 4;
for (i = 0; i < m4; i +=4) {
for (i = 0; i < m4; i += 4) {
__m128i a0 = _mm_loadu_si128((void *)&a[(i + 0)*lda + j]);
__m128i a1 = _mm_loadu_si128((void *)&a[(i + 1)*lda + j]);
__m128i a2 = _mm_loadu_si128((void *)&a[(i + 2)*lda + j]);