sbgemm: spr: implement otcopy_16

This commit is contained in:
Wangyang Guo 2021-09-23 01:08:40 -07:00
parent 8632380a96
commit 82194ea9d2
1 changed files with 270 additions and 0 deletions

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@ -25,8 +25,278 @@
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* *****************************************************************************/
#include <immintrin.h>
#include "common.h"
#define LOAD_A_8VEC(aptr) \
r0 = _mm256_loadu_si256((__m256i *)(aptr + lda*0)); \
r1 = _mm256_loadu_si256((__m256i *)(aptr + lda*1)); \
r2 = _mm256_loadu_si256((__m256i *)(aptr + lda*2)); \
r3 = _mm256_loadu_si256((__m256i *)(aptr + lda*3)); \
r4 = _mm256_loadu_si256((__m256i *)(aptr + lda*4)); \
r5 = _mm256_loadu_si256((__m256i *)(aptr + lda*5)); \
r6 = _mm256_loadu_si256((__m256i *)(aptr + lda*6)); \
r7 = _mm256_loadu_si256((__m256i *)(aptr + lda*7));
#define MASK_LOAD_A_8VEC(aptr) \
r0 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*0)); \
r1 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*1)); \
r2 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*2)); \
r3 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*3)); \
r4 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*4)); \
r5 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*5)); \
r6 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*6)); \
r7 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*7));
#define SWITCH_LOAD_A_8VEC(aptr, cond) \
switch((cond)) { \
case 8: r7 = _mm256_loadu_si256((__m256i *)(aptr + lda*7)); \
case 7: r6 = _mm256_loadu_si256((__m256i *)(aptr + lda*6)); \
case 6: r5 = _mm256_loadu_si256((__m256i *)(aptr + lda*5)); \
case 5: r4 = _mm256_loadu_si256((__m256i *)(aptr + lda*4)); \
case 4: r3 = _mm256_loadu_si256((__m256i *)(aptr + lda*3)); \
case 3: r2 = _mm256_loadu_si256((__m256i *)(aptr + lda*2)); \
case 2: r1 = _mm256_loadu_si256((__m256i *)(aptr + lda*1)); \
case 1: r0 = _mm256_loadu_si256((__m256i *)(aptr + lda*0)); \
}
#define SWITCH_MASK_LOAD_A_8VEC(aptr, cond) \
switch((cond)) { \
case 8: r7 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*7)); \
case 7: r6 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*6)); \
case 6: r5 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*5)); \
case 5: r4 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*4)); \
case 4: r3 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*3)); \
case 3: r2 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*2)); \
case 2: r1 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*1)); \
case 1: r0 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aptr + lda*0)); \
}
#define REORDER_8x16(t0, t1, t2, t3, t4, t5, t6, t7) \
t0 = _mm256_unpacklo_epi16(r0, r1); \
t1 = _mm256_unpackhi_epi16(r0, r1); \
t2 = _mm256_unpacklo_epi16(r2, r3); \
t3 = _mm256_unpackhi_epi16(r2, r3); \
t4 = _mm256_unpacklo_epi16(r4, r5); \
t5 = _mm256_unpackhi_epi16(r4, r5); \
t6 = _mm256_unpacklo_epi16(r6, r7); \
t7 = _mm256_unpackhi_epi16(r6, r7); \
r0 = _mm256_unpacklo_epi32(t0, t2); \
r1 = _mm256_unpacklo_epi32(t1, t3); \
r2 = _mm256_unpacklo_epi32(t4, t6); \
r3 = _mm256_unpacklo_epi32(t5, t7); \
r4 = _mm256_unpackhi_epi32(t0, t2); \
r5 = _mm256_unpackhi_epi32(t1, t3); \
r6 = _mm256_unpackhi_epi32(t4, t6); \
r7 = _mm256_unpackhi_epi32(t5, t7); \
t0 = _mm256_unpacklo_epi64(r0, r2); \
t1 = _mm256_unpackhi_epi64(r0, r2); \
t2 = _mm256_unpacklo_epi64(r4, r6); \
t3 = _mm256_unpackhi_epi64(r4, r6); \
t4 = _mm256_unpacklo_epi64(r1, r3); \
t5 = _mm256_unpackhi_epi64(r1, r3); \
t6 = _mm256_unpacklo_epi64(r5, r7); \
t7 = _mm256_unpackhi_epi64(r5, r7);
#define STORE_256_LO(x) \
v = _mm256_permute2x128_si256(t0##x, t1##x, 0x20); \
_mm256_storeu_si256((__m256i *)(boffset + x*32), v);
#define STORE_256_HI(x) \
v = _mm256_permute2x128_si256(t0##x, t1##x, 0x31); \
_mm256_storeu_si256((__m256i *)(boffset + (x + 8)*32), v);
#define MASK_STORE_256_LO(x) \
v = _mm256_permute2x128_si256(t0##x, t1##x, 0x20); \
_mm256_mask_storeu_epi16(boffset + x*m_load, mmask, v);
#define MASK_STORE_256_HI(x) \
v = _mm256_permute2x128_si256(t0##x, t1##x, 0x31); \
_mm256_mask_storeu_epi16(boffset + (x + 8)*m_load, mmask, v);
#define STORE_256(x, y) {\
__m256i v; \
if (x == 0) { STORE_256_LO(y); } \
else { STORE_256_HI(y); } \
}
#define MASK_STORE_256(x, y) {\
__m256i v; \
if (x == 0) { MASK_STORE_256_LO(y); } \
else { MASK_STORE_256_HI(y); } \
}
#define SWITCH_STORE_16x(cond, func) \
switch((cond)) {\
case 15: func(1, 6); \
case 14: func(1, 5); \
case 13: func(1, 4); \
case 12: func(1, 3); \
case 11: func(1, 2); \
case 10: func(1, 1); \
case 9: func(1, 0); \
case 8: func(0, 7); \
case 7: func(0, 6); \
case 6: func(0, 5); \
case 5: func(0, 4); \
case 4: func(0, 3); \
case 3: func(0, 2); \
case 2: func(0, 1); \
case 1: func(0, 0); \
}
int CNAME(BLASLONG m, BLASLONG n, IFLOAT *a, BLASLONG lda, IFLOAT *b) {
IFLOAT *aoffset, *boffset;
IFLOAT *aoffset00, *aoffset01, *aoffset10, *aoffset11;
IFLOAT *boffset0;
__m256i r0, r1, r2, r3, r4, r5, r6, r7;
__m256i t00, t01, t02, t03, t04, t05, t06, t07;
__m256i t10, t11, t12, t13, t14, t15, t16, t17;
aoffset = a;
boffset = b;
BLASLONG n_count = n;
BLASLONG m_count = m;
for (; n_count > 15; n_count -= 16) {
aoffset00 = aoffset;
aoffset01 = aoffset00 + 8 * lda;
aoffset10 = aoffset01 + 8 * lda;
aoffset11 = aoffset10 + 8 * lda;
aoffset += 16;
m_count = m;
for (; m_count > 31; m_count -= 32) {
// first 16 rows
LOAD_A_8VEC(aoffset00);
REORDER_8x16(t00, t01, t02, t03, t04, t05, t06, t07);
LOAD_A_8VEC(aoffset01);
REORDER_8x16(t10, t11, t12, t13, t14, t15, t16, t17);
STORE_256(0, 0); STORE_256(0, 1); STORE_256(0, 2); STORE_256(0, 3);
STORE_256(0, 4); STORE_256(0, 5); STORE_256(0, 6); STORE_256(0, 7);
STORE_256(1, 0); STORE_256(1, 1); STORE_256(1, 2); STORE_256(1, 3);
STORE_256(1, 4); STORE_256(1, 5); STORE_256(1, 6); STORE_256(1, 7);
// last 16 rows
boffset += 16;
LOAD_A_8VEC(aoffset10);
REORDER_8x16(t00, t01, t02, t03, t04, t05, t06, t07);
LOAD_A_8VEC(aoffset11);
REORDER_8x16(t10, t11, t12, t13, t14, t15, t16, t17);
STORE_256(0, 0); STORE_256(0, 1); STORE_256(0, 2); STORE_256(0, 3);
STORE_256(0, 4); STORE_256(0, 5); STORE_256(0, 6); STORE_256(0, 7);
STORE_256(1, 0); STORE_256(1, 1); STORE_256(1, 2); STORE_256(1, 3);
STORE_256(1, 4); STORE_256(1, 5); STORE_256(1, 6); STORE_256(1, 7);
aoffset00 += 32 * lda;
aoffset01 += 32 * lda;
aoffset10 += 32 * lda;
aoffset11 += 32 * lda;
boffset += 31 * 16;
}
if (m_count > 1) {
int m_load = m_count & ~1;
m_count -= m_load;
__mmask16 mmask;
SWITCH_LOAD_A_8VEC(aoffset00, m_load > 8 ? 8: m_load);
REORDER_8x16(t00, t01, t02, t03, t04, t05, t06, t07);
if (m_load > 8) {
SWITCH_LOAD_A_8VEC(aoffset01, m_load > 16 ? 8: m_load - 8);
REORDER_8x16(t10, t11, t12, t13, t14, t15, t16, t17);
}
int this_load = m_load > 16 ? 16 : m_load;
mmask = (1UL << this_load) - 1;
MASK_STORE_256(0, 0); MASK_STORE_256(0, 1); MASK_STORE_256(0, 2); MASK_STORE_256(0, 3);
MASK_STORE_256(0, 4); MASK_STORE_256(0, 5); MASK_STORE_256(0, 6); MASK_STORE_256(0, 7);
MASK_STORE_256(1, 0); MASK_STORE_256(1, 1); MASK_STORE_256(1, 2); MASK_STORE_256(1, 3);
MASK_STORE_256(1, 4); MASK_STORE_256(1, 5); MASK_STORE_256(1, 6); MASK_STORE_256(1, 7);
boffset0 = boffset;
if (m_load > 16) {
boffset += this_load;
SWITCH_LOAD_A_8VEC(aoffset10, m_load > 24 ? 8: m_load - 16);
REORDER_8x16(t00, t01, t02, t03, t04, t05, t06, t07);
if (m_load > 24) {
SWITCH_LOAD_A_8VEC(aoffset11, m_load - 24);
REORDER_8x16(t10, t11, t12, t13, t14, t15, t16, t17);
}
this_load = m_load - 16;
mmask = (1UL << this_load) - 1;
MASK_STORE_256(0, 0); MASK_STORE_256(0, 1); MASK_STORE_256(0, 2); MASK_STORE_256(0, 3);
MASK_STORE_256(0, 4); MASK_STORE_256(0, 5); MASK_STORE_256(0, 6); MASK_STORE_256(0, 7);
MASK_STORE_256(1, 0); MASK_STORE_256(1, 1); MASK_STORE_256(1, 2); MASK_STORE_256(1, 3);
MASK_STORE_256(1, 4); MASK_STORE_256(1, 5); MASK_STORE_256(1, 6); MASK_STORE_256(1, 7);
}
boffset = boffset0 + 16 * m_load;
aoffset00 += m_load * lda;
}
if (m_count > 0) {
// just copy lask K to B directly
r0 = _mm256_loadu_si256((__m256i *)(aoffset00));
_mm256_storeu_si256((__m256i *)(boffset), r0);
boffset += 16;
}
}
if (n_count > 0) {
__mmask16 nmask = (1UL << n_count) - 1;
aoffset00 = aoffset;
aoffset01 = aoffset00 + 8 * lda;
aoffset10 = aoffset01 + 8 * lda;
aoffset11 = aoffset10 + 8 * lda;
m_count = m;
for (; m_count > 31; m_count -= 32) {
// first 16 rows
MASK_LOAD_A_8VEC(aoffset00);
REORDER_8x16(t00, t01, t02, t03, t04, t05, t06, t07);
MASK_LOAD_A_8VEC(aoffset01);
REORDER_8x16(t10, t11, t12, t13, t14, t15, t16, t17);
SWITCH_STORE_16x(n_count, STORE_256);
// last 16 rows
boffset0 = boffset;
boffset += 16;
MASK_LOAD_A_8VEC(aoffset10);
REORDER_8x16(t00, t01, t02, t03, t04, t05, t06, t07);
MASK_LOAD_A_8VEC(aoffset11);
REORDER_8x16(t10, t11, t12, t13, t14, t15, t16, t17);
SWITCH_STORE_16x(n_count, STORE_256);
aoffset00 += 32 * lda;
aoffset01 += 32 * lda;
aoffset10 += 32 * lda;
aoffset11 += 32 * lda;
boffset = 32 * n_count + boffset0;
}
if (m_count > 1) {
int m_load = m_count & ~1;
m_count -= m_load;
__mmask16 mmask;
SWITCH_MASK_LOAD_A_8VEC(aoffset00, m_load > 8 ? 8: m_load);
REORDER_8x16(t00, t01, t02, t03, t04, t05, t06, t07);
if (m_load > 8) {
SWITCH_MASK_LOAD_A_8VEC(aoffset01, m_load > 16 ? 8: m_load - 8);
REORDER_8x16(t10, t11, t12, t13, t14, t15, t16, t17);
}
int this_load = m_load > 16 ? 16 : m_load;
mmask = (1UL << this_load) - 1;
SWITCH_STORE_16x(n_count, MASK_STORE_256);
boffset0 = boffset;
if (m_load > 16) {
boffset += this_load;
SWITCH_MASK_LOAD_A_8VEC(aoffset10, m_load > 24 ? 8: m_load - 16);
REORDER_8x16(t00, t01, t02, t03, t04, t05, t06, t07);
if (m_load > 24) {
SWITCH_MASK_LOAD_A_8VEC(aoffset11, m_load - 24);
REORDER_8x16(t10, t11, t12, t13, t14, t15, t16, t17);
}
this_load = m_load - 16;
mmask = (1UL << this_load) - 1;
SWITCH_STORE_16x(n_count, MASK_STORE_256);
}
boffset = boffset0 + n_count * m_load;
aoffset00 += m_load * lda;
}
if (m_count > 0) {
// just copy lask K to B directly
r0 = _mm256_maskz_loadu_epi16(nmask, (__m256i *)(aoffset00));
_mm256_mask_storeu_epi16((__m256i *)(boffset), nmask, r0);
boffset += 16;
}
}
return 0;
}