sbgemm: cooperlake: change kernel size to 16x4
This commit is contained in:
Wangyang Guo
@@ -0,0 +1,207 @@
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/***************************************************************************
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Copyright (c) 2021, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#include <stdio.h>
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#include <immintrin.h>
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#include "common.h"
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#define REORDER_4x32(r0, r1, r2, r3) {\
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__m512i t0, t1, t2, t3; \
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t0 = _mm512_unpacklo_epi32(r0, r1); \
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t1 = _mm512_unpackhi_epi32(r0, r1); \
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t2 = _mm512_unpacklo_epi32(r2, r3); \
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t3 = _mm512_unpackhi_epi32(r2, r3); \
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r0 = _mm512_unpacklo_epi64(t0, t2); \
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r1 = _mm512_unpackhi_epi64(t0, t2); \
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r2 = _mm512_unpacklo_epi64(t1, t3); \
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r3 = _mm512_unpackhi_epi64(t1, t3); \
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t0 = _mm512_permutex2var_epi32(r0, idx_lo_128, r1); \
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t1 = _mm512_permutex2var_epi32(r0, idx_hi_128, r1); \
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t2 = _mm512_permutex2var_epi32(r2, idx_lo_128, r3); \
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t3 = _mm512_permutex2var_epi32(r2, idx_hi_128, r3); \
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r0 = _mm512_permutex2var_epi32(t0, idx_lo_256, t2); \
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r1 = _mm512_permutex2var_epi32(t1, idx_lo_256, t3); \
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r2 = _mm512_permutex2var_epi32(t0, idx_hi_256, t2); \
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r3 = _mm512_permutex2var_epi32(t1, idx_hi_256, t3); \
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}
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#define REORDER_4x8(r0, r1, r2, r3) {\
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__m128i t0, t1, t2, t3; \
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t0 = _mm_unpacklo_epi32(r0, r1); \
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t1 = _mm_unpackhi_epi32(r0, r1); \
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t2 = _mm_unpacklo_epi32(r2, r3); \
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t3 = _mm_unpackhi_epi32(r2, r3); \
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r0 = _mm_unpacklo_epi64(t0, t2); \
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r1 = _mm_unpackhi_epi64(t0, t2); \
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r2 = _mm_unpacklo_epi64(t1, t3); \
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r3 = _mm_unpackhi_epi64(t1, t3); \
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}
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#define GET_TAIL(tail, remain_m) \
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switch((remain_m + 1)/2) { \
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case 1: tail = r0; break; \
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case 2: tail = r1; break; \
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case 3: tail = r2; break; \
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case 4: tail = r3; break; \
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}
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int CNAME(BLASLONG m, BLASLONG n, IFLOAT *a, BLASLONG lda, IFLOAT *b){
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BLASLONG i, j;
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IFLOAT *aoffset;
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IFLOAT *aoffset0, *aoffset1, *aoffset2, *aoffset3;
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IFLOAT *boffset;
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aoffset = a;
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boffset = b;
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BLASLONG m32 = n & ~31;
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BLASLONG m8 = n & ~7;
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BLASLONG n4 = n & ~3;
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int permute_table[] = {
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0x0, 0x1, 0x2, 0x3, 0x10, 0x11, 0x12, 0x13, 0x8, 0x9, 0xa, 0xb, 0x18, 0x19, 0x1a, 0x1b,
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0x4, 0x5, 0x6, 0x7, 0x14, 0x15, 0x16, 0x17, 0xc, 0xd, 0xe, 0xf, 0x1c, 0x1d, 0x1e, 0x1f,
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0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
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0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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};
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__m512i idx_lo_128 = _mm512_loadu_si512(permute_table);
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__m512i idx_hi_128 = _mm512_loadu_si512(permute_table + 16);
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__m512i idx_lo_256 = _mm512_loadu_si512(permute_table + 32);
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__m512i idx_hi_256 = _mm512_loadu_si512(permute_table + 48);
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for (j = 0; j < n4; j += 4) {
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aoffset0 = aoffset;
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aoffset1 = aoffset0 + lda;
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aoffset2 = aoffset1 + lda;
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aoffset3 = aoffset2 + lda;
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aoffset += 4 * lda;
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for (i = 0; i < m32; i += 32) {
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__m512i r0, r1, r2, r3;
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r0 = _mm512_loadu_si512(aoffset0 + i);
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r1 = _mm512_loadu_si512(aoffset1 + i);
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r2 = _mm512_loadu_si512(aoffset2 + i);
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r3 = _mm512_loadu_si512(aoffset3 + i);
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REORDER_4x32(r0, r1, r2, r3);
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_mm512_storeu_si512(boffset + 32*0, r0);
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_mm512_storeu_si512(boffset + 32*1, r1);
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_mm512_storeu_si512(boffset + 32*2, r2);
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_mm512_storeu_si512(boffset + 32*3, r3);
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boffset += 32 * 4;
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}
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for (; i < m8; i += 8) {
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__m128i r0 = _mm_loadu_si128(aoffset0 + i);
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__m128i r1 = _mm_loadu_si128(aoffset1 + i);
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__m128i r2 = _mm_loadu_si128(aoffset2 + i);
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__m128i r3 = _mm_loadu_si128(aoffset3 + i);
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REORDER_4x8(r0, r1, r2, r3);
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_mm_storeu_si128(boffset + 8*0, r0);
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_mm_storeu_si128(boffset + 8*1, r1);
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_mm_storeu_si128(boffset + 8*2, r2);
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_mm_storeu_si128(boffset + 8*3, r3);
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boffset += 8 * 4;
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}
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if (i < m) {
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int remain_m = m - i;
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__mmask8 r_mask = (1UL << remain_m) - 1;
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__m128i r0 = _mm_maskz_loadu_epi16(r_mask, aoffset0 + i);
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__m128i r1 = _mm_maskz_loadu_epi16(r_mask, aoffset1 + i);
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__m128i r2 = _mm_maskz_loadu_epi16(r_mask, aoffset2 + i);
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__m128i r3 = _mm_maskz_loadu_epi16(r_mask, aoffset3 + i);
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REORDER_4x8(r0, r1, r2, r3);
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// store should skip the tail odd line
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int num_store = remain_m/2;
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switch(num_store) {
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case 3: _mm_storeu_si128(boffset + 8*2, r0);
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case 2: _mm_storeu_si128(boffset + 8*1, r0);
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case 1: _mm_storeu_si128(boffset + 8*0, r0);
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}
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boffset += 8 * num_store;
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if (m & 0x1) { // handling the tail
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__m128i tail;
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GET_TAIL(tail, remain_m);
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/* tail vector is fill with zero like:
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* a, 0, b, 0, c, 0, d, 0
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* need to extract lo words of data and store
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*/
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tail = _mm_cvtepi32_epi16(tail);
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_mm_store_sd(boffset, (__m128d) tail); // only lower 4 bfloat valid
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boffset += 4;
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}
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}
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}
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if (j < n) {
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int remain_n = n - j;
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__mmask8 nmask = (1UL << remain_n) - 1;
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aoffset0 = aoffset;
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aoffset1 = aoffset0 + lda;
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aoffset2 = aoffset1 + lda;
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aoffset3 = aoffset2 + lda;
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__m128i r0, r1, r2, r3;
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for (i = 0; i < m8; i += 8) {
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switch (remain_n) {
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case 3: r2 = _mm_loadu_si128(aoffset2 + i);
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case 2: r1 = _mm_loadu_si128(aoffset1 + i);
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case 1: r0 = _mm_loadu_si128(aoffset0 + i);
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}
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REORDER_4x8(r0, r1, r2, r3);
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_mm_mask_storeu_epi16(boffset + remain_n * 0, nmask, r0);
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_mm_mask_storeu_epi16(boffset + remain_n * 1, nmask, r1);
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_mm_mask_storeu_epi16(boffset + remain_n * 2, nmask, r2);
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_mm_mask_storeu_epi16(boffset + remain_n * 3, nmask, r3);
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boffset += 4 * remain_n;
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}
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if (i < m) {
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int remain_m = m - i;
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__mmask8 mmask = (1UL << remain_m) - 1;
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switch (remain_n) {
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case 3: r2 = _mm_maskz_loadu_epi16(mmask, aoffset2 + i);
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case 2: r1 = _mm_maskz_loadu_epi16(mmask, aoffset1 + i);
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case 1: r0 = _mm_maskz_loadu_epi16(mmask, aoffset0 + i);
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}
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REORDER_4x8(r0, r1, r2, r3);
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int num_store = remain_m/2;
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switch (num_store) {
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case 3: _mm_mask_storeu_epi16(boffset + remain_n * 2, nmask, r2);
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case 2: _mm_mask_storeu_epi16(boffset + remain_n * 1, nmask, r1);
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case 1: _mm_mask_storeu_epi16(boffset + remain_n * 0, nmask, r0);
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}
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boffset += 2 * num_store * remain_n;
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if (m & 0x1) {
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__m128i tail;
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GET_TAIL(tail, remain_m);
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tail = _mm_cvtepi32_epi16(tail);
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_mm_mask_storeu_epi16(boffset, nmask, tail);
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}
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}
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}
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}
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