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Merge pull request #3364 from guowangy/bf16-cooperlake 

Add SBGEMM kernel for Cooperlake
This commit is contained in:
Martin Kroeker 2021-09-07 13:57:40 +02:00 committed by GitHub
parent 7c72c45be6 045ed5c91d
commit da5bd8b5e3
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 1476 additions and 3 deletions
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5
driver/others/parameter.c
View File

@ -524,6 +524,9 @@ void blas_set_parameter(void){
xgemm_p = ((xgemm_p + XGEMM_UNROLL_M - 1)/XGEMM_UNROLL_M) * XGEMM_UNROLL_M;
#endif
#ifdef BUILD_BFLOAT16
sbgemm_r = (((BUFFER_SIZE - ((SBGEMM_P * SBGEMM_Q * 4 + GEMM_OFFSET_A + GEMM_ALIGN) & ~GEMM_ALIGN)) / (SBGEMM_Q * 4)) - 15) & ~15;
#endif
sgemm_r = (((BUFFER_SIZE - ((SGEMM_P * SGEMM_Q * 4 + GEMM_OFFSET_A + GEMM_ALIGN) & ~GEMM_ALIGN)) / (SGEMM_Q * 4)) - 15) & ~15;
dgemm_r = (((BUFFER_SIZE - ((DGEMM_P * DGEMM_Q * 8 + GEMM_OFFSET_A + GEMM_ALIGN) & ~GEMM_ALIGN)) / (DGEMM_Q * 8)) - 15) & ~15;
cgemm_r = (((BUFFER_SIZE - ((CGEMM_P * CGEMM_Q * 8 + GEMM_OFFSET_A + GEMM_ALIGN) & ~GEMM_ALIGN)) / (CGEMM_Q * 8)) - 15) & ~15;
@ -629,7 +632,9 @@ void blas_set_parameter(void){
xgemm_p = 16 * (size + 1);
#endif
#ifdef BUILD_BFLOAT16
sbgemm_r = (((BUFFER_SIZE - ((SBGEMM_P * SBGEMM_Q * 4 + GEMM_OFFSET_A + GEMM_ALIGN) & ~GEMM_ALIGN)) / (SBGEMM_Q * 4)) - 15) & ~15;
#endif
sgemm_r = (((BUFFER_SIZE - ((SGEMM_P * SGEMM_Q * 4 + GEMM_OFFSET_A + GEMM_ALIGN) & ~GEMM_ALIGN)) / (SGEMM_Q * 4)) - 15) & ~15;
dgemm_r = (((BUFFER_SIZE - ((DGEMM_P * DGEMM_Q * 8 + GEMM_OFFSET_A + GEMM_ALIGN) & ~GEMM_ALIGN)) / (DGEMM_Q * 8)) - 15) & ~15;
cgemm_r = (((BUFFER_SIZE - ((CGEMM_P * CGEMM_Q * 8 + GEMM_OFFSET_A + GEMM_ALIGN) & ~GEMM_ALIGN)) / (CGEMM_Q * 8)) - 15) & ~15;

2
interface/gemm.c
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@ -326,7 +326,7 @@ void CNAME(enum CBLAS_ORDER order, enum CBLAS_TRANSPOSE TransA, enum CBLAS_TRANS
PRINT_DEBUG_CNAME;
#if !defined(COMPLEX) && !defined(DOUBLE) && defined(USE_SGEMM_KERNEL_DIRECT)
#if !defined(COMPLEX) && !defined(DOUBLE) && !defined(BFLOAT16) && defined(USE_SGEMM_KERNEL_DIRECT)
#ifdef DYNAMIC_ARCH
if (support_avx512() )
#endif

11
kernel/x86_64/KERNEL.COOPERLAKE
View File

@ -9,3 +9,14 @@ SBGEMM_SMALL_K_TN = sbgemm_small_kernel_tn_cooperlake.c
SBGEMM_SMALL_K_B0_TN = sbgemm_small_kernel_tn_cooperlake.c
SBGEMM_SMALL_K_TT = sbgemm_small_kernel_tt_cooperlake.c
SBGEMM_SMALL_K_B0_TT = sbgemm_small_kernel_tt_cooperlake.c
SBGEMM_BETA = sgemm_beta_skylakex.c
SBGEMMKERNEL = sbgemm_kernel_16x4_cooperlake.c
SBGEMMINCOPY = sbgemm_ncopy_16_cooperlake.c
SBGEMMITCOPY = sbgemm_tcopy_16_cooperlake.c
SBGEMMONCOPY = sbgemm_ncopy_4_cooperlake.c
SBGEMMOTCOPY = sbgemm_tcopy_4_cooperlake.c
SBGEMMINCOPYOBJ = sbgemm_incopy$(TSUFFIX).$(SUFFIX)
SBGEMMITCOPYOBJ = sbgemm_itcopy$(TSUFFIX).$(SUFFIX)
SBGEMMONCOPYOBJ = sbgemm_oncopy$(TSUFFIX).$(SUFFIX)
SBGEMMOTCOPYOBJ = sbgemm_otcopy$(TSUFFIX).$(SUFFIX)

499
kernel/x86_64/sbgemm_kernel_16x4_cooperlake.c Normal file
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@ -0,0 +1,499 @@
/***************************************************************************
Copyright (c) 2021, The OpenBLAS Project
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. Neither the name of the OpenBLAS project nor the names of
its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#include <immintrin.h>
#include "common.h"
#define VMOVLDUP(addr, zmm) asm("vmovsldup (%1), %0": "=v"(zmm): "r"(addr))
#define VMOVHDUP(addr, zmm) asm("vmovshdup (%1), %0": "=v"(zmm): "r"(addr))
#define BROADCAST64(base, step, n, offset, zmm) \
if (n == 0) asm("vbroadcastsd %c2(%1), %0": "=v"(zmm): "r"(base), "n"(offset*2)); \
else asm("vbroadcastsd %c4(%1, %2, %c3), %0": "=v"(zmm): "r"(base), "r"(step), "n"(n*2), "n"(offset*2))
#define DECLARE_A_PAIR(A) \
__m512i A_lo_##A; __m512i A_hi_##A;
#define LOAD_A_PAIR(A) \
VMOVLDUP(ptr_a##A, A_lo_##A); \
VMOVHDUP(ptr_a##A, A_hi_##A);
#define MASK_LOAD_A_PAIR(A) { \
__m512 tmp = _mm512_maskz_loadu_ps(mmask, ptr_a##A); \
A_lo_##A = (__m512i) _mm512_moveldup_ps(tmp); \
A_hi_##A = (__m512i) _mm512_movehdup_ps(tmp); \
}
#define LOAD_A_PAIR_TAIL(A) { \
__m256i ymm = _mm256_loadu_si256((void *)ptr_a##A); \
__m512 zmm = (__m512) _mm512_cvtepu16_epi32(ymm); \
A_lo_##A = (__m512i) _mm512_moveldup_ps(zmm); \
A_hi_##A = (__m512i) _mm512_movehdup_ps(zmm); \
}
#define MASK_LOAD_A_PAIR_TAIL(A) { \
__m256i ymm = _mm256_maskz_loadu_epi16(mmask, ptr_a##A); \
__m512 zmm = (__m512) _mm512_cvtepu16_epi32(ymm); \
A_lo_##A = (__m512i) _mm512_moveldup_ps(zmm); \
A_hi_##A = (__m512i) _mm512_movehdup_ps(zmm); \
}
#define DECLARE_B_PAIR() \
__m512i B_lo; __m512i B_hi;
#define PREFETCH_B_STEP 32
#define PREFETCH_B(Bx, By) \
if (By == 0) asm("prefetcht0 %c1(%0)": : "r"(ptr_b##Bx), "n"(PREFETCH_B_STEP * 2)); \
else asm("prefetcht0 %c3(%0, %1, %c2)": : "r"(ptr_b##Bx), "r"(n_blksize), "n"(By*2), "n"(PREFETCH_B_STEP * 2))
#define BROADCAST_B_PAIR(Bx, By) \
BROADCAST64(ptr_b##Bx, n_blksize, By, 0, B_lo); \
BROADCAST64(ptr_b##Bx, n_blksize, By, 4, B_hi);
#define MASK_BROADCAST_B_PAIR(Bx, x) {\
__m128 xmm = _mm_maskz_loadu_ps(nmask, ptr_b##Bx); \
B_lo = (__m512i) _mm512_broadcastsd_pd((__m128d) xmm); \
B_hi = (__m512i) _mm512_broadcastsd_pd(_mm_permute_pd((__m128d) xmm, 0x1)); \
}
#define BROADCAST_B_PAIR_TAIL(Bx, By) {\
__m128i xmm = (__m128i) _mm_load_sd((double *)(ptr_b##Bx + n_blksize * By)); \
xmm = _mm_cvtepu16_epi32(xmm); \
B_lo = _mm512_broadcast_i32x2(xmm); \
B_hi = _mm512_broadcast_i32x2((__m128i) _mm_permute_pd((__m128d) xmm, 0x1)); \
}
#define MASK_BROADCAST_B_PAIR_TAIL(Bx, By) {\
__m128i xmm = _mm_maskz_loadu_epi16(nmask, ptr_b##Bx + n_blksize * By); \
xmm = _mm_cvtepu16_epi32(xmm); \
B_lo = _mm512_broadcast_i32x2(xmm); \
B_hi = _mm512_broadcast_i32x2((__m128i) _mm_permute_pd((__m128d) xmm, 0x1)); \
}
#define DECLARE_RESULT_4X(A, Bx, By) \
__m512 result_00_##A##Bx##By = _mm512_setzero_ps(); \
__m512 result_01_##A##Bx##By = _mm512_setzero_ps(); \
__m512 result_10_##A##Bx##By = _mm512_setzero_ps(); \
__m512 result_11_##A##Bx##By = _mm512_setzero_ps();
#define FMA(a, b, r) r = _mm512_dpbf16_ps(r, (__m512bh)a, (__m512bh)b)
#define MATMUL_4X(A, Bx, By) \
FMA(A_lo_##A, B_lo, result_00_##A##Bx##By); \
FMA(A_hi_##A, B_lo, result_01_##A##Bx##By); \
FMA(A_lo_##A, B_hi, result_10_##A##Bx##By); \
FMA(A_hi_##A, B_hi, result_11_##A##Bx##By);
#define _STORE_C_2nx16(addr, val0, val1) \
asm("vfmadd213ps (%1), %2, %0": "+v"(val0) : "r"(addr), "v"(alpha_512)); \
asm("vfmadd213ps (%1, %3, 4), %2, %0": "+v"(val1) : "r"(addr), "v"(alpha_512), "r"(ldc)); \
asm("vmovups %0, (%1)": : "v"(val0), "r"(addr)); \
asm("vmovups %0, (%1, %2, 4)": : "v"(val1), "r"(addr), "r"(ldc))
#define _MASK_STORE_C_2nx16(addr, val0, val1) \
asm("vfmadd213ps (%1), %2, %0 %{%3%} ": "+v"(val0) : "r"(addr), "v"(alpha_512), "k"(mmask)); \
asm("vfmadd213ps (%1, %3, 4), %2, %0 %{%4%}": "+v"(val1) : "r"(addr), "v"(alpha_512), "r"(ldc), "k"(mmask)); \
asm("vmovups %0, (%1) %{%2%}": : "v"(val0), "r"(addr), "k"(mmask)); \
asm("vmovups %0, (%1, %2, 4) %{%3%}": : "v"(val1), "r"(addr), "r"(ldc), "k"(mmask))
#define _REORDER_C_2X(result_0, result_1) { \
__m512 tmp0, tmp1; \
tmp0 = _mm512_unpacklo_ps(result_0, result_1); \
tmp1 = _mm512_unpackhi_ps(result_0, result_1); \
result_0 = (__m512) _mm512_unpacklo_pd((__m512d) tmp0, (__m512d) tmp1); \
result_1 = (__m512) _mm512_unpackhi_pd((__m512d) tmp0, (__m512d) tmp1); \
}
#define _STORE_2X(ptr_c, result_0, result_1) {\
_REORDER_C_2X(result_0, result_1) \
_STORE_C_2nx16(ptr_c, result_0, result_1); \
ptr_c += ldc * 2; \
}
#define _MASK_STORE_2X(ptr_c, result_0, result_1) {\
_REORDER_C_2X(result_0, result_1) \
_MASK_STORE_C_2nx16(ptr_c, result_0, result_1); \
ptr_c += ldc * 2; \
}
#define STORE_4X(A, Bx, By) { \
_STORE_2X(ptr_c##A, result_00_##A##Bx##By, result_01_##A##Bx##By); \
_STORE_2X(ptr_c##A, result_10_##A##Bx##By, result_11_##A##Bx##By); \
}
#define MASK_STORE_4X(A, Bx, By) { \
_MASK_STORE_2X(ptr_c##A, result_00_##A##Bx##By, result_01_##A##Bx##By); \
_MASK_STORE_2X(ptr_c##A, result_10_##A##Bx##By, result_11_##A##Bx##By); \
}
#define _STORE_C_16(addr, val0) \
asm("vfmadd213ps (%1), %2, %0": "+v"(val0) : "r"(addr), "v"(alpha_512)); \
asm("vmovups %0, (%1)": : "v"(val0), "r"(addr));
#define _MASK_STORE_C_16(addr, val0) \
asm("vfmadd213ps (%1), %2, %0 %{%3%} ": "+v"(val0) : "r"(addr), "v"(alpha_512), "k"(mmask)); \
asm("vmovups %0, (%1) %{%2%}": : "v"(val0), "r"(addr), "k"(mmask));
#define N_STORE_4X(A, Bx, By) { \
_REORDER_C_2X(result_00_##A##Bx##By, result_01_##A##Bx##By); \
_REORDER_C_2X(result_10_##A##Bx##By, result_11_##A##Bx##By); \
switch(n_count) { \
case 3: _STORE_C_16(ptr_c + ldc * 2, result_10_##A##Bx##By); \
case 2: _STORE_C_16(ptr_c + ldc * 1, result_01_##A##Bx##By); \
case 1: _STORE_C_16(ptr_c + ldc * 0, result_00_##A##Bx##By); \
} \
ptr_c##A += ldc * n_count; \
}
#define N_MASK_STORE_4X(A, Bx, By) { \
_REORDER_C_2X(result_00_##A##Bx##By, result_01_##A##Bx##By); \
_REORDER_C_2X(result_10_##A##Bx##By, result_11_##A##Bx##By); \
switch(n_count) { \
case 3: _MASK_STORE_C_16(ptr_c + ldc * 2, result_10_##A##Bx##By); \
case 2: _MASK_STORE_C_16(ptr_c + ldc * 1, result_01_##A##Bx##By); \
case 1: _MASK_STORE_C_16(ptr_c + ldc * 0, result_00_##A##Bx##By); \
} \
ptr_c##A += ldc * n_count; \
}
int CNAME (BLASLONG m, BLASLONG n, BLASLONG k, FLOAT alpha, IFLOAT * A, IFLOAT * B, FLOAT * C, BLASLONG ldc)
{
IFLOAT *ptr_a = A, *ptr_b = B;
IFLOAT *ptr_b0, *ptr_b1;
IFLOAT *ptr_a0, *ptr_a1;
FLOAT *ptr_c = C;
FLOAT *ptr_c0, *ptr_c1;
BLASLONG n_count = n;
BLASLONG m_count, k_count;
BLASLONG n_blksize = 4 * k;
BLASLONG cn_offset = 0;
__m512 alpha_512 = _mm512_broadcastss_ps(_mm_load_ss(&alpha));
for (; n_count > 23; n_count -= 24) {
IFLOAT *ptr_b00 = ptr_b;
IFLOAT *ptr_b10 = ptr_b + n_blksize * 3;
ptr_a0 = ptr_a;
ptr_c = C + cn_offset * ldc;
m_count = m;
for (; m_count > 15; m_count -= 16) {
ptr_b0 = ptr_b00;
ptr_b1 = ptr_b10;
DECLARE_A_PAIR(0);
DECLARE_B_PAIR();
DECLARE_RESULT_4X(0, 0, 0); DECLARE_RESULT_4X(0, 0, 1); DECLARE_RESULT_4X(0, 0, 2);
DECLARE_RESULT_4X(0, 1, 0); DECLARE_RESULT_4X(0, 1, 1); DECLARE_RESULT_4X(0, 1, 2);
k_count = k;
for (; k_count > 3; k_count -=4) {
LOAD_A_PAIR(0);
_mm_prefetch(ptr_a0 + 128, _MM_HINT_T0);
ptr_a0 += 16 * 2;
BROADCAST_B_PAIR(0, 0); PREFETCH_B(0, 0); MATMUL_4X(0, 0, 0);
BROADCAST_B_PAIR(0, 1); PREFETCH_B(0, 1); MATMUL_4X(0, 0, 1);
BROADCAST_B_PAIR(0, 2); PREFETCH_B(0, 2); MATMUL_4X(0, 0, 2);
ptr_b0 += 4 * 2;
BROADCAST_B_PAIR(1, 0); PREFETCH_B(1, 0); MATMUL_4X(0, 1, 0);
BROADCAST_B_PAIR(1, 1); PREFETCH_B(1, 1); MATMUL_4X(0, 1, 1);
BROADCAST_B_PAIR(1, 2); PREFETCH_B(1, 2); MATMUL_4X(0, 1, 2);
ptr_b1 += 4 * 2;
LOAD_A_PAIR(0);
_mm_prefetch(ptr_a0 + 128, _MM_HINT_T0);
ptr_a0 += 16 * 2;
BROADCAST_B_PAIR(0, 0); MATMUL_4X(0, 0, 0);
BROADCAST_B_PAIR(0, 1); MATMUL_4X(0, 0, 1);
BROADCAST_B_PAIR(0, 2); MATMUL_4X(0, 0, 2);
ptr_b0 += 4 * 2;
BROADCAST_B_PAIR(1, 0); MATMUL_4X(0, 1, 0);
BROADCAST_B_PAIR(1, 1); MATMUL_4X(0, 1, 1);
BROADCAST_B_PAIR(1, 2); MATMUL_4X(0, 1, 2);
ptr_b1 += 4 * 2;
}
for (; k_count > 1; k_count -=2) {
LOAD_A_PAIR(0);
ptr_a0 += 16 * 2;
BROADCAST_B_PAIR(0, 0); MATMUL_4X(0, 0, 0);
BROADCAST_B_PAIR(0, 1); MATMUL_4X(0, 0, 1);
BROADCAST_B_PAIR(0, 2); MATMUL_4X(0, 0, 2);
ptr_b0 += 4 * 2;
BROADCAST_B_PAIR(1, 0); MATMUL_4X(0, 1, 0);
BROADCAST_B_PAIR(1, 1); MATMUL_4X(0, 1, 1);
BROADCAST_B_PAIR(1, 2); MATMUL_4X(0, 1, 2);
ptr_b1 += 4 * 2;
}
if (k_count > 0) {
LOAD_A_PAIR_TAIL(0);
ptr_a0 += 16;
BROADCAST_B_PAIR_TAIL(0, 0); MATMUL_4X(0, 0, 0);
BROADCAST_B_PAIR_TAIL(0, 1); MATMUL_4X(0, 0, 1);
BROADCAST_B_PAIR_TAIL(0, 2); MATMUL_4X(0, 0, 2);
ptr_b0 += 4;
BROADCAST_B_PAIR_TAIL(1, 0); MATMUL_4X(0, 1, 0);
BROADCAST_B_PAIR_TAIL(1, 1); MATMUL_4X(0, 1, 1);
BROADCAST_B_PAIR_TAIL(1, 2); MATMUL_4X(0, 1, 2);
ptr_b1 += 4;
}
ptr_c0 = ptr_c;
STORE_4X(0, 0, 0); STORE_4X(0, 0, 1); STORE_4X(0, 0, 2);
STORE_4X(0, 1, 0); STORE_4X(0, 1, 1); STORE_4X(0, 1, 2);
ptr_c += 16;
}
if (m_count > 0) {
__mmask16 mmask = (1UL << m_count) - 1;
ptr_b0 = ptr_b00;
ptr_b1 = ptr_b10;
DECLARE_A_PAIR(0);
DECLARE_B_PAIR();
DECLARE_RESULT_4X(0, 0, 0); DECLARE_RESULT_4X(0, 0, 1); DECLARE_RESULT_4X(0, 0, 2);
DECLARE_RESULT_4X(0, 1, 0); DECLARE_RESULT_4X(0, 1, 1); DECLARE_RESULT_4X(0, 1, 2);
for (k_count = k; k_count > 1; k_count -=2) {
MASK_LOAD_A_PAIR(0);
ptr_a0 += m_count * 2;
BROADCAST_B_PAIR(0, 0); MATMUL_4X(0, 0, 0);
BROADCAST_B_PAIR(0, 1); MATMUL_4X(0, 0, 1);
BROADCAST_B_PAIR(0, 2); MATMUL_4X(0, 0, 2);
ptr_b0 += 4 * 2;
BROADCAST_B_PAIR(1, 0); MATMUL_4X(0, 1, 0);
BROADCAST_B_PAIR(1, 1); MATMUL_4X(0, 1, 1);
BROADCAST_B_PAIR(1, 2); MATMUL_4X(0, 1, 2);
ptr_b1 += 4 * 2;
}
if (k_count > 0) {
MASK_LOAD_A_PAIR_TAIL(0);
ptr_a0 += m_count;
BROADCAST_B_PAIR_TAIL(0, 0); MATMUL_4X(0, 0, 0);
BROADCAST_B_PAIR_TAIL(0, 1); MATMUL_4X(0, 0, 1);
BROADCAST_B_PAIR_TAIL(0, 2); MATMUL_4X(0, 0, 2);
ptr_b0 += 4;
BROADCAST_B_PAIR_TAIL(1, 0); MATMUL_4X(0, 1, 0);
BROADCAST_B_PAIR_TAIL(1, 1); MATMUL_4X(0, 1, 1);
BROADCAST_B_PAIR_TAIL(1, 2); MATMUL_4X(0, 1, 2);
ptr_b1 += 4;
}
ptr_c0 = ptr_c;
MASK_STORE_4X(0, 0, 0); MASK_STORE_4X(0, 0, 1); MASK_STORE_4X(0, 0, 2);
MASK_STORE_4X(0, 1, 0); MASK_STORE_4X(0, 1, 1); MASK_STORE_4X(0, 1, 2);
ptr_c += m_count;
}
ptr_b += 24 * k;
cn_offset += 24;
}
for (; n_count > 11; n_count -= 12) {
IFLOAT *ptr_b00 = ptr_b;
ptr_a0 = ptr_a;
ptr_a1 = ptr_a + 16 * k;
ptr_c = C + cn_offset * ldc;
m_count = m;
for (; m_count > 31; m_count -= 32) {
ptr_b0 = ptr_b00;
DECLARE_A_PAIR(0); DECLARE_A_PAIR(1);
DECLARE_B_PAIR();
DECLARE_RESULT_4X(0, 0, 0); DECLARE_RESULT_4X(0, 0, 1); DECLARE_RESULT_4X(0, 0, 2);
DECLARE_RESULT_4X(1, 0, 0); DECLARE_RESULT_4X(1, 0, 1); DECLARE_RESULT_4X(1, 0, 2);
for (k_count = k; k_count > 1; k_count -=2) {
LOAD_A_PAIR(0); LOAD_A_PAIR(1);
ptr_a0 += 16 * 2;
ptr_a1 += 16 * 2;
BROADCAST_B_PAIR(0, 0); MATMUL_4X(0, 0, 0); MATMUL_4X(1, 0, 0);
BROADCAST_B_PAIR(0, 1); MATMUL_4X(0, 0, 1); MATMUL_4X(1, 0, 1);
BROADCAST_B_PAIR(0, 2); MATMUL_4X(0, 0, 2); MATMUL_4X(1, 0, 2);
ptr_b0 += 4 * 2;
}
if (k_count > 0) {
LOAD_A_PAIR_TAIL(0); LOAD_A_PAIR_TAIL(1);
ptr_a0 += 16;
ptr_a1 += 16;
BROADCAST_B_PAIR_TAIL(0, 0); MATMUL_4X(0, 0, 0); MATMUL_4X(1, 0, 0);
BROADCAST_B_PAIR_TAIL(0, 1); MATMUL_4X(0, 0, 1); MATMUL_4X(1, 0, 1);
BROADCAST_B_PAIR_TAIL(0, 2); MATMUL_4X(0, 0, 2); MATMUL_4X(1, 0, 2);
ptr_b0 += 4;
}
ptr_c0 = ptr_c;
ptr_c1 = ptr_c + 16;
STORE_4X(0, 0, 0); STORE_4X(1, 0, 0);
STORE_4X(0, 0, 1); STORE_4X(1, 0, 1);
STORE_4X(0, 0, 2); STORE_4X(1, 0, 2);
ptr_c += 16 * 2;
ptr_a0 = ptr_a1;
ptr_a1 = ptr_a0 + 16 * k;
}
for (; m_count > 15; m_count -= 16) {
ptr_b0 = ptr_b00;
DECLARE_A_PAIR(0);
DECLARE_B_PAIR();
DECLARE_RESULT_4X(0, 0, 0); DECLARE_RESULT_4X(0, 0, 1); DECLARE_RESULT_4X(0, 0, 2);
for (k_count = k; k_count > 1; k_count -=2) {
LOAD_A_PAIR(0);
ptr_a0 += 16 * 2;
BROADCAST_B_PAIR(0, 0); MATMUL_4X(0, 0, 0);
BROADCAST_B_PAIR(0, 1); MATMUL_4X(0, 0, 1);
BROADCAST_B_PAIR(0, 2); MATMUL_4X(0, 0, 2);
ptr_b0 += 4 * 2;
}
if (k_count > 0) {
LOAD_A_PAIR_TAIL(0);
ptr_a0 += 16;
BROADCAST_B_PAIR_TAIL(0, 0); MATMUL_4X(0, 0, 0);
BROADCAST_B_PAIR_TAIL(0, 1); MATMUL_4X(0, 0, 1);
BROADCAST_B_PAIR_TAIL(0, 2); MATMUL_4X(0, 0, 2);
ptr_b0 += 4;
}
ptr_c0 = ptr_c;
STORE_4X(0, 0, 0); STORE_4X(0, 0, 1); STORE_4X(0, 0, 2);
ptr_c += 16;
}
if (m_count > 0) {
__mmask16 mmask = (1UL << m_count) - 1;
ptr_b0 = ptr_b00;
DECLARE_A_PAIR(0);
DECLARE_B_PAIR();
DECLARE_RESULT_4X(0, 0, 0); DECLARE_RESULT_4X(0, 0, 1); DECLARE_RESULT_4X(0, 0, 2);
for (k_count = k; k_count > 1; k_count -=2) {
MASK_LOAD_A_PAIR(0);
ptr_a0 += m_count * 2;
BROADCAST_B_PAIR(0, 0); MATMUL_4X(0, 0, 0);
BROADCAST_B_PAIR(0, 1); MATMUL_4X(0, 0, 1);
BROADCAST_B_PAIR(0, 2); MATMUL_4X(0, 0, 2);
ptr_b0 += 4 * 2;
}
if (k_count > 0) {
MASK_LOAD_A_PAIR_TAIL(0);
ptr_a0 += m_count;
BROADCAST_B_PAIR_TAIL(0, 0); MATMUL_4X(0, 0, 0);
BROADCAST_B_PAIR_TAIL(0, 1); MATMUL_4X(0, 0, 1);
BROADCAST_B_PAIR_TAIL(0, 2); MATMUL_4X(0, 0, 2);
ptr_b0 += 4;
}
ptr_c0 = ptr_c;
MASK_STORE_4X(0, 0, 0); MASK_STORE_4X(0, 0, 1); MASK_STORE_4X(0, 0, 2);
ptr_c += m_count;
}
ptr_b += 12 * k;
cn_offset += 12;
}
for (; n_count > 3; n_count -= 4) {
IFLOAT *ptr_b00 = ptr_b;
ptr_a0 = ptr_a;
ptr_c = C + cn_offset * ldc;
m_count = m;
for (; m_count > 15; m_count -= 16) {
ptr_b0 = ptr_b00;
DECLARE_A_PAIR(0);
DECLARE_B_PAIR();
DECLARE_RESULT_4X(0, 0, 0);
for (k_count = k; k_count > 1; k_count -=2) {
LOAD_A_PAIR(0);
BROADCAST_B_PAIR(0, 0); MATMUL_4X(0, 0, 0);
ptr_b0 += 4 * 2;
ptr_a0 += 16 * 2;
}
if (k_count > 0) {
LOAD_A_PAIR_TAIL(0);
BROADCAST_B_PAIR_TAIL(0, 0); MATMUL_4X(0, 0, 0);
ptr_b0 += 4;
ptr_a0 += 16;
}
ptr_c0 = ptr_c;
STORE_4X(0, 0, 0);
ptr_c += 16;
}
if (m_count > 0) {
__mmask16 mmask = (1UL << m_count) - 1;
ptr_b0 = ptr_b00;
DECLARE_A_PAIR(0);
DECLARE_B_PAIR();
DECLARE_RESULT_4X(0, 0, 0);
for (k_count = k; k_count > 1; k_count -=2) {
MASK_LOAD_A_PAIR(0);
BROADCAST_B_PAIR(0, 0); MATMUL_4X(0, 0, 0);
ptr_b0 += 4 * 2;
ptr_a0 += m_count * 2;
}
if (k_count > 0) {
MASK_LOAD_A_PAIR_TAIL(0);
BROADCAST_B_PAIR_TAIL(0, 0); MATMUL_4X(0, 0, 0);
ptr_b0 += 4;
ptr_a0 += m_count;
}
ptr_c0 = ptr_c;
MASK_STORE_4X(0, 0, 0);
ptr_c += m_count;
}
ptr_b += 4 * k;
cn_offset += 4;
}
if (n_count > 0) {
__mmask8 nmask = (1UL << n_count) - 1;
IFLOAT *ptr_b00 = ptr_b;
ptr_a0 = ptr_a;
ptr_c = C + cn_offset * ldc;
m_count = m;
for (; m_count > 15; m_count -= 16) {
ptr_b0 = ptr_b00;
DECLARE_A_PAIR(0);
DECLARE_B_PAIR();
DECLARE_RESULT_4X(0, 0, 0);
for (k_count = k; k_count > 1; k_count -=2) {
LOAD_A_PAIR(0);
MASK_BROADCAST_B_PAIR(0, 0); MATMUL_4X(0, 0, 0);
ptr_b0 += n_count * 2;
ptr_a0 += 16 * 2;
}
if (k_count > 0) {
LOAD_A_PAIR_TAIL(0);
MASK_BROADCAST_B_PAIR_TAIL(0, 0); MATMUL_4X(0, 0, 0);
ptr_b0 += n_count;
ptr_a0 += 16;
}
ptr_c0 = ptr_c;
N_STORE_4X(0, 0, 0);
ptr_c += 16;
}
if (m_count > 0) {
__mmask16 mmask = (1UL << m_count) - 1;
ptr_b0 = ptr_b00;
DECLARE_A_PAIR(0);
DECLARE_B_PAIR();
DECLARE_RESULT_4X(0, 0, 0);
for (k_count = k; k_count > 1; k_count -=2) {
MASK_LOAD_A_PAIR(0);
MASK_BROADCAST_B_PAIR(0, 0); MATMUL_4X(0, 0, 0);
ptr_b0 += n_count * 2;
ptr_a0 += m_count * 2;
}
if (k_count > 0) {
MASK_LOAD_A_PAIR_TAIL(0);
MASK_BROADCAST_B_PAIR_TAIL(0, 0); MATMUL_4X(0, 0, 0);
ptr_b0 += n_count;
ptr_a0 += m_count;
}
ptr_c0 = ptr_c;
N_MASK_STORE_4X(0, 0, 0);
ptr_c += m_count;
}
}
return 0;
}

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/***************************************************************************
Copyright (c) 2021, The OpenBLAS Project
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. Neither the name of the OpenBLAS project nor the names of
its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#include <stdio.h>
#include <immintrin.h>
#include "common.h"
#define _MM512_SHUFFLE_i32(result, in1, in2, imm8) \
asm("vshufps %3, %2, %1, %0": "=v"(result): "v"(in1), "v"(in2), "N"(imm8))
#define REORDER_8x32(t0, t1, t2, t3, t4, t5, t6, t7) { \
__m512i v; \
t0 = _mm512_unpacklo_epi32(r0, r1); \
t1 = _mm512_unpackhi_epi32(r0, r1); \
t2 = _mm512_unpacklo_epi32(r2, r3); \
t3 = _mm512_unpackhi_epi32(r2, r3); \
t4 = _mm512_unpacklo_epi32(r4, r5); \
t5 = _mm512_unpackhi_epi32(r4, r5); \
t6 = _mm512_unpacklo_epi32(r6, r7); \
t7 = _mm512_unpackhi_epi32(r6, r7); \
_MM512_SHUFFLE_i32(v, t0, t2, 0x4E); \
r0 = _mm512_mask_blend_epi32(kc, t0, v); \
r1 = _mm512_mask_blend_epi32(k3, t2, v); \
_MM512_SHUFFLE_i32(v, t1, t3, 0x4E); \
r2 = _mm512_mask_blend_epi32(kc, t1, v); \
r3 = _mm512_mask_blend_epi32(k3, t3, v); \
_MM512_SHUFFLE_i32(v, t4, t6, 0x4E); \
r4 = _mm512_mask_blend_epi32(kc, t4, v); \
r5 = _mm512_mask_blend_epi32(k3, t6, v); \
_MM512_SHUFFLE_i32(v, t5, t7, 0x4E); \
r6 = _mm512_mask_blend_epi32(kc, t5, v); \
r7 = _mm512_mask_blend_epi32(k3, t7, v); \
t0 = _mm512_permutex2var_epi32(r0, idx_lo, r4); \
t1 = _mm512_permutex2var_epi32(r1, idx_lo, r5); \
t2 = _mm512_permutex2var_epi32(r2, idx_lo, r6); \
t3 = _mm512_permutex2var_epi32(r3, idx_lo, r7); \
t4 = _mm512_permutex2var_epi32(r0, idx_hi, r4); \
t5 = _mm512_permutex2var_epi32(r1, idx_hi, r5); \
t6 = _mm512_permutex2var_epi32(r2, idx_hi, r6); \
t7 = _mm512_permutex2var_epi32(r3, idx_hi, r7); \
}
#define STORE_512_LO(x) \
v = _mm512_permutex2var_epi64(t0##x, idx_lo2, t1##x); \
_mm512_storeu_si512(boffset0 + x*32, v);
#define STORE_512_HI(x) \
v = _mm512_permutex2var_epi64(t0##x, idx_hi2, t1##x); \
_mm512_storeu_si512(boffset0 + (x + 8)*32, v);
#define MASK_STORE_512_LO(x) \
v = _mm512_permutex2var_epi64(t0##x, idx_lo2, t1##x); \
_mm512_mask_storeu_epi32(boffset0 + 2*x*remain_n, nmask, v);
#define MASK_STORE_512_HI(x) \
v = _mm512_permutex2var_epi64(t0##x, idx_hi2, t1##x); \
_mm512_mask_storeu_epi32(boffset0 + 2*(x + 8)*remain_n, nmask, v);
#define STORE_512(x, y) {\
__m512i v; \
if (x == 0) { STORE_512_LO(y); } \
else { STORE_512_HI(y); } \
}
#define MASK_STORE_512(x, y) {\
__m512i v; \
if (x == 0) { MASK_STORE_512_LO(y); } \
else { MASK_STORE_512_HI(y); } \
}
#define SET_TAIL(y, x) {\
if (y == 0) tail = _mm512_permutex2var_epi64(t0##x, idx_lo2, t1##x); \
else tail = _mm512_permutex2var_epi64(t0##x, idx_hi2, t1##x); \
}
#define GET_TAIL() \
switch (n_store + 1) { \
case 16: SET_TAIL(1, 7); break; \
case 15: SET_TAIL(1, 6); break; \
case 14: SET_TAIL(1, 5); break; \
case 13: SET_TAIL(1, 4); break; \
case 12: SET_TAIL(1, 3); break; \
case 11: SET_TAIL(1, 2); break; \
case 10: SET_TAIL(1, 1); break; \
case 9: SET_TAIL(1, 0); break; \
case 8: SET_TAIL(0, 7); break; \
case 7: SET_TAIL(0, 6); break; \
case 6: SET_TAIL(0, 5); break; \
case 5: SET_TAIL(0, 4); break; \
case 4: SET_TAIL(0, 3); break; \
case 3: SET_TAIL(0, 2); break; \
case 2: SET_TAIL(0, 1); break; \
case 1: SET_TAIL(0, 0); break; \
}
int CNAME(BLASLONG m, BLASLONG n, IFLOAT *a, BLASLONG lda, IFLOAT *b){
BLASLONG i, j;
IFLOAT *boffset0;
IFLOAT *aoffset;
IFLOAT *aoffset00, *aoffset01, *aoffset02, *aoffset03, *aoffset04, *aoffset05, *aoffset06, *aoffset07;
IFLOAT *aoffset10, *aoffset11, *aoffset12, *aoffset13, *aoffset14, *aoffset15, *aoffset16, *aoffset17;
aoffset = a;
boffset0 = b;
BLASLONG n16 = n & ~15;
BLASLONG m32 = m & ~31;
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,
};
u_int64_t permute_table2[] = {
0x00, 0x01, 0x02, 0x03, 8|0x0, 8|0x1, 8|0x2, 8|0x3,
0x04, 0x05, 0x06, 0x07, 8|0x4, 8|0x5, 8|0x6, 8|0x7,
};
__m512i idx_lo = _mm512_loadu_si512(permute_table);
__m512i idx_hi = _mm512_loadu_si512(permute_table + 16);
__m512i idx_lo2 = _mm512_loadu_si512(permute_table2);
__m512i idx_hi2 = _mm512_loadu_si512(permute_table2 + 8);
__mmask16 kc = 0xcccc;
__mmask16 k3 = 0x3333;
__m512i r0, r1, r2, r3, r4, r5, r6, r7;
__m512i t00, t01, t02, t03, t04, t05, t06, t07;
__m512i t10, t11, t12, t13, t14, t15, t16, t17;
for (j = 0; j < n16; j += 16) {
aoffset00 = aoffset;
aoffset01 = aoffset00 + lda;
aoffset02 = aoffset01 + lda;
aoffset03 = aoffset02 + lda;
aoffset04 = aoffset03 + lda;
aoffset05 = aoffset04 + lda;
aoffset06 = aoffset05 + lda;
aoffset07 = aoffset06 + lda;
aoffset10 = aoffset07 + lda;
aoffset11 = aoffset10 + lda;
aoffset12 = aoffset11 + lda;
aoffset13 = aoffset12 + lda;
aoffset14 = aoffset13 + lda;
aoffset15 = aoffset14 + lda;
aoffset16 = aoffset15 + lda;
aoffset17 = aoffset16 + lda;
aoffset += 16 * lda;
for (i = 0; i < m32; i += 32) {
r0 = _mm512_loadu_si512(aoffset00 + i);
r1 = _mm512_loadu_si512(aoffset01 + i);
r2 = _mm512_loadu_si512(aoffset02 + i);
r3 = _mm512_loadu_si512(aoffset03 + i);
r4 = _mm512_loadu_si512(aoffset04 + i);
r5 = _mm512_loadu_si512(aoffset05 + i);
r6 = _mm512_loadu_si512(aoffset06 + i);
r7 = _mm512_loadu_si512(aoffset07 + i);
REORDER_8x32(t00, t01, t02, t03, t04, t05, t06, t07);
r0 = _mm512_loadu_si512(aoffset10 + i);
r1 = _mm512_loadu_si512(aoffset11 + i);
r2 = _mm512_loadu_si512(aoffset12 + i);
r3 = _mm512_loadu_si512(aoffset13 + i);
r4 = _mm512_loadu_si512(aoffset14 + i);
r5 = _mm512_loadu_si512(aoffset15 + i);
r6 = _mm512_loadu_si512(aoffset16 + i);
r7 = _mm512_loadu_si512(aoffset17 + i);
REORDER_8x32(t10, t11, t12, t13, t14, t15, t16, t17);
STORE_512(0, 0); STORE_512(0, 1); STORE_512(0, 2); STORE_512(0, 3);
STORE_512(0, 4); STORE_512(0, 5); STORE_512(0, 6); STORE_512(0, 7);
STORE_512(1, 0); STORE_512(1, 1); STORE_512(1, 2); STORE_512(1, 3);
STORE_512(1, 4); STORE_512(1, 5); STORE_512(1, 6); STORE_512(1, 7);
boffset0 += 16 * 32;
}
if (i < m) {
int remain_m = m - i;
__mmask32 mmask = (1UL << remain_m) - 1;
r0 = _mm512_maskz_loadu_epi16(mmask, aoffset00 + i);
r1 = _mm512_maskz_loadu_epi16(mmask, aoffset01 + i);
r2 = _mm512_maskz_loadu_epi16(mmask, aoffset02 + i);
r3 = _mm512_maskz_loadu_epi16(mmask, aoffset03 + i);
r4 = _mm512_maskz_loadu_epi16(mmask, aoffset04 + i);
r5 = _mm512_maskz_loadu_epi16(mmask, aoffset05 + i);
r6 = _mm512_maskz_loadu_epi16(mmask, aoffset06 + i);
r7 = _mm512_maskz_loadu_epi16(mmask, aoffset07 + i);
REORDER_8x32(t00, t01, t02, t03, t04, t05, t06, t07);
r0 = _mm512_maskz_loadu_epi16(mmask, aoffset10 + i);
r1 = _mm512_maskz_loadu_epi16(mmask, aoffset11 + i);
r2 = _mm512_maskz_loadu_epi16(mmask, aoffset12 + i);
r3 = _mm512_maskz_loadu_epi16(mmask, aoffset13 + i);
r4 = _mm512_maskz_loadu_epi16(mmask, aoffset14 + i);
r5 = _mm512_maskz_loadu_epi16(mmask, aoffset15 + i);
r6 = _mm512_maskz_loadu_epi16(mmask, aoffset16 + i);
r7 = _mm512_maskz_loadu_epi16(mmask, aoffset17 + i);
REORDER_8x32(t10, t11, t12, t13, t14, t15, t16, t17);
int n_store = remain_m/2;
switch (n_store) {
case 15: STORE_512(1, 6);
case 14: STORE_512(1, 5);
case 13: STORE_512(1, 4);
case 12: STORE_512(1, 3);
case 11: STORE_512(1, 2);
case 10: STORE_512(1, 1);
case 9: STORE_512(1, 0);
case 8: STORE_512(0, 7);
case 7: STORE_512(0, 6);
case 6: STORE_512(0, 5);
case 5: STORE_512(0, 4);
case 4: STORE_512(0, 3);
case 3: STORE_512(0, 2);
case 2: STORE_512(0, 1);
case 1: STORE_512(0, 0);
}
boffset0 += n_store * 32;
if (m & 0x1) {
__m512i tail;
GET_TAIL();
_mm256_storeu_si256((void *)boffset0, _mm512_cvtepi32_epi16(tail));
boffset0 += 16;
}
}
}
if (j < n) {
int remain_n = n - j;
__mmask16 nmask = (1UL << remain_n) - 1;
int load0, load1;
if (remain_n > 8) {
load0 = 8;
load1 = remain_n - 8;
} else {
load0 = remain_n;
load1 = 0;
}
aoffset00 = aoffset;
aoffset01 = aoffset00 + lda;
aoffset02 = aoffset01 + lda;
aoffset03 = aoffset02 + lda;
aoffset04 = aoffset03 + lda;
aoffset05 = aoffset04 + lda;
aoffset06 = aoffset05 + lda;
aoffset07 = aoffset06 + lda;
aoffset10 = aoffset07 + lda;
aoffset11 = aoffset10 + lda;
aoffset12 = aoffset11 + lda;
aoffset13 = aoffset12 + lda;
aoffset14 = aoffset13 + lda;
aoffset15 = aoffset14 + lda;
aoffset16 = aoffset15 + lda;
aoffset17 = aoffset16 + lda;
aoffset += 16 * lda;
for (i = 0; i < m32; i += 32) {
switch (load0) {
case 8: r7 = _mm512_loadu_si512(aoffset07 + i);
case 7: r6 = _mm512_loadu_si512(aoffset06 + i);
case 6: r5 = _mm512_loadu_si512(aoffset05 + i);
case 5: r4 = _mm512_loadu_si512(aoffset04 + i);
case 4: r3 = _mm512_loadu_si512(aoffset03 + i);
case 3: r2 = _mm512_loadu_si512(aoffset02 + i);
case 2: r1 = _mm512_loadu_si512(aoffset01 + i);
case 1: r0 = _mm512_loadu_si512(aoffset00 + i);
}
REORDER_8x32(t00, t01, t02, t03, t04, t05, t06, t07);
switch (load1) {
case 8: r7 = _mm512_loadu_si512(aoffset17 + i);
case 7: r6 = _mm512_loadu_si512(aoffset16 + i);
case 6: r5 = _mm512_loadu_si512(aoffset15 + i);
case 5: r4 = _mm512_loadu_si512(aoffset14 + i);
case 4: r3 = _mm512_loadu_si512(aoffset13 + i);
case 3: r2 = _mm512_loadu_si512(aoffset12 + i);
case 2: r1 = _mm512_loadu_si512(aoffset11 + i);
case 1: r0 = _mm512_loadu_si512(aoffset10 + i);
}
REORDER_8x32(t10, t11, t12, t13, t14, t15, t16, t17);
MASK_STORE_512(0, 0); MASK_STORE_512(0, 1); MASK_STORE_512(0, 2); MASK_STORE_512(0, 3);
MASK_STORE_512(0, 4); MASK_STORE_512(0, 5); MASK_STORE_512(0, 6); MASK_STORE_512(0, 7);
MASK_STORE_512(1, 0); MASK_STORE_512(1, 1); MASK_STORE_512(1, 2); MASK_STORE_512(1, 3);
MASK_STORE_512(1, 4); MASK_STORE_512(1, 5); MASK_STORE_512(1, 6); MASK_STORE_512(1, 7);
boffset0 += remain_n * 32;
}
if (i < m) {
int remain_m = m - i;
__mmask32 mmask = (1UL << remain_m) - 1;
switch (load0) {
case 8: r7 = _mm512_maskz_loadu_epi16(mmask, aoffset07 + i);
case 7: r6 = _mm512_maskz_loadu_epi16(mmask, aoffset06 + i);
case 6: r5 = _mm512_maskz_loadu_epi16(mmask, aoffset05 + i);
case 5: r4 = _mm512_maskz_loadu_epi16(mmask, aoffset04 + i);
case 4: r3 = _mm512_maskz_loadu_epi16(mmask, aoffset03 + i);
case 3: r2 = _mm512_maskz_loadu_epi16(mmask, aoffset02 + i);
case 2: r1 = _mm512_maskz_loadu_epi16(mmask, aoffset01 + i);
case 1: r0 = _mm512_maskz_loadu_epi16(mmask, aoffset00 + i);
}
REORDER_8x32(t00, t01, t02, t03, t04, t05, t06, t07);
switch (load1) {
case 8: r7 = _mm512_maskz_loadu_epi16(mmask, aoffset17 + i);
case 7: r6 = _mm512_maskz_loadu_epi16(mmask, aoffset16 + i);
case 6: r5 = _mm512_maskz_loadu_epi16(mmask, aoffset15 + i);
case 5: r4 = _mm512_maskz_loadu_epi16(mmask, aoffset14 + i);
case 4: r3 = _mm512_maskz_loadu_epi16(mmask, aoffset13 + i);
case 3: r2 = _mm512_maskz_loadu_epi16(mmask, aoffset12 + i);
case 2: r1 = _mm512_maskz_loadu_epi16(mmask, aoffset11 + i);
case 1: r0 = _mm512_maskz_loadu_epi16(mmask, aoffset10 + i);
}
REORDER_8x32(t10, t11, t12, t13, t14, t15, t16, t17);
int n_store = remain_m/2;
switch (n_store) {
case 15: MASK_STORE_512(1, 6);
case 14: MASK_STORE_512(1, 5);
case 13: MASK_STORE_512(1, 4);
case 12: MASK_STORE_512(1, 3);
case 11: MASK_STORE_512(1, 2);
case 10: MASK_STORE_512(1, 1);
case 9: MASK_STORE_512(1, 0);
case 8: MASK_STORE_512(0, 7);
case 7: MASK_STORE_512(0, 6);
case 6: MASK_STORE_512(0, 5);
case 5: MASK_STORE_512(0, 4);
case 4: MASK_STORE_512(0, 3);
case 3: MASK_STORE_512(0, 2);
case 2: MASK_STORE_512(0, 1);
case 1: MASK_STORE_512(0, 0);
}
boffset0 += n_store * remain_n * 2;
if (m & 0x1) {
__m512i tail;
GET_TAIL();
_mm256_mask_storeu_epi16((void *)boffset0, nmask, _mm512_cvtepi32_epi16(tail));
}
}
}
return 0;
}

208
kernel/x86_64/sbgemm_ncopy_4_cooperlake.c Normal file
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@ -0,0 +1,208 @@
/***************************************************************************
Copyright (c) 2021, The OpenBLAS Project
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. Neither the name of the OpenBLAS project nor the names of
its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#include <stdio.h>
#include <immintrin.h>
#include "common.h"
#define REORDER_4x32(r0, r1, r2, r3) {\
__m512i t0, t1, t2, t3; \
t0 = _mm512_unpacklo_epi32(r0, r1); \
t1 = _mm512_unpackhi_epi32(r0, r1); \
t2 = _mm512_unpacklo_epi32(r2, r3); \
t3 = _mm512_unpackhi_epi32(r2, r3); \
r0 = _mm512_unpacklo_epi64(t0, t2); \
r1 = _mm512_unpackhi_epi64(t0, t2); \
r2 = _mm512_unpacklo_epi64(t1, t3); \
r3 = _mm512_unpackhi_epi64(t1, t3); \
t0 = _mm512_permutex2var_epi32(r0, idx_lo_128, r1); \
t1 = _mm512_permutex2var_epi32(r0, idx_hi_128, r1); \
t2 = _mm512_permutex2var_epi32(r2, idx_lo_128, r3); \
t3 = _mm512_permutex2var_epi32(r2, idx_hi_128, r3); \
r0 = _mm512_permutex2var_epi32(t0, idx_lo_256, t2); \
r1 = _mm512_permutex2var_epi32(t1, idx_lo_256, t3); \
r2 = _mm512_permutex2var_epi32(t0, idx_hi_256, t2); \
r3 = _mm512_permutex2var_epi32(t1, idx_hi_256, t3); \
}
#define REORDER_4x8(r0, r1, r2, r3) {\
__m128i t0, t1, t2, t3; \
t0 = _mm_unpacklo_epi32(r0, r1); \
t1 = _mm_unpackhi_epi32(r0, r1); \
t2 = _mm_unpacklo_epi32(r2, r3); \
t3 = _mm_unpackhi_epi32(r2, r3); \
r0 = _mm_unpacklo_epi64(t0, t2); \
r1 = _mm_unpackhi_epi64(t0, t2); \
r2 = _mm_unpacklo_epi64(t1, t3); \
r3 = _mm_unpackhi_epi64(t1, t3); \
}
#define GET_TAIL(tail, remain_m) \
switch((remain_m + 1)/2) { \
case 1: tail = r0; break; \
case 2: tail = r1; break; \
case 3: tail = r2; break; \
case 4: tail = r3; break; \
}
int CNAME(BLASLONG m, BLASLONG n, IFLOAT *a, BLASLONG lda, IFLOAT *b){
BLASLONG i, j;
IFLOAT *aoffset;
IFLOAT *aoffset0, *aoffset1, *aoffset2, *aoffset3;
IFLOAT *boffset;
aoffset = a;
boffset = b;
BLASLONG m32 = m & ~31;
BLASLONG m8 = m & ~7;
BLASLONG n4 = n & ~3;
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,
};
__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);
for (j = 0; j < n4; j += 4) {
aoffset0 = aoffset;
aoffset1 = aoffset0 + lda;
aoffset2 = aoffset1 + lda;
aoffset3 = aoffset2 + lda;
aoffset += 4 * lda;
for (i = 0; i < m32; i += 32) {
__m512i r0, r1, r2, r3;
r0 = _mm512_loadu_si512(aoffset0 + i);
r1 = _mm512_loadu_si512(aoffset1 + i);
r2 = _mm512_loadu_si512(aoffset2 + i);
r3 = _mm512_loadu_si512(aoffset3 + i);
REORDER_4x32(r0, r1, r2, r3);
_mm512_storeu_si512(boffset + 32*0, r0);
_mm512_storeu_si512(boffset + 32*1, r1);
_mm512_storeu_si512(boffset + 32*2, r2);
_mm512_storeu_si512(boffset + 32*3, r3);
boffset += 32 * 4;
}
for (; i < m8; i += 8) {
__m128i r0 = _mm_loadu_si128((void *)(aoffset0 + i));
__m128i r1 = _mm_loadu_si128((void *)(aoffset1 + i));
__m128i r2 = _mm_loadu_si128((void *)(aoffset2 + i));
__m128i r3 = _mm_loadu_si128((void *)(aoffset3 + i));
REORDER_4x8(r0, r1, r2, r3);
_mm_storeu_si128((void *)(boffset + 8*0), r0);
_mm_storeu_si128((void *)(boffset + 8*1), r1);
_mm_storeu_si128((void *)(boffset + 8*2), r2);
_mm_storeu_si128((void *)(boffset + 8*3), r3);
boffset += 8 * 4;
}
if (i < m) {
int remain_m = m - i;
__mmask8 r_mask = (1UL << remain_m) - 1;
__m128i r0 = _mm_maskz_loadu_epi16(r_mask, aoffset0 + i);
__m128i r1 = _mm_maskz_loadu_epi16(r_mask, aoffset1 + i);
__m128i r2 = _mm_maskz_loadu_epi16(r_mask, aoffset2 + i);
__m128i r3 = _mm_maskz_loadu_epi16(r_mask, aoffset3 + i);
REORDER_4x8(r0, r1, r2, r3);
// store should skip the tail odd line
int num_store = remain_m/2;
switch(num_store) {
case 3: _mm_storeu_si128((void *)(boffset + 8*2), r2);
case 2: _mm_storeu_si128((void *)(boffset + 8*1), r1);
case 1: _mm_storeu_si128((void *)(boffset + 8*0), r0);
}
boffset += 8 * num_store;
if (m & 0x1) { // handling the tail
__m128i tail;
GET_TAIL(tail, remain_m);
/* tail vector is fill with zero like:
* a, 0, b, 0, c, 0, d, 0
* need to extract lo words of data and store
*/
tail = _mm_cvtepi32_epi16(tail);
_mm_store_sd((double *)boffset, (__m128d) tail); // only lower 4 bfloat valid
boffset += 4;
}
}
}
if (j < n) {
int remain_n = n - j;
__mmask8 nmask = (1UL << remain_n) - 1;
aoffset0 = aoffset;
aoffset1 = aoffset0 + lda;
aoffset2 = aoffset1 + lda;
aoffset3 = aoffset2 + lda;
__m128i r0, r1, r2, r3;
for (i = 0; i < m8; i += 8) {
switch (remain_n) {
case 3: r2 = _mm_loadu_si128((void *)(aoffset2 + i));
case 2: r1 = _mm_loadu_si128((void *)(aoffset1 + i));
case 1: r0 = _mm_loadu_si128((void *)(aoffset0 + i));
}
REORDER_4x8(r0, r1, r2, r3);
_mm_mask_storeu_epi32(boffset + remain_n * 0, nmask, r0);
_mm_mask_storeu_epi32(boffset + remain_n * 2, nmask, r1);
_mm_mask_storeu_epi32(boffset + remain_n * 4, nmask, r2);
_mm_mask_storeu_epi32(boffset + remain_n * 6, nmask, r3);
boffset += 8 * remain_n;
}
if (i < m) {
int remain_m = m - i;
__mmask8 mmask = (1UL << remain_m) - 1;
switch (remain_n) {
case 3: r2 = _mm_maskz_loadu_epi16(mmask, aoffset2 + i);
case 2: r1 = _mm_maskz_loadu_epi16(mmask, aoffset1 + i);
case 1: r0 = _mm_maskz_loadu_epi16(mmask, aoffset0 + i);
}
REORDER_4x8(r0, r1, r2, r3);
int num_store = remain_m/2;
switch (num_store) {
case 3: _mm_mask_storeu_epi32(boffset + remain_n * 4, nmask, r2);
case 2: _mm_mask_storeu_epi32(boffset + remain_n * 2, nmask, r1);
case 1: _mm_mask_storeu_epi32(boffset + remain_n * 0, nmask, r0);
}
boffset += 2 * num_store * remain_n;
if (m & 0x1) {
__m128i tail;
GET_TAIL(tail, remain_m);
tail = _mm_cvtepi32_epi16(tail);
_mm_mask_storeu_epi16(boffset, nmask, tail);
}
}
}
return 0;
}

8
kernel/x86_64/sbgemm_small_kernel_permit_cooperlake.c
View File

@ -38,5 +38,11 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
int CNAME(int transa, int transb, BLASLONG M, BLASLONG N, BLASLONG K, FLOAT alpha, FLOAT beta)
{
return 1;
double MNK = (double) M * (double) N * (double) K;
if (MNK > 256.0*256.0*256.0) // disable for big size matrix
return 0;
/* small matrix kernel works well for N = 8, 16, 32 */
if (N == 8 || N == 16 || N == 32)
return 1;
return 0;
}

164
kernel/x86_64/sbgemm_tcopy_16_cooperlake.c Normal file
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@ -0,0 +1,164 @@
/***************************************************************************
Copyright (c) 2021, The OpenBLAS Project
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. Neither the name of the OpenBLAS project nor the names of
its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#include <stdio.h>
#include <immintrin.h>
#include "common.h"
int CNAME(BLASLONG m, BLASLONG n, IFLOAT *a, BLASLONG lda, IFLOAT *b){
BLASLONG i, j;
IFLOAT *boffset0, *boffset1;
boffset0 = b;
BLASLONG n32 = n & ~31;
BLASLONG m4 = m & ~3;
BLASLONG m2 = m & ~1;
uint32_t permute_table[] = {
0x00, 0x01, 0x02, 0x03, 0x10, 0x11, 0x12, 0x13, 0x04, 0x05, 0x06, 0x07, 0x14, 0x15, 0x16, 0x17,
0x08, 0x09, 0x0a, 0x0b, 0x18, 0x19, 0x1a, 0x1b, 0x0c, 0x0d, 0x0e, 0x0f, 0x1c, 0x1d, 0x1e, 0x1f,
};
__m512i idx_lo = _mm512_loadu_si512(permute_table);
__m512i idx_hi = _mm512_loadu_si512(permute_table + 16);
for (j = 0; j < n32; j += 32) {
/* process 2x16 n at the same time */
boffset1 = boffset0 + m * 16;
for (i = 0; i < m4; i += 4) {
/* bf16 fma need special memory layout:
* for memory layout like below:
* a00, a01, a02, a03, a04, a05 ....
* a10, a11, a12, a13, a14, a15 ....
* need to copy as:
* a00, a10, a01, a11, a02, a12, a03, a13, ...
*/
__m512i a0 = _mm512_loadu_si512(&a[(i + 0)*lda + j]);
__m512i a1 = _mm512_loadu_si512(&a[(i + 1)*lda + j]);
__m512i a2 = _mm512_loadu_si512(&a[(i + 2)*lda + j]);
__m512i a3 = _mm512_loadu_si512(&a[(i + 3)*lda + j]);
__m512i a00 = _mm512_unpacklo_epi16(a0, a1);
__m512i a01 = _mm512_unpackhi_epi16(a0, a1);
__m512i a10 = _mm512_unpacklo_epi16(a2, a3);
__m512i a11 = _mm512_unpackhi_epi16(a2, a3);
a0 = _mm512_permutex2var_epi32(a00, idx_lo, a01);
a1 = _mm512_permutex2var_epi32(a00, idx_hi, a01);
a2 = _mm512_permutex2var_epi32(a10, idx_lo, a11);
a3 = _mm512_permutex2var_epi32(a10, idx_hi, a11);
_mm512_storeu_si512(boffset0, a0);
_mm512_storeu_si512(boffset1, a1);
_mm512_storeu_si512(boffset0 + 32, a2);
_mm512_storeu_si512(boffset1 + 32, a3);
boffset0 += 64;
boffset1 += 64;
}
for (; i < m2; i += 2) {
__m512i a0 = _mm512_loadu_si512(&a[(i + 0)*lda + j]);
__m512i a1 = _mm512_loadu_si512(&a[(i + 1)*lda + j]);
__m512i a00 = _mm512_unpacklo_epi16(a0, a1);
__m512i a01 = _mm512_unpackhi_epi16(a0, a1);
a0 = _mm512_permutex2var_epi32(a00, idx_lo, a01);
a1 = _mm512_permutex2var_epi32(a00, idx_hi, a01);
_mm512_storeu_si512(boffset0, a0);
_mm512_storeu_si512(boffset1, a1);
boffset0 += 32;
boffset1 += 32;
}
for (; i < m; i++) {
/* just copy the only remains row */
__m256i a0 = _mm256_loadu_si256((void *)&a[(i + 0)*lda + j]);
__m256i a1 = _mm256_loadu_si256((void *)&a[(i + 0)*lda + j + 16]);
_mm256_storeu_si256((void *)boffset0, a0);
_mm256_storeu_si256((void *)boffset1, a1);
boffset0 += 16;
boffset1 += 16;
}
boffset0 = boffset1;
}
if (j < n) {
uint32_t remains = n - j;
__mmask32 r_mask = (1UL << remains) - 1;
if (remains > 16) {
boffset1 = boffset0 + m * 16;
uint32_t tail1 = remains - 16;
__mmask16 w_mask1 = (1UL << tail1) - 1;
for (i = 0; i < m2; i += 2) {
__m512i a0 = _mm512_maskz_loadu_epi16(r_mask, &a[(i + 0)*lda + j]);
__m512i a1 = _mm512_maskz_loadu_epi16(r_mask, &a[(i + 1)*lda + j]);
__m512i a00 = _mm512_unpacklo_epi16(a0, a1);
__m512i a01 = _mm512_unpackhi_epi16(a0, a1);
a0 = _mm512_permutex2var_epi32(a00, idx_lo, a01);
a1 = _mm512_permutex2var_epi32(a00, idx_hi, a01);
_mm512_storeu_si512(boffset0, a0);
_mm512_mask_storeu_epi32(boffset1, w_mask1, a1);
boffset0 += 32;
boffset1 += 2 * tail1;
}
for (; i < m; i++) {
__m256i a0 = _mm256_loadu_si256((void *)&a[(i + 0)*lda + j]);
__m256i a1 = _mm256_maskz_loadu_epi16(w_mask1, (void *)&a[(i + 0)*lda + j + 16]);
_mm256_storeu_si256((void *)boffset0, a0);
_mm256_mask_storeu_epi16((void *)boffset1, w_mask1, a1);
boffset0 += 16;
boffset1 += tail1;
}
} else {
__mmask16 w_mask = (1UL << remains ) - 1;
for (i = 0; i < m2; i += 2) {
__m512i a0 = _mm512_maskz_loadu_epi16(r_mask, &a[(i + 0)*lda + j]);
__m512i a1 = _mm512_maskz_loadu_epi16(r_mask, &a[(i + 1)*lda + j]);
__m512i a00 = _mm512_unpacklo_epi16(a0, a1);
__m512i a01 = _mm512_unpackhi_epi16(a0, a1);
a0 = _mm512_permutex2var_epi32(a00, idx_lo, a01);
_mm512_mask_storeu_epi32(boffset0, w_mask, a0);
boffset0 += 2 * remains;
}
for (; i < m; i++) {
__m256i a0 = _mm256_maskz_loadu_epi16(w_mask, &a[(i + 0)*lda + j]);
_mm256_mask_storeu_epi16(boffset0, w_mask, a0);
boffset0 += remains;
}
}
}
return 0;
}

216
kernel/x86_64/sbgemm_tcopy_4_cooperlake.c Normal file
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@ -0,0 +1,216 @@
/***************************************************************************
Copyright (c) 2021, The OpenBLAS Project
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. Neither the name of the OpenBLAS project nor the names of
its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#include <stdio.h>
#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;
IFLOAT *boffset0, *boffset1;
boffset0 = b;
BLASLONG n24 = n - (n % 24);
BLASLONG n8 = n & ~7;
BLASLONG m8 = m & ~7;
BLASLONG m4 = m & ~3;
BLASLONG m2 = m & ~1;
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) {
__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]);
__m128i a3 = _mm_loadu_si128((void *)&a[(i + 3)*lda + j]);
__m128i a00 = _mm_unpacklo_epi16(a0, a1);
__m128i a01 = _mm_unpackhi_epi16(a0, a1);
__m128i a10 = _mm_unpacklo_epi16(a2, a3);
__m128i a11 = _mm_unpackhi_epi16(a2, a3);
_mm_storeu_si128((void *)(boffset0 + 0), a00);
_mm_storeu_si128((void *)(boffset0 + 8), a10);
_mm_storeu_si128((void *)(boffset1 + 0), a01);
_mm_storeu_si128((void *)(boffset1 + 8), a11);
boffset0 += 16;
boffset1 += 16;
}
for (; i < m2; i+= 2) {
__m128i a0 = _mm_loadu_si128((void *)&a[(i + 0)*lda + j]);
__m128i a1 = _mm_loadu_si128((void *)&a[(i + 1)*lda + j]);
__m128i a00 = _mm_unpacklo_epi16(a0, a1);
__m128i a01 = _mm_unpackhi_epi16(a0, a1);
_mm_storeu_si128((void *)(boffset0 + 0), a00);
_mm_storeu_si128((void *)(boffset1 + 0), a01);
boffset0 += 8;
boffset1 += 8;
}
for (; i < m; i++) {
__m128d a0 = _mm_loadu_pd((void *)&a[(i + 0)*lda + j]);
_mm_store_sd((void *)boffset0, a0);
_mm_store_sd((void *)boffset1, _mm_permute_pd(a0, 0x1));
boffset0 += 4;
boffset1 += 4;
}
boffset0 = boffset1;
}
if (j < n) {
uint32_t remains = n - j;
__mmask8 r_mask = (1UL << remains) - 1;
if (remains > 4) {
boffset1 = boffset0 + m * 4;
uint32_t tail1 = remains - 4;
__mmask8 w_mask1 = (1UL << tail1) - 1;
for (i = 0; i < m2; i += 2) {
__m128i a0 = _mm_maskz_loadu_epi16(r_mask, &a[(i + 0)*lda + j]);
__m128i a1 = _mm_maskz_loadu_epi16(r_mask, &a[(i + 1)*lda + j]);
__m128i a00 = _mm_unpacklo_epi16(a0, a1);
__m128i a01 = _mm_unpackhi_epi16(a0, a1);
_mm_storeu_si128((void *)boffset0, a00);
_mm_mask_storeu_epi32((void *)boffset1, w_mask1, a01);
boffset0 += 8;
boffset1 += 2 * tail1;
}
for (; i < m; i++) {
__m128i a0 = _mm_maskz_loadu_epi16(r_mask, &a[(i + 0)*lda + j]);
_mm_store_sd((void *)boffset0, (__m128d) a0);
_mm_mask_storeu_epi16((void *)boffset1, w_mask1, (__m128i) _mm_permute_pd((__m128d) a0, 0x1));
boffset0 += 4;
boffset1 += tail1;
}
} else {
for (i = 0; i < m2; i += 2) {
__m128i a0 = _mm_maskz_loadu_epi16(r_mask, &a[(i + 0)*lda + j]);
__m128i a1 = _mm_maskz_loadu_epi16(r_mask, &a[(i + 1)*lda + j]);
__m128i a00 = _mm_unpacklo_epi16(a0, a1);
_mm_mask_storeu_epi32((void *)boffset0, r_mask, a00);
boffset0 += 2 * remains;
}
for (; i < m; i++) {
__m128i a0 = _mm_maskz_loadu_epi16(r_mask, &a[(i + 0)*lda + j]);
_mm_mask_storeu_epi16((void *)boffset0, r_mask, a0);
}
}
}
return 0;
}

2
kernel/x86_64/sgemm_beta_skylakex.c
View File

@ -41,7 +41,7 @@
#include <immintrin.h>
int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT beta,
FLOAT *dummy2, BLASLONG dummy3, FLOAT *dummy4, BLASLONG dummy5,
IFLOAT *dummy2, BLASLONG dummy3, IFLOAT *dummy4, BLASLONG dummy5,
FLOAT *c, BLASLONG ldc){
BLASLONG i, j;

11
param.h
View File

@ -1771,6 +1771,17 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endif
#define USE_SGEMM_KERNEL_DIRECT 1
#undef SBGEMM_DEFAULT_UNROLL_N
#undef SBGEMM_DEFAULT_UNROLL_M
#undef SBGEMM_DEFAULT_P
#undef SBGEMM_DEFAULT_R
#undef SBGEMM_DEFAULT_Q
#define SBGEMM_DEFAULT_UNROLL_N 4
#define SBGEMM_DEFAULT_UNROLL_M 16
#define SBGEMM_DEFAULT_P 384
#define SBGEMM_DEFAULT_Q 768
#define SBGEMM_DEFAULT_R sbgemm_r
#ifdef ARCH_X86
#define SGEMM_DEFAULT_UNROLL_M 4