Neoverse N2 sbgemm:

1. Modify the algorithm to resolve multithreading failures
    2. No memory allocation in sbgemm kernel
    3. Optimize when alpha == 1.0f
This commit is contained in:
Honglin Zhu 2022-06-22 23:00:40 +08:00
parent bc3728475f
commit 123e0dfb62
5 changed files with 753 additions and 387 deletions

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@ -30,294 +30,16 @@
#include "common.h"
int CNAME(BLASLONG m, BLASLONG n, BLASLONG k, FLOAT alpha, IFLOAT *A, IFLOAT *B, FLOAT *C,
BLASLONG ldc) {
// printf("m: %d, n: %d, k: %d\n", m, n, k);
BLASLONG padk = (k + 3) & ~3;
BLASLONG padm = (m + 1) & ~1;
BLASLONG padn = (n + 1) & ~1;
FLOAT *RC = (FLOAT *)calloc(padm * padn, sizeof(float));
BLASLONG nldc = padm;
IFLOAT *ptr_a = A;
IFLOAT *ptr_b = B;
FLOAT *ptr_c = RC;
IFLOAT *ptr_a0, *ptr_a1, *ptr_a2, *ptr_a3;
IFLOAT *ptr_b0, *ptr_b1;
FLOAT *ptr_c00, *ptr_c10, *ptr_c20, *ptr_c30, *ptr_c01, *ptr_c11, *ptr_c21, *ptr_c31;
svbfloat16_t ma0, ma1, ma2, ma3, mb0, mb1;
svfloat32_t mc00, mc01, mc10, mc11, mc20, mc21, mc30, mc31;
svbool_t pg16 = svptrue_b16();
svbool_t pg32 = svptrue_b32();
svfloat32_t svalpha = svdup_f32(alpha);
uint32_t off_c[] = {0, (uint32_t)nldc, 1, (uint32_t)nldc + 1}; // 00 01 10 11
svuint32_t off_vc = svld1_u32(pg32, off_c);
for (BLASLONG j = 0; j < padn / 4; j++) {
ptr_c00 = ptr_c;
ptr_c10 = ptr_c00 + 2;
ptr_c20 = ptr_c10 + 2;
ptr_c30 = ptr_c20 + 2;
ptr_c01 = ptr_c + 2 * nldc;
ptr_c11 = ptr_c01 + 2;
ptr_c21 = ptr_c11 + 2;
ptr_c31 = ptr_c21 + 2;
ptr_c += 4 * nldc;
ptr_a = A;
for (BLASLONG i = 0; i < padm / 8; i++) {
ptr_a0 = ptr_a;
ptr_a1 = ptr_a0 + 2 * padk;
ptr_a2 = ptr_a1 + 2 * padk;
ptr_a3 = ptr_a2 + 2 * padk;
ptr_a += 8 * padk;
ptr_b0 = ptr_b;
ptr_b1 = ptr_b0 + 2 * padk;
mc00 = svdup_f32(0);
mc01 = svdup_f32(0);
mc10 = svdup_f32(0);
mc11 = svdup_f32(0);
mc20 = svdup_f32(0);
mc21 = svdup_f32(0);
mc30 = svdup_f32(0);
mc31 = svdup_f32(0);
for (BLASLONG p = 0; p < padk / 4; p++) {
ma0 = svld1_bf16(pg16, (bfloat16_t *)ptr_a0);
ma1 = svld1_bf16(pg16, (bfloat16_t *)ptr_a1);
ma2 = svld1_bf16(pg16, (bfloat16_t *)ptr_a2);
ma3 = svld1_bf16(pg16, (bfloat16_t *)ptr_a3);
mb0 = svld1_bf16(pg16, (bfloat16_t *)ptr_b0);
mb1 = svld1_bf16(pg16, (bfloat16_t *)ptr_b1);
mc00 = svbfmmla(mc00, ma0, mb0);
mc10 = svbfmmla(mc10, ma1, mb0);
mc20 = svbfmmla(mc20, ma2, mb0);
mc30 = svbfmmla(mc30, ma3, mb0);
mc01 = svbfmmla(mc01, ma0, mb1);
mc11 = svbfmmla(mc11, ma1, mb1);
mc21 = svbfmmla(mc21, ma2, mb1);
mc31 = svbfmmla(mc31, ma3, mb1);
ptr_a0 += 8;
ptr_a1 += 8;
ptr_a2 += 8;
ptr_a3 += 8;
ptr_b0 += 8;
ptr_b1 += 8;
}
svst1_scatter_index(pg32, ptr_c00, off_vc, mc00);
svst1_scatter_index(pg32, ptr_c10, off_vc, mc10);
svst1_scatter_index(pg32, ptr_c20, off_vc, mc20);
svst1_scatter_index(pg32, ptr_c30, off_vc, mc30);
svst1_scatter_index(pg32, ptr_c01, off_vc, mc01);
svst1_scatter_index(pg32, ptr_c11, off_vc, mc11);
svst1_scatter_index(pg32, ptr_c21, off_vc, mc21);
svst1_scatter_index(pg32, ptr_c31, off_vc, mc31);
ptr_c00 += 8;
ptr_c10 += 8;
ptr_c20 += 8;
ptr_c30 += 8;
ptr_c01 += 8;
ptr_c11 += 8;
ptr_c21 += 8;
ptr_c31 += 8;
}
if (padm & 4) {
// rest 4 or 6
ptr_a0 = ptr_a;
ptr_a1 = ptr_a0 + 2 * padk;
ptr_a += 4 * padk;
ptr_b0 = ptr_b;
ptr_b1 = ptr_b0 + 2 * padk;
mc00 = svdup_f32(0);
mc01 = svdup_f32(0);
mc10 = svdup_f32(0);
mc11 = svdup_f32(0);
for (BLASLONG p = 0; p < padk / 4; p++) {
ma0 = svld1_bf16(pg16, (bfloat16_t *)ptr_a0);
ma1 = svld1_bf16(pg16, (bfloat16_t *)ptr_a1);
mb0 = svld1_bf16(pg16, (bfloat16_t *)ptr_b0);
mb1 = svld1_bf16(pg16, (bfloat16_t *)ptr_b1);
mc00 = svbfmmla(mc00, ma0, mb0);
mc10 = svbfmmla(mc10, ma1, mb0);
mc01 = svbfmmla(mc01, ma0, mb1);
mc11 = svbfmmla(mc11, ma1, mb1);
ptr_a0 += 8;
ptr_a1 += 8;
ptr_b0 += 8;
ptr_b1 += 8;
}
svst1_scatter_index(pg32, ptr_c00, off_vc, mc00);
svst1_scatter_index(pg32, ptr_c10, off_vc, mc10);
svst1_scatter_index(pg32, ptr_c01, off_vc, mc01);
svst1_scatter_index(pg32, ptr_c11, off_vc, mc11);
ptr_c00 += 4;
ptr_c10 += 4;
ptr_c01 += 4;
ptr_c11 += 4;
}
if (padm & 2) {
// rest 2
ptr_a0 = ptr_a;
ptr_b0 = ptr_b;
ptr_b1 = ptr_b0 + 2 * padk;
mc00 = svdup_f32(0);
mc01 = svdup_f32(0);
for (BLASLONG p = 0; p < padk / 4; p++) {
ma0 = svld1_bf16(pg16, (bfloat16_t *)ptr_a0);
mb0 = svld1_bf16(pg16, (bfloat16_t *)ptr_b0);
mb1 = svld1_bf16(pg16, (bfloat16_t *)ptr_b1);
mc00 = svbfmmla(mc00, ma0, mb0);
mc01 = svbfmmla(mc01, ma0, mb1);
ptr_a0 += 8;
ptr_b0 += 8;
ptr_b1 += 8;
}
svst1_scatter_index(pg32, ptr_c00, off_vc, mc00);
svst1_scatter_index(pg32, ptr_c01, off_vc, mc01);
ptr_c00 += 2;
ptr_c01 += 2;
}
ptr_b += 4 * padk;
}
if (padn & 2) {
// rest 2
ptr_c00 = ptr_c;
ptr_c10 = ptr_c00 + 2;
ptr_c20 = ptr_c10 + 2;
ptr_c30 = ptr_c20 + 2;
ptr_c += 2 * nldc;
ptr_a = A;
for (BLASLONG i = 0; i < padm / 8; i++) {
ptr_a0 = ptr_a;
ptr_a1 = ptr_a0 + 2 * padk;
ptr_a2 = ptr_a1 + 2 * padk;
ptr_a3 = ptr_a2 + 2 * padk;
ptr_a += 8 * padk;
ptr_b0 = ptr_b;
mc00 = svdup_f32(0);
mc10 = svdup_f32(0);
mc20 = svdup_f32(0);
mc30 = svdup_f32(0);
for (BLASLONG p = 0; p < padk / 4; p++) {
ma0 = svld1_bf16(pg16, (bfloat16_t *)ptr_a0);
ma1 = svld1_bf16(pg16, (bfloat16_t *)ptr_a1);
ma2 = svld1_bf16(pg16, (bfloat16_t *)ptr_a2);
ma3 = svld1_bf16(pg16, (bfloat16_t *)ptr_a3);
mb0 = svld1_bf16(pg16, (bfloat16_t *)ptr_b0);
mc00 = svbfmmla(mc00, ma0, mb0);
mc10 = svbfmmla(mc10, ma1, mb0);
mc20 = svbfmmla(mc20, ma2, mb0);
mc30 = svbfmmla(mc30, ma3, mb0);
ptr_a0 += 8;
ptr_a1 += 8;
ptr_a2 += 8;
ptr_a3 += 8;
ptr_b0 += 8;
}
svst1_scatter_index(pg32, ptr_c00, off_vc, mc00);
svst1_scatter_index(pg32, ptr_c10, off_vc, mc10);
svst1_scatter_index(pg32, ptr_c20, off_vc, mc20);
svst1_scatter_index(pg32, ptr_c30, off_vc, mc30);
ptr_c00 += 8;
ptr_c10 += 8;
ptr_c20 += 8;
ptr_c30 += 8;
}
if (padm & 4) {
ptr_a0 = ptr_a;
ptr_a1 = ptr_a0 + 2 * padk;
ptr_a += 4 * padk;
ptr_b0 = ptr_b;
mc00 = svdup_f32(0);
mc10 = svdup_f32(0);
for (BLASLONG p = 0; p < padk / 4; p++) {
ma0 = svld1_bf16(pg16, (bfloat16_t *)ptr_a0);
ma1 = svld1_bf16(pg16, (bfloat16_t *)ptr_a1);
mb0 = svld1_bf16(pg16, (bfloat16_t *)ptr_b0);
mc00 = svbfmmla(mc00, ma0, mb0);
mc10 = svbfmmla(mc10, ma1, mb0);
ptr_a0 += 8;
ptr_a1 += 8;
ptr_b0 += 8;
}
svst1_scatter_index(pg32, ptr_c00, off_vc, mc00);
svst1_scatter_index(pg32, ptr_c10, off_vc, mc10);
ptr_c00 += 4;
ptr_c10 += 4;
}
if (padm & 2) {
ptr_a0 = ptr_a;
ptr_a += 2 * padk;
ptr_b0 = ptr_b;
mc00 = svdup_f32(0);
for (BLASLONG p = 0; p < padk / 4; p++) {
ma0 = svld1_bf16(pg16, (bfloat16_t *)ptr_a0);
mb0 = svld1_bf16(pg16, (bfloat16_t *)ptr_b0);
mc00 = svbfmmla(mc00, ma0, mb0);
ptr_a0 += 8;
ptr_b0 += 8;
}
svst1_scatter_index(pg32, ptr_c00, off_vc, mc00);
ptr_c00 += 2;
}
ptr_b += 2 * padk;
}
FLOAT *org_c = C;
FLOAT *raw_c = RC;
FLOAT *org_c0, *raw_c0;
svfloat32_t org_vc0, raw_vc0;
for (BLASLONG j = 0; j < n; j++) {
org_c0 = org_c;
raw_c0 = raw_c;
org_c += ldc;
raw_c += nldc;
BLASLONG i;
for (i = 0; i < m / 4; i++) {
org_vc0 = svld1_f32(pg32, org_c0);
raw_vc0 = svld1_f32(pg32, raw_c0);
org_vc0 = svmad_z(pg32, svalpha, raw_vc0,
org_vc0); // alpha * raw + org, raw -> a * b
svst1_f32(pg32, org_c0, org_vc0);
org_c0 += 4;
raw_c0 += 4;
}
for (i = 0; i < (m & 3); i++) {
*org_c0 += alpha * (*raw_c0);
org_c0++;
raw_c0++;
}
}
#define ALPHA_ONE
#include "sbgemm_kernel_8x4_neoversen2_impl.c"
#undef ALPHA_ONE
#include "sbgemm_kernel_8x4_neoversen2_impl.c"
int CNAME(BLASLONG m, BLASLONG n, BLASLONG k, FLOAT alpha, IFLOAT *A, IFLOAT *B,
FLOAT *C, BLASLONG ldc) {
if (alpha == 1.0f)
return sbgemm_kernel_neoversen2_alpha_one(m, n, k, alpha, A, B, C, ldc);
else
return sbgemm_kernel_neoversen2_alpha(m, n, k, alpha, A, B, C, ldc);
return 0;
}

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@ -0,0 +1,665 @@
/***************************************************************************
* Copyright (c) 2022, 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 <arm_sve.h>
#include "common.h"
#ifdef ALPHA_ONE
#define LOAD_C(M, N) \
mc##M##N = svld1_gather_index(pg32, ptr_c0##N + 2 * M , off_vc);
#define LOAD_C_LOW(M, N) \
mc##M##N = svld1_gather_index(pg32_low, ptr_c0##N + 2 * M, off_vc);
#define LOAD_C_EVEN(M, N) \
mc##M##N = svld1_gather_index(pg32_even, ptr_c0##N + 2 * M, off_vc);
#define LOAD_C_FIRST(M, N) \
mc##M##N = svld1_gather_index(pg32_first, ptr_c0##N + 2 * M, off_vc);
#define STORE_C(M, N) \
svst1_scatter_index(pg32, ptr_c0##N + 2 * M, off_vc, mc##M##N);
#define STORE_C_LOW(M, N) \
svst1_scatter_index(pg32_low, ptr_c0##N + 2 * M, off_vc, mc##M##N);
#define STORE_C_EVEN(M, N) \
svst1_scatter_index(pg32_even, ptr_c0##N + 2 * M, off_vc, mc##M##N);
#define STORE_C_FIRST(M, N) \
svst1_scatter_index(pg32_first, ptr_c0##N + 2 * M, off_vc, mc##M##N);
#else
#define LOAD_C(M, N) \
mc##M##N = svdup_f32(0); \
oc##M##N = svld1_gather_index(pg32, ptr_c0##N + 2 * M , off_vc);
#define LOAD_C_LOW(M, N) \
mc##M##N = svdup_f32(0); \
oc##M##N = svld1_gather_index(pg32_low, ptr_c0##N + 2 * M , off_vc);
#define LOAD_C_EVEN(M, N) \
mc##M##N = svdup_f32(0); \
oc##M##N = svld1_gather_index(pg32_even, ptr_c0##N + 2 * M , off_vc);
#define LOAD_C_FIRST(M, N) \
mc##M##N = svdup_f32(0); \
oc##M##N = svld1_gather_index(pg32_first, ptr_c0##N + 2 * M , off_vc);
#define STORE_C(M, N) \
mc##M##N = svmad_z(pg32, svalpha, mc##M##N, oc##M##N); \
svst1_scatter_index(pg32, ptr_c0##N + 2 * M, off_vc, mc##M##N);
#define STORE_C_LOW(M, N) \
mc##M##N = svmad_z(pg32_low, svalpha, mc##M##N, oc##M##N); \
svst1_scatter_index(pg32_low, ptr_c0##N + 2 * M, off_vc, mc##M##N);
#define STORE_C_EVEN(M, N) \
mc##M##N = svmad_z(pg32_even, svalpha, mc##M##N, oc##M##N); \
svst1_scatter_index(pg32_even, ptr_c0##N + 2 * M, off_vc, mc##M##N);
#define STORE_C_FIRST(M, N) \
mc##M##N = svmad_z(pg32_first, svalpha, mc##M##N, oc##M##N); \
svst1_scatter_index(pg32_first, ptr_c0##N + 2 * M, off_vc, mc##M##N);
#endif
#define LOAD_A(M) ma##M = svld1_bf16(pg16, ptr_a##M);
#define LOAD_B(N) mb##N = svld1_bf16(pg16, ptr_b##N);
#define MATMUL(M, N) mc##M##N = svbfmmla(mc##M##N, ma##M, mb##N);
#define LOAD_KREST_1(NAME, M) \
m##NAME##M = svdupq_bf16(*(ptr_##NAME##M), zero, zero, zero, \
*(ptr_##NAME##M + 1), zero, zero, zero);
#define LOAD_KREST_1_LOW(NAME, M) \
m##NAME##M = svdupq_bf16(*(ptr_##NAME##M), zero, zero, zero, zero, zero, \
zero, zero);
#define LOAD_KREST_2(NAME, M) \
m##NAME##M = \
svdupq_bf16(*(ptr_##NAME##M), *(ptr_##NAME##M + 1), zero, zero, \
*(ptr_##NAME##M + 2), *(ptr_##NAME##M + 3), zero, zero);
#define LOAD_KREST_2_LOW(NAME, M) \
m##NAME##M = svdupq_bf16(*(ptr_##NAME##M), *(ptr_##NAME##M + 1), zero, \
zero, zero, zero, zero, zero);
#define LOAD_KREST_3(NAME, M) \
m##NAME##M = \
svdupq_bf16(*(ptr_##NAME##M), *(ptr_##NAME##M + 1), \
*(ptr_##NAME##M + 2), zero, *(ptr_##NAME##M + 3), \
*(ptr_##NAME##M + 4), *(ptr_##NAME##M + 5), zero);
#define LOAD_KREST_3_LOW(NAME, M) \
m##NAME##M = \
svdupq_bf16(*(ptr_##NAME##M), *(ptr_##NAME##M + 1), \
*(ptr_##NAME##M + 2), zero, zero, zero, zero, zero);
#ifdef ALPHA_ONE
int sbgemm_kernel_neoversen2_alpha_one(BLASLONG m, BLASLONG n, BLASLONG k, FLOAT alpha, IFLOAT * A, IFLOAT * B, FLOAT * C, BLASLONG ldc)
#else
int sbgemm_kernel_neoversen2_alpha(BLASLONG m, BLASLONG n, BLASLONG k, FLOAT alpha, IFLOAT * A, IFLOAT * B, FLOAT * C, BLASLONG ldc)
#endif
{
bfloat16_t *ptr_a = (bfloat16_t *)A;
bfloat16_t *ptr_b = (bfloat16_t *)B;
FLOAT *ptr_c = C;
bfloat16_t *ptr_a0, *ptr_a1, *ptr_a2, *ptr_a3;
bfloat16_t *ptr_b0, *ptr_b1;
FLOAT *ptr_c00, *ptr_c01;
svbfloat16_t ma0, ma1, ma2, ma3, mb0, mb1;
svfloat32_t mc00, mc01, mc10, mc11, mc20, mc21, mc30, mc31;
#ifndef ALPHA_ONE
svfloat32_t oc00, oc01, oc10, oc11, oc20, oc21, oc30, oc31;
#endif
svbool_t pg16 = svptrue_b16();
svbool_t pg16_low = svdupq_b16(1, 1, 1, 1, 0, 0, 0, 0);
svbool_t pg32 = svptrue_b32();
svbool_t pg32_low = svdupq_b32(1, 1, 0, 0);
svbool_t pg32_even = svdupq_b32(1, 0, 1, 0);
svbool_t pg32_first = svdupq_b32(1, 0, 0, 0);
svfloat32_t svalpha = svdup_f32(alpha);
bfloat16 tmp = 0;
bfloat16_t zero = *((bfloat16_t *)&tmp);
BLASLONG krest = k & 3;
// 00 01 10 11
svuint32_t off_vc = svdupq_u32(0, (uint32_t)ldc, 1, (uint32_t)ldc + 1);
for (BLASLONG j = 0; j < n / 4; j++) {
ptr_c00 = ptr_c;
ptr_c01 = ptr_c + 2 * ldc;
ptr_c += 4 * ldc;
ptr_a = (bfloat16_t *)A;
for (BLASLONG i = 0; i < m / 8; i++) {
ptr_a0 = ptr_a;
ptr_a1 = ptr_a0 + 2 * k;
ptr_a2 = ptr_a1 + 2 * k;
ptr_a3 = ptr_a2 + 2 * k;
ptr_a += 8 * k;
ptr_b0 = ptr_b;
ptr_b1 = ptr_b0 + 2 * k;
LOAD_C(0, 0); LOAD_C(0, 1);
LOAD_C(1, 0); LOAD_C(1, 1);
LOAD_C(2, 0); LOAD_C(2, 1);
LOAD_C(3, 0); LOAD_C(3, 1);
for (BLASLONG p = 0; p < k / 4; p++) {
LOAD_A(0); LOAD_A(1); LOAD_A(2); LOAD_A(3);
LOAD_B(0); LOAD_B(1);
MATMUL(0, 0); MATMUL(0, 1);
MATMUL(1, 0); MATMUL(1, 1);
MATMUL(2, 0); MATMUL(2, 1);
MATMUL(3, 0); MATMUL(3, 1);
ptr_a0 += 8; ptr_a1 += 8; ptr_a2 += 8; ptr_a3 += 8;
ptr_b0 += 8; ptr_b1 += 8;
}
if (krest) {
if (krest == 1) {
LOAD_KREST_1(a, 0); LOAD_KREST_1(a, 1);
LOAD_KREST_1(a, 2); LOAD_KREST_1(a, 3);
LOAD_KREST_1(b, 0); LOAD_KREST_1(b, 1);
} else if (krest == 2) {
LOAD_KREST_2(a, 0); LOAD_KREST_2(a, 1);
LOAD_KREST_2(a, 2); LOAD_KREST_2(a, 3);
LOAD_KREST_2(b, 0); LOAD_KREST_2(b, 1);
} else if (krest == 3) {
LOAD_KREST_3(a, 0); LOAD_KREST_3(a, 1);
LOAD_KREST_3(a, 2); LOAD_KREST_3(a, 3);
LOAD_KREST_3(b, 0); LOAD_KREST_3(b, 1);
}
MATMUL(0, 0); MATMUL(0, 1);
MATMUL(1, 0); MATMUL(1, 1);
MATMUL(2, 0); MATMUL(2, 1);
MATMUL(3, 0); MATMUL(3, 1);
}
STORE_C(0, 0); STORE_C(0, 1);
STORE_C(1, 0); STORE_C(1, 1);
STORE_C(2, 0); STORE_C(2, 1);
STORE_C(3, 0); STORE_C(3, 1);
ptr_c00 += 8; ptr_c01 += 8;
}
if (m & 4) {
ptr_a0 = ptr_a;
ptr_a1 = ptr_a0 + 2 * k;
ptr_a += 4 * k;
ptr_b0 = ptr_b;
ptr_b1 = ptr_b0 + 2 * k;
LOAD_C(0, 0); LOAD_C(0, 1);
LOAD_C(1, 0); LOAD_C(1, 1);
for (BLASLONG p = 0; p < k / 4; p++) {
LOAD_A(0); LOAD_A(1);
LOAD_B(0); LOAD_B(1);
MATMUL(0, 0); MATMUL(0, 1);
MATMUL(1, 0); MATMUL(1, 1);
ptr_a0 += 8; ptr_a1 += 8;
ptr_b0 += 8; ptr_b1 += 8;
}
if (krest) {
if (krest == 1) {
LOAD_KREST_1(a, 0); LOAD_KREST_1(a, 1);
LOAD_KREST_1(b, 0); LOAD_KREST_1(b, 1);
} else if (krest == 2) {
LOAD_KREST_2(a, 0); LOAD_KREST_2(a, 1);
LOAD_KREST_2(b, 0); LOAD_KREST_2(b, 1);
} else if (krest == 3) {
LOAD_KREST_3(a, 0); LOAD_KREST_3(a, 1);
LOAD_KREST_3(b, 0); LOAD_KREST_3(b, 1);
}
MATMUL(0, 0); MATMUL(0, 1);
MATMUL(1, 0); MATMUL(1, 1);
}
STORE_C(0, 0); STORE_C(0, 1);
STORE_C(1, 0); STORE_C(1, 1);
ptr_c00 += 4; ptr_c01 += 4;
}
if (m & 2) {
ptr_a0 = ptr_a;
ptr_a += 2 * k;
ptr_b0 = ptr_b;
ptr_b1 = ptr_b0 + 2 * k;
LOAD_C(0, 0); LOAD_C(0, 1);
for (BLASLONG p = 0; p < k / 4; p++) {
LOAD_A(0);
LOAD_B(0); LOAD_B(1);
MATMUL(0, 0); MATMUL(0, 1);
ptr_a0 += 8;
ptr_b0 += 8; ptr_b1 += 8;
}
if (krest) {
if (krest == 1) {
LOAD_KREST_1(a, 0);
LOAD_KREST_1(b, 0); LOAD_KREST_1(b, 1);
} else if (krest == 2) {
LOAD_KREST_2(a, 0);
LOAD_KREST_2(b, 0); LOAD_KREST_2(b, 1);
} else if (krest == 3) {
LOAD_KREST_3(a, 0);
LOAD_KREST_3(b, 0); LOAD_KREST_3(b, 1);
}
MATMUL(0, 0); MATMUL(0, 1);
}
STORE_C(0, 0); STORE_C(0, 1);
ptr_c00 += 2; ptr_c01 += 2;
}
if (m & 1) {
ptr_a0 = ptr_a;
ptr_b0 = ptr_b;
ptr_b1 = ptr_b0 + 2 * k;
LOAD_C_LOW(0, 0); LOAD_C_LOW(0, 1);
for (BLASLONG p = 0; p < k / 4; p++) {
ma0 = svld1_bf16(pg16_low, ptr_a0);
LOAD_B(0); LOAD_B(1);
MATMUL(0, 0); MATMUL(0, 1);
ptr_a0 += 4;
ptr_b0 += 8;
ptr_b1 += 8;
}
if (krest) {
if (krest == 1) {
LOAD_KREST_1_LOW(a, 0);
LOAD_KREST_1(b, 0); LOAD_KREST_1(b, 1);
} else if (krest == 2) {
LOAD_KREST_2_LOW(a, 0);
LOAD_KREST_2(b, 0); LOAD_KREST_2(b, 1);
} else if (krest == 3) {
LOAD_KREST_3_LOW(a, 0);
LOAD_KREST_3(b, 0); LOAD_KREST_3(b, 1);
}
MATMUL(0, 0); MATMUL(0, 1);
}
STORE_C_LOW(0, 0); STORE_C_LOW(0, 1);
}
ptr_b += 4 * k;
}
if (n & 2) {
ptr_c00 = ptr_c;
ptr_c += 2 * ldc;
ptr_a = (bfloat16_t *)A;
for (BLASLONG i = 0; i < m / 8; i++) {
ptr_a0 = ptr_a;
ptr_a1 = ptr_a0 + 2 * k;
ptr_a2 = ptr_a1 + 2 * k;
ptr_a3 = ptr_a2 + 2 * k;
ptr_a += 8 * k;
ptr_b0 = ptr_b;
LOAD_C(0, 0);
LOAD_C(1, 0);
LOAD_C(2, 0);
LOAD_C(3, 0);
for (BLASLONG p = 0; p < k / 4; p++) {
LOAD_A(0); LOAD_A(1); LOAD_A(2); LOAD_A(3);
LOAD_B(0);
MATMUL(0, 0);
MATMUL(1, 0);
MATMUL(2, 0);
MATMUL(3, 0);
ptr_a0 += 8; ptr_a1 += 8; ptr_a2 += 8; ptr_a3 += 8;
ptr_b0 += 8;
}
if (krest) {
if (krest == 1) {
LOAD_KREST_1(a, 0); LOAD_KREST_1(a, 1);
LOAD_KREST_1(a, 2); LOAD_KREST_1(a, 3);
LOAD_KREST_1(b, 0);
} else if (krest == 2) {
LOAD_KREST_2(a, 0); LOAD_KREST_2(a, 1);
LOAD_KREST_2(a, 2); LOAD_KREST_2(a, 3);
LOAD_KREST_2(b, 0);
} else if (krest == 3) {
LOAD_KREST_3(a, 0); LOAD_KREST_3(a, 1);
LOAD_KREST_3(a, 2); LOAD_KREST_3(a, 3);
LOAD_KREST_3(b, 0);
}
MATMUL(0, 0);
MATMUL(1, 0);
MATMUL(2, 0);
MATMUL(3, 0);
}
STORE_C(0, 0);
STORE_C(1, 0);
STORE_C(2, 0);
STORE_C(3, 0);
ptr_c00 += 8;
}
if (m & 4) {
ptr_a0 = ptr_a;
ptr_a1 = ptr_a0 + 2 * k;
ptr_a += 4 * k;
ptr_b0 = ptr_b;
LOAD_C(0, 0);
LOAD_C(1, 0);
for (BLASLONG p = 0; p < k / 4; p++) {
LOAD_A(0); LOAD_A(1);
LOAD_B(0);
MATMUL(0, 0);
MATMUL(1, 0);
ptr_a0 += 8; ptr_a1 += 8;
ptr_b0 += 8;
}
if (krest) {
if (krest == 1) {
LOAD_KREST_1(a, 0); LOAD_KREST_1(a, 1);
LOAD_KREST_1(b, 0);
} else if (krest == 2) {
LOAD_KREST_2(a, 0); LOAD_KREST_2(a, 1);
LOAD_KREST_2(b, 0);
} else if (krest == 3) {
LOAD_KREST_3(a, 0); LOAD_KREST_3(a, 1);
LOAD_KREST_3(b, 0);
}
MATMUL(0, 0);
MATMUL(1, 0);
}
STORE_C(0, 0)
STORE_C(1, 0)
ptr_c00 += 4;
}
if (m & 2) {
ptr_a0 = ptr_a;
ptr_a += 2 * k;
ptr_b0 = ptr_b;
LOAD_C(0, 0);
for (BLASLONG p = 0; p < k / 4; p++) {
LOAD_A(0);
LOAD_B(0);
MATMUL(0, 0);
ptr_a0 += 8;
ptr_b0 += 8;
}
if (krest) {
if (krest == 1) {
LOAD_KREST_1(a, 0);
LOAD_KREST_1(b, 0);
} else if (krest == 2) {
LOAD_KREST_2(a, 0);
LOAD_KREST_2(b, 0);
} else if (krest == 3) {
LOAD_KREST_3(a, 0);
LOAD_KREST_3(b, 0);
}
MATMUL(0, 0);
}
STORE_C(0, 0);
ptr_c00 += 2;
}
if (m & 1) {
ptr_a0 = ptr_a;
ptr_b0 = ptr_b;
LOAD_C(0, 0);
for (BLASLONG p = 0; p < k / 4; p++) {
ma0 = svld1_bf16(pg16_low, ptr_a0);
LOAD_B(0);
MATMUL(0, 0);
ptr_a0 += 4;
ptr_b0 += 8;
}
if (krest) {
if (krest == 1) {
LOAD_KREST_1_LOW(a, 0);
LOAD_KREST_1(b, 0);
} else if (krest == 2) {
LOAD_KREST_2_LOW(a, 0);
LOAD_KREST_2(b, 0);
} else if (krest == 3) {
LOAD_KREST_3_LOW(a, 0);
LOAD_KREST_3(b, 0);
}
MATMUL(0, 0);
}
STORE_C_LOW(0, 0);
}
ptr_b += 2 * k;
}
if (n & 1) {
ptr_c00 = ptr_c;
ptr_a = (bfloat16_t *) A;
for (BLASLONG i = 0; i < m / 8; i++) {
ptr_a0 = ptr_a;
ptr_a1 = ptr_a0 + 2 * k;
ptr_a2 = ptr_a1 + 2 * k;
ptr_a3 = ptr_a2 + 2 * k;
ptr_a += 8 * k;
ptr_b0 = ptr_b;
LOAD_C_EVEN(0, 0);
LOAD_C_EVEN(1, 0);
LOAD_C_EVEN(2, 0);
LOAD_C_EVEN(3, 0);
for (BLASLONG p = 0; p < k / 4; p++) {
LOAD_A(0); LOAD_A(1); LOAD_A(2); LOAD_A(3);
mb0 = svld1_bf16(pg16_low, ptr_b0);
MATMUL(0, 0);
MATMUL(1, 0);
MATMUL(2, 0);
MATMUL(3, 0);
ptr_a0 += 8; ptr_a1 += 8; ptr_a2 += 8; ptr_a3 += 8;
ptr_b0 += 4;
}
if (krest) {
if (krest == 1) {
LOAD_KREST_1(a, 0); LOAD_KREST_1(a, 1);
LOAD_KREST_1(a, 2); LOAD_KREST_1(a, 3);
LOAD_KREST_1_LOW(b, 0);
} else if (krest == 2) {
LOAD_KREST_2(a, 0); LOAD_KREST_2(a, 1);
LOAD_KREST_2(a, 2); LOAD_KREST_2(a, 3);
LOAD_KREST_2_LOW(b, 0);
} else if (krest == 3) {
LOAD_KREST_3(a, 0); LOAD_KREST_3(a, 1);
LOAD_KREST_3(a, 2); LOAD_KREST_3(a, 3);
LOAD_KREST_3_LOW(b, 0);
}
MATMUL(0, 0);
MATMUL(1, 0);
MATMUL(2, 0);
MATMUL(3, 0);
}
STORE_C_EVEN(0, 0)
STORE_C_EVEN(1, 0);
STORE_C_EVEN(2, 0);
STORE_C_EVEN(3, 0);
ptr_c00 += 8;
}
if (m & 4) {
ptr_a0 = ptr_a;
ptr_a1 = ptr_a0 + 2 * k;
ptr_a += 4 * k;
ptr_b0 = ptr_b;
LOAD_C_EVEN(0, 0);
LOAD_C_EVEN(1, 0);
for (BLASLONG p = 0; p < k / 4; p++) {
LOAD_A(0); LOAD_A(1);
mb0 = svld1_bf16(pg16_low, ptr_b0);
MATMUL(0, 0);
MATMUL(1, 0);
ptr_a0 += 8; ptr_a1 += 8;
ptr_b0 += 4;
}
if (krest) {
if (krest == 1) {
LOAD_KREST_1(a, 0); LOAD_KREST_1(a, 1);
LOAD_KREST_1_LOW(b, 0);
} else if (krest == 2) {
LOAD_KREST_2(a, 0); LOAD_KREST_2(a, 1);
LOAD_KREST_2_LOW(b, 0);
} else if (krest == 3) {
LOAD_KREST_3(a, 0); LOAD_KREST_3(a, 1);
LOAD_KREST_3_LOW(b, 0);
}
MATMUL(0, 0);
MATMUL(1, 0);
}
STORE_C_EVEN(0, 0)
STORE_C_EVEN(1, 0)
ptr_c00 += 4;
}
if (m & 2) {
ptr_a0 = ptr_a;
ptr_a += 2 * k;
ptr_b0 = ptr_b;
LOAD_C_EVEN(0, 0);
for (BLASLONG p = 0; p < k / 4; p++) {
LOAD_A(0);
mb0 = svld1_bf16(pg16_low, ptr_b0);
MATMUL(0, 0);
ptr_a0 += 8;
ptr_b0 += 4;
}
if (krest) {
if (krest == 1) {
LOAD_KREST_1(a, 0);
LOAD_KREST_1_LOW(b, 0);
} else if (krest == 2) {
LOAD_KREST_2(a, 0);
LOAD_KREST_2_LOW(b, 0);
} else if (krest == 3) {
LOAD_KREST_3(a, 0);
LOAD_KREST_3_LOW(b, 0);
}
MATMUL(0, 0);
}
STORE_C_EVEN(0, 0);
ptr_c00 += 2;
}
if (m & 1) {
ptr_a0 = ptr_a;
ptr_b0 = ptr_b;
LOAD_C_FIRST(0, 0);
for (BLASLONG p = 0; p < k / 4; p++) {
ma0 = svld1_bf16(pg16_low, ptr_a0);
mb0 = svld1_bf16(pg16_low, ptr_b0);
MATMUL(0, 0);
ptr_a0 += 4;
ptr_b0 += 4;
}
if (krest) {
if (krest == 1) {
LOAD_KREST_1_LOW(a, 0);
LOAD_KREST_1_LOW(b, 0);
} else if (krest == 2) {
LOAD_KREST_2_LOW(a, 0);
LOAD_KREST_2_LOW(b, 0);
} else if (krest == 3) {
LOAD_KREST_3_LOW(a, 0);
LOAD_KREST_3_LOW(b, 0);
}
MATMUL(0, 0);
}
STORE_C_FIRST(0, 0);
}
}
return 0;
}

View File

@ -35,17 +35,11 @@ int CNAME(BLASLONG m, BLASLONG n, IFLOAT *a, BLASLONG lda, IFLOAT *b) {
a_offset = a;
b_offset = b;
BLASLONG m4 = m & ~3;
BLASLONG n2 = n & ~1;
BLASLONG j = 0;
for (; j < n2; j += 2) {
for (BLASLONG j = 0; j < n / 2; j++) {
a_offset1 = a_offset;
a_offset2 = a_offset1 + lda;
a_offset += 2 * lda;
BLASLONG i = 0;
for (; i < m4; i += 4) {
for (BLASLONG i = 0; i < m / 4; i++) {
*(b_offset + 0) = *(a_offset1 + 0);
*(b_offset + 1) = *(a_offset1 + 1);
*(b_offset + 2) = *(a_offset1 + 2);
@ -59,57 +53,49 @@ int CNAME(BLASLONG m, BLASLONG n, IFLOAT *a, BLASLONG lda, IFLOAT *b) {
a_offset2 += 4;
b_offset += 8;
}
if (i < m) {
BLASLONG rest = m & 3;
if (rest == 3) {
*(b_offset + 0) = *(a_offset1 + 0);
*(b_offset + 4) = *(a_offset2 + 0);
if (i + 1 < m) {
*(b_offset + 1) = *(a_offset1 + 1);
*(b_offset + 5) = *(a_offset2 + 1);
} else {
*(b_offset + 1) = 0;
*(b_offset + 5) = 0;
}
if (i + 2 < m) {
*(b_offset + 2) = *(a_offset1 + 2);
*(b_offset + 6) = *(a_offset2 + 2);
} else {
*(b_offset + 2) = 0;
*(b_offset + 6) = 0;
}
*(b_offset + 3) = 0;
*(b_offset + 7) = 0;
b_offset += 8;
*(b_offset + 1) = *(a_offset1 + 1);
*(b_offset + 2) = *(a_offset1 + 2);
*(b_offset + 3) = *(a_offset2 + 0);
*(b_offset + 4) = *(a_offset2 + 1);
*(b_offset + 5) = *(a_offset2 + 2);
b_offset += 6;
} else if (rest == 2) {
*(b_offset + 0) = *(a_offset1 + 0);
*(b_offset + 1) = *(a_offset1 + 1);
*(b_offset + 2) = *(a_offset2 + 0);
*(b_offset + 3) = *(a_offset2 + 1);
b_offset += 4;
} else if (rest == 1) {
*(b_offset + 0) = *(a_offset1 + 0);
*(b_offset + 1) = *(a_offset2 + 0);
b_offset += 2;
}
}
if (j < n) {
BLASLONG i = 0;
for (; i < m4; i += 4) {
if (n & 1) {
for (BLASLONG i = 0; i < m / 4; i++) {
*(b_offset + 0) = *(a_offset + 0);
*(b_offset + 1) = *(a_offset + 1);
*(b_offset + 2) = *(a_offset + 2);
*(b_offset + 3) = *(a_offset + 3);
*(b_offset + 4) = 0;
*(b_offset + 5) = 0;
*(b_offset + 6) = 0;
*(b_offset + 7) = 0;
a_offset += 4;
b_offset += 4;
}
if (i < m) {
*(b_offset + 4) = 0;
*(b_offset + 5) = 0;
*(b_offset + 6) = 0;
*(b_offset + 7) = 0;
b_offset += 4;
a_offset += 4;
}
BLASLONG rest = m & 3;
if (rest == 3) {
*(b_offset + 0) = *(a_offset + 0);
*(b_offset + 1) = *(a_offset + 1);
*(b_offset + 2) = *(a_offset + 2);
} else if (rest == 2) {
*(b_offset + 0) = *(a_offset + 0);
*(b_offset + 1) = *(a_offset + 1);
} else if (rest == 1) {
*(b_offset + 0) = *(a_offset + 0);
*(b_offset + 1) = (i + 1 < m) ? *(a_offset + 1) : 0;
*(b_offset + 2) = (i + 2 < m) ? *(a_offset + 2) : 0;
*(b_offset + 3) = 0;
}
}
return 0;
}

View File

@ -28,25 +28,21 @@
#include "common.h"
int CNAME(BLASLONG m, BLASLONG n, IFLOAT *a, BLASLONG lda, IFLOAT *b) {
IFLOAT *a_offset, *a_offset1, *a_offset2, *a_offset3, *a_offset4;
IFLOAT *b_offset;
a_offset = a;
b_offset = b;
BLASLONG m4 = m & ~3;
BLASLONG n2 = n & ~1;
BLASLONG j = 0;
for (; j < n2; j += 2) {
for (BLASLONG j = 0; j < n / 2; j++) {
a_offset1 = a_offset;
a_offset2 = a_offset1 + lda;
a_offset3 = a_offset2 + lda;
a_offset4 = a_offset3 + lda;
a_offset += 2;
BLASLONG i = 0;
for (; i < m4; i += 4) {
for (BLASLONG i = 0; i < m / 4; i++) {
*(b_offset + 0) = *(a_offset1 + 0);
*(b_offset + 1) = *(a_offset2 + 0);
*(b_offset + 2) = *(a_offset3 + 0);
@ -62,55 +58,50 @@ int CNAME(BLASLONG m, BLASLONG n, IFLOAT *a, BLASLONG lda, IFLOAT *b) {
a_offset3 += 4 * lda;
a_offset4 += 4 * lda;
}
if (i < m) { // padding 4
*(b_offset + 0) = *(a_offset1 + 0);
*(b_offset + 4) = *(a_offset1 + 1);
if (i + 1 < m) {
if (m & 3) {
BLASLONG rest = m & 3;
if (rest == 3) {
*(b_offset + 0) = *(a_offset1 + 0);
*(b_offset + 1) = *(a_offset2 + 0);
*(b_offset + 5) = *(a_offset2 + 1);
} else {
*(b_offset + 1) = 0;
*(b_offset + 5) = 0;
}
if (i + 2 < m) {
*(b_offset + 2) = *(a_offset3 + 0);
*(b_offset + 6) = *(a_offset3 + 1);
} else {
*(b_offset + 2) = 0;
*(b_offset + 6) = 0;
*(b_offset + 3) = *(a_offset1 + 1);
*(b_offset + 4) = *(a_offset2 + 1);
*(b_offset + 5) = *(a_offset3 + 1);
b_offset += 6;
} else if (rest == 2) {
*(b_offset + 0) = *(a_offset1 + 0);
*(b_offset + 1) = *(a_offset2 + 0);
*(b_offset + 2) = *(a_offset1 + 1);
*(b_offset + 3) = *(a_offset2 + 1);
b_offset += 4;
} else if (rest == 1) {
*(b_offset + 0) = *(a_offset1 + 0);
*(b_offset + 1) = *(a_offset1 + 1);
b_offset += 2;
}
*(b_offset + 3) = 0;
*(b_offset + 7) = 0;
b_offset += 8;
}
}
if (j < n) { // rest 1
BLASLONG i = 0;
for (; i < m4; i += 4) {
*(b_offset + 0) = *(a_offset + 0);
*(b_offset + 1) = *(a_offset + 1 * lda);
*(b_offset + 2) = *(a_offset + 2 * lda);
*(b_offset + 3) = *(a_offset + 3 * lda);
*(b_offset + 4) = 0;
*(b_offset + 5) = 0;
*(b_offset + 6) = 0;
*(b_offset + 7) = 0;
if (n & 1) {
for (BLASLONG i = 0; i < m / 4; i++) {
*(b_offset + 0) = *(a_offset);
*(b_offset + 1) = *(a_offset + lda);
*(b_offset + 2) = *(a_offset + lda * 2);
*(b_offset + 3) = *(a_offset + lda * 3);
b_offset += 4;
a_offset += 4 * lda;
}
if (i < m) {
*(b_offset + 4) = 0;
*(b_offset + 5) = 0;
*(b_offset + 6) = 0;
*(b_offset + 7) = 0;
*(b_offset + 0) = *(a_offset + 0);
*(b_offset + 1) = (i + 1 < m) ? *(a_offset + 1 * lda) : 0;
*(b_offset + 2) = (i + 2 < m) ? *(a_offset + 2 * lda) : 0;
*(b_offset + 3) = 0;
BLASLONG rest = m & 3;
if (rest == 3) {
*(b_offset + 0) = *(a_offset);
*(b_offset + 1) = *(a_offset + lda);
*(b_offset + 2) = *(a_offset + lda * 2);
} else if (rest == 2) {
*(b_offset + 0) = *(a_offset);
*(b_offset + 1) = *(a_offset + lda);
} else if (rest == 1) {
*(b_offset + 0) = *(a_offset);
}
}

View File

@ -3330,8 +3330,10 @@ is a big desktop or server with abundant cache rather than a phone or embedded d
#elif defined(NEOVERSEN2)
#define SBGEMM_DEFAULT_UNROOL_M 8
#define SBGEMM_DEFAULT_UNROOL_N 4
#undef SBGEMM_DEFAULT_UNROLL_M
#undef SBGEMM_DEFAULT_UNROLL_N
#define SBGEMM_DEFAULT_UNROLL_M 8
#define SBGEMM_DEFAULT_UNROLL_N 4
#define SGEMM_DEFAULT_UNROLL_M 16
#define SGEMM_DEFAULT_UNROLL_N 4