OSchip
/
OpenBLAS
Not watched
1
0
Fork 0
Code
Releases 66 Wiki evaluate Activity
Issues 0 Pull Requests 0 Datasets Model Cloudbrain HPC
Browse Source

neoverse n2 sbgemm: 

implement ncopy tcopy kernel_8x4
tags/v0.3.21
Honglin Zhu 3 years ago
parent
04593bb27c
commit
55d686d41e
7 changed files with 485 additions and 36 deletions
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. +1
    -1
      Makefile.arm64
  2. +1
    -1
      kernel/arm64/KERNEL.NEOVERSEN2
  3. +314
    -0
      kernel/arm64/sbgemm_kernel_8x4_neoversen2.c
  4. +0
    -34
      kernel/arm64/sbgemm_kernel_neoversen2.c
  5. +82
    -0
      kernel/arm64/sbgemm_ncopy_neoversen2.c
  6. +84
    -0
      kernel/arm64/sbgemm_tcopy_neoversen2.c
  7. +3
    -0
      param.h

+ 1
- 1
Makefile.arm64 View File

@@ -121,7 +121,7 @@ ifeq ($(CORE), NEOVERSEN2)
ifeq (1, $(filter 1,$(GCCVERSIONGTEQ7) $(ISCLANG)))
ifeq ($(GCCVERSIONGTEQ9), 1)
ifeq (1, $(filter 1,$(GCCMINORVERSIONGTEQ4) $(GCCVERSIONGTEQ10)))
CCOMMON_OPT += -march=armv8.5-a -mtune=neoverse-n2
CCOMMON_OPT += -march=armv8.5-a+sve+sve2+bf16 -mtune=neoverse-n2
ifneq ($(F_COMPILER), NAG)
FCOMMON_OPT += -march=armv8.5-a -mtune=neoverse-n2
endif


+ 1
- 1
kernel/arm64/KERNEL.NEOVERSEN2 View File

@@ -189,7 +189,7 @@ ZGEMMONCOPYOBJ = zgemm_oncopy$(TSUFFIX).$(SUFFIX)
ZGEMMOTCOPYOBJ = zgemm_otcopy$(TSUFFIX).$(SUFFIX)

SBGEMM_BETA = sbgemm_beta_neoversen2.c
SBGEMMKERNEL = sbgemm_kernel_neoversen2.c
SBGEMMKERNEL = sbgemm_kernel_$(SBGEMM_UNROLL_M)x$(SBGEMM_UNROLL_N)_neoversen2.c
SBGEMMINCOPY = sbgemm_ncopy_neoversen2.c
SBGEMMITCOPY = sbgemm_tcopy_neoversen2.c
SBGEMMONCOPY = sbgemm_ncopy_neoversen2.c


+ 314
- 0
kernel/arm64/sbgemm_kernel_8x4_neoversen2.c View File

@@ -0,0 +1,314 @@
/***************************************************************************
* 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"

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++;
}
}
return 0;
}

+ 0
- 34
kernel/arm64/sbgemm_kernel_neoversen2.c View File

@@ -1,34 +0,0 @@
/***************************************************************************
* 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 "common.h"

int CNAME(BLASLONG m, BLASLONG n, BLASLONG k, FLOAT alpha, IFLOAT *A, IFLOAT *B,
FLOAT *C, BLASLONG ldc) {
return 0;
}

+ 82
- 0
kernel/arm64/sbgemm_ncopy_neoversen2.c View File

@@ -29,5 +29,87 @@
#include "common.h"

int CNAME(BLASLONG m, BLASLONG n, IFLOAT *a, BLASLONG lda, IFLOAT *b) {
IFLOAT *a_offset, *a_offset1, *a_offset2;
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) {
a_offset1 = a_offset;
a_offset2 = a_offset1 + lda;
a_offset += 2 * lda;

BLASLONG i = 0;
for (; i < m4; i += 4) {
*(b_offset + 0) = *(a_offset1 + 0);
*(b_offset + 1) = *(a_offset1 + 1);
*(b_offset + 2) = *(a_offset1 + 2);
*(b_offset + 3) = *(a_offset1 + 3);
*(b_offset + 4) = *(a_offset2 + 0);
*(b_offset + 5) = *(a_offset2 + 1);
*(b_offset + 6) = *(a_offset2 + 2);
*(b_offset + 7) = *(a_offset2 + 3);

a_offset1 += 4;
a_offset2 += 4;
b_offset += 8;
}
if (i < m) {
*(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;
}
}
if (j < n) {
BLASLONG i = 0;
for (; i < m4; i += 4) {
*(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 += 8;
}
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) : 0;
*(b_offset + 2) = (i + 2 < m) ? *(a_offset + 2) : 0;
*(b_offset + 3) = 0;
}
}
return 0;
}

+ 84
- 0
kernel/arm64/sbgemm_tcopy_neoversen2.c View File

@@ -29,5 +29,89 @@
#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) {
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) {
*(b_offset + 0) = *(a_offset1 + 0);
*(b_offset + 1) = *(a_offset2 + 0);
*(b_offset + 2) = *(a_offset3 + 0);
*(b_offset + 3) = *(a_offset4 + 0);
*(b_offset + 4) = *(a_offset1 + 1);
*(b_offset + 5) = *(a_offset2 + 1);
*(b_offset + 6) = *(a_offset3 + 1);
*(b_offset + 7) = *(a_offset4 + 1);

b_offset += 8;
a_offset1 += 4 * lda;
a_offset2 += 4 * lda;
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) {
*(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) = 0;
*(b_offset + 7) = 0;
b_offset += 8;
}
}
if (j < n) { // padding 2
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;
b_offset += 8;
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;
}
}
return 0;
}

+ 3
- 0
param.h View File

@@ -3330,6 +3330,9 @@ 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

#define SGEMM_DEFAULT_UNROLL_M 16
#define SGEMM_DEFAULT_UNROLL_N 4



Write Preview
Loading…
Cancel
Save