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

add generic bgemm kernel and its test file

pull/5287/head
Ye Tao 1 year ago
parent
2ef36a1b05
commit
abe9d38f74
5 changed files with 474 additions and 0 deletions
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. +38
    -0
      kernel/arm64/bgemm_beta.c
  2. +37
    -0
      kernel/arm64/bgemm_kernel.c
  3. +227
    -0
      kernel/generic/bgemmkernel_2x2.c
  4. +34
    -0
      kernel/generic/gemm_beta.c
  5. +138
    -0
      test/compare_sgemm_bgemm.c

+ 38
- 0
kernel/arm64/bgemm_beta.c View File

@@ -0,0 +1,38 @@
/***************************************************************************
* Copyright (c) 2025, 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"

#include <arm_neon.h>

int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT beta, IFLOAT *dummy2,
BLASLONG dummy3, IFLOAT *dummy4, BLASLONG dummy5, FLOAT *c,
BLASLONG ldc) {
printf("running bgemm_beta...\n");
return 0;
};

+ 37
- 0
kernel/arm64/bgemm_kernel.c View File

@@ -0,0 +1,37 @@
/***************************************************************************
* Copyright (c) 2025, 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_neon.h>
#include "common.h"

int CNAME(BLASLONG m, BLASLONG n, BLASLONG k, bfloat16 alpha, IFLOAT *A, IFLOAT *B,
FLOAT *C, BLASLONG ldc) {
printf("running bgemm_kernel...\n");
return 0;
}


+ 227
- 0
kernel/generic/bgemmkernel_2x2.c View File

@@ -0,0 +1,227 @@
/***************************************************************************
* Copyright (c) 2025, 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"

static float bfloat16tof32(bfloat16 f16) {
float result = 0;
unsigned short *q = (unsigned short *)(&result);
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
q[0] = f16;
#else
q[1] = f16;
#endif
return result;
}

static bfloat16 f32tobfloat16(float f32) {
unsigned short *q = (unsigned short *)(&f32);
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
return q[0];
#else
return q[1];
#endif
}

#define BF16TOF32(x) (bfloat16tof32(x))
#define F32TOBF16(x) (f32tobfloat16(x))

int CNAME(BLASLONG bm, BLASLONG bn, BLASLONG bk, FLOAT alpha, IFLOAT *ba,
IFLOAT *bb, FLOAT *C, BLASLONG ldc) {
BLASLONG i, j, k;
FLOAT *C0, *C1; // bfloat16
IFLOAT *ptrba, *ptrbb;
float res0, res1, res2, res3;
float load0, load1, load2, load3, load4, load5, load6, load7;

float alpha_ = BF16TOF32(alpha);

for (j = 0; j < bn / 2; j += 1) {
C0 = C;
C1 = C0 + ldc;
ptrba = ba;
for (i = 0; i < bm / 2; i += 1) {
ptrbb = bb;
res0 = 0;
res1 = 0;
res2 = 0;
res3 = 0;
for (k = 0; k < bk / 4; k += 1) {
load0 = BF16TOF32(ptrba[2 * 0 + 0]);
load2 = BF16TOF32(ptrba[2 * 0 + 1]);
load4 = BF16TOF32(ptrba[2 * 1 + 0]);
load6 = BF16TOF32(ptrba[2 * 1 + 1]);

load1 = BF16TOF32(ptrbb[2 * 0 + 0]);
load3 = BF16TOF32(ptrbb[2 * 0 + 1]);
load5 = BF16TOF32(ptrbb[2 * 1 + 0]);
load7 = BF16TOF32(ptrbb[2 * 1 + 1]);

res0 = res0 + load0 * load1;
res1 = res1 + load2 * load1;
res2 = res2 + load0 * load3;
res3 = res3 + load2 * load3;

res0 = res0 + load4 * load5;
res1 = res1 + load6 * load5;
res2 = res2 + load4 * load7;
res3 = res3 + load6 * load7;

load0 = BF16TOF32(ptrba[2 * 2 + 0]);
load2 = BF16TOF32(ptrba[2 * 2 + 1]);
load4 = BF16TOF32(ptrba[2 * 3 + 0]);
load6 = BF16TOF32(ptrba[2 * 3 + 1]);

load1 = BF16TOF32(ptrbb[2 * 2 + 0]);
load3 = BF16TOF32(ptrbb[2 * 2 + 1]);
load5 = BF16TOF32(ptrbb[2 * 3 + 0]);
load7 = BF16TOF32(ptrbb[2 * 3 + 1]);

res0 = res0 + load0 * load1;
res1 = res1 + load2 * load1;
res2 = res2 + load0 * load3;
res3 = res3 + load2 * load3;

res0 = res0 + load4 * load5;
res1 = res1 + load6 * load5;
res2 = res2 + load4 * load7;
res3 = res3 + load6 * load7;
}

for (k = 0; k < (bk & 3); k += 1) {
load0 = BF16TOF32(ptrba[2 * 0 + 0]);
load2 = BF16TOF32(ptrba[2 * 0 + 1]);
load1 = BF16TOF32(ptrbb[2 * 0 + 0]);
load3 = BF16TOF32(ptrbb[2 * 0 + 1]);

res0 = res0 + load0 * load1;
res1 = res1 + load2 * load1;
res2 = res2 + load0 * load3;
res3 = res3 + load2 * load3;

ptrba = ptrba + 2;
ptrbb = ptrbb + 2;
}

res0 = res0 * alpha_ + BF16TOF32(C0[0]);
res1 = res1 * alpha_ + BF16TOF32(C0[1]);
res2 = res2 * alpha_ + BF16TOF32(C1[0]);
res3 = res3 * alpha_ + BF16TOF32(C1[1]);

C0[0] = F32TOBF16(res0);
C0[1] = F32TOBF16(res1);
C1[0] = F32TOBF16(res2);
C1[1] = F32TOBF16(res3);

C0 = C0 + 2;
C1 = C1 + 2;
}

for (i = 0; i < (bm & 1); i += 1) {
ptrbb = bb;
res0 = 0;
res1 = 0;
for (k = 0; k < bk; k += 1) {
load0 = BF16TOF32(ptrba[0 + 0]);
load1 = BF16TOF32(ptrbb[2 * 0 + 0]);
load2 = BF16TOF32(ptrbb[2 * 0 + 1]);

res0 = res0 + load0 * load1;
res1 = res1 + load0 * load2;

ptrba = ptrba + 1;
ptrbb = ptrbb + 2;
}

res0 = res0 * alpha_ + BF16TOF32(C0[0]);
res1 = res1 * alpha_ + BF16TOF32(C1[0]);

C0[0] = res0;
C1[0] = res1;

C0 = C0 + 1;
C1 = C1 + 1;
}

k = (bk << 1);
bb = bb + k;
i = (ldc << 1);
C = C + i;
}

for (j = 0; j < (bn & 1); j += 1) {
C0 = C;
ptrba = ba;
for (i = 0; i < bm / 2; i += 1) {
ptrbb = bb;
res0 = 0;
res1 = 0;
for (k = 0; k < bk; k += 1) {
load0 = BF16TOF32(ptrba[2 * 0 + 0]);
load2 = BF16TOF32(ptrba[2 * 0 + 1]);

load1 = BF16TOF32(ptrbb[0 + 0]);

res0 = res0 + load0 * load1;
res1 = res1 + load2 * load1;

ptrba = ptrba + 2;
ptrbb = ptrbb + 1;
}

res0 = res0 * alpha_ + BF16TOF32(C0[0]);
res1 = res1 * alpha_ + BF16TOF32(C0[1]);

C0[0] = F32TOBF16(res0);
C0[1] = F32TOBF16(res1);
C0 = C0 + 2;
}

for (i = 0; i < (bm & 1); i += 1) {
ptrbb = bb;
res0 = 0;
for (k = 0; k < bk; k += 1) {
load0 = BF16TOF32(ptrba[0 + 0]);
load1 = BF16TOF32(ptrbb[0 + 0]);
res0 += load0 * load1;
ptrba = ptrba + 1;
ptrbb = ptrbb + 1;
}

res0 = res0 * alpha_ + BF16TOF32(C0[0]);
C0[0] = F32TOBF16(res0);
C0 = C0 + 1;
}

k = (bk << 0);
bb = bb + k;
C = C + ldc;
}

return 0;
}

+ 34
- 0
kernel/generic/gemm_beta.c View File

@@ -1,5 +1,6 @@
/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin. */
/* Copyright 2025 The OpenBLAS Project. */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or */
@@ -38,6 +39,39 @@

#include "common.h"

#if (defined(BFLOAT16) || defined(BFLOAT16_ONLY)) && defined(BFLOAT16CONVERSION)
static float
bfloat16tof32 (bfloat16 f16)
{
float result = 0;
unsigned short* q = (unsigned short*)(&result);
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
q[0] = f16;
#else
q[1] = f16;
#endif
return result;
}

static bfloat16
f32tobfloat16(float f32)
{
unsigned short* q = (unsigned short*)(&f32);
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
return q[0];
#else
return q[1];
#endif
}

#define BF16TOF32(x) (bfloat16tof32(x))
#define F32TOBF16(x) (f32tobfloat16(x))
#else
#define BF16TOF32(x) x
#define F32TOBF16(x) x
#endif


int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT beta,
IFLOAT *dummy2, BLASLONG dummy3, IFLOAT *dummy4, BLASLONG dummy5,
FLOAT *c, BLASLONG ldc){


+ 138
- 0
test/compare_sgemm_bgemm.c View File

@@ -0,0 +1,138 @@
/***************************************************************************
Copyright (c) 2025 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"
#include <stdint.h>
#include <stdio.h>

#include <arm_neon.h>

#define SGEMM BLASFUNC(sgemm)
#define BGEMM BLASFUNC(bgemm)
#define BGEMM_LARGEST 256

void *malloc_safe(size_t size) {
if (size == 0)
return malloc(1);
else
return malloc(size);
}

bfloat16 convert_to_bf16(float x) {
bfloat16_t src = x;
bfloat16 dst = 0;
memcpy(&dst, &src, sizeof(src));
return dst;
}

int main(int argc, char *argv[]) {
blasint m, n, k;
int i, j, l;
blasint x, y;
int ret = 0;
int loop = BGEMM_LARGEST;
char transA = 'N', transB = 'N';

float alpha = 1.0, beta = 0.0;
bfloat16 alpha_bf16 = convert_to_bf16(alpha),
beta_bf16 = convert_to_bf16(beta);

for (x = 1; x <= BGEMM_LARGEST; x++) {
if ((x > 100) && (x != BGEMM_LARGEST))
continue;
m = k = n = x;

float *A = (float *)malloc_safe(m * k * sizeof(FLOAT));
float *B = (float *)malloc_safe(k * n * sizeof(FLOAT));
float *C = (float *)malloc_safe(m * n * sizeof(FLOAT));

bfloat16_t *AA = (bfloat16_t *)malloc_safe(m * k * sizeof(bfloat16));
bfloat16_t *BB = (bfloat16_t *)malloc_safe(k * n * sizeof(bfloat16));
bfloat16_t *CC = (bfloat16_t *)malloc_safe(m * n * sizeof(bfloat16));

if ((A == NULL) || (B == NULL) || (C == NULL) || (AA == NULL) ||
(BB == NULL) || (CC == NULL))
return 1;

for (int i = 0; i < m; i++) {
for (int j = 0; j < k; j++) {
AA[i * k + j] = (i * k + j + 1) % 100;
A[i * k + j] = AA[i * k + j];
}
}

for (int i = 0; i < n; i++) {
for (int j = 0; j < k; j++) {
BB[i * k + j] = (i * k + j + 1) % 100;
B[i * k + j] = BB[i * k + j];
}
}

for (y = 0; y < 1; y++) {
if ((y == 0) || (y == 2)) {
transA = 'N';
} else {
transA = 'T';
}
if ((y == 0) || (y == 1)) {
transB = 'N';
} else {
transB = 'T';
}

memset(C, 0, m * n * sizeof(FLOAT));
memset(CC, 0, m * n * sizeof(bfloat16));
SGEMM(&transA, &transB, &m, &n, &k, &alpha_bf16, A, &m, B, &k, &beta_bf16,
C, &m);
BGEMM(&transA, &transB, &m, &n, &k, &alpha, (bfloat16 *)AA, &m,
(bfloat16 *)BB, &k, &beta, (bfloat16 *)CC, &m);

for (i = 0; i < n; i++) {
for (j = 0; j < m; j++) {
for (l = 0; l < k; l++) {
if (fabs(CC[i * m + j] - C[i * m + j]) > 1.0) {
ret++;
}
}
}
}
}

free(A);
free(B);
free(C);
free(AA);
free(BB);
free(CC);
}

if (ret != 0) {
fprintf(stderr, "FATAL ERROR BGEMM - Return code: %d\n", ret);
return ret;
}

return 0;
}

Write Preview
Loading…
Cancel
Save