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Move benchmarks to MainMemory subdirectory

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This commit is contained in:
Jan Eitzinger
2019-06-29 10:24:53 +02:00
parent 6d1012f71e
commit df88c45a4c
21 changed files with 0 additions and 0 deletions
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89
src/affinity.c
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/*
* =======================================================================================
*
* Author: Jan Eitzinger (je), jan.treibig@gmail.com
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* =======================================================================================
*/
#ifdef __linux__
#ifdef _OPENMP
#include <stdlib.h>
#include <stdio.h>
#include <sched.h>
#include <unistd.h>
#include <sys/types.h>
#include <pthread.h>
#include <sys/syscall.h>
#define MAX_NUM_THREADS 128
#define gettid() syscall(SYS_gettid)
static int
getProcessorID(cpu_set_t* cpu_set)
{
int processorId;
for ( processorId = 0; processorId < MAX_NUM_THREADS; processorId++ )
{
if ( CPU_ISSET(processorId,cpu_set) )
{
break;
}
}
return processorId;
}
int
affinity_getProcessorId()
{
cpu_set_t cpu_set;
CPU_ZERO(&cpu_set);
sched_getaffinity(gettid(),sizeof(cpu_set_t), &cpu_set);
return getProcessorID(&cpu_set);
}
void
affinity_pinThread(int processorId)
{
cpu_set_t cpuset;
pthread_t thread;
thread = pthread_self();
CPU_ZERO(&cpuset);
CPU_SET(processorId, &cpuset);
pthread_setaffinity_np(thread, sizeof(cpu_set_t), &cpuset);
}
void
affinity_pinProcess(int processorId)
{
cpu_set_t cpuset;
CPU_ZERO(&cpuset);
CPU_SET(processorId, &cpuset);
sched_setaffinity(0, sizeof(cpu_set_t), &cpuset);
}
#endif /*__linux__*/
#endif /*_OPENMP*/

58
src/allocate.c
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/*
* =======================================================================================
*
* Author: Jan Eitzinger (je), jan.treibig@gmail.com
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* =======================================================================================
*/
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
void* allocate (int alignment, size_t bytesize)
{
int errorCode;
void* ptr;
errorCode = posix_memalign(&ptr, alignment, bytesize);
if (errorCode) {
if (errorCode == EINVAL) {
fprintf(stderr,
"Error: Alignment parameter is not a power of two\n");
exit(EXIT_FAILURE);
}
if (errorCode == ENOMEM) {
fprintf(stderr,
"Error: Insufficient memory to fulfill the request\n");
exit(EXIT_FAILURE);
}
}
if (ptr == NULL) {
fprintf(stderr, "Error: posix_memalign failed!\n");
exit(EXIT_FAILURE);
}
return ptr;
}

46
src/copy.c
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/*
* =======================================================================================
*
* Author: Jan Eitzinger (je), jan.treibig@gmail.com
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* =======================================================================================
*/
#include <timing.h>
double copy(
double * restrict a,
double * restrict b,
int N
)
{
double S, E;
S = getTimeStamp();
#pragma omp parallel for
for (int i=0; i<N; i++) {
a[i] = b[i];
}
E = getTimeStamp();
return E-S;
}

47
src/daxpy.c
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/*
* =======================================================================================
*
* Author: Jan Eitzinger (je), jan.treibig@gmail.com
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* =======================================================================================
*/
#include <timing.h>
double daxpy(
double * restrict a,
double * restrict b,
double scalar,
int N
)
{
double S, E;
S = getTimeStamp();
#pragma omp parallel for
for (int i=0; i<N; i++) {
a[i] = a[i] + scalar * b[i];
}
E = getTimeStamp();
return E-S;
}

36
src/includes/affinity.h
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/*
* =======================================================================================
*
* Author: Jan Eitzinger (je), jan.treibig@gmail.com
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* =======================================================================================
*/
#ifndef AFFINITY_H
#define AFFINITY_H
extern int affinity_getProcessorId();
extern void affinity_pinProcess(int);
extern void affinity_pinThread(int);
#endif /*AFFINITY_H*/

33
src/includes/allocate.h
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/*
* =======================================================================================
*
* Author: Jan Eitzinger (je), jan.treibig@gmail.com
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* =======================================================================================
*/
#ifndef __ALLOCATE_H_
#define __ALLOCATE_H_
extern void* allocate (int alignment, size_t bytesize);
#endif

35
src/includes/timing.h
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/*
* =======================================================================================
*
* Author: Jan Eitzinger (je), jan.treibig@gmail.com
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* =======================================================================================
*/
#ifndef __TIMING_H_
#define __TIMING_H_
extern double getTimeStamp();
extern double getTimeResolution();
extern double getTimeStamp_();
#endif

46
src/init.c
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/*
* =======================================================================================
*
* Author: Jan Eitzinger (je), jan.treibig@gmail.com
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* =======================================================================================
*/
#include <timing.h>
double init(
double * restrict a,
double scalar,
int N
)
{
double S, E;
S = getTimeStamp();
#pragma omp parallel for
for (int i=0; i<N; i++) {
a[i] = scalar;
}
E = getTimeStamp();
return E-S;
}

283
src/main.c
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/*
* =======================================================================================
*
* Author: Jan Eitzinger (je), jan.treibig@gmail.com
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* =======================================================================================
*/
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <limits.h>
#include <float.h>
#ifdef _OPENMP
#include <omp.h>
#endif
#include <timing.h>
#include <allocate.h>
#include <affinity.h>
#define HLINE "----------------------------------------------------------------------------\n"
#ifndef MIN
#define MIN(x,y) ((x)<(y)?(x):(y))
#endif
#ifndef MAX
#define MAX(x,y) ((x)>(y)?(x):(y))
#endif
#ifndef ABS
#define ABS(a) ((a) >= 0 ? (a) : -(a))
#endif
typedef enum benchmark {
INIT = 0,
SUM,
COPY,
UPDATE,
TRIAD,
DAXPY,
STRIAD,
SDAXPY,
NUMBENCH
} benchmark;
typedef struct {
char* label;
int words;
int flops;
} benchmarkType;
extern double init(double*, double, int);
extern double sum(double*, int);
extern double copy(double*, double*, int);
extern double update(double*, double, int);
extern double triad(double*, double*, double*, double, int);
extern double daxpy(double*, double*, double, int);
extern double striad(double*, double*, double*, double*, int);
extern double sdaxpy(double*, double*, double*, int);
void check(double*, double*, double*, double*, int);
int main (int argc, char** argv)
{
size_t bytesPerWord = sizeof(double);
size_t N = SIZE;
double *a, *b, *c, *d;
double scalar, tmp;
double E, S;
double avgtime[NUMBENCH],
maxtime[NUMBENCH],
mintime[NUMBENCH];
double times[NUMBENCH][NTIMES];
benchmarkType benchmarks[NUMBENCH] = {
{"Init: ", 1, 0},
{"Sum: ", 1, 1},
{"Copy: ", 2, 0},
{"Update: ", 2, 1},
{"Triad: ", 3, 2},
{"Daxpy: ", 3, 2},
{"STriad: ", 4, 2},
{"SDaxpy: ", 4, 2}
};
a = (double*) allocate( ARRAY_ALIGNMENT, N * bytesPerWord );
b = (double*) allocate( ARRAY_ALIGNMENT, N * bytesPerWord );
c = (double*) allocate( ARRAY_ALIGNMENT, N * bytesPerWord );
d = (double*) allocate( ARRAY_ALIGNMENT, N * bytesPerWord );
printf(HLINE);
printf ("Total allocated datasize: %8.2f MB\n", 4.0 * bytesPerWord * N * 1.0E-06);
for (int i=0; i<NUMBENCH; i++) {
#ifdef VERBOSE_DATASIZE
printf ("\t%s: %8.2f MB\n", benchmarks[i].label, benchmarks[i].words * bytesPerWord * N * 1.0E-06);
#endif
avgtime[i] = 0;
maxtime[i] = 0;
mintime[i] = FLT_MAX;
}
#ifdef _OPENMP
printf(HLINE);
#pragma omp parallel
{
int k = omp_get_num_threads();
int i = omp_get_thread_num();
#pragma omp single
printf ("OpenMP enabled, running with %d threads\n", k);
#ifdef VERBOSE_AFFINITY
printf ("\tThread %d running on processor %d\n", i, affinity_getProcessorId());
#endif
}
#endif
S = getTimeStamp();
#pragma omp parallel for
for (int i=0; i<N; i++) {
a[i] = 2.0;
b[i] = 2.0;
c[i] = 0.5;
d[i] = 1.0;
}
E = getTimeStamp();
#ifdef VERBOSE_TIMER
printf ("Timer resolution %.2e ", getTimeResolution());
printf ("Ticks used %.0e\n", (E-S) / getTimeResolution());
#endif
scalar = 3.0;
for ( int k=0; k < NTIMES; k++) {
times[INIT][k] = init(b, scalar, N);
tmp = a[10];
times[SUM][k] = sum(a, N);
a[10] = tmp;
times[COPY][k] = copy(c, a, N);
times[UPDATE][k] = update(a, scalar, N);
times[TRIAD][k] = triad(a, b, c, scalar, N);
times[DAXPY][k] = daxpy(a, b, scalar, N);
times[STRIAD][k] = striad(a, b, c, d, N);
times[SDAXPY][k] = sdaxpy(a, b, c, N);
}
for (int j=0; j<NUMBENCH; j++) {
for (int k=1; k<NTIMES; k++) {
avgtime[j] = avgtime[j] + times[j][k];
mintime[j] = MIN(mintime[j], times[j][k]);
maxtime[j] = MAX(maxtime[j], times[j][k]);
}
}
printf(HLINE);
printf("Function Rate(MB/s) Rate(MFlop/s) Avg time Min time Max time\n");
for (int j=0; j<NUMBENCH; j++) {
avgtime[j] = avgtime[j]/(double)(NTIMES-1);
double bytes = (double) benchmarks[j].words * sizeof(double) * N;
double flops = (double) benchmarks[j].flops * N;
if (flops > 0){
printf("%s%11.2f %11.2f %11.4f %11.4f %11.4f\n", benchmarks[j].label,
1.0E-06 * bytes/mintime[j],
1.0E-06 * flops/mintime[j],
avgtime[j],
mintime[j],
maxtime[j]);
} else {
printf("%s%11.2f - %11.4f %11.4f %11.4f\n", benchmarks[j].label,
1.0E-06 * bytes/mintime[j],
avgtime[j],
mintime[j],
maxtime[j]);
}
}
printf(HLINE);
check(a, b, c, d, N);
return EXIT_SUCCESS;
}
void check(
double * a,
double * b,
double * c,
double * d,
int N
)
{
double aj, bj, cj, dj, scalar;
double asum, bsum, csum, dsum;
double epsilon;
/* reproduce initialization */
aj = 2.0;
bj = 2.0;
cj = 0.5;
dj = 1.0;
/* now execute timing loop */
scalar = 3.0;
for (int k=0; k<NTIMES; k++) {
bj = scalar;
cj = aj;
aj = aj * scalar;
aj = bj + scalar * cj;
aj = aj + scalar * bj;
aj = bj + cj * dj;
aj = aj + bj * cj;
}
aj = aj * (double) (N);
bj = bj * (double) (N);
cj = cj * (double) (N);
dj = dj * (double) (N);
asum = 0.0; bsum = 0.0; csum = 0.0; dsum = 0.0;
for (int i=0; i<N; i++) {
asum += a[i];
bsum += b[i];
csum += c[i];
dsum += d[i];
}
#ifdef VERBOSE
printf ("Results Comparison: \n");
printf (" Expected : %f %f %f \n",aj,bj,cj);
printf (" Observed : %f %f %f \n",asum,bsum,csum);
#endif
epsilon = 1.e-8;
if (ABS(aj-asum)/asum > epsilon) {
printf ("Failed Validation on array a[]\n");
printf (" Expected : %f \n",aj);
printf (" Observed : %f \n",asum);
}
else if (ABS(bj-bsum)/bsum > epsilon) {
printf ("Failed Validation on array b[]\n");
printf (" Expected : %f \n",bj);
printf (" Observed : %f \n",bsum);
}
else if (ABS(cj-csum)/csum > epsilon) {
printf ("Failed Validation on array c[]\n");
printf (" Expected : %f \n",cj);
printf (" Observed : %f \n",csum);
}
else if (ABS(dj-dsum)/dsum > epsilon) {
printf ("Failed Validation on array d[]\n");
printf (" Expected : %f \n",dj);
printf (" Observed : %f \n",dsum);
}
else {
printf ("Solution Validates\n");
}
}

47
src/sdaxpy.c
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/*
* =======================================================================================
*
* Author: Jan Eitzinger (je), jan.treibig@gmail.com
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* =======================================================================================
*/
#include <timing.h>
double sdaxpy(
double * restrict a,
double * restrict b,
double * restrict c,
int N
)
{
double S, E;
S = getTimeStamp();
#pragma omp parallel for
for (int i=0; i<N; i++) {
a[i] = a[i] + b[i] * c[i];
}
E = getTimeStamp();
return E-S;
}

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src/striad.c
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/*
* =======================================================================================
*
* Author: Jan Eitzinger (je), jan.treibig@gmail.com
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* =======================================================================================
*/
#include <timing.h>
double striad(
double * restrict a,
double * restrict b,
double * restrict c,
double * restrict d,
int N
)
{
double S, E;
S = getTimeStamp();
#pragma omp parallel for
for (int i=0; i<N; i++) {
a[i] = b[i] + d[i] * c[i];
}
E = getTimeStamp();
return E-S;
}

49
src/sum.c
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/*
* =======================================================================================
*
* Author: Jan Eitzinger (je), jan.treibig@gmail.com
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* =======================================================================================
*/
#include <timing.h>
double sum(
double * restrict a,
int N
)
{
double S, E;
double sum = 0.0;
S = getTimeStamp();
#pragma omp parallel for reduction(+:sum)
for (int i=0; i<N; i++) {
sum += a[i];
}
E = getTimeStamp();
/* make the compiler think this makes actually sense */
a[10] = sum;
return E-S;
}

49
src/timing.c
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@@ -1,49 +0,0 @@
/*
* =======================================================================================
*
* Author: Jan Eitzinger (je), jan.treibig@gmail.com
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* =======================================================================================
*/
#include <stdlib.h>
#include <time.h>
double getTimeStamp()
{
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return (double)ts.tv_sec + (double)ts.tv_nsec * 1.e-9;
}
double getTimeResolution()
{
struct timespec ts;
clock_getres(CLOCK_MONOTONIC, &ts);
return (double)ts.tv_sec + (double)ts.tv_nsec * 1.e-9;
}
double getTimeStamp_()
{
return getTimeStamp();
}

48
src/triad.c
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@@ -1,48 +0,0 @@
/*
* =======================================================================================
*
* Author: Jan Eitzinger (je), jan.treibig@gmail.com
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* =======================================================================================
*/
#include <timing.h>
double triad(
double * restrict a,
double * restrict b,
double * restrict c,
double scalar,
int N
)
{
double S, E;
S = getTimeStamp();
#pragma omp parallel for
for (int i=0; i<N; i++) {
a[i] = b[i] + scalar * c[i];
}
E = getTimeStamp();
return E-S;
}

46
src/update.c
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@@ -1,46 +0,0 @@
/*
* =======================================================================================
*
* Author: Jan Eitzinger (je), jan.treibig@gmail.com
* Copyright (c) 2019 RRZE, University Erlangen-Nuremberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* =======================================================================================
*/
#include <timing.h>
double update(
double * restrict a,
double scalar,
int N
)
{
double S, E;
S = getTimeStamp();
#pragma omp parallel for
for (int i=0; i<N; i++) {
a[i] = a[i] * scalar;
}
E = getTimeStamp();
return E-S;
}