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/**
* @file app.c
* @brief Template for a Host Application Source File.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#include <assert.h>
#include <stdint.h>
#include "../../support/timer.h"
#include "../../support/common.h"
#define XSTR(x) STR(x)
#define STR(x) #x
T** A;
T* B;
T* C;
// Create input arrays
static void init_data(T** A, T* B, unsigned int m_size, unsigned int n_size){
for (unsigned int l = 0; l < NUM_LAYERS; l++)
for (unsigned int i = 0; i < m_size * n_size; i++){
if(i % 100 < 98){
A[l][i] = 0;
}else{
A[l][i] = (l+i) % 2;
}
}
for (unsigned int i = 0; i < n_size; i++){
if(i % 50 < 48){
B[i] = 0;
}
else{
B[i] = i % 2;
}
}
}
// Compute output in the host
static void mlp_host(T* C, T** A, T* B, unsigned int m_size, unsigned int n_size) {
for (unsigned int nl = 0; nl < NUM_LAYERS; nl++){
for (unsigned int m = 0; m < m_size; m++){
C[m] = 0;
}
#pragma omp parallel for
for (unsigned int m = 0; m < m_size; m++){
for (unsigned int n = 0; n < n_size; n++){
C[m] += A[nl][m * n_size + n] * B[n];
}
C[m] = max(0, C[m]);
}
for (unsigned int n = 0; n < n_size; n++){
B[n] = C[n];
}
}
}
static uint64_t mlp_host_sum(uint64_t n_size, uint64_t m_size) {
uint64_t sum = 0;
for (uint64_t m = 0; m < n_size; m++){
sum += B[m];
}
return sum;
}
// Params ---------------------------------------------------------------------
typedef struct Params {
char* dpu_type;
int nr_of_ranks;
int input_size_n;
int input_size_m;
int n_warmup;
int n_reps;
}Params;
void usage() {
fprintf(stderr,
"\nUsage: ./program [options]"
"\n"
"\nGeneral options:"
"\n -h help"
"\n -d <D> DPU type (default=fsim)"
"\n -r <R> # of ranks (default=2)"
"\n"
"\nBenchmark-specific options:"
"\n -i <I> input size (default=8M elements)"
"\n");
}
struct Params input_params(int argc, char **argv) {
struct Params p;
p.dpu_type = "fsim";
p.nr_of_ranks = 1;
p.input_size_n = 1 << 9;
p.input_size_m = 1 << 9;
p.n_warmup = 2;
p.n_reps = 3;
int opt;
while((opt = getopt(argc, argv, "hd:r:i:")) >= 0) {
switch(opt) {
case 'h':
usage();
exit(0);
break;
case 'd': p.dpu_type = optarg; break;
case 'r': p.nr_of_ranks = atoi(optarg); break;
case 'n': p.input_size_n = atoi(optarg); break;
case 'm': p.input_size_m = atoi(optarg); break;
default:
fprintf(stderr, "\nUnrecognized option!\n");
usage();
exit(0);
}
}
assert(p.nr_of_ranks > 0 && "Invalid # of ranks!");
return p;
}
/**
* @brief Main of the Host Application.
*/
int main(int argc, char **argv) {
struct Params p = input_params(argc, argv);
uint64_t n_size = 8192;
uint64_t m_size = 20480;
Timer timer;
A = malloc(NUM_LAYERS * sizeof(T*));
for(int l = 0; l < NUM_LAYERS; l++)
A[l] = malloc(n_size*m_size*sizeof(unsigned int));
B = malloc(m_size*sizeof(unsigned int));
C = malloc(m_size*sizeof(unsigned int));
for (int i = 0; i < 100; i++) {
// Create an input file with arbitrary data.
init_data(A, B, m_size, n_size);
start(&timer, 0, 0);
mlp_host(C, A, B, n_size, m_size);
stop(&timer, 0);
unsigned int nr_threads = 0;
#pragma omp parallel
#pragma omp atomic
nr_threads++;
printf("[::] n_threads=%d e_type=%s n_elements=%lu "
"| throughput_cpu_omp_MBps=%f\n",
nr_threads, XSTR(T), n_size * m_size,
n_size * m_size * sizeof(T) / timer.time[0]);
printf("[::] n_threads=%d e_type=%s n_elements=%lu "
"| throughput_cpu_omp_MOpps=%f\n",
nr_threads, XSTR(T), n_size * m_size,
n_size * m_size / timer.time[0]);
printf("[::] n_threads=%d e_type=%s n_elements=%lu |",
nr_threads, XSTR(T), n_size * m_size);
printall(&timer, 0);
}
uint32_t sum = mlp_host_sum(n_size, m_size);
printf("Kernel ");
print(&timer, 0, 1);
printf("\n");
printf("SUM = %d \n", sum);
for(int l = 0; l < NUM_LAYERS; l++)
free(A[l]);
free(A);
free(B);
free(C);
return 0;
}
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