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-rw-r--r--SEL/baselines/cpu/app_baseline.c149
1 files changed, 149 insertions, 0 deletions
diff --git a/SEL/baselines/cpu/app_baseline.c b/SEL/baselines/cpu/app_baseline.c
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+++ b/SEL/baselines/cpu/app_baseline.c
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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 <omp.h>
+#include "../../support/timer.h"
+
+static uint64_t *A;
+static uint64_t *B;
+static uint64_t *C;
+static uint64_t *C2;
+static int pos;
+
+bool pred(const uint64_t x){
+ return (x % 2) == 0;
+}
+
+
+void *create_test_file(unsigned int nr_elements) {
+ //srand(0);
+
+ A = (uint64_t*) malloc(nr_elements * sizeof(uint64_t));
+ B = (uint64_t*) malloc(nr_elements * sizeof(uint64_t));
+ C = (uint64_t*) malloc(nr_elements * sizeof(uint64_t));
+
+ printf("nr_elements\t%u\t", nr_elements);
+ for (int i = 0; i < nr_elements; i++) {
+ //A[i] = (unsigned int) (rand());
+ A[i] = i+1;
+ B[i] = 0;
+ }
+}
+
+/**
+* @brief compute output in the host
+*/
+static int select_host(int size, int t) {
+ pos = 0;
+ C[pos] = A[pos];
+
+ omp_set_num_threads(t);
+ #pragma omp parallel for
+ for(int my = 1; my < size; my++) {
+ if(!pred(A[my])) {
+ int p;
+ #pragma omp atomic update
+ pos++;
+ p = pos;
+ C[p] = A[my];
+ }
+ }
+ return pos;
+}
+
+// Params ---------------------------------------------------------------------
+typedef struct Params {
+ char* dpu_type;
+ int input_size;
+ int n_warmup;
+ int n_reps;
+ int n_threads;
+}Params;
+
+void usage() {
+ fprintf(stderr,
+ "\nUsage: ./program [options]"
+ "\n"
+ "\nGeneral options:"
+ "\n -h help"
+ "\n -d <D> DPU type (default=fsim)"
+ "\n -t <T> # of threads (default=8)"
+ "\n -w <W> # of untimed warmup iterations (default=2)"
+ "\n -e <E> # of timed repetition iterations (default=5)"
+ "\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.input_size = 16 << 20;
+ p.n_warmup = 1;
+ p.n_reps = 3;
+ p.n_threads = 5;
+
+ int opt;
+ while((opt = getopt(argc, argv, "hi:w:e:t:")) >= 0) {
+ switch(opt) {
+ case 'h':
+ usage();
+ exit(0);
+ break;
+ case 'i': p.input_size = atoi(optarg); break;
+ case 'w': p.n_warmup = atoi(optarg); break;
+ case 'e': p.n_reps = atoi(optarg); break;
+ case 't': p.n_threads = atoi(optarg); break;
+ default:
+ fprintf(stderr, "\nUnrecognized option!\n");
+ usage();
+ exit(0);
+ }
+ }
+ assert(p.n_threads > 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);
+
+ const unsigned int file_size = p.input_size;
+ uint32_t accum = 0;
+ int total_count;
+
+ // Create an input file with arbitrary data.
+ create_test_file(file_size);
+
+ Timer timer;
+ start(&timer, 0, 0);
+
+ total_count = select_host(file_size, p.n_threads);
+
+ stop(&timer, 0);
+
+ printf("Total count = %d\t", total_count);
+
+ printf("Kernel ");
+ print(&timer, 0, 1);
+ printf("\n");
+
+ free(A);
+ free(B);
+ free(C);
+ return 0;
+}