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Diffstat (limited to 'SEL/baselines/cpu/app_baseline.c')
-rw-r--r-- | SEL/baselines/cpu/app_baseline.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/SEL/baselines/cpu/app_baseline.c b/SEL/baselines/cpu/app_baseline.c new file mode 100644 index 0000000..96949c3 --- /dev/null +++ b/SEL/baselines/cpu/app_baseline.c @@ -0,0 +1,149 @@ +/** +* @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; +} |