| #include <stdio.h> |
| #include <stdint.h> |
| #include <assert.h> |
| |
| #include <pthreadpool.h> |
| |
| struct array_addition_context { |
| double *augend; |
| double *addend; |
| double *sum; |
| }; |
| |
| static void add_arrays(struct array_addition_context* context, size_t i) { |
| context->sum[i] = context->augend[i] + context->addend[i]; |
| } |
| |
| #define ARRAY_SIZE 4 |
| |
| int main() { |
| double augend[ARRAY_SIZE] = { 1.0, 2.0, 4.0, -5.0 }; |
| double addend[ARRAY_SIZE] = { 0.25, -1.75, 0.0, 0.5 }; |
| double sum[ARRAY_SIZE]; |
| |
| pthreadpool_t threadpool = pthreadpool_create(0); |
| assert(threadpool != NULL); |
| |
| const size_t threads_count = pthreadpool_get_threads_count(threadpool); |
| printf("Created thread pool with %zu threads\n", threads_count); |
| |
| struct array_addition_context context = { augend, addend, sum }; |
| pthreadpool_compute_1d(threadpool, |
| (pthreadpool_function_1d_t) add_arrays, |
| (void**) &context, |
| ARRAY_SIZE); |
| |
| pthreadpool_destroy(threadpool); |
| threadpool = NULL; |
| |
| printf("%8s\t%.2lf\t%.2lf\t%.2lf\t%.2lf\n", "Augend", |
| augend[0], augend[1], augend[2], augend[3]); |
| printf("%8s\t%.2lf\t%.2lf\t%.2lf\t%.2lf\n", "Addend", |
| addend[0], addend[1], addend[2], addend[3]); |
| printf("%8s\t%.2lf\t%.2lf\t%.2lf\t%.2lf\n", "Sum", |
| sum[0], sum[1], sum[2], sum[3]); |
| |
| return 0; |
| } |