int main(int argc, char **argv) { int ntasks = NTASKS; int ret; struct starpu_conf conf; starpu_conf_init(&conf); conf.sched_policy = &dummy_sched_policy, ret = starpu_init(&conf); if (ret == -ENODEV) return 77; STARPU_CHECK_RETURN_VALUE(ret, "starpu_init"); #ifdef STARPU_QUICK_CHECK ntasks /= 100; #endif int i; for (i = 0; i < ntasks; i++) { struct starpu_task *task = starpu_task_create(); task->cl = &dummy_codelet; task->cl_arg = NULL; ret = starpu_task_submit(task); STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_submit"); } starpu_task_wait_for_all(); starpu_shutdown(); return 0; }
int main(int argc, char ** argv) { starpu_init(NULL); struct starpu_codelet cl = { .where = STARPU_CPU, .cpu_funcs[0] = cpu_func, .cpu_funcs[1] = NULL, .nbuffers = 0 }; struct starpu_task* task = starpu_task_create(); // pointer to the codelet task->cl = &cl; struct params params = { 1, 2.0f }; task->cl_arg = ¶ms; task->cl_arg_size = sizeof(params); task->callback_func = callback_func; task->callback_arg = (void*) 0x42; // starpu_task_submit will be a blocking call task->synchronous = 1; // submit the task to StarPU starpu_task_submit(task); // terminate StarPU starpu_shutdown(); return 0; }
int main(int argc, char **argv) { unsigned iter; double init_timing = 0.0; double shutdown_timing = 0.0; for (iter = 0; iter < N; iter++) { gettimeofday(&start, NULL); /* Initialize StarPU */ starpu_init(NULL); gettimeofday(&end, NULL); init_timing += (double)((end.tv_sec - start.tv_sec)*1000000 + (end.tv_usec - start.tv_usec)); gettimeofday(&start, NULL); /* Shutdown StarPU */ starpu_shutdown(); gettimeofday(&end, NULL); shutdown_timing += (double)((end.tv_sec - start.tv_sec)*1000000 + (end.tv_usec - start.tv_usec)); } fprintf(stderr, "starpu_init: %2.2f seconds\n", init_timing/(N*1000000)); fprintf(stderr, "starpu_shutdown: %2.2f seconds\n", shutdown_timing/(N*1000000)); return 0; }
int main(int argc, char **argv) { int ret; /* initialize StarPU */ ret = starpu_init(NULL); STARPU_CHECK_RETURN_VALUE(ret, "starpu_init"); struct starpu_task *task = starpu_task_create(); task->cl = &cl; /* Pointer to the codelet defined above */ struct params params = { 1, 2.0f }; task->cl_arg = ¶ms; task->cl_arg_size = sizeof(params); task->callback_func = callback_func; task->callback_arg = (void*) (uintptr_t) 0x42; /* starpu_task_submit will be a blocking call */ task->synchronous = 1; /* submit the task to StarPU */ ret = starpu_task_submit(task); STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_submit"); /* terminate StarPU */ starpu_shutdown(); return 0; }
int main(int argc, char **argv) { unsigned i; double timing; struct timeval start; struct timeval end; parse_args(argc, argv); starpu_init(NULL); init_gordon_kernel(); fprintf(stderr, "#tasks : %d\n", ntasks); gettimeofday(&start, NULL); for (i = 0; i < ntasks; i++) { inject_one_task(); } gettimeofday(&end, NULL); timing = (double)((end.tv_sec - start.tv_sec)*1000000 + (end.tv_usec - start.tv_usec)); fprintf(stderr, "Total: %lf secs\n", timing/1000000); fprintf(stderr, "Per task: %lf usecs\n", timing/ntasks); starpu_shutdown(); return 0; }
static int submit(struct starpu_codelet *codelet, struct starpu_perfmodel *model) { int nloops = 123; int loop; starpu_data_handle_t handle; struct starpu_perfmodel lmodel; int ret; int old_nsamples, new_nsamples; struct starpu_conf conf; unsigned archid, archtype, devid, ncore; starpu_conf_init(&conf); conf.sched_policy_name = "eager"; conf.calibrate = 1; ret = starpu_init(&conf); if (ret == -ENODEV) return STARPU_TEST_SKIPPED; STARPU_CHECK_RETURN_VALUE(ret, "starpu_init"); codelet->model = model; starpu_vector_data_register(&handle, -1, (uintptr_t)NULL, 100, sizeof(int)); for (loop = 0; loop < nloops; loop++) { ret = starpu_task_insert(codelet, STARPU_W, handle, 0); if (ret == -ENODEV) return STARPU_TEST_SKIPPED; STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_submit"); } starpu_data_unregister(handle); starpu_shutdown(); return EXIT_SUCCESS; }
void socl_init_starpu(void) { starpu_pthread_mutex_lock(&_socl_mutex); if( ! _starpu_init ){ starpu_conf_init(&conf); conf.ncuda = 0; conf.ncpus = 0; _starpu_init_failed = starpu_init(&conf); if (_starpu_init_failed != 0) { DEBUG_MSG("Error when calling starpu_init: %d\n", _starpu_init_failed); } else { if (starpu_opencl_worker_get_count() == 0) { DEBUG_MSG("StarPU didn't find any OpenCL device. Try disabling CUDA support in StarPU (export STARPU_NCUDA=0).\n"); _starpu_init_failed = -ENODEV; } } /* Disable dataflow implicit dependencies */ starpu_data_set_default_sequential_consistency_flag(0); _starpu_init = 1; } starpu_pthread_mutex_unlock(&_socl_mutex); }
static int run(struct starpu_sched_policy *policy) { int ret; struct starpu_conf conf; int i; starpu_conf_init(&conf); conf.sched_policy = policy; ret = starpu_init(&conf); if (ret != 0) exit(STARPU_TEST_SKIPPED); starpu_profiling_status_set(1); struct starpu_codelet clA = { .cpu_funcs = {A}, .nbuffers = 0 }; struct starpu_codelet clB = { .cpu_funcs = {B}, .nbuffers = 0 }; starpu_srand48(0); for (i = 0; i < NTASKS; i++) { struct starpu_task *task = starpu_task_create(); if (((int)(starpu_drand48()*2))%2) { task->cl = &clA; task->priority=STARPU_MIN_PRIO; } else { task->cl = &clB; task->priority=STARPU_MAX_PRIO; } task->detach=1; ret = starpu_task_submit(task); if (ret == -ENODEV) goto enodev; STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_submit"); } starpu_task_wait_for_all(); FPRINTF(stdout,"\n"); starpu_shutdown(); return 0; enodev: starpu_shutdown(); return -ENODEV; }
int main(void) { #ifdef STARPU_USE_CPU int ret; ret = starpu_init(NULL); STARPU_CHECK_RETURN_VALUE(ret, "starpu_init"); ncpu = starpu_cpu_worker_get_count(); #ifdef STARPU_USE_CUDA ncuda = starpu_cuda_worker_get_count(); #endif #ifdef STARPU_USE_OPENCL nopencl = starpu_opencl_worker_get_count(); #endif if (ncpu == 0 || !gpus_available()) { starpu_shutdown(); return 77; } #ifdef STARPU_USE_OPENCL ret = starpu_opencl_load_opencl_from_file("examples/basic_examples/multiformat_opencl_kernel.cl", &opencl_program, NULL); STARPU_CHECK_RETURN_VALUE(ret, "starpu_opencl_load_opencl_from_file"); ret = starpu_opencl_load_opencl_from_file("examples/basic_examples/multiformat_conversion_codelets_opencl_kernel.cl", &opencl_conversion_program, NULL); STARPU_CHECK_RETURN_VALUE(ret, "starpu_opencl_load_opencl_from_file"); #endif init_problem_data(); print_it(); register_data(); create_and_submit_tasks(); unregister_data(); print_it(); #ifdef STARPU_USE_OPENCL ret = starpu_opencl_unload_opencl(&opencl_program); STARPU_CHECK_RETURN_VALUE(ret, "starpu_opencl_unload_opencl"); starpu_opencl_unload_opencl(&opencl_conversion_program); #endif starpu_shutdown(); return check_it(); #else /* Without the CPU, there is no point in using the multiformat * interface, so this test is pointless. */ return 77; #endif }
int main() { starpu_init(NULL); call(); call(); call(); starpu_shutdown(); }
int main(int argc, char **argv) { int ret, rank, size; starpu_data_handle_t handle; int var; MPI_Init(&argc, &argv); starpu_mpi_comm_rank(MPI_COMM_WORLD, &rank); starpu_mpi_comm_size(MPI_COMM_WORLD, &size); ret = starpu_init(NULL); STARPU_CHECK_RETURN_VALUE(ret, "starpu_init"); ret = starpu_mpi_init(NULL, NULL, 0); STARPU_CHECK_RETURN_VALUE(ret, "starpu_mpi_init"); if (size<3) { FPRINTF(stderr, "We need more than 2 processes.\n"); starpu_mpi_shutdown(); starpu_shutdown(); MPI_Finalize(); return STARPU_TEST_SKIPPED; } if (rank == 0) { int n; for(n=1 ; n<size ; n++) { MPI_Status status; FPRINTF_MPI(stderr, "receiving from node %d\n", n); starpu_variable_data_register(&handle, STARPU_MAIN_RAM, (uintptr_t)&var, sizeof(var)); starpu_mpi_recv(handle, n, 42, MPI_COMM_WORLD, &status); starpu_data_acquire(handle, STARPU_R); STARPU_ASSERT_MSG(var == n, "Received incorrect value <%d> from node <%d>\n", var, n); FPRINTF_MPI(stderr, "received <%d> from node %d\n", var, n); starpu_data_release(handle); starpu_data_unregister(handle); } } else { FPRINTF_MPI(stderr, "sending to node %d\n", 0); var = rank; starpu_variable_data_register(&handle, STARPU_MAIN_RAM, (uintptr_t)&var, sizeof(var)); starpu_mpi_send(handle, 0, 42, MPI_COMM_WORLD); starpu_data_unregister(handle); } starpu_mpi_shutdown(); starpu_shutdown(); MPI_Finalize(); return 0; }
int main(int argc, char **argv) { int ret, rank, size; MPI_Init(&argc, &argv); MPI_Comm_rank(MPI_COMM_WORLD, &rank); MPI_Comm_size(MPI_COMM_WORLD, &size); if (size%2 != 0) { if (rank == 0) FPRINTF(stderr, "We need a even number of processes.\n"); MPI_Finalize(); return STARPU_TEST_SKIPPED; } ret = starpu_init(NULL); STARPU_CHECK_RETURN_VALUE(ret, "starpu_init"); ret = starpu_mpi_init(NULL, NULL, 0); STARPU_CHECK_RETURN_VALUE(ret, "starpu_mpi_init"); tab = malloc(SIZE*sizeof(float)); starpu_vector_data_register(&tab_handle, STARPU_MAIN_RAM, (uintptr_t)tab, SIZE, sizeof(float)); int nloops = NITER; int loop; int other_rank = rank%2 == 0 ? rank+1 : rank-1; for (loop = 0; loop < nloops; loop++) { starpu_tag_t tag = (starpu_tag_t)loop; if ((loop % 2) == (rank%2)) { starpu_mpi_isend_detached_unlock_tag(tab_handle, other_rank, loop, MPI_COMM_WORLD, tag); } else { starpu_mpi_irecv_detached_unlock_tag(tab_handle, other_rank, loop, MPI_COMM_WORLD, tag); } starpu_tag_wait(tag); } starpu_data_unregister(tab_handle); free(tab); starpu_mpi_shutdown(); starpu_shutdown(); MPI_Finalize(); return 0; }
int main(int argc, char **argv) { int ret; starpu_init(NULL); starpu_data_malloc_pinned_if_possible((void **)&buffer, VECTORSIZE); starpu_vector_data_register(&v_handle, 0, (uintptr_t)buffer, VECTORSIZE, sizeof(char)); struct starpu_data_filter f = { .filter_func = starpu_vector_divide_in_2_filter_func, /* there are only 2 children */ .nchildren = 2, /* the length of the first part */ .filter_arg = VECTORSIZE/2, .get_nchildren = NULL, .get_child_ops = NULL }; unsigned iter; for (iter = 0; iter < NITER; iter++) { starpu_data_map_filters(v_handle, 1, &f); ret = use_handle(starpu_data_get_sub_data(v_handle, 1, 0)); if (ret == -ENODEV) goto enodev; ret = use_handle(starpu_data_get_sub_data(v_handle, 1, 1)); if (ret == -ENODEV) goto enodev; starpu_task_wait_for_all(); starpu_data_unpartition(v_handle, 0); ret = use_handle(v_handle); if (ret == -ENODEV) goto enodev; starpu_task_wait_for_all(); } starpu_data_unregister(v_handle); starpu_shutdown(); return 0; enodev: fprintf(stderr, "WARNING: No one can execute this task\n"); /* yes, we do not perform the computation but we did detect that no one * could perform the kernel, so this is not an error from StarPU */ return 0; }
int main(int argc, char **argv) { starpu_init(NULL); starpu_data_malloc_pinned_if_possible((void **)&v, VECTORSIZE*sizeof(unsigned)); starpu_vector_data_register(&v_handle, 0, (uintptr_t)v, VECTORSIZE, sizeof(unsigned)); unsigned nworker = starpu_worker_get_count(); cnt = nworker*N; unsigned iter, worker; for (iter = 0; iter < N; iter++) { for (worker = 0; worker < nworker; worker++) { /* synchronous prefetch */ unsigned node = starpu_worker_get_memory_node(worker); starpu_data_prefetch_on_node(v_handle, node, 0); /* execute a task */ struct starpu_task *task = starpu_task_create(); task->cl = &cl; task->buffers[0].handle = v_handle; task->buffers[0].mode = select_random_mode(); task->callback_func = callback; task->callback_arg = NULL; task->synchronous = 1; int ret = starpu_task_submit(task, NULL); if (ret == -ENODEV) goto enodev; } } pthread_mutex_lock(&mutex); if (!finished) pthread_cond_wait(&cond, &mutex); pthread_mutex_unlock(&mutex); starpu_shutdown(); return 0; enodev: fprintf(stderr, "WARNING: No one can execute this task\n"); /* yes, we do not perform the computation but we did detect that no one * could perform the kernel, so this is not an error from StarPU */ return 0; }
int main(int argc, char **argv) { double timing; struct timeval start; struct timeval end; starpu_init(NULL); fprintf(stderr, "#tasks : %d\n", ntasks); unsigned i; for (i = 0; i < ntasks; i++) { struct starpu_task *task = starpu_task_create(); /* We check if the function is valid from the codelet or from * the callback */ task->cl = &dummy_cl; task->cl_arg = task; task->callback_func = check_task_callback; task->callback_arg = task; int ret = starpu_task_submit(task, NULL); STARPU_ASSERT(!ret); } starpu_task_wait_for_all(); fprintf(stderr, "#empty tasks : %d\n", ntasks); /* We repeat the same experiment with null codelets */ for (i = 0; i < ntasks; i++) { struct starpu_task *task = starpu_task_create(); task->cl = NULL; /* We check if the function is valid from the callback */ task->callback_func = check_task_callback; task->callback_arg = task; int ret = starpu_task_submit(task, NULL); STARPU_ASSERT(!ret); } starpu_task_wait_for_all(); starpu_shutdown(); return 0; }
int main(int argc, char **argv) { MPI_Init(NULL, NULL); int rank, size; MPI_Comm_rank(MPI_COMM_WORLD, &rank); MPI_Comm_size(MPI_COMM_WORLD, &size); if (size != 2) { if (rank == 0) fprintf(stderr, "We need exactly 2 processes.\n"); MPI_Finalize(); return 0; } starpu_init(NULL); starpu_mpi_initialize(); tab = malloc(SIZE*sizeof(float)); starpu_vector_data_register(&tab_handle, 0, (uintptr_t)tab, SIZE, sizeof(float)); unsigned nloops = NITER; unsigned loop; int other_rank = (rank + 1)%2; for (loop = 0; loop < nloops; loop++) { starpu_tag_t tag = (starpu_tag_t)loop; if ((loop % 2) == rank) { starpu_mpi_isend_detached_unlock_tag(tab_handle, other_rank, loop, MPI_COMM_WORLD, tag); } else { starpu_mpi_irecv_detached_unlock_tag(tab_handle, other_rank, loop, MPI_COMM_WORLD, tag); } starpu_tag_wait(tag); } starpu_mpi_shutdown(); starpu_shutdown(); MPI_Finalize(); return 0; }
/*main program*/ int main(int argc, char * argv[]) { /* Init */ int ret; int mpi_rank, mpi_size; MPI_Init(&argc, &argv); MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank); MPI_Comm_size(MPI_COMM_WORLD, &mpi_size); ret = starpu_init(NULL); STARPU_CHECK_RETURN_VALUE(ret, "starpu_init"); ret = starpu_mpi_init(NULL, NULL, 0); STARPU_CHECK_RETURN_VALUE(ret, "starpu_mpi_init"); /*element initialization : domains are connected as a ring for this test*/ int num_elements=NUM_EL; struct element * el_left=malloc(num_elements*sizeof(el_left[0])); struct element * el_right=malloc(num_elements*sizeof(el_right[0])); int i; for(i=0; i<num_elements; i++) { init_element(el_left+i,i+1,((mpi_rank-1)+mpi_size)%mpi_size); init_element(el_right+i,i+1,(mpi_rank+1)%mpi_size); } /* Communication loop */ for (i=0; i<NUM_LOOPS; i++) //number of "computations loops" { int e; for (e=0; e<num_elements; e++) //Do something for each elements { insert_work_for_one_element(el_right+e); insert_work_for_one_element(el_left+e); } } /* End */ starpu_task_wait_for_all(); for(i=0; i<num_elements; i++) { free_element(el_left+i); free_element(el_right+i); } starpu_mpi_shutdown(); starpu_shutdown(); MPI_Finalize(); FPRINTF(stderr, "No assert until end\n"); return 0; }
int main(STARPU_ATTRIBUTE_UNUSED int argc, STARPU_ATTRIBUTE_UNUSED char **argv) { int ret; if (argc < 2) { FPRINTF(stderr, "usage : %s filename [tile size]\n", argv[0]); exit(-1); } if (argc == 3) { /* third argument is the tile size */ char *argptr; r = strtol(argv[2], &argptr, 10); c = r; } inputfile = argv[1]; /* start the runtime */ ret = starpu_init(NULL); if (ret == -ENODEV) return 77; STARPU_CHECK_RETURN_VALUE(ret, "starpu_init"); sem_init(&sem, 0, 0U); init_problem(); launch_spmv_codelets(); sem_wait(&sem); sem_destroy(&sem); unregister_data(); print_results(); double totalflop = 2.0*c*r*totaltasks; double timing = end - start; FPRINTF(stderr, "Computation took (in ms)\n"); FPRINTF(stdout, "%2.2f\n", timing/1000); FPRINTF(stderr, "Flop %e\n", totalflop); FPRINTF(stderr, "GFlops : %2.2f\n", totalflop/timing/1000); return 0; }
int main(int argc, char **argv) { double timing; struct timeval start; struct timeval end; parse_args(argc, argv); starpu_init(NULL); fprintf(stderr, "#tasks : %d\n", ntasks); gettimeofday(&start, NULL); unsigned i; for (i = 0; i < ntasks; i++) { struct starpu_task *task = starpu_task_create(); task->cl = &dummy_codelet; task->cl_arg = NULL; task->callback_func = NULL; task->callback_arg = NULL; task->destroy = 0; starpu_event event; int ret = starpu_task_submit(task, &event); STARPU_ASSERT(!ret); ret = starpu_event_wait(event); STARPU_ASSERT(!ret); starpu_event_release(event); starpu_task_destroy(task); } gettimeofday(&end, NULL); timing = (double)((end.tv_sec - start.tv_sec)*1000000 + (end.tv_usec - start.tv_usec)); fprintf(stderr, "Total: %lf secs\n", timing/1000000); fprintf(stderr, "Per task: %lf usecs\n", timing/ntasks); starpu_shutdown(); return 0; }
int main(int argc, char **argv) { /* create a simple definite positive symetric matrix example * * Hilbert matrix : h(i,j) = 1/(i+j+1) * */ float ***bmat; int rank, nodes, ret; double timing, flops; int correctness; ret = starpu_init(NULL); STARPU_CHECK_RETURN_VALUE(ret, "starpu_init"); ret = starpu_mpi_init(&argc, &argv, 1); STARPU_CHECK_RETURN_VALUE(ret, "starpu_mpi_init"); MPI_Comm_rank(MPI_COMM_WORLD, &rank); MPI_Comm_size(MPI_COMM_WORLD, &nodes); starpu_cublas_init(); parse_args(argc, argv, nodes); matrix_init(&bmat, rank, nodes, 1); matrix_display(bmat, rank); dw_cholesky(bmat, size/nblocks, rank, nodes, &timing, &flops); starpu_mpi_shutdown(); matrix_display(bmat, rank); dw_cholesky_check_computation(bmat, rank, nodes, &correctness, &flops); matrix_free(&bmat, rank, nodes, 1); starpu_cublas_shutdown(); starpu_shutdown(); assert(correctness); if (rank == 0) { FPRINTF(stdout, "Computation time (in ms): %2.2f\n", timing/1000); FPRINTF(stdout, "Synthetic GFlops : %2.2f\n", (flops/timing/1000.0f)); } return 0; }
int main(int argc, char **argv) { int ret=0, global_ret=0; int rank, size; MPI_Init(&argc, &argv); starpu_mpi_comm_rank(MPI_COMM_WORLD, &rank); starpu_mpi_comm_size(MPI_COMM_WORLD, &size); ret = starpu_init(NULL); STARPU_CHECK_RETURN_VALUE(ret, "starpu_init"); ret = starpu_mpi_init(NULL, NULL, 0); STARPU_CHECK_RETURN_VALUE(ret, "starpu_mpi_init"); if (size%2 != 0) { FPRINTF(stderr, "We need a even number of processes.\n"); starpu_mpi_shutdown(); starpu_shutdown(); MPI_Finalize(); return STARPU_TEST_SKIPPED; } ret = exchange_variable(rank, 0); if (ret != 0) global_ret = ret; ret = exchange_variable(rank, 1); if (ret != 0) global_ret = ret; ret = exchange_void(rank, 0); if (ret != 0) global_ret = ret; ret = exchange_void(rank, 1); if (ret != 0) global_ret = ret; ret = exchange_complex(rank, 0); if (ret != 0) global_ret = ret; ret = exchange_complex(rank, 1); if (ret != 0) global_ret = ret; starpu_mpi_shutdown(); starpu_shutdown(); MPI_Finalize(); return global_ret; }
int main(int argc, char **argv) { int v=40; int ret; ret = starpu_init(NULL); if (ret == -ENODEV) return 77; STARPU_CHECK_RETURN_VALUE(ret, "starpu_init"); starpu_variable_data_register(&handle, STARPU_MAIN_RAM, (uintptr_t)&v, sizeof(int)); double *x = (double*)malloc(sizeof(double)); struct starpu_task *task = starpu_task_create(); task->cl = &cl; task->prologue_callback_func = callback_func; task->prologue_callback_arg = NULL; task->prologue_callback_pop_func = pop_prologue_callback_func; task->prologue_callback_pop_arg = (void*) 5; task->handles[0] = handle; ret = starpu_task_submit(task); if (ret == -ENODEV) goto enodev; STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_submit"); *x = -999.0; ret = starpu_task_insert(&cl, STARPU_RW, handle, STARPU_PROLOGUE_CALLBACK, prologue_callback_func, STARPU_PROLOGUE_CALLBACK_ARG, x, STARPU_PROLOGUE_CALLBACK_POP, pop_prologue_callback_func, STARPU_PROLOGUE_CALLBACK_POP_ARG, 5, 0); if (ret == -ENODEV) goto enodev; STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_insert"); starpu_task_wait_for_all(); enodev: starpu_data_unregister(handle); free(x); FPRINTF(stderr, "v -> %d\n", v); starpu_shutdown(); return (ret == -ENODEV) ? 77 : 0; }
int main(int argc, char **argv) { int x; float f; int i, ret; int ifactor=12; float ffactor=10.0; starpu_data_handle_t data_handles[2]; ret = starpu_init(NULL); if (ret == -ENODEV) return STARPU_TEST_SKIPPED; STARPU_CHECK_RETURN_VALUE(ret, "starpu_init"); FPRINTF(stderr, "Testing codelet with task_insert and with arguments\n"); ret = test_codelet(&mycodelet_args, 1, 1, 4, 2.0); if (ret == -ENODEV) goto enodev; if (ret) { FPRINTF(stderr, "Testing codelet with task_insert and without arguments\n"); ret = test_codelet(&mycodelet_noargs, 1, 0, 9, 7.0); } if (ret == -ENODEV) goto enodev; if (ret) { FPRINTF(stderr, "Testing codelet with task_build and with arguments\n"); ret = test_codelet(&mycodelet_args, 0, 1, 5, 3.0); } if (ret == -ENODEV) goto enodev; if (ret) { FPRINTF(stderr, "Testing codelet with task_build and without arguments\n"); ret = test_codelet(&mycodelet_noargs, 0, 0, 7, 5.0); } if (ret == -ENODEV) goto enodev; starpu_shutdown(); STARPU_RETURN(ret?0:1); enodev: starpu_shutdown(); fprintf(stderr, "WARNING: No one can execute this task\n"); /* yes, we do not perform the computation but we did detect that no one * could perform the kernel, so this is not an error from StarPU */ return STARPU_TEST_SKIPPED; }
int main(int argc, char **argv) { starpu_init(NULL); int arg = 0x42; starpu_execute_on_each_worker(func, &arg, STARPU_CPU|STARPU_CUDA|STARPU_OPENCL); starpu_execute_on_each_worker(func, &arg, STARPU_CPU); starpu_execute_on_each_worker(func, &arg, STARPU_CUDA); starpu_execute_on_each_worker(func, &arg, STARPU_OPENCL); starpu_shutdown(); return 0; }
int main(int argc, char **argv) { unsigned i; double timing; struct timeval start; struct timeval end; pthread_mutex_init(&mutex, NULL); pthread_cond_init(&cond, NULL); parse_args(argc, argv); cnt = ntasks; starpu_init(&conf); init_gordon_kernel(); fprintf(stderr, "#tasks : %d\n", ntasks); gettimeofday(&start, NULL); for (i = 0; i < ntasks; i++) { inject_one_task(); } pthread_mutex_lock(&mutex); while (!finished) pthread_cond_wait(&cond, &mutex); pthread_mutex_unlock(&mutex); gettimeofday(&end, NULL); timing = (double)((end.tv_sec - start.tv_sec)*1000000 + (end.tv_usec - start.tv_usec)); fprintf(stderr, "Total: %lf secs\n", timing/1000000); fprintf(stderr, "Per task: %lf usecs\n", timing/ntasks); starpu_shutdown(); return 0; }
int main(int argc, char **argv) { starpu_init(&conf); unsigned i; for (i = 0; i < NTASKS; i++) { struct starpu_task *task = starpu_task_create(); task->cl = &dummy_codelet; task->cl_arg = NULL; starpu_task_submit(task, NULL); } starpu_task_wait_for_all(); starpu_shutdown(); return 0; }
int main(int argc, char **argv) { starpu_init(NULL); /* Allocate all buffers and register them to StarPU */ unsigned b; for (b = 0; b < NBUFFERS; b++) { starpu_data_malloc_pinned_if_possible((void **)&buffer[b], VECTORSIZE); starpu_vector_data_register(&v_handle[b], 0, (uintptr_t)buffer[b], VECTORSIZE, sizeof(char)); } unsigned iter; for (iter = 0; iter < NITER; iter++) { /* Use the buffers on the different workers so that it may not * be in main memory anymore */ for (b = 0; b < NBUFFERS; b++) use_handle(v_handle[b]); starpu_task_wait_for_all(); /* Grab the different pieces of data into main memory */ for (b = 0; b < NBUFFERS; b++) starpu_data_acquire(v_handle[b], STARPU_RW); /* Release them */ for (b = 0; b < NBUFFERS; b++) starpu_data_release(v_handle[b]); } /* do some cleanup */ for (b = 0; b < NBUFFERS; b++) starpu_data_unregister(v_handle[b]); starpu_shutdown(); return 0; }
static int initialize_system(float **A, unsigned dim, unsigned pinned) { int ret; #ifdef STARPU_HAVE_MAGMA magma_init(); #endif ret = starpu_init(NULL); if (ret == -ENODEV) return 77; STARPU_CHECK_RETURN_VALUE(ret, "starpu_init"); #ifdef STARPU_USE_CUDA initialize_chol_model(&chol_model_11,"chol_model_11",cpu_chol_task_11_cost,cuda_chol_task_11_cost); initialize_chol_model(&chol_model_21,"chol_model_21",cpu_chol_task_21_cost,cuda_chol_task_21_cost); initialize_chol_model(&chol_model_22,"chol_model_22",cpu_chol_task_22_cost,cuda_chol_task_22_cost); #else initialize_chol_model(&chol_model_11,"chol_model_11",cpu_chol_task_11_cost,NULL); initialize_chol_model(&chol_model_21,"chol_model_21",cpu_chol_task_21_cost,NULL); initialize_chol_model(&chol_model_22,"chol_model_22",cpu_chol_task_22_cost,NULL); #endif starpu_cublas_init(); #ifndef STARPU_SIMGRID if (pinned) { starpu_malloc((void **)A, (size_t)dim*dim*sizeof(float)); } else { *A = malloc(dim*dim*sizeof(float)); } #endif return 0; }
int main(int argc, char **argv) { int ret; int var = 42; starpu_data_handle_t handle; ret = starpu_init(NULL); if (ret == -ENODEV) return STARPU_TEST_SKIPPED; STARPU_CHECK_RETURN_VALUE(ret, "starpu_init"); int copy = starpu_asynchronous_copy_disabled(); FPRINTF(stderr, "copy %d\n", copy); starpu_variable_data_register(&handle, STARPU_MAIN_RAM, (uintptr_t)&var, sizeof(var)); ret = starpu_task_insert(&cl, STARPU_R, handle, 0); if (ret == -ENODEV) goto enodev; STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_insert"); starpu_task_wait_for_all(); starpu_data_unregister(handle); starpu_shutdown(); return 0; enodev: starpu_data_unregister(handle); starpu_shutdown(); /* yes, we do not perform the computation but we did detect that no one * could perform the kernel, so this is not an error from StarPU */ fprintf(stderr, "WARNING: No one can execute this task\n"); return STARPU_TEST_SKIPPED; }
int main(int argc, char **argv) { unsigned i; double timing; struct timeval start; struct timeval end; parse_args(argc, argv); starpu_init(NULL); task.cl = &dummy_codelet; fprintf(stderr, "#tasks : %d\n", ntasks); gettimeofday(&start, NULL); for (i = 0; i < ntasks; i++) { starpu_event event; starpu_task_submit(&task, &event); starpu_event_wait(event); starpu_event_release(event); } gettimeofday(&end, NULL); timing = (double)((end.tv_sec - start.tv_sec)*1000000 + (end.tv_usec - start.tv_usec)); fprintf(stderr, "Total: %lf secs\n", timing/1000000); fprintf(stderr, "Per task: %lf usecs\n", timing/ntasks); starpu_shutdown(); return 0; }