static void get_done (pami_context_t context, void * cookie, pami_result_t result) { get_info_t * info = (get_info_t *) cookie; fprintf (stderr, ">> 'get_done' callback, cookie = %p (info->value = %zu => %zu), result = %d\n", cookie, *(info->value), *(info->value)-1, result); size_t status = 0; /* success */ if (result != PAMI_SUCCESS) { fprintf (stderr, " 'get_done' callback, PAMI_Rget failed\n"); status = 1; /* get failed */ } else { /* validate the data! */ print_data ((void *)info->buffer, 4 * 12); if (!validate_data(info->buffer, info->bytes, 4)) { fprintf (stderr, " 'get_done' callback,) PAMI_Rget data validation error.\n"); status = 2; /* get data validation failure */ } } /* Send an 'ack' to the origin */ pami_send_immediate_t parameters; parameters.dispatch = DISPATCH_ID_ACK; parameters.dest = info->origin; parameters.header.iov_base = &status; parameters.header.iov_len = sizeof(status); parameters.data.iov_base = NULL; parameters.data.iov_len = 0; parameters.hints = null_send_hint; PAMI_Send_immediate (context, ¶meters); /* Destroy the local memory region */ PAMI_Memregion_destroy (context, &(info->memregion)); --*(info->value); free (cookie); fprintf (stderr, "<< 'get_done' callback\n"); }
int main (int argc, char ** argv) { volatile size_t _rts_active = 1; volatile size_t _ack_active = 1; memset(&null_send_hint, 0, sizeof(null_send_hint)); pami_client_t client; pami_context_t context[2]; char cl_string[] = "TEST"; pami_result_t result = PAMI_ERROR; result = PAMI_Client_create (cl_string, &client, NULL, 0); if (result != PAMI_SUCCESS) { fprintf (stderr, "Error. Unable to create pami client. result = %d\n", result); return 1; } #ifdef TEST_CROSSTALK size_t num = 2; #else size_t num = 1; #endif result = PAMI_Context_createv(client, NULL, 0, context, num); if (result != PAMI_SUCCESS) { fprintf (stderr, "Error. Unable to create pami context(s). result = %d\n", result); return 1; } pami_configuration_t configuration; configuration.name = PAMI_CLIENT_TASK_ID; result = PAMI_Client_query(client, &configuration,1); if (result != PAMI_SUCCESS) { fprintf (stderr, "Error. Unable query configuration (%d). result = %d\n", configuration.name, result); return 1; } pami_task_t task_id = configuration.value.intval; fprintf (stderr, "My task id = %d\n", task_id); configuration.name = PAMI_CLIENT_NUM_TASKS; result = PAMI_Client_query(client, &configuration,1); if (result != PAMI_SUCCESS) { fprintf (stderr, "Error. Unable query configuration (%d). result = %d\n", configuration.name, result); return 1; } size_t num_tasks = configuration.value.intval; fprintf (stderr, "Number of tasks = %zu\n", num_tasks); if (num_tasks < 2) { fprintf (stderr, "Error. This test requires at least 2 tasks. Number of tasks in this job: %zu\n", num_tasks); return 1; } pami_dispatch_hint_t options={}; #ifdef USE_SHMEM_OPTION options.use_shmem = PAMI_HINT_ENABLE; fprintf (stderr, "##########################################\n"); fprintf (stderr, "shared memory optimizations forced ON\n"); fprintf (stderr, "##########################################\n"); #elif defined(NO_SHMEM_OPTION) options.use_shmem = PAMI_HINT_DISABLE; fprintf (stderr, "##########################################\n"); fprintf (stderr, "shared memory optimizations forced OFF\n"); fprintf (stderr, "##########################################\n"); #endif size_t i = 0; #ifdef TEST_CROSSTALK for (i=0; i<2; i++) #endif { pami_dispatch_callback_function fn; fprintf (stderr, "Before PAMI_Dispatch_set(%d) .. &_rts_active = %p, _rts_active = %zu\n", DISPATCH_ID_RTS, &_rts_active, _rts_active); fn.p2p = dispatch_rts; result = PAMI_Dispatch_set (context[i], DISPATCH_ID_RTS, fn, (void *)&_rts_active, options); if (result != PAMI_SUCCESS) { fprintf (stderr, "Error. Unable register pami dispatch. result = %d\n", result); return 1; } fprintf (stderr, "Before PAMI_Dispatch_set(%d) .. &_ack_active = %p, _ack_active = %zu\n", DISPATCH_ID_ACK, &_ack_active, _ack_active); fn.p2p = dispatch_ack; result = PAMI_Dispatch_set (context[i], DISPATCH_ID_ACK, fn, (void *)&_ack_active, options); if (result != PAMI_SUCCESS) { fprintf (stderr, "Error. Unable register pami dispatch. result = %d\n", result); return 1; } } if (task_id == 0) { pami_send_immediate_t parameters; #ifdef TEST_CROSSTALK fprintf (stdout, "PAMI_Rget('simple') functional test [crosstalk]\n"); fprintf (stdout, "\n"); PAMI_Endpoint_create (client, num_tasks-1, 1, ¶meters.dest); #else fprintf (stdout, "PAMI_Rget('simple') functional test\n"); fprintf (stdout, "\n"); PAMI_Endpoint_create (client, num_tasks-1, 0, ¶meters.dest); #endif /* Allocate some memory from the heap. */ void * send_buffer = malloc (BUFFERSIZE); /* Initialize the memory for validation. */ initialize_data ((uint32_t *)send_buffer, BUFFERSIZE, 0); print_data (send_buffer, BUFFERSIZE); /* Send an 'rts' message to the target task and provide the memory region */ rts_info_t rts_info; PAMI_Endpoint_create (client, 0, 0, &rts_info.origin); rts_info.bytes = BUFFERSIZE; /* Create a memory region for this memoru buffer */ size_t bytes = 0; pami_result_t pami_rc = PAMI_Memregion_create (context[0], send_buffer, BUFFERSIZE, &bytes, &(rts_info.memregion)); if (PAMI_SUCCESS != pami_rc) { fprintf (stderr, "PAMI_Memregion_create failed with rc = %d\n", pami_rc) ; exit(1); } parameters.dispatch = DISPATCH_ID_RTS; parameters.header.iov_base = &rts_info; parameters.header.iov_len = sizeof(rts_info_t); parameters.data.iov_base = NULL; parameters.data.iov_len = 0; fprintf (stderr, "Before PAMI_Send_immediate()\n"); PAMI_Send_immediate (context[0], ¶meters); /* wait for the 'ack' */ fprintf (stderr, "Wait for 'ack', _ack_active = %zu\n", _ack_active); while (_ack_active != 0) { result = PAMI_Context_advance (context[0], 100); if (result != PAMI_SUCCESS && result != PAMI_EAGAIN) { fprintf (stderr, "Error. Unable to advance pami context. result = %d\n", result); return 1; } } /* Destroy the local memory region */ PAMI_Memregion_destroy (context[0], &(rts_info.memregion)); free (send_buffer); switch (_ack_status) { case 0: fprintf (stdout, "Test PASSED\n"); break; case 1: fprintf (stdout, "Test FAILED (rget error)\n"); break; case 2: fprintf (stdout, "Test FAILED (data error)\n"); break; default: fprintf (stdout, "Test FAILED (unknown error)\n"); break; } } else if (task_id == num_tasks-1) { #ifdef TEST_CROSSTALK size_t contextid = 1; #else size_t contextid = 0; #endif /* wait for the 'rts' */ fprintf (stderr, "Wait for 'rts', _rts_active = %zu, contextid = %zu\n", _rts_active, contextid); while (_rts_active != 0) { result = PAMI_Context_advance (context[contextid], 100); if (result != PAMI_SUCCESS && result != PAMI_EAGAIN) { fprintf (stderr, "Error. Unable to advance pami context. result = %d\n", result); return 1; } } } fprintf (stderr, "Test completed .. cleanup\n"); result = PAMI_Context_destroyv (context, num); if (result != PAMI_SUCCESS) { fprintf (stderr, "Error. Unable to destroy pami context. result = %d\n", result); return 1; } result = PAMI_Client_destroy(&client); if (result != PAMI_SUCCESS) { fprintf (stderr, "Error. Unable to destroy pami client. result = %d\n", result); return 1; } /*fprintf (stdout, "Success (%d)\n", task_id); */ return 0; };
int main(int argc, char* argv[]) { pami_result_t result = PAMI_ERROR; /* initialize the second client */ char * clientname = ""; pami_client_t client; result = PAMI_Client_create(clientname, &client, NULL, 0); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Client_create"); /* query properties of the client */ pami_configuration_t config[4]; config[0].name = PAMI_CLIENT_NUM_TASKS; config[1].name = PAMI_CLIENT_TASK_ID; config[2].name = PAMI_CLIENT_NUM_CONTEXTS; config[3].name = PAMI_CLIENT_NUM_LOCAL_TASKS; result = PAMI_Client_query(client, config, 4); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Client_query"); const size_t world_size = config[0].value.intval; const size_t world_rank = config[1].value.intval; const size_t num_contexts = config[2].value.intval; const size_t num_local_tasks = config[3].value.intval; TEST_ASSERT(num_contexts>1,"num_contexts>1"); int ppn = (int)num_local_tasks; int nnodes = world_size/ppn; int mycore = world_size%nnodes; int mynode = (world_rank-mycore)/ppn; if (world_rank==0) { printf("hello world from rank %ld of %ld, node %d of %d, core %d of %d \n", world_rank, world_size, mynode, nnodes, mycore, ppn ); fflush(stdout); } /* initialize the contexts */ contexts = (pami_context_t *) safemalloc( num_contexts * sizeof(pami_context_t) ); result = PAMI_Context_createv( client, NULL, 0, contexts, num_contexts ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_createv"); /* setup the world geometry */ pami_geometry_t world_geometry; result = PAMI_Geometry_world(client, &world_geometry ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Geometry_world"); #ifdef PROGRESS_THREAD int status = pthread_create(&Progress_thread, NULL, &Progress_function, NULL); TEST_ASSERT(status==0, "pthread_create"); #endif /************************************************************************/ for (int n=1; n<=(256*1024); n*=2) { if (world_rank==0) { printf("starting n = %d \n", n); fflush(stdout); } result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); double * sbuf = safemalloc(world_size*n*sizeof(double)); double * rbuf = safemalloc(world_size*n*sizeof(double)); for (int s=0; s<world_size; s++ ) for (int k=0; k<n; k++) sbuf[s*n+k] = world_rank*n+k; for (int s=0; s<world_size; s++ ) for (int k=0; k<n; k++) rbuf[s*n+k] = -1.0; result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); size_t bytes = world_size * n * sizeof(double), bytes_out; pami_memregion_t shared_mr; result = PAMI_Memregion_create(contexts[1], rbuf, bytes, &bytes_out, &shared_mr); TEST_ASSERT(result == PAMI_SUCCESS && bytes==bytes_out,"PAMI_Memregion_create"); pami_memregion_t local_mr; result = PAMI_Memregion_create(contexts[0], sbuf, bytes, &bytes_out, &local_mr); TEST_ASSERT(result == PAMI_SUCCESS && bytes==bytes_out,"PAMI_Memregion_create"); result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); pami_endpoint_t * target_eps = (pami_endpoint_t *) safemalloc( world_size * sizeof(pami_endpoint_t) ); for (int target=0; target<world_size; target++) { result = PAMI_Endpoint_create(client, (pami_task_t) target, 1 /* async context*/, &(target_eps[target]) ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Endpoint_create"); } result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); pami_memregion_t * shmrs = (pami_memregion_t *) safemalloc( world_size * sizeof(pami_memregion_t) ); result = allgather(world_geometry, contexts[0], sizeof(pami_memregion_t), &shared_mr, shmrs); TEST_ASSERT(result == PAMI_SUCCESS,"allgather"); if (world_rank==0) { printf("starting A2A \n"); fflush(stdout); } result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); #ifdef SEPARATE_COMPLETION done_t active = { .local = world_size, .remote = world_size }; #else int active = world_size; #endif uint64_t t0 = GetTimeBase(); for (int count=0; count<world_size; count++) { int t = world_rank+count; int target = t%world_size; //printf("%ld: attempting Rput to %ld (bytes=%ld,loff=%ld, roff=%ld) \n", // (long)world_rank, (long)target, bytes, n*sizeof(double), // target*n*sizeof(double), world_rank*n*sizeof(double)); //printf("%ld: attempting Rput to %ld \n", (long)world_rank, (long)target), //fflush(stdout); pami_rput_simple_t parameters; parameters.rma.dest = target_eps[target]; //parameters.rma.hints = ; parameters.rma.bytes = n*sizeof(double); parameters.rma.cookie = &active; #ifdef SEPARATE_COMPLETION parameters.rma.done_fn = cb_done_local; parameters.put.rdone_fn = cb_done_remote; #else parameters.rma.done_fn = NULL; parameters.put.rdone_fn = cb_done; #endif parameters.rdma.local.mr = &local_mr; parameters.rdma.local.offset = target*n*sizeof(double); parameters.rdma.remote.mr = &shmrs[target]; parameters.rdma.remote.offset = world_rank*n*sizeof(double); result = PAMI_Rput(contexts[0], ¶meters); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Rput"); } #ifdef SEPARATE_COMPLETION while (active.local>0) { result = PAMI_Context_trylock_advancev(&(contexts[0]), 1, 1000); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_trylock_advancev"); } #endif uint64_t t1 = GetTimeBase(); double dt1 = (t1-t0)*tic; #ifdef SEPARATE_COMPLETION while (active.remote>0) #else while (active>0) #endif { result = PAMI_Context_trylock_advancev(&(contexts[0]), 1, 1000); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_trylock_advancev"); } uint64_t t2 = GetTimeBase(); double dt2 = (t2-t0)*tic; result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); double megabytes = 1.e-6*bytes; printf("%ld: PAMI_Rput A2A: %ld bytes per rank, local %lf seconds (%lf MB/s), remote %lf seconds (%lf MB/s) \n", (long)world_rank, n*sizeof(double), dt1, megabytes/dt1, dt2, megabytes/dt2 ); fflush(stdout); result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); for (int s=0; s<world_size; s++ ) for (int k=0; k<n; k++) { if (rbuf[s*n+k]!=(1.0*s*n+1.0*k)) printf("%4d: rbuf[%d] = %lf (%lf) \n", (int)world_rank, s*n+k, rbuf[s*n+k], (1.0*s*n+1.0*k) ); } fflush(stdout); result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); result = PAMI_Memregion_destroy(contexts[0], &shared_mr); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Memregion_destroy"); result = PAMI_Memregion_destroy(contexts[0], &local_mr); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Memregion_destroy"); free(target_eps); free(shmrs); free(rbuf); free(sbuf); } /************************************************************************/ #ifdef PROGRESS_THREAD void * rv; status = pthread_cancel(Progress_thread); TEST_ASSERT(status==0, "pthread_cancel"); status = pthread_join(Progress_thread, &rv); TEST_ASSERT(status==0, "pthread_join"); #endif result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); /* finalize the contexts */ result = PAMI_Context_destroyv( contexts, num_contexts ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_destroyv"); free(contexts); /* finalize the client */ result = PAMI_Client_destroy( &client ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Client_destroy"); if (world_rank==0) printf("%ld: end of test \n", world_rank ); fflush(stdout); return 0; }
int main(int argc, char ** argv) { pami_client_t client; pami_context_t context; pami_result_t status = PAMI_ERROR; pami_configuration_t pami_config; pami_geometry_t world_geo; size_t barrier_alg_num[2]; pami_algorithm_t* bar_always_works_algo = NULL; pami_metadata_t* bar_always_works_md = NULL; pami_algorithm_t* bar_must_query_algo = NULL; pami_metadata_t* bar_must_query_md = NULL; pami_xfer_t barrier; int my_id; volatile int is_fence_done = 0; volatile int is_barrier_done = 0; /* create PAMI client */ RC( PAMI_Client_create("TEST", &client, NULL, 0) ); DBG_FPRINTF((stderr,"Client created successfully at 0x%p\n",client)); /* create PAMI context */ RC( PAMI_Context_createv(client, NULL, 0, &context, 1) ); DBG_FPRINTF((stderr,"Context created successfully at 0x%p\n",context)); /* query my task id */ bzero(&pami_config, sizeof(pami_configuration_t)); pami_config.name = PAMI_CLIENT_TASK_ID; RC( PAMI_Client_query(client, &pami_config, 1) ); my_id = pami_config.value.intval; DBG_FPRINTF((stderr,"My task id is %d\n", my_id)); /* get the world geometry */ RC( PAMI_Geometry_world(client, &world_geo) ); DBG_FPRINTF((stderr,"World geometry is at 0x%p\n",world_geo)); /* query number of barrier algorithms */ RC( PAMI_Geometry_algorithms_num(world_geo, PAMI_XFER_BARRIER, barrier_alg_num) ); DBG_FPRINTF((stderr,"%d-%d algorithms are available for barrier op\n", barrier_alg_num[0], barrier_alg_num[1])); if (barrier_alg_num[0] <= 0) { fprintf (stderr, "Error. No (%lu) algorithm is available for barrier op\n", barrier_alg_num[0]); return 1; } /* query barrier algorithm list */ bar_always_works_algo = (pami_algorithm_t*)malloc(sizeof(pami_algorithm_t)*barrier_alg_num[0]); bar_always_works_md = (pami_metadata_t*)malloc(sizeof(pami_metadata_t)*barrier_alg_num[0]); bar_must_query_algo = (pami_algorithm_t*)malloc(sizeof(pami_algorithm_t)*barrier_alg_num[1]); bar_must_query_md = (pami_metadata_t*)malloc(sizeof(pami_metadata_t)*barrier_alg_num[1]); RC( PAMI_Geometry_algorithms_query(world_geo, PAMI_XFER_BARRIER, bar_always_works_algo, bar_always_works_md, barrier_alg_num[0], bar_must_query_algo, bar_must_query_md, barrier_alg_num[1]) ); DBG_FPRINTF((stderr,"Algorithm [%s] at 0x%p will be used for barrier op\n", bar_always_works_md[0].name, bar_always_works_algo[0])); /* begin PAMI fence */ RC( PAMI_Fence_begin(context) ); DBG_FPRINTF((stderr,"PAMI fence begins\n")); /* ------------------------------------------------------------------------ */ pami_extension_t extension; const char ext_name[] = "EXT_hfi_extension"; const char sym_name[] = "hfi_remote_update"; hfi_remote_update_fn remote_update = NULL; hfi_remote_update_info_t remote_info; pami_memregion_t mem_region; size_t mem_region_sz = 0; unsigned long long operand = 1234; unsigned long long orig_val = 0; int offset = (operand)%MAX_TABLE_SZ; /* initialize table for remote update operation */ int i; for (i = 0; i < MAX_TABLE_SZ; i ++) { table[i] = (unsigned long long) i; } orig_val = table[offset]; /* open PAMI extension */ RC( PAMI_Extension_open (client, ext_name, &extension) ); DBG_FPRINTF((stderr,"Open %s successfully.\n", ext_name)); /* load PAMI extension function */ remote_update = (hfi_remote_update_fn) PAMI_Extension_symbol (extension, sym_name); if (remote_update == (void *)NULL) { fprintf (stderr, "Error. Failed to load %s function in %s\n", sym_name, ext_name); return 1; } else { DBG_FPRINTF((stderr,"Loaded function %s in %s successfully.\n", sym_name, ext_name)); } /* create a memory region for remote update operation */ RC( PAMI_Memregion_create(context, table, MAX_TABLE_SZ*sizeof(unsigned long long), &mem_region_sz, &mem_region) ); DBG_FPRINTF((stderr,"%d-byte PAMI memory region created successfully.\n", mem_region_sz)); /* perform a PAMI barrier */ is_barrier_done = 0; barrier.cb_done = barrier_done; barrier.cookie = (void*)&is_barrier_done; barrier.algorithm = bar_always_works_algo[0]; RC( PAMI_Collective(context, &barrier) ); DBG_FPRINTF((stderr,"PAMI barrier op invoked successfully.\n")); while (is_barrier_done == 0) PAMI_Context_advance(context, 1000); DBG_FPRINTF((stderr,"PAMI barrier op finished successfully.\n")); RC( PAMI_Context_lock(context) ); /* prepare remote update info */ remote_info.dest = my_id^1; remote_info.op = 0; /* op_add */ remote_info.atomic_operand = operand; remote_info.dest_buf = (unsigned long long)(&(table[offset])); /* invoke remote update PAMI extension function */ RC( remote_update(context, 1, &remote_info) ); DBG_FPRINTF((stderr,"Function %s invoked successfully.\n", sym_name)); RC( PAMI_Context_unlock(context) ); /* perform a PAMI fence */ is_fence_done = 0; RC( PAMI_Fence_all(context, fence_done, (void*)&is_fence_done) ); DBG_FPRINTF((stderr,"PAMI_Fence_all invoked successfully.\n")); while (is_fence_done == 0) PAMI_Context_advance(context, 1000); DBG_FPRINTF((stderr,"PAMI_Fence_all finished successfully.\n")); /* perform a PAMI barrier */ is_barrier_done = 0; barrier.cb_done = barrier_done; barrier.cookie = (void*)&is_barrier_done; barrier.algorithm = bar_always_works_algo[0]; RC( PAMI_Collective(context, &barrier) ); DBG_FPRINTF((stderr,"PAMI barrier op invoked successfully.\n")); while (is_barrier_done == 0) PAMI_Context_advance(context, 1000); DBG_FPRINTF((stderr,"PAMI barrier op finished successfully.\n")); /* verify data after remote update operation */ if (table[offset] != orig_val + operand) { printf("Data verification at offset %d with operand %lu failed: " "[%lu expected with %lu updated]\n", offset, operand, orig_val+operand, table[offset]); } else { printf("Data verification at offset %d with operand %lu passed: " "[%lu expected with %lu updated].\n", offset, operand, orig_val+operand, table[offset]); } /* destroy the memory region after remote update operation */ RC( PAMI_Memregion_destroy(context, &mem_region) ); DBG_FPRINTF((stderr,"PAMI memory region removed successfully.\n")); /* close PAMI extension */ RC( PAMI_Extension_close (extension) ); DBG_FPRINTF((stderr,"Close %s successfully.\n", ext_name)); /* ------------------------------------------------------------------------ */ /* end PAMI fence */ RC( PAMI_Fence_end(context) ); DBG_FPRINTF((stderr,"PAMI fence ends\n")); /* destroy PAMI context */ RC( PAMI_Context_destroyv(&context, 1) ); DBG_FPRINTF((stderr, "PAMI context destroyed successfully\n")); /* destroy PAMI client */ RC( PAMI_Client_destroy(&client) ); DBG_FPRINTF((stderr, "PAMI client destroyed successfully\n")); return 0; }
int main(int argc, char* argv[]) { pami_result_t result = PAMI_ERROR; /* initialize the second client */ char * clientname = ""; pami_client_t client; result = PAMI_Client_create(clientname, &client, NULL, 0); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Client_create"); /* query properties of the client */ pami_configuration_t config[3]; size_t num_contexts; config[0].name = PAMI_CLIENT_NUM_TASKS; config[1].name = PAMI_CLIENT_TASK_ID; config[2].name = PAMI_CLIENT_NUM_CONTEXTS; result = PAMI_Client_query(client, config, 3); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Client_query"); world_size = config[0].value.intval; world_rank = config[1].value.intval; num_contexts = config[2].value.intval; TEST_ASSERT(num_contexts>1,"num_contexts>1"); if (world_rank==0) { printf("hello world from rank %ld of %ld \n", world_rank, world_size ); fflush(stdout); } /* initialize the contexts */ contexts = (pami_context_t *) safemalloc( num_contexts * sizeof(pami_context_t) ); result = PAMI_Context_createv( client, NULL, 0, contexts, num_contexts ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_createv"); /* setup the world geometry */ pami_geometry_t world_geometry; result = PAMI_Geometry_world(client, &world_geometry ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Geometry_world"); int status = pthread_create(&Progress_thread, NULL, &Progress_function, NULL); TEST_ASSERT(status==0, "pthread_create"); /************************************************************************/ int n = (argc>1 ? atoi(argv[1]) : 1000000); size_t bytes = n * sizeof(int), bytes_out; int * shared = (int *) safemalloc(bytes); for (int i=0; i<n; i++) shared[i] = -1; pami_memregion_t shared_mr; result = PAMI_Memregion_create(contexts[1], shared, bytes, &bytes_out, &shared_mr); TEST_ASSERT(result == PAMI_SUCCESS && bytes==bytes_out,"PAMI_Memregion_create"); int * local = (int *) safemalloc(bytes); for (int i=0; i<n; i++) local[i] = world_rank; pami_memregion_t local_mr; result = PAMI_Memregion_create(contexts[0], local, bytes, &bytes_out, &local_mr); TEST_ASSERT(result == PAMI_SUCCESS && bytes==bytes_out,"PAMI_Memregion_create"); result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); pami_memregion_t * shmrs = (pami_memregion_t *) safemalloc( world_size * sizeof(pami_memregion_t) ); result = allgather(world_geometry, contexts[0], sizeof(pami_memregion_t), &shared_mr, shmrs); TEST_ASSERT(result == PAMI_SUCCESS,"allgather"); int target = (world_rank>0 ? world_rank-1 : world_size-1); pami_endpoint_t target_ep; result = PAMI_Endpoint_create(client, (pami_task_t) target, 1, &target_ep); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Endpoint_create"); result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); int active = 2; pami_rput_simple_t parameters; parameters.rma.dest = target_ep; //parameters.rma.hints = ; parameters.rma.bytes = bytes; parameters.rma.cookie = &active; parameters.rma.done_fn = cb_done; parameters.rdma.local.mr = &local_mr; parameters.rdma.local.offset = 0; parameters.rdma.remote.mr = &shmrs[target]; parameters.rdma.remote.offset = 0; parameters.put.rdone_fn = cb_done; uint64_t t0 = GetTimeBase(); result = PAMI_Rput(contexts[0], ¶meters); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Rput"); while (active) { //result = PAMI_Context_advance( contexts[0], 100); //TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_advance"); result = PAMI_Context_trylock_advancev(&(contexts[0]), 1, 1000); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_trylock_advancev"); } uint64_t t1 = GetTimeBase(); uint64_t dt = t1-t0; /* barrier on non-progressing context to make sure CHT does its job */ barrier(world_geometry, contexts[0]); printf("%ld: PAMI_Rput of %ld bytes achieves %lf MB/s \n", (long)world_rank, bytes, 1.6e9*1e-6*(double)bytes/(double)dt ); fflush(stdout); int errors = 0; target = (world_rank<(world_size-1) ? world_rank+1 : 0); for (int i=0; i<n; i++) if (shared[i] != target) errors++; if (errors>0) for (int i=0; i<n; i++) if (shared[i] != target) printf("%ld: shared[%d] = %d (%d) \n", (long)world_rank, i, shared[i], target); else printf("%ld: no errors :-) \n", (long)world_rank); fflush(stdout); result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); result = PAMI_Memregion_destroy(contexts[0], &shared_mr); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Memregion_destroy"); result = PAMI_Memregion_destroy(contexts[0], &local_mr); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Memregion_destroy"); free(shmrs); free(local); free(shared); /************************************************************************/ void * rv; status = pthread_cancel(Progress_thread); TEST_ASSERT(status==0, "pthread_cancel"); status = pthread_join(Progress_thread, &rv); TEST_ASSERT(status==0, "pthread_join"); result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); /* finalize the contexts */ result = PAMI_Context_destroyv( contexts, num_contexts ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_destroyv"); free(contexts); /* finalize the client */ result = PAMI_Client_destroy( &client ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Client_destroy"); if (world_rank==0) printf("%ld: end of test \n", world_rank ); fflush(stdout); return 0; }
int main(int argc, char* argv[]) { pami_result_t result = PAMI_ERROR; /* initialize the second client */ char * clientname = ""; pami_client_t client; result = PAMI_Client_create(clientname, &client, NULL, 0); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Client_create"); /* query properties of the client */ pami_configuration_t config[4]; config[0].name = PAMI_CLIENT_NUM_TASKS; config[1].name = PAMI_CLIENT_TASK_ID; config[2].name = PAMI_CLIENT_NUM_CONTEXTS; config[3].name = PAMI_CLIENT_NUM_LOCAL_TASKS; result = PAMI_Client_query(client, config, 4); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Client_query"); const size_t world_size = config[0].value.intval; const size_t world_rank = config[1].value.intval; const size_t num_contexts = (config[2].value.intval > 32) ? 32 : config[2].value.intval; /* because I only need 16+16 contexts in c1 mode */ const size_t num_local_tasks = config[3].value.intval; TEST_ASSERT(num_contexts>1,"num_contexts>1"); const int ppn = (int)num_local_tasks; const int nnodes = world_size/ppn; const int mycore = world_size%nnodes; const int mynode = (world_rank-mycore)/ppn; const int num_sync = num_contexts/2; const int num_async = num_contexts/2; const int async_context_begin = num_sync+1; const int async_context_end = num_contexts; if (world_rank==0) { printf("hello world from rank %ld of %ld, node %d of %d, core %d of %d \n", world_rank, world_size, mynode, nnodes, mycore, ppn ); printf("num_contexts = %ld, async_context_begin = %d, async_context_end = %d \n", num_contexts, async_context_begin, async_context_end); fflush(stdout); } /* initialize the contexts */ contexts = (pami_context_t *) safemalloc( num_contexts * sizeof(pami_context_t) ); result = PAMI_Context_createv( client, NULL, 0, contexts, num_contexts ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_createv"); /* setup the world geometry */ pami_geometry_t world_geometry; result = PAMI_Geometry_world(client, &world_geometry ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Geometry_world"); /************************************************************************/ for (int n=1; n<=(256*1024); n*=2) { if (world_rank==0) { printf("starting n = %d \n", n); fflush(stdout); } result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); double * sbuf = safemalloc(world_size*n*sizeof(double)); double * rbuf = safemalloc(world_size*n*sizeof(double)); for (int s=0; s<world_size; s++ ) for (int k=0; k<n; k++) sbuf[s*n+k] = world_rank*n+k; for (int s=0; s<world_size; s++ ) for (int k=0; k<n; k++) rbuf[s*n+k] = -1.0; result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); size_t bytes = world_size * n * sizeof(double), bytes_out; pami_memregion_t * local_mr = safemalloc(num_sync * sizeof(pami_memregion_t) ); pami_memregion_t * shared_mr = safemalloc(num_sync * sizeof(pami_memregion_t) ); for (int i=0; i<num_sync; i++) { result = PAMI_Memregion_create(contexts[i], rbuf, bytes, &bytes_out, &(local_mr[i])); TEST_ASSERT(result == PAMI_SUCCESS && bytes==bytes_out,"PAMI_Memregion_create"); result = PAMI_Memregion_create(contexts[async_context_begin+i], sbuf, bytes, &bytes_out, &(shared_mr[i])); TEST_ASSERT(result == PAMI_SUCCESS && bytes==bytes_out,"PAMI_Memregion_create"); } result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); pami_endpoint_t * target_eps = (pami_endpoint_t *) safemalloc( num_async * world_size * sizeof(pami_endpoint_t) ); for (int target=0; target<world_size; target++) for (int i=0; i<num_async; i++) { result = PAMI_Endpoint_create(client, (pami_task_t) target, i, &(target_eps[target*num_async+i]) ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Endpoint_create"); } result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); pami_memregion_t * shmrs = (pami_memregion_t *) safemalloc( num_async * world_size * sizeof(pami_memregion_t) ); result = allgather(world_geometry, contexts[0], num_async * sizeof(pami_memregion_t), shared_mr, shmrs); TEST_ASSERT(result == PAMI_SUCCESS,"allgather"); /* check now that count will not iterate over an incomplete iteration space */ int remote_targets_per_thread = world_size/num_sync; assert((world_size%num_sync)==0); if (world_rank==0) { printf("starting A2A \n"); fflush(stdout); } result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); int active = world_size; uint64_t t0 = GetTimeBase(); result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); /* GCC prior to 4.7 will not permit const variables to be private i.e. firstprivate */ #ifdef _OPENMP #pragma omp parallel default(shared) firstprivate(n, num_async, num_sync) #endif { #ifdef _OPENMP int tid = omp_get_thread_num(); #else int tid = 0; #endif for (int count=0; count<remote_targets_per_thread; count++) { int target = remote_targets_per_thread*tid + count; target += world_rank; target = target % world_size; //printf("%ld: attempting Rget to %ld \n", (long)world_rank, (long)target); //fflush(stdout); int local_context = tid; /* each thread uses its own context so this is thread-safe */ int remote_context = target % num_async; pami_rget_simple_t parameters; parameters.rma.dest = target_eps[target*num_async+remote_context]; //parameters.rma.hints = ; parameters.rma.bytes = n*sizeof(double); parameters.rma.cookie = &active; parameters.rma.done_fn = cb_done; parameters.rdma.local.mr = &local_mr[local_context]; parameters.rdma.local.offset = target*n*sizeof(double); parameters.rdma.remote.mr = &shmrs[target*num_async+remote_context]; parameters.rdma.remote.offset = world_rank*n*sizeof(double); result = PAMI_Rget(contexts[local_context], ¶meters); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Rget"); } } uint64_t t1 = GetTimeBase(); double dt1 = (t1-t0)*tic; while (active>0) { result = PAMI_Context_trylock_advancev(&(contexts[0]), num_sync+num_async, 1000); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_trylock_advancev"); } result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); uint64_t t2 = GetTimeBase(); double dt2 = (t2-t0)*tic; //result = barrier(world_geometry, contexts[0]); //TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); double megabytes = 1.e-6*bytes; printf("%ld: PAMI_Rget A2A: %ld bytes per rank, local %lf seconds (%lf MB/s), remote %lf seconds (%lf MB/s) \n", (long)world_rank, n*sizeof(double), dt1, megabytes/dt1, dt2, megabytes/dt2 ); fflush(stdout); result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); for (int s=0; s<world_size; s++ ) for (int k=0; k<n; k++) { if (rbuf[s*n+k]!=(1.0*s*n+1.0*k)) printf("%4d: rbuf[%d] = %lf (%lf) \n", (int)world_rank, s*n+k, rbuf[s*n+k], (1.0*s*n+1.0*k) ); } fflush(stdout); result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); for (int i=0; i<num_async; i++) { result = PAMI_Memregion_destroy(contexts[i], &(local_mr[i]) ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Memregion_destroy"); result = PAMI_Memregion_destroy(contexts[async_context_begin+i], &(shared_mr[i]) ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Memregion_destroy"); } free(shared_mr); free(local_mr); free(target_eps); free(shmrs); free(rbuf); free(sbuf); } /************************************************************************/ result = barrier(world_geometry, contexts[0]); TEST_ASSERT(result == PAMI_SUCCESS,"barrier"); /* finalize the contexts */ result = PAMI_Context_destroyv( contexts, num_contexts ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_destroyv"); free(contexts); /* finalize the client */ result = PAMI_Client_destroy( &client ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Client_destroy"); if (world_rank==0) printf("%ld: end of test \n", world_rank ); fflush(stdout); return 0; }
int main(int argc, char* argv[]) { int status = MPI_SUCCESS; pami_result_t result = PAMI_ERROR; int provided = MPI_THREAD_SINGLE; MPI_Init_thread(&argc, &argv, MPI_THREAD_MULTIPLE, &provided); /* IBM: --ranks-per-node 64 fails to init threads but this */ /* IBM: testcase doesn't really care so don't exit */ TEST_ASSERT((provided>=MPI_THREAD_MULTIPLE),"MPI_Init_thread"); /* initialize the second client */ char * clientname = "test"; /* IBM: PE PAMI requires a client name */ pami_client_t client; result = PAMI_Client_create(clientname, &client, NULL, 0); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Client_create"); /* query properties of the client */ pami_configuration_t config[3]; size_t num_contexts; config[0].name = PAMI_CLIENT_NUM_TASKS; config[1].name = PAMI_CLIENT_TASK_ID; config[2].name = PAMI_CLIENT_NUM_CONTEXTS; result = PAMI_Client_query(client, config, 3); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Client_query"); world_size = config[0].value.intval; world_rank = config[1].value.intval; num_contexts = config[2].value.intval; if (world_rank==0) printf("hello world from rank %ld of %ld, number of contexts %zu \n", world_rank, world_size, num_contexts );/*IBM: debug num_contexts */ fflush(stdout); /* initialize the contexts */ pami_context_t * contexts; contexts = (pami_context_t *) safemalloc( num_contexts * sizeof(pami_context_t) ); result = PAMI_Context_createv( client, NULL, 0, contexts, num_contexts ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_createv"); /************************************************************************/ /* IBM: Updating the test with the assumption that we will Rput the */ /* IBM: local byte array to our neighbor's shared byte array. */ int n = (argc>1 ? atoi(argv[1]) : 1000); size_t bytes = n * sizeof(int), bytes_out;/* IBM: debug - scale up testing */ int * shared = (int *) safemalloc(bytes); for (int i=0; i<n; i++) shared[i] = -1; /*IBM: initialize with -1, replaced with neighbor's rank */ pami_memregion_t shared_mr; result = PAMI_Memregion_create(contexts[0], shared, bytes, &bytes_out, &shared_mr); TEST_ASSERT(result == PAMI_SUCCESS && bytes==bytes_out,"PAMI_Memregion_create"); int * local = (int *) safemalloc(bytes); for (int i=0; i<n; i++) local[i] = world_rank; /*IBM: initialize with our rank */ pami_memregion_t local_mr; result = PAMI_Memregion_create(contexts[0], local, bytes, &bytes_out, &local_mr); /* IBM: local */ TEST_ASSERT(result == PAMI_SUCCESS && bytes==bytes_out,"PAMI_Memregion_create"); status = MPI_Barrier(MPI_COMM_WORLD); TEST_ASSERT(result == MPI_SUCCESS,"MPI_Barrier"); pami_memregion_t * shmrs = (pami_memregion_t *) safemalloc( world_size * sizeof(pami_memregion_t) ); status = MPI_Allgather(&shared_mr, sizeof(pami_memregion_t), MPI_BYTE, shmrs, sizeof(pami_memregion_t), MPI_BYTE, MPI_COMM_WORLD); TEST_ASSERT(result == MPI_SUCCESS,"MPI_Allgather"); int target = (world_rank>0 ? world_rank-1 : world_size-1); pami_endpoint_t target_ep; result = PAMI_Endpoint_create(client, (pami_task_t) target, 0, &target_ep); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Endpoint_create"); int active = 2; pami_rput_simple_t parameters; parameters.rma.dest = target_ep; parameters.rma.bytes = bytes; parameters.rma.cookie = &active; parameters.rma.done_fn = cb_done; parameters.rdma.local.mr = &local_mr; parameters.rdma.local.offset = 0; parameters.rdma.remote.mr = &shmrs[target]; /*IBM: target's mem region */ parameters.rdma.remote.offset = 0; parameters.put.rdone_fn = cb_done; result = PAMI_Rput(contexts[0], ¶meters); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Rput"); while (active) { //result = PAMI_Context_advance( contexts[0], 100); //TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_advance"); result = PAMI_Context_trylock_advancev(contexts, 1, 1000); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_trylock_advancev"); } /* IBM: I'm done with Rput but my world_rank + 1 neighbor might not be so need to advance */ /* IBM: Could do a barrier or send/recv a completion message instead ....*/ active = 10; /* IBM: Arbitrary - advance some more - 10*10000 good enough? */ while (--active) /* IBM*/ { /* IBM*/ result = PAMI_Context_trylock_advancev(contexts, 1, 10000); /* IBM*/ /*TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_trylock_advancev");*/ /* IBM*/ } /* IBM*/ int errors = 0; target = (world_rank<(world_size-1) ? world_rank+1 : 0); for (int i=0; i<n; i++) if ((shared[i] != target) || (local[i] != world_rank)) /*IBM: also verify didn't change local */ errors++; if (errors>0) { printf("%ld: %d errors :-( \n", (long)world_rank, errors); /*IBM: grep "errors" in scaled up output */ for (int i=0; i<n; i++) printf("%ld: local[%d] = %d , shared[%d] = %d (%d) \n", (long)world_rank, i, local[i], i, shared[i], target); /*IBM: print both arrays */ } else printf("%ld: no errors :-) \n", (long)world_rank); MPI_Barrier(MPI_COMM_WORLD); result = PAMI_Memregion_destroy(contexts[0], &shared_mr); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Memregion_destroy"); result = PAMI_Memregion_destroy(contexts[0], &local_mr); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Memregion_destroy"); free(shmrs); free(local); free(shared); /************************************************************************/ /* finalize the contexts */ result = PAMI_Context_destroyv( contexts, num_contexts ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Context_destroyv"); free(contexts); /* finalize the client */ result = PAMI_Client_destroy( &client ); TEST_ASSERT(result == PAMI_SUCCESS,"PAMI_Client_destroy"); status = MPI_Barrier(MPI_COMM_WORLD); TEST_ASSERT(result == MPI_SUCCESS,"MPI_Barrier"); MPI_Finalize(); if (world_rank==0) printf("%ld: end of test \n", world_rank ); fflush(stdout); return 0; }