static void dispatch_rts ( pami_context_t context, /**< IN: PAMI context */ void * cookie, /**< IN: dispatch cookie */ const void * header_addr, /**< IN: header address */ size_t header_size, /**< IN: header size */ const void * pipe_addr, /**< IN: address of PAMI pipe buffer */ size_t pipe_size, /**< IN: size of PAMI pipe buffer */ pami_endpoint_t origin, pami_recv_t * recv) /**< OUT: receive message structure */ { volatile size_t * active = (volatile size_t *) cookie; fprintf (stderr, ">> 'rts' dispatch function. cookie = %p (active: %zu), header_size = %zu, pipe_size = %zu, recv = %p\n", cookie, *active, header_size, pipe_size, recv); rts_info_t * rts = (rts_info_t *) header_addr; fprintf (stderr, " 'rts' dispatch function. rts->origin = 0x%08x, rts->bytes = %zu\n", rts->origin, rts->bytes); /*assert(pipe_addr!=NULL); */ /*pami_memregion_t * origin_memregion = (pami_memregion_t *) pipe_addr; */ get_info_t * get = (get_info_t *) malloc (sizeof(get_info_t)); get->value = active; get->origin = rts->origin; get->bytes = rts->bytes; get->pad = 16; initialize_data (get->buffer, 0, 6); print_data (get->buffer, 12*4); /* Create a memregion for the data buffer. */ size_t bytes = 0; pami_result_t pami_rc = PAMI_Memregion_create (context, get->buffer, 12*4, &bytes, &(get->memregion)); if (PAMI_SUCCESS != pami_rc) { fprintf (stderr, "PAMI_Memregion_create failed with rc = %d\n", pami_rc) ; exit(1); } /* Perform the rdma get operation */ pami_rget_simple_t parameters; parameters.rma.dest = rts->origin; parameters.rma.bytes = rts->bytes; parameters.rma.cookie = get; parameters.rma.done_fn = get_done; parameters.rdma.local.mr = &(get->memregion); parameters.rdma.local.offset = 16; parameters.rdma.remote.mr = &(rts->memregion); parameters.rdma.remote.offset = 0; fprintf (stderr, " 'rts' dispatch function. Before PAMI_Rget()\n"); pami_result_t status = PAMI_Rget (context, ¶meters); fprintf (stderr, " 'rts' dispatch function. After PAMI_Rget(), status = %d\n", status); if (status != PAMI_SUCCESS) get_done (context, (void *) get, status); fprintf (stderr, "<< 'rts' dispatch function.\n"); return; }
int MPIDI_Win_allgather( MPI_Aint size, MPID_Win **win_ptr ) { int mpi_errno = MPI_SUCCESS; MPID_Win *win; int rank; MPID_Comm *comm_ptr; size_t length_out = 0; pami_result_t rc; MPIDI_Win_info *winfo; static char FCNAME[] = "MPIDI_Win_allgather"; win = *win_ptr; comm_ptr = win->comm_ptr; rank = comm_ptr->rank; winfo = &win->mpid.info[rank]; if (size != 0 && win->create_flavor != MPI_WIN_FLAVOR_SHARED) { #ifndef USE_PAMI_RDMA if (!MPIDI_Process.mp_s_use_pami_get) { #endif /* --------------------------------------- */ /* Setup the PAMI sections of the window */ /* --------------------------------------- */ rc = PAMI_Memregion_create(MPIDI_Context[0], win->mpid.info[rank].base_addr, win->size, &length_out, &winfo->memregion); #ifdef USE_PAMI_RDMA MPIU_ERR_CHKANDJUMP((rc != PAMI_SUCCESS), mpi_errno, MPI_ERR_OTHER, "**nomem"); MPIU_ERR_CHKANDJUMP((win->size < length_out), mpi_errno, MPI_ERR_OTHER, "**nomem"); #else if (rc == PAMI_SUCCESS) { winfo->memregion_used = 1; MPID_assert(win->size == length_out); } } #endif } mpi_errno = MPIR_Allgather_impl(MPI_IN_PLACE, 0, MPI_DATATYPE_NULL, win->mpid.info, sizeof(struct MPIDI_Win_info), MPI_BYTE, comm_ptr, &mpi_errno); fn_fail: return mpi_errno; }
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; }
void test_fn (int argc, char * argv[], pami_client_t client, pami_context_t context[]) { int num_doubles = 16; if (argc > 1) num_doubles = atoi (argv[1]); size_t num_tasks = size (client); pami_task_t my_task_id = task (client); pami_task_t target_task_id = num_tasks - 1; pami_task_t origin_task_id = 0; /* * Allocate a 'window' of memory region information, one for each task in the * client. Only the 'local' memory region information for this task will * contain a valid data buffer. The memory region information is marked * 'active' when the memory regions are received from each remote task. */ memregion_information_t * mr_info = (memregion_information_t *) malloc (sizeof(memregion_information_t) * num_tasks); unsigned i; for (i = 0; i < num_tasks; i++) { mr_info[i].data.iov_len = 0; mr_info[i].data.iov_base = NULL; mr_info[i].active = 0; } /* * Create a local memregion for each context. * * Note that both memregions will describe the same memory location. This is * necessary when writing portable, platform independent code as the physical * hardware underlying the contexts may, or may not, require separate memory * pinning. */ size_t actual_memregion_bytes = 0; mr_info[my_task_id].data.iov_base = malloc (sizeof(double) * num_doubles); mr_info[my_task_id].data.iov_len = sizeof(double) * num_doubles; PAMI_Memregion_create (context[0], mr_info[my_task_id].data.iov_base, mr_info[my_task_id].data.iov_len, & actual_memregion_bytes, & mr_info[my_task_id].memregion[0]); PAMI_Memregion_create (context[1], mr_info[my_task_id].data.iov_base, mr_info[my_task_id].data.iov_len, & actual_memregion_bytes, & mr_info[my_task_id].memregion[1]); mr_info[my_task_id].active = 1; /* * Register the memory region exchange dispatch; only needed on the * first context of each task. */ pami_dispatch_hint_t mr_hint = {0}; pami_dispatch_callback_function mr_dispatch; mr_dispatch.p2p = exchange_memregion_recv_cb; PAMI_Dispatch_set (context[0], MEMREGION_EXCHANGE_DISPATCH_ID, mr_dispatch, (void *) mr_info, mr_hint); accumulate_test_information_t test_info; test_info.data_buffer.iov_base = malloc (sizeof(double) * num_doubles); test_info.data_buffer.iov_len = sizeof(double) * num_doubles; test_info.scalar = 1.2; test_info.data_fn[ACCUMULATE_TEST_SCALAR_SUM] = accumulate_scalar_sum_data_function; test_info.data_cookie[ACCUMULATE_TEST_SCALAR_SUM] = (void *) & test_info.scalar; test_info.data_fn[ACCUMULATE_TEST_VECTOR_SUM] = accumulate_vector_sum_data_function; test_info.data_cookie[ACCUMULATE_TEST_VECTOR_SUM] = malloc (sizeof(double) * num_doubles); test_info.data_fn[ACCUMULATE_TEST_SCALAR_SUBTRACT] = accumulate_scalar_subtract_data_function; test_info.data_cookie[ACCUMULATE_TEST_SCALAR_SUBTRACT] = (void *) & test_info.scalar; test_info.data_fn[ACCUMULATE_TEST_VECTOR_SUBTRACT] = accumulate_vector_subtract_data_function; test_info.data_cookie[ACCUMULATE_TEST_VECTOR_SUBTRACT] = malloc (sizeof(double) * num_doubles); test_info.data_fn[ACCUMULATE_TEST_VECTOR_MAX_SUM] = accumulate_vector_max_sum_data_function; test_info.data_cookie[ACCUMULATE_TEST_VECTOR_MAX_SUM] = malloc (sizeof(double) * num_doubles); test_info.data_fn[ACCUMULATE_TEST_VECTOR_MIN_SUM] = accumulate_vector_min_sum_data_function; test_info.data_cookie[ACCUMULATE_TEST_VECTOR_MIN_SUM] = malloc (sizeof(double) * num_doubles); /* * Register the accumulate dispatch; needed on both * contexts to enable "crosstalk". */ pami_dispatch_hint_t acc_hint = {0}; acc_hint.recv_immediate = PAMI_HINT_DISABLE; pami_dispatch_callback_function acc_dispatch; acc_dispatch.p2p = accumulate_test_recv_cb; PAMI_Dispatch_set (context[0], ACCUMULATE_TEST_DISPATCH_ID, acc_dispatch, (void *) & test_info, acc_hint); PAMI_Dispatch_set (context[1], ACCUMULATE_TEST_DISPATCH_ID, acc_dispatch, (void *) & test_info, acc_hint); simple_barrier(client, context[0]); /* * Exchange the memory regions */ volatile unsigned mr_exchange_active = 0; pami_send_t mr_exchange_parameters = {0}; mr_exchange_parameters.send.dispatch = MEMREGION_EXCHANGE_DISPATCH_ID; mr_exchange_parameters.send.header.iov_base = NULL; mr_exchange_parameters.send.header.iov_len = 0; mr_exchange_parameters.send.data.iov_base = (void *) mr_info[my_task_id].memregion; mr_exchange_parameters.send.data.iov_len = sizeof(pami_memregion_t) * 2; mr_exchange_parameters.events.cookie = (void *) & mr_exchange_active; mr_exchange_parameters.events.local_fn = decrement; for (i = 0; i < num_tasks; i++) { if (i == my_task_id) continue; PAMI_Endpoint_create (client, i, 0, & mr_exchange_parameters.send.dest); mr_exchange_active++; PAMI_Send (context[0], & mr_exchange_parameters); } /* * Advance until local memory regions have been sent and * all memory regions have been received. */ unsigned num_memregions_active; do { num_memregions_active = 0; for (i = 0; i < num_tasks; i++) num_memregions_active += mr_info[i].active; PAMI_Context_advance (context[0], 1); } while (num_memregions_active < num_tasks); while (mr_exchange_active > 0) PAMI_Context_advance (context[0], 1); #ifdef ASYNC_PROGRESS async_progress_t async_progress; async_progress_open (client, &async_progress); async_progress_enable (&async_progress, context[1]); #endif if (my_task_id == target_task_id) { /* * This is the "passive target" task. */ #ifdef ASYNC_PROGRESS /* * Do "something" besides communication for a little bit. */ sleep(1); #else /* * Advance the second context for a little bit. */ fprintf (stdout, "(%03d) spoofing async progress\n", __LINE__); for (i=0; i<10; i++) { fprintf (stdout, "(%03d) 'async progress context' advancing\n", __LINE__); PAMI_Context_advance (context[1], 100000); fprintf (stdout, "(%03d) 'async progress context' sleeping\n", __LINE__); sleep(1); } #endif } else if (my_task_id == origin_task_id) { /* * This is the "active origin" task. */ { /* * Use rdma put to initialize the remote buffer with the local data. */ volatile unsigned rput_active = 1; pami_rput_simple_t rput_parameters = {0}; PAMI_Endpoint_create (client, target_task_id, 1, & rput_parameters.rma.dest); rput_parameters.rma.bytes = num_doubles * sizeof(double); rput_parameters.rdma.local.mr = mr_info[origin_task_id].memregion; rput_parameters.rdma.local.offset = 0; rput_parameters.rdma.remote.mr = mr_info[target_task_id].memregion; rput_parameters.rdma.remote.offset = 0; rput_parameters.put.rdone_fn = decrement; rput_parameters.rma.cookie = (void *) & rput_active; PAMI_Rput (context[0], & rput_parameters); while (rput_active > 0) PAMI_Context_advance (context[0], 1); } { volatile unsigned send_active = 0; accumulate_test_t test_id = ACCUMULATE_TEST_SCALAR_SUM; pami_send_t send_parameters = {0}; PAMI_Endpoint_create (client, target_task_id, 1, & send_parameters.send.dest); send_parameters.send.dispatch = ACCUMULATE_TEST_DISPATCH_ID; send_parameters.send.header.iov_len = sizeof (accumulate_test_t); send_parameters.send.header.iov_base = (void *) & test_id; send_parameters.send.data.iov_base = test_info.data_buffer.iov_base; send_parameters.send.data.iov_len = test_info.data_buffer.iov_len; send_parameters.events.remote_fn = decrement; send_parameters.events.cookie = (void *) & send_active; for (test_id = ACCUMULATE_TEST_SCALAR_SUM; test_id < ACCUMULATE_TEST_COUNT; test_id++) { send_active = 1; fprintf (stdout, "(%03d) sending data buffer for accumulate test \"%s\"\n", __LINE__, accumulate_test_name[test_id]); PAMI_Send (context[0], & send_parameters); fprintf (stdout, "(%03d) waiting for remote completion of data buffer sent for accumulate test \"%s\"\n", __LINE__, accumulate_test_name[test_id]); while (send_active > 0) PAMI_Context_advance (context[0], 1); fprintf (stdout, "(%03d) data buffer received on remote for accumulate test \"%s\"\n", __LINE__, accumulate_test_name[test_id]); } } { /* * Use rdma get to retrieve the remote buffer and compare results. */ volatile unsigned rget_active = 1; pami_rget_simple_t rget_parameters = {0}; PAMI_Endpoint_create (client, target_task_id, 1, & rget_parameters.rma.dest); rget_parameters.rma.done_fn = decrement; rget_parameters.rma.cookie = (void *) & rget_active; rget_parameters.rma.bytes = sizeof(double) * num_doubles; rget_parameters.rdma.local.mr = mr_info[origin_task_id].memregion; rget_parameters.rdma.local.offset = 0; rget_parameters.rdma.remote.mr = mr_info[target_task_id].memregion; rget_parameters.rdma.remote.offset = 0; PAMI_Rget (context[0], & rget_parameters); while (rget_active > 0) PAMI_Context_advance (context[0], 1); } } else { /* * All other tasks, if any, do nothing and simply enter the barrier. */ } simple_barrier (client, context[0]); #ifdef ASYNC_PROGRESS async_progress_disable (&async_progress, context[1]); async_progress_close (&async_progress); #endif /* * Do cleanup ? */ return; }
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; }
int main (int argc, char ** argv) { pami_client_t client; pami_context_t context[2]; pami_task_t task_id; size_t num_tasks = 0; size_t ncontexts = 0; size_t errors = 0; pami_result_t result = PAMI_ERROR; pami_type_t subtype; pami_type_t compound_type; pami_type_t simple_type; info_t exchange[MAX_TASKS]; double data[BUFFERSIZE]; volatile unsigned ready; { /* init */ ready = 0; unsigned i; for (i = 0; i < MAX_TASKS; i++) exchange[i].active = 0; for (i = 0; i < BUFFERSIZE; i++) data[i] = E; result = PAMI_Client_create ("TEST", &client, NULL, 0); if (result != PAMI_SUCCESS) { fprintf (stderr, "Error. Unable to create pami client. 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; } 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; } num_tasks = configuration.value.intval; /*if (task_id == 0) fprintf (stderr, "Number of tasks = %zu\n", num_tasks);*/ if ((num_tasks < 2) || (num_tasks > MAX_TASKS)) { fprintf (stderr, "Error. This test requires 2-%d tasks. Number of tasks in this job: %zu\n", MAX_TASKS, num_tasks); return 1; } if (task_id == num_tasks - 1) { for (i = 0; i < 320; i++) data[i] = PI; } configuration.name = PAMI_CLIENT_NUM_CONTEXTS; 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; } ncontexts = (configuration.value.intval < 2) ? 1 : 2; /*if (task_id == 0) fprintf (stderr, "maximum contexts = %zu, number of contexts used in this test = %zu\n", configuration.value.intval, ncontexts);*/ result = PAMI_Context_createv(client, NULL, 0, context, ncontexts); if (result != PAMI_SUCCESS) { fprintf (stderr, "Error. Unable to create pami context(s). result = %d\n", result); return 1; } pami_dispatch_hint_t options = {}; for (i = 0; i < ncontexts; i++) { pami_dispatch_callback_function fn; fn.p2p = dispatch_exchange; result = PAMI_Dispatch_set (context[i], EXCHANGE_DISPATCH_ID, fn, (void *) exchange, options); if (result != PAMI_SUCCESS) { fprintf (stderr, "Error. Unable register pami 'exchange' dispatch. result = %d\n", result); return 1; } fn.p2p = dispatch_notify; result = PAMI_Dispatch_set (context[i], NOTIFY_DISPATCH_ID, fn, (void *) & ready, options); if (result != PAMI_SUCCESS) { fprintf (stderr, "Error. Unable register pami 'notify' dispatch. result = %d\n", result); return 1; } } /* *********************************** * Create the pami types ************************************/ /* This compound noncontiguous type is composed of one double, skips a double, * two doubles, skips a double, three doubles, skips a double, five doubles, * skips a double, six doubles, skips a double, seven doubles, skips a double, * eight doubles, then skips two doubles. * * This results in a type with 32 doubles that is 40 doubles * 'wide'. */ PAMI_Type_create (&subtype); PAMI_Type_add_simple (subtype, sizeof(double), /* bytes */ 0, /* offset */ 1, /* count */ sizeof(double) * 2); /* stride */ PAMI_Type_add_simple (subtype, sizeof(double) * 2, /* bytes */ 0, /* offset */ 1, /* count */ sizeof(double) * 3); /* stride */ PAMI_Type_add_simple (subtype, sizeof(double) * 3, /* bytes */ 0, /* offset */ 1, /* count */ sizeof(double) * 4); /* stride */ PAMI_Type_add_simple (subtype, sizeof(double) * 5, /* bytes */ 0, /* offset */ 1, /* count */ sizeof(double) * 6); /* stride */ PAMI_Type_add_simple (subtype, sizeof(double) * 6, /* bytes */ 0, /* offset */ 1, /* count */ sizeof(double) * 7); /* stride */ PAMI_Type_add_simple (subtype, sizeof(double) * 7, /* bytes */ 0, /* offset */ 1, /* count */ sizeof(double) * 8);/* stride */ PAMI_Type_add_simple (subtype, sizeof(double) * 8, /* bytes */ 0, /* offset */ 1, /* count */ sizeof(double) * 10);/* stride */ PAMI_Type_complete (subtype, sizeof(double)); /* This noncontiguous type is composed of the above compound type, repeated * ten times with no stride. * * This results in a type with 320 doubles that is 400 doubles * 'wide'. */ PAMI_Type_create (&compound_type); PAMI_Type_add_typed (compound_type, subtype, /* subtype */ 0, /* offset */ 10, /* count */ sizeof(double) * 32); /* stride */ PAMI_Type_complete (compound_type, sizeof(double)); /* This simple noncontiguous type is composed of eight contiguous doubles, * then skips a _single_ double, repeated 40 times. * * This results in a type with 320 doubles that is 360 doubles 'wide'. */ PAMI_Type_create (&simple_type); PAMI_Type_add_simple (simple_type, sizeof(double) * 8, /* bytes */ 0, /* offset */ 40, /* count */ sizeof(double) * 9); /* stride */ PAMI_Type_complete (simple_type, sizeof(double)); /* Create a memory region for the local data buffer. */ size_t bytes; result = PAMI_Memregion_create (context[0], (void *) data, BUFFERSIZE, &bytes, &exchange[task_id].mr); if (result != PAMI_SUCCESS) { fprintf (stderr, "Error. Unable to create memory region. result = %d\n", result); return 1; } else if (bytes < BUFFERSIZE) { fprintf (stderr, "Error. Unable to create memory region of a large enough size. result = %d\n", result); return 1; } /* Broadcast the memory region to all tasks - including self. */ for (i = 0; i < num_tasks; i++) { pami_send_immediate_t parameters; parameters.dispatch = EXCHANGE_DISPATCH_ID; parameters.header.iov_base = (void *) & bytes; parameters.header.iov_len = sizeof(size_t); parameters.data.iov_base = (void *) & exchange[task_id].mr; parameters.data.iov_len = sizeof(pami_memregion_t); PAMI_Endpoint_create (client, i, 0, ¶meters.dest); result = PAMI_Send_immediate (context[0], ¶meters); } /* Advance until all memory regions have been received. */ for (i = 0; i < num_tasks; i++) { while (exchange[i].active == 0) PAMI_Context_advance (context[0], 100); } } /* init done */ pami_send_immediate_t notify; notify.dispatch = NOTIFY_DISPATCH_ID; notify.header.iov_base = NULL; notify.header.iov_len = 0; notify.data.iov_base = NULL; notify.data.iov_len = 0; volatile size_t active = 1; pami_rget_typed_t parameters; parameters.rma.hints = (pami_send_hint_t) {0}; parameters.rma.cookie = (void *) & active; parameters.rma.done_fn = decrement; parameters.rma.bytes = 320 * sizeof(double); if (task_id == 0) { fprintf (stdout, "PAMI_Rget('typed') functional test %s\n", (ncontexts < 2) ? "" : "[crosstalk]"); fprintf (stdout, "\n"); parameters.rdma.local.mr = &exchange[0].mr; parameters.rdma.remote.mr = &exchange[num_tasks - 1].mr; PAMI_Endpoint_create (client, num_tasks - 1, ncontexts - 1, ¶meters.rma.dest); PAMI_Endpoint_create (client, num_tasks - 1, ncontexts - 1, ¬ify.dest); } else { parameters.rdma.local.mr = &exchange[num_tasks - 1].mr; parameters.rdma.remote.mr = &exchange[0].mr; PAMI_Endpoint_create (client, 0, 0, ¶meters.rma.dest); PAMI_Endpoint_create (client, 0, 0, ¬ify.dest); } /* ******************************************************************** */ /* contiguous -> contiguous transfer test */ /* ******************************************************************** */ if (task_id == 0) { parameters.rdma.local.offset = 0; parameters.rdma.remote.offset = 0; parameters.type.local = PAMI_TYPE_DOUBLE; parameters.type.remote = PAMI_TYPE_DOUBLE; active = 1; PAMI_Rget_typed (context[0], ¶meters); while (active > 0) PAMI_Context_advance (context[0], 100); /* Notify the remote task that the data has been transfered. */ PAMI_Send_immediate (context[0], ¬ify); } else if (task_id == num_tasks - 1) { /* Wait for notification that the data has been transfered. */ while (ready == 0) PAMI_Context_advance (context[ncontexts - 1], 100); ready = 0; } /* ******************************************************************** */ /* contiguous -> non-contiguous transfer test */ /* ******************************************************************** */ if (task_id == num_tasks - 1) { parameters.rdma.local.offset = 4 * 1024; parameters.rdma.remote.offset = 0; parameters.type.local = simple_type; parameters.type.remote = PAMI_TYPE_DOUBLE; active = 1; PAMI_Rget_typed (context[ncontexts - 1], ¶meters); while (active > 0) PAMI_Context_advance (context[ncontexts - 1], 100); /* Notify the remote task that the data has been transfered. */ PAMI_Send_immediate (context[ncontexts - 1], ¬ify); } else if (task_id == 0) { /* Wait for notification that the data has been transfered. */ while (ready == 0) PAMI_Context_advance (context[0], 100); ready = 0; } /* ******************************************************************** */ /* non-contiguous -> non-contiguous transfer test */ /* ******************************************************************** */ if (task_id == 0) { parameters.rdma.local.offset = 4 * 1024; parameters.rdma.remote.offset = 4 * 1024; parameters.type.local = compound_type; parameters.type.remote = simple_type; active = 1; PAMI_Rget_typed (context[0], ¶meters); while (active > 0) PAMI_Context_advance (context[0], 100); /* Notify the remote task that the data has been transfered. */ PAMI_Send_immediate (context[0], ¬ify); } else if (task_id == num_tasks - 1) { /* Wait for notification that the data has been transfered. */ while (ready == 0) PAMI_Context_advance (context[ncontexts - 1], 100); ready = 0; } /* ******************************************************************** */ /* non-contiguous -> contiguous transfer test */ /* ******************************************************************** */ if (task_id == num_tasks - 1) { parameters.rdma.local.offset = 8 * 1024; parameters.rdma.remote.offset = 4 * 1024; parameters.type.local = PAMI_TYPE_DOUBLE; parameters.type.remote = compound_type; active = 1; PAMI_Rget_typed (context[ncontexts - 1], ¶meters); while (active > 0) PAMI_Context_advance (context[ncontexts - 1], 100); /* Notify the remote task that the data has been transfered. */ PAMI_Send_immediate (context[ncontexts - 1], ¬ify); } else if (task_id == 0) { /* Wait for notification that the data has been transfered. */ while (ready == 0) PAMI_Context_advance (context[0], 100); ready = 0; } /* ******************************************************************** */ /* VERIFY data buffers */ /* ******************************************************************** */ if (task_id == num_tasks - 1) { if (task_id == 0) { unsigned i = 0; for (; i < 320; i++) { if (data[i] != PI) { errors++; fprintf (stderr, "Error. data[%d] != %g ..... (%g)\n", i, PI, data[i]); } } for (; i < 512; i++) { if (data[i] != E) { errors++; fprintf (stderr, "Error. data[%d] != %g ..... (%g)\n", i, E, data[i]); } } unsigned j = 0; for (; j < 40; j++) { unsigned n = 0; for (; n < 8; n++) { if (data[i] != PI) { errors++; fprintf (stderr, "Error. data[%d] != %g ..... (%g)\n", i, PI, data[i]); } i++; } if (data[i] != E) { errors++; fprintf (stderr, "Error. data[%d] != %g ..... (%g)\n", i, E, data[i]); } i++; } for (; i < 1024; i++) { if (data[i] != E) { errors++; fprintf (stderr, "Error. data[%d] != %g ..... (%g)\n", i, E, data[i]); } } for (; i < 1024 + 320; i++) { if (data[i] != PI) { errors++; fprintf (stderr, "Error. data[%d] != %g ..... (%g)\n", i, PI, data[i]); } } for (; i < BUFFERSIZE; i++) { if (data[i] != E) { errors++; fprintf (stderr, "Error. data[%d] != %g ..... (%g)\n", i, E, data[i]); } } } } { /* cleanup */ result = PAMI_Context_destroyv(context, ncontexts); 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; } if (task_id == num_tasks - 1) { if (errors) fprintf (stdout, "Test completed with errors (%zu)\n", errors); else fprintf (stdout, "Test completed with success\n"); } } /* cleanup done */ return (errors != 0); };