/***** includes *****/ #include "libbenchmark_benchmarks_freelist_internal.h" /***** structs *****/ struct libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_per_thread_benchmark_state { lfds710_pal_uint_t operation_count; }; struct libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_overall_benchmark_state { struct lfds700_freelist_state *fs; }; /****************************************************************************/ void libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_init( struct libbenchmark_topology_state *ts, struct lfds710_list_aso_state *logical_processor_set, struct libshared_memory_state *ms, enum libbenchmark_topology_numa_mode numa_mode, struct libbenchmark_threadset_state *tsets ) { enum flag finished_flag = LOWERED; struct lfds700_misc_prng_state ps; lfds710_pal_uint_t *fe_array_count, index = 0, loop, number_logical_processors, number_logical_processors_in_numa_node, number_numa_nodes, largest_number_logical_processors_in_numa_node = 0; struct lfds710_list_asu_element *lasue = NULL, *lasue_lp = NULL; struct libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_overall_benchmark_state *obs; struct libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_per_thread_benchmark_state *ptbs; struct lfds700_freelist_element *fe, **fe_array_pointers; struct lfds700_freelist_state *fs = NULL; struct libbenchmark_threadset_per_numa_state *pns, *largest_pns = NULL; struct libbenchmark_threadset_per_thread_state *pts; struct libbenchmark_topology_node_state *numa_node_for_lp; LFDS710_PAL_ASSERT( ts != NULL ); LFDS710_PAL_ASSERT( logical_processor_set != NULL ); LFDS710_PAL_ASSERT( ms != NULL ); // TRD : numa_mode can be any value in its range LFDS710_PAL_ASSERT( tsets != NULL ); lfds700_misc_prng_init( &ps ); obs = libshared_memory_alloc_from_most_free_space_node( ms, sizeof(struct libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_overall_benchmark_state), LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES ); libbenchmark_threadset_init( tsets, ts, logical_processor_set, ms, libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_thread, NULL ); switch( numa_mode ) { case LIBBENCHMARK_TOPOLOGY_NUMA_MODE_SMP: lfds710_list_aso_query( logical_processor_set, LFDS710_LIST_ASO_QUERY_GET_POTENTIALLY_INACCURATE_COUNT, NULL, (void *) &number_logical_processors ); fs = libshared_memory_alloc_from_most_free_space_node( ms, sizeof(struct lfds700_freelist_state), LFDS700_PAL_ATOMIC_ISOLATION_IN_BYTES ); lfds700_freelist_init_valid_on_current_logical_core( fs, NULL ); fe = libshared_memory_alloc_from_most_free_space_node( ms, sizeof(struct lfds710_freelist_element) * number_logical_processors, LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES ); for( loop = 0 ; loop < number_logical_processors ; loop++ ) lfds700_freelist_push( fs, &fe[loop], &ps ); while( LFDS710_LIST_ASU_GET_START_AND_THEN_NEXT(tsets->list_of_per_thread_states,lasue) ) { pts = LFDS710_LIST_ASU_GET_VALUE_FROM_ELEMENT( *lasue ); ptbs = libshared_memory_alloc_from_most_free_space_node( ms, sizeof(struct libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_per_thread_benchmark_state), LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES ); pts->users_per_thread_state = ptbs; } break; case LIBBENCHMARK_TOPOLOGY_NUMA_MODE_NUMA: /* TRD : init the freelist from the NUMA node with most processors from the current set or, if equal threads, with lowest NUMA iterate over the NUMA node list for each NUMA node, allocate one freelist element per thread on that node and push those elements onto the freelist the loop over the threads, and give each one the freelist state as it's user state */ while( LFDS710_LIST_ASU_GET_START_AND_THEN_NEXT(tsets->list_of_per_numa_states,lasue) ) { pns = LFDS710_LIST_ASU_GET_VALUE_FROM_ELEMENT( *lasue ); lasue_lp = NULL; number_logical_processors_in_numa_node = 0; while( LFDS710_LIST_ASU_GET_START_AND_THEN_NEXT(tsets->list_of_per_thread_states,lasue_lp) ) { pts = LFDS710_LIST_ASU_GET_VALUE_FROM_ELEMENT( *lasue_lp ); libbenchmark_topology_query( ts, LIBBENCHMARK_TOPOLOGY_QUERY_GET_NUMA_NODE_FOR_LOGICAL_PROCESSOR, pts->tns_lp, &numa_node_for_lp ); if( LIBBENCHMARK_TOPOLOGY_NODE_GET_NUMA_ID(*numa_node_for_lp) == pns->numa_node_id ) number_logical_processors_in_numa_node++; } if( number_logical_processors_in_numa_node > largest_number_logical_processors_in_numa_node ) largest_pns = pns; } fs = libshared_memory_alloc_from_specific_node( ms, largest_pns->numa_node_id, sizeof(struct lfds710_freelist_state), LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES ); lfds700_freelist_init_valid_on_current_logical_core( fs, NULL ); /* TRD : now figure out how many elements are needed from each NUMA node allocate them all them push them interleaved, round-robin, to the freelist */ libbenchmark_topology_query( ts, LIBBENCHMARK_TOPOLOGY_QUERY_GET_NUMBER_OF_NODE_TYPE, (void *) (lfds710_pal_uint_t) LIBBENCHMARK_TOPOLOGY_NODE_TYPE_NUMA, (void *) &number_numa_nodes ); fe_array_pointers = libshared_memory_alloc_from_most_free_space_node( ms, sizeof(struct lfds710_freelist_element *) * number_numa_nodes, LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES ); fe_array_count = libshared_memory_alloc_from_most_free_space_node( ms, sizeof(lfds710_pal_uint_t) * number_numa_nodes, LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES ); for( loop = 0 ; loop < number_numa_nodes ; loop++ ) fe_array_count[loop] = 0; lasue = NULL; while( LFDS710_LIST_ASU_GET_START_AND_THEN_NEXT(tsets->list_of_per_numa_states,lasue) ) { pns = LFDS710_LIST_ASU_GET_VALUE_FROM_ELEMENT( *lasue ); /* TRD : for each NUMA node, figure out how many LPs in the current set are in that NUMA node and allocate then the correct number of elements from this NUMA node (1 per LP) */ lasue_lp = NULL; number_logical_processors_in_numa_node = 0; while( LFDS710_LIST_ASU_GET_START_AND_THEN_NEXT(tsets->list_of_per_thread_states,lasue_lp) ) { pts = LFDS710_LIST_ASU_GET_VALUE_FROM_ELEMENT( *lasue_lp ); libbenchmark_topology_query( ts, LIBBENCHMARK_TOPOLOGY_QUERY_GET_NUMA_NODE_FOR_LOGICAL_PROCESSOR, pts->tns_lp, &numa_node_for_lp ); if( LIBBENCHMARK_TOPOLOGY_NODE_GET_NUMA_ID(*numa_node_for_lp) == pns->numa_node_id ) number_logical_processors_in_numa_node++; } fe_array_count[index] = number_logical_processors_in_numa_node; fe_array_pointers[index] = libshared_memory_alloc_from_specific_node( ms, pns->numa_node_id, sizeof(struct lfds710_freelist_element) * fe_array_count[index], LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES ); index++; } while( finished_flag == LOWERED ) { for( loop = 0 ; loop < index ; loop++ ) if( fe_array_count[loop] > 0 ) lfds700_freelist_push( fs, &fe_array_pointers[loop][ fe_array_count[loop]-- ], &ps ); finished_flag = RAISED; for( loop = 0 ; loop < index ; loop++ ) if( fe_array_count[loop] > 0 ) finished_flag = LOWERED; } lasue = NULL; while( LFDS710_LIST_ASU_GET_START_AND_THEN_NEXT(tsets->list_of_per_thread_states,lasue) ) { pts = LFDS710_LIST_ASU_GET_VALUE_FROM_ELEMENT( *lasue ); ptbs = libshared_memory_alloc_from_specific_node( ms, largest_pns->numa_node_id, sizeof(struct libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_per_thread_benchmark_state), LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES ); pts->users_per_thread_state = ptbs; } break; case LIBBENCHMARK_TOPOLOGY_NUMA_MODE_NUMA_BUT_NOT_USED: /* TRD : freelist state in the NUMA node with most threads from the current set or, if equal threads, with lowest NUMA all elements alloced from that node as well SO much easier to figure out allocs than with NUMA OMG all of this code needs rewriting and the NUMA-but-not-used stuff is interesting but I don't think it carries its own weight */ while( LFDS710_LIST_ASU_GET_START_AND_THEN_NEXT(tsets->list_of_per_numa_states,lasue) ) { pns = LFDS710_LIST_ASU_GET_VALUE_FROM_ELEMENT( *lasue ); lasue_lp = NULL; number_logical_processors_in_numa_node = 0; while( LFDS710_LIST_ASU_GET_START_AND_THEN_NEXT(tsets->list_of_per_thread_states,lasue_lp) ) { pts = LFDS710_LIST_ASU_GET_VALUE_FROM_ELEMENT( *lasue_lp ); libbenchmark_topology_query( ts, LIBBENCHMARK_TOPOLOGY_QUERY_GET_NUMA_NODE_FOR_LOGICAL_PROCESSOR, pts->tns_lp, &numa_node_for_lp ); if( LIBBENCHMARK_TOPOLOGY_NODE_GET_NUMA_ID(*numa_node_for_lp) == pns->numa_node_id ) number_logical_processors_in_numa_node++; } if( number_logical_processors_in_numa_node > largest_number_logical_processors_in_numa_node ) largest_pns = pns; } lfds710_list_aso_query( logical_processor_set, LFDS710_LIST_ASO_QUERY_GET_POTENTIALLY_INACCURATE_COUNT, NULL, (void *) &number_logical_processors ); fs = libshared_memory_alloc_from_specific_node( ms, largest_pns->numa_node_id, sizeof(struct lfds710_freelist_state), LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES ); lfds700_freelist_init_valid_on_current_logical_core( fs, NULL ); // TRD : fill the elimination array and have one element per thread in the freelist proper fe = libshared_memory_alloc_from_specific_node( ms, largest_pns->numa_node_id, sizeof(struct lfds710_freelist_element) * number_logical_processors, LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES ); for( loop = 0 ; loop < number_logical_processors ; loop++ ) lfds700_freelist_push( fs, &fe[loop], &ps ); lasue = NULL; while( LFDS710_LIST_ASU_GET_START_AND_THEN_NEXT(tsets->list_of_per_thread_states,lasue) ) { pts = LFDS710_LIST_ASU_GET_VALUE_FROM_ELEMENT( *lasue ); ptbs = libshared_memory_alloc_from_specific_node( ms, largest_pns->numa_node_id, sizeof(struct libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_per_thread_benchmark_state), LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES ); pts->users_per_thread_state = ptbs; } break; } obs->fs = fs; tsets->users_threadset_state = obs; return; } /****************************************************************************/ libshared_pal_thread_return_t LIBSHARED_PAL_THREAD_CALLING_CONVENTION libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_thread( void *libbenchmark_threadset_per_thread_state ) { int long long unsigned current_time = 0, end_time, time_units_per_second; lfds710_pal_uint_t operation_count = 0, time_loop = 0; struct lfds700_misc_prng_state ps; struct lfds700_freelist_state *fs; struct lfds700_freelist_element *fe; struct libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_overall_benchmark_state *obs; struct libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_per_thread_benchmark_state *ptbs; struct libbenchmark_threadset_per_thread_state *pts; LFDS710_MISC_BARRIER_LOAD; LFDS710_PAL_ASSERT( libbenchmark_threadset_per_thread_state != NULL ); pts = (struct libbenchmark_threadset_per_thread_state *) libbenchmark_threadset_per_thread_state; ptbs = LIBBENCHMARK_THREADSET_PER_THREAD_STATE_GET_USERS_PER_THREAD_STATE( *pts ); obs = LIBBENCHMARK_THREADSET_PER_THREAD_STATE_GET_USERS_OVERALL_STATE( *pts ); fs = obs->fs; lfds700_misc_prng_init( &ps ); LIBBENCHMARK_PAL_TIME_UNITS_PER_SECOND( &time_units_per_second ); libbenchmark_threadset_thread_ready_and_wait( pts ); LIBBENCHMARK_PAL_GET_HIGHRES_TIME( ¤t_time ); end_time = current_time + time_units_per_second * libbenchmark_globals_benchmark_duration_in_seconds; while( current_time < end_time ) { lfds700_freelist_pop( fs, &fe, &ps ); lfds700_freelist_push( fs, fe, &ps ); operation_count++; if( time_loop++ == TIME_LOOP_COUNT ) { time_loop = 0; LIBBENCHMARK_PAL_GET_HIGHRES_TIME( ¤t_time ); } } ptbs->operation_count = operation_count; LFDS710_MISC_BARRIER_STORE; lfds710_misc_force_store(); return LIBSHARED_PAL_THREAD_RETURN_CAST(RETURN_SUCCESS); } /****************************************************************************/ void libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_cleanup( struct lfds710_list_aso_state *logical_processor_set, enum libbenchmark_topology_numa_mode numa_mode, struct libbenchmark_results_state *rs, struct libbenchmark_threadset_state *tsets ) { struct lfds710_list_asu_element *lasue = NULL; struct libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_overall_benchmark_state *obs; struct libbenchmark_benchmark_freelist_liblfds700_lockfree_push1_pop1_per_thread_benchmark_state *ptbs; struct libbenchmark_threadset_per_thread_state *pts; LFDS710_PAL_ASSERT( logical_processor_set != NULL ); // TRD : numa_mode can be any value in its range LFDS710_PAL_ASSERT( rs != NULL ); LFDS710_PAL_ASSERT( tsets != NULL ); while( LFDS710_LIST_ASU_GET_START_AND_THEN_NEXT(tsets->list_of_per_thread_states,lasue) ) { pts = LFDS710_LIST_ASU_GET_VALUE_FROM_ELEMENT( *lasue ); ptbs = LIBBENCHMARK_THREADSET_PER_THREAD_STATE_GET_USERS_PER_THREAD_STATE( *pts ); libbenchmark_results_put_result( rs, LIBBENCHMARK_DATASTRUCTURE_ID_FREELIST, LIBBENCHMARK_BENCHMARK_ID_PUSH1_THEN_POP1, LIBBENCHMARK_LOCK_ID_LIBLFDS700_LOCKFREE, numa_mode, logical_processor_set, LIBBENCHMARK_TOPOLOGY_NODE_GET_LOGICAL_PROCESSOR_NUMBER( *pts->tns_lp ), LIBBENCHMARK_TOPOLOGY_NODE_GET_WINDOWS_GROUP_NUMBER( *pts->tns_lp ), ptbs->operation_count ); } obs = tsets->users_threadset_state; lfds700_freelist_cleanup( obs->fs, NULL ); return; }