| 42 | | if (!strncmp(binding, "user:", strlen("user:"))) { |
| 43 | | /* If the user specified the binding, we don't need to |
| 44 | | * initialize anything */ |
| 45 | | bindstr = HYDU_strdup(binding + strlen("user:")); |
| 46 | | |
| 47 | | /* Find the number of processing elements */ |
| 48 | | HYDT_bind_info.num_procs = 0; |
| 49 | | bindentry = strtok(bindstr, ","); |
| 50 | | while (bindentry) { |
| 51 | | HYDT_bind_info.num_procs++; |
| 52 | | bindentry = strtok(NULL, ","); |
| 53 | | } |
| 54 | | |
| 55 | | /* Find the actual processing elements */ |
| 56 | | HYDU_MALLOC(HYDT_bind_info.bindmap, int *, HYDT_bind_info.num_procs * sizeof(int), |
| 57 | | status); |
| 58 | | i = 0; |
| 59 | | bindentry = strtok(bindstr, ","); |
| 60 | | while (bindentry) { |
| 61 | | HYDT_bind_info.bindmap[i++] = atoi(bindentry); |
| 62 | | bindentry = strtok(NULL, ","); |
| 63 | | } |
| 64 | | |
| 65 | | goto fn_exit; |
| 66 | | } |
| 67 | | |
| 68 | | /* If a real binding is required, we initialize the binding |
| 69 | | * library requested by the user */ |
| | 42 | /* Initialize the binding library requested by the user */ |
| 84 | | if (HYDT_bind_info.support_level != HYDT_BIND_NONE) { |
| 85 | | HYDU_MALLOC(HYDT_bind_info.bindmap, int *, HYDT_bind_info.num_procs * sizeof(int), |
| 86 | | status); |
| 87 | | |
| 88 | | for (i = 0; i < HYDT_bind_info.num_procs; i++) { |
| 89 | | |
| 90 | | /* RR is supported at the basic binding level */ |
| 91 | | if (!strcmp(binding, "rr")) { |
| 92 | | HYDT_bind_info.bindmap[i] = i; |
| 93 | | continue; |
| 94 | | } |
| 95 | | |
| 96 | | /* If we reached here, the user requested for topology |
| 97 | | * aware binding. */ |
| 98 | | if (HYDT_bind_info.support_level != HYDT_BIND_TOPO) |
| 99 | | HYDU_ERR_SETANDJUMP(status, HYD_INTERNAL_ERROR, |
| 100 | | "topology binding not supported on this platform\n"); |
| 101 | | |
| 102 | | if (!strcmp(binding, "buddy")) { |
| 103 | | thread = i / (HYDT_bind_info.num_sockets * HYDT_bind_info.num_cores); |
| 104 | | |
| 105 | | core = i % (HYDT_bind_info.num_sockets * HYDT_bind_info.num_cores); |
| 106 | | core /= HYDT_bind_info.num_sockets; |
| 107 | | |
| 108 | | sock = i % HYDT_bind_info.num_sockets; |
| 109 | | } |
| 110 | | else if (!strcmp(binding, "pack")) { |
| 111 | | sock = i / (HYDT_bind_info.num_cores * HYDT_bind_info.num_threads); |
| 112 | | |
| 113 | | core = i % (HYDT_bind_info.num_cores * HYDT_bind_info.num_threads); |
| 114 | | core /= HYDT_bind_info.num_threads; |
| 115 | | |
| 116 | | thread = i % HYDT_bind_info.num_threads; |
| 117 | | } |
| 118 | | else { |
| 119 | | HYDU_ERR_SETANDJUMP(status, HYD_INTERNAL_ERROR, "unknown binding option\n"); |
| 120 | | } |
| 121 | | |
| 122 | | for (j = 0; j < HYDT_bind_info.num_procs; j++) { |
| 123 | | if (HYDT_bind_info.topology[j].socket_rank == sock && |
| 124 | | HYDT_bind_info.topology[j].core_rank == core && |
| 125 | | HYDT_bind_info.topology[j].thread_rank == thread) { |
| 126 | | HYDT_bind_info.bindmap[i] = HYDT_bind_info.topology[j].processor_id; |
| 127 | | break; |
| 128 | | } |
| 129 | | } |
| 130 | | } |
| 131 | | } |
| 132 | | else { |
| 133 | | /* If no binding is supported, we just set all mappings to -1 */ |
| | 57 | /* If we are not able to initialize the binding library, we set |
| | 58 | * all mappings to -1 */ |
| | 59 | if (HYDT_bind_info.support_level == HYDT_BIND_NONE) { |
| | 63 | |
| | 64 | goto fn_exit; |
| | 65 | } |
| | 66 | |
| | 67 | if (!strncmp(binding, "user:", strlen("user:"))) { |
| | 68 | /* If the user specified the binding, we don't need to |
| | 69 | * initialize anything */ |
| | 70 | |
| | 71 | /* Find the number of processing elements */ |
| | 72 | bindstr = HYDU_strdup(binding + strlen("user:")); |
| | 73 | HYDT_bind_info.num_procs = 0; |
| | 74 | bindentry = strtok(bindstr, ","); |
| | 75 | while (bindentry) { |
| | 76 | HYDT_bind_info.num_procs++; |
| | 77 | bindentry = strtok(NULL, ","); |
| | 78 | } |
| | 79 | |
| | 80 | /* Find the actual processing elements */ |
| | 81 | HYDU_MALLOC(HYDT_bind_info.bindmap, int *, HYDT_bind_info.num_procs * sizeof(int), |
| | 82 | status); |
| | 83 | i = 0; |
| | 84 | bindstr = HYDU_strdup(binding + strlen("user:")); |
| | 85 | bindentry = strtok(bindstr, ","); |
| | 86 | while (bindentry) { |
| | 87 | HYDT_bind_info.bindmap[i++] = atoi(bindentry); |
| | 88 | bindentry = strtok(NULL, ","); |
| | 89 | } |
| | 90 | |
| | 91 | goto fn_exit; |
| | 92 | } |
| | 93 | |
| | 94 | HYDU_MALLOC(HYDT_bind_info.bindmap, int *, HYDT_bind_info.num_procs * sizeof(int), |
| | 95 | status); |
| | 96 | |
| | 97 | for (i = 0; i < HYDT_bind_info.num_procs; i++) { |
| | 98 | |
| | 99 | /* RR is supported at the basic binding level */ |
| | 100 | if (!strcmp(binding, "rr")) { |
| | 101 | HYDT_bind_info.bindmap[i] = i; |
| | 102 | continue; |
| | 103 | } |
| | 104 | |
| | 105 | /* If we reached here, the user requested for topology aware |
| | 106 | * binding. */ |
| | 107 | if (HYDT_bind_info.support_level != HYDT_BIND_TOPO) |
| | 108 | HYDU_ERR_SETANDJUMP(status, HYD_INTERNAL_ERROR, |
| | 109 | "topology binding not supported on this platform\n"); |
| | 110 | |
| | 111 | if (!strcmp(binding, "buddy")) { |
| | 112 | thread = i / (HYDT_bind_info.num_sockets * HYDT_bind_info.num_cores); |
| | 113 | |
| | 114 | core = i % (HYDT_bind_info.num_sockets * HYDT_bind_info.num_cores); |
| | 115 | core /= HYDT_bind_info.num_sockets; |
| | 116 | |
| | 117 | sock = i % HYDT_bind_info.num_sockets; |
| | 118 | } |
| | 119 | else if (!strcmp(binding, "pack")) { |
| | 120 | sock = i / (HYDT_bind_info.num_cores * HYDT_bind_info.num_threads); |
| | 121 | |
| | 122 | core = i % (HYDT_bind_info.num_cores * HYDT_bind_info.num_threads); |
| | 123 | core /= HYDT_bind_info.num_threads; |
| | 124 | |
| | 125 | thread = i % HYDT_bind_info.num_threads; |
| | 126 | } |
| | 127 | else { |
| | 128 | HYDU_ERR_SETANDJUMP(status, HYD_INTERNAL_ERROR, "unknown binding option\n"); |
| | 129 | } |
| | 130 | |
| | 131 | for (j = 0; j < HYDT_bind_info.num_procs; j++) { |
| | 132 | if (HYDT_bind_info.topology[j].socket_rank == sock && |
| | 133 | HYDT_bind_info.topology[j].core_rank == core && |
| | 134 | HYDT_bind_info.topology[j].thread_rank == thread) { |
| | 135 | HYDT_bind_info.bindmap[i] = HYDT_bind_info.topology[j].processor_id; |
| | 136 | break; |
| | 137 | } |
| | 138 | } |