Extend capability to support heterogeneous clusters with multiple topologies
This commit was SVN r25474.
Этот коммит содержится в:
Ralph Castain
родитель
6b5e1b89cf
Коммит
793f4c688f
@ -18,10 +18,12 @@ BEGIN_C_DECLS
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struct orte_ras_sim_component_t {
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orte_ras_base_component_t super;
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int num_nodes;
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char *num_nodes;
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int slots;
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int slots_max;
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char *topofile;
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char *topofiles;
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bool have_cpubind;
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bool have_membind;
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};
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typedef struct orte_ras_sim_component_t orte_ras_sim_component_t;
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@ -65,10 +65,8 @@ orte_ras_sim_component_t mca_ras_simulator_component = {
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static int ras_sim_open(void)
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{
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mca_base_param_reg_int(&mca_ras_simulator_component.super.base_version,
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"num_nodes",
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"Number of nodes to simulate",
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false, false, 0, &mca_ras_simulator_component.num_nodes);
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int tmp;
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mca_base_param_reg_int(&mca_ras_simulator_component.super.base_version,
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"slots",
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"Number of slots on each node to simulate",
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@ -79,9 +77,28 @@ static int ras_sim_open(void)
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false, false, 0, &mca_ras_simulator_component.slots_max);
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#if OPAL_HAVE_HWLOC
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mca_base_param_reg_string(&mca_ras_simulator_component.super.base_version,
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"topo_file",
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"File containing xml topology description for simulated nodes",
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false, false, NULL, &mca_ras_simulator_component.topofile);
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"num_nodes",
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"Comma-separated list of number of nodes to simulate for each topology",
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false, false, NULL, &mca_ras_simulator_component.num_nodes);
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mca_base_param_reg_string(&mca_ras_simulator_component.super.base_version,
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"topo_files",
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"Comma-separated list of files containing xml topology descriptions for simulated nodes",
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false, false, NULL, &mca_ras_simulator_component.topofiles);
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mca_base_param_reg_int(&mca_ras_simulator_component.super.base_version,
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"have_cpubind",
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"Topology supports binding to cpus",
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false, false, (int)true, &tmp);
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mca_ras_simulator_component.have_cpubind = OPAL_INT_TO_BOOL(tmp);
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mca_base_param_reg_int(&mca_ras_simulator_component.super.base_version,
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"have_membind",
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"Topology supports binding to memory",
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false, false, (int)true, &tmp);
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mca_ras_simulator_component.have_membind = OPAL_INT_TO_BOOL(tmp);
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#else
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mca_base_param_reg_string(&mca_ras_simulator_component.super.base_version,
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"num_nodes",
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"Number of nodes to simulate",
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false, false, NULL, &mca_ras_simulator_component.num_nodes);
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#endif
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return ORTE_SUCCESS;
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@ -90,7 +107,7 @@ static int ras_sim_open(void)
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static int ras_sim_component_query(mca_base_module_t **module, int *priority)
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{
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if (0 < mca_ras_simulator_component.num_nodes) {
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if (NULL != mca_ras_simulator_component.num_nodes) {
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*module = (mca_base_module_t *) &orte_ras_sim_module;
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*priority = 1000;
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/* cannot launch simulated nodes or resolve their names to addresses */
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@ -17,6 +17,7 @@
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#include "opal/class/opal_list.h"
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#include "opal/mca/hwloc/hwloc.h"
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#include "orte/util/show_help.h"
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#include "orte/runtime/orte_globals.h"
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#include "ras_sim.h"
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@ -39,30 +40,63 @@ orte_ras_base_module_t orte_ras_sim_module = {
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static int allocate(opal_list_t *nodes)
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{
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int i, val, dig;
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int i, n, val, dig, num_nodes;
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orte_node_t *node;
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#if OPAL_HAVE_HWLOC
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hwloc_topology_t topo;
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hwloc_obj_t obj;
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unsigned j, k;
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struct hwloc_topology_support *support;
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char **files=NULL;
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bool use_local_topology = false;
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#endif
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char **node_cnt=NULL;
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node_cnt = opal_argv_split(mca_ras_simulator_component.num_nodes, ',');
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#if OPAL_HAVE_HWLOC
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if (NULL == mca_ras_simulator_component.topofiles) {
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/* use our topology */
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use_local_topology = true;
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if (1 != opal_argv_count(node_cnt)) {
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orte_show_help("help-ras-base.txt", "ras-sim:mismatch", true);
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return ORTE_ERR_SILENT;
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}
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} else {
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files = opal_argv_split(mca_ras_simulator_component.topofiles, ',');
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if (opal_argv_count(files) != opal_argv_count(node_cnt)) {
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orte_show_help("help-ras-base.txt", "ras-sim:mismatch", true);
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return ORTE_ERR_SILENT;
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}
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}
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#endif
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/* count the total number of nodes */
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val = 0;
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for (n=0; NULL != node_cnt[n]; n++) {
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val += strtol(node_cnt[n], NULL, 10);
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}
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/* get number of digits */
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val = mca_ras_simulator_component.num_nodes;
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for (dig=0; 0 != val; dig++) {
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val /= 10;
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}
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/* process the request */
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val = 0;
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for (n=0; NULL != node_cnt[n]; n++) {
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num_nodes = strtol(node_cnt[n], NULL, 10);
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/* check for topology */
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#if OPAL_HAVE_HWLOC
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if (NULL == mca_ras_simulator_component.topofile) {
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if (use_local_topology) {
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/* use our topology */
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topo = opal_hwloc_topology;
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} else {
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if (0 != hwloc_topology_init(&topo)) {
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return ORTE_ERROR;
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}
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if (0 != hwloc_topology_set_xml(topo, mca_ras_simulator_component.topofile)) {
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if (0 != hwloc_topology_set_xml(topo, files[n])) {
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hwloc_topology_destroy(topo);
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return ORTE_ERROR;
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}
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@ -101,12 +135,20 @@ static int allocate(opal_list_t *nodes)
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break;
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}
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}
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/* unfortunately, hwloc does not include support info in its
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* xml output :-(( To aid in debugging, we set it here
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*/
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support = (struct hwloc_topology_support*)hwloc_topology_get_support(topo);
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support->cpubind->set_thisproc_cpubind = mca_ras_simulator_component.have_cpubind;
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support->membind->set_thisproc_membind = mca_ras_simulator_component.have_membind;
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/* add it to our array */
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opal_pointer_array_add(orte_node_topologies, topo);
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}
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#endif
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for (i=0; i < mca_ras_simulator_component.num_nodes; i++) {
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for (i=0; i < num_nodes; i++) {
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node = OBJ_NEW(orte_node_t);
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asprintf(&node->name, "node%0*d", dig, i);
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asprintf(&node->name, "node%0*d", dig, val++);
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node->state = ORTE_NODE_STATE_UP;
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node->slots_inuse = 0;
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node->slots_max = mca_ras_simulator_component.slots_max;
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@ -116,6 +158,7 @@ static int allocate(opal_list_t *nodes)
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#endif
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opal_list_append(nodes, &node->super);
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}
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}
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/* record the number of allocated nodes */
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orte_num_allocated_nodes = opal_list_get_size(nodes);
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