1 /* Copyright (c) 2007-2010, 2013-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "host_ptask_L07.hpp"
9 #include "cpu_interface.hpp"
10 #include "surf_routing.hpp"
12 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_host);
14 static int ptask_host_count = 0;
15 static xbt_dict_t ptask_parallel_task_link_set = NULL;
16 lmm_system_t ptask_maxmin_system = NULL;
19 /**************************************/
20 /*** Resource Creation & Destruction **/
21 /**************************************/
23 static void ptask_netlink_parse_init(sg_platf_link_cbarg_t link)
25 netlink_parse_init(link);
26 current_property_set = NULL;
29 static void ptask_define_callbacks()
31 sg_platf_host_add_cb(cpu_parse_init);
32 sg_platf_host_add_cb(host_parse_init);
33 sg_platf_link_add_cb(ptask_netlink_parse_init);
34 sg_platf_postparse_add_cb(host_add_traces);
37 void surf_host_model_init_ptask_L07(void)
39 XBT_INFO("surf_host_model_init_ptask_L07");
40 xbt_assert(!surf_cpu_model_pm, "CPU model type already defined");
41 xbt_assert(!surf_network_model, "network model type already defined");
42 ptask_define_callbacks();
43 surf_host_model = new HostL07Model();
44 ModelPtr model = surf_host_model;
45 xbt_dynar_push(model_list, &model);
46 xbt_dynar_push(model_list_invoke, &model);
50 HostL07Model::HostL07Model() : HostModel("Host ptask_L07") {
51 if (!ptask_maxmin_system)
52 ptask_maxmin_system = lmm_system_new(1);
53 surf_host_model = NULL;
54 surf_network_model = new NetworkL07Model();
55 surf_cpu_model_pm = new CpuL07Model();
56 routing_model_create(surf_network_model->createNetworkLink("__loopback__",
59 SURF_RESOURCE_ON, NULL,
60 SURF_LINK_FATPIPE, NULL));
61 p_cpuModel = surf_cpu_model_pm;
64 HostL07Model::~HostL07Model() {
65 xbt_dict_free(&ptask_parallel_task_link_set);
67 delete surf_cpu_model_pm;
68 delete surf_network_model;
71 if (ptask_maxmin_system) {
72 lmm_system_free(ptask_maxmin_system);
73 ptask_maxmin_system = NULL;
77 double HostL07Model::shareResources(double /*now*/)
79 HostL07ActionPtr action;
81 ActionListPtr running_actions = getRunningActionSet();
82 double min = this->shareResourcesMaxMin(running_actions,
86 for(ActionList::iterator it(running_actions->begin()), itend(running_actions->end())
87 ; it != itend ; ++it) {
88 action = static_cast<HostL07ActionPtr>(&*it);
89 if (action->m_latency > 0) {
91 min = action->m_latency;
92 XBT_DEBUG("Updating min (value) with %p (start %f): %f", action,
93 action->getStartTime(), min);
94 } else if (action->m_latency < min) {
95 min = action->m_latency;
96 XBT_DEBUG("Updating min (latency) with %p (start %f): %f", action,
97 action->getStartTime(), min);
102 XBT_DEBUG("min value : %f", min);
107 void HostL07Model::updateActionsState(double /*now*/, double delta)
110 HostL07ActionPtr action;
112 ActionListPtr actionSet = getRunningActionSet();
114 for(ActionList::iterator it(actionSet->begin()), itNext = it, itend(actionSet->end())
115 ; it != itend ; it=itNext) {
117 action = static_cast<HostL07ActionPtr>(&*it);
119 if (action->m_latency > 0) {
120 if (action->m_latency > deltap) {
121 double_update(&(action->m_latency), deltap, sg_surf_precision);
124 double_update(&(deltap), action->m_latency, sg_surf_precision);
125 action->m_latency = 0.0;
127 if ((action->m_latency == 0.0) && (action->isSuspended() == 0)) {
128 action->updateBound();
129 lmm_update_variable_weight(ptask_maxmin_system, action->getVariable(), 1.0);
132 XBT_DEBUG("Action (%p) : remains (%g) updated by %g.",
133 action, action->getRemains(), lmm_variable_getvalue(action->getVariable()) * delta);
134 action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
136 if (action->getMaxDuration() != NO_MAX_DURATION)
137 action->updateMaxDuration(delta);
139 XBT_DEBUG("Action (%p) : remains (%g).",
140 action, action->getRemains());
141 if ((action->getRemains() <= 0) &&
142 (lmm_get_variable_weight(action->getVariable()) > 0)) {
144 action->setState(SURF_ACTION_DONE);
145 } else if ((action->getMaxDuration() != NO_MAX_DURATION) &&
146 (action->getMaxDuration() <= 0)) {
148 action->setState(SURF_ACTION_DONE);
150 /* Need to check that none of the model has failed */
151 lmm_constraint_t cnst = NULL;
153 void *constraint_id = NULL;
155 while ((cnst = lmm_get_cnst_from_var(ptask_maxmin_system, action->getVariable(),
157 constraint_id = lmm_constraint_id(cnst);
159 if (static_cast<HostPtr>(constraint_id)->getState() == SURF_RESOURCE_OFF) {
160 XBT_DEBUG("Action (%p) Failed!!", action);
162 action->setState(SURF_ACTION_FAILED);
171 ActionPtr HostL07Model::executeParallelTask(int host_nb,
173 double *flops_amount,
174 double *bytes_amount,
177 HostL07ActionPtr action;
182 double latency = 0.0;
184 if (ptask_parallel_task_link_set == NULL)
185 ptask_parallel_task_link_set = xbt_dict_new_homogeneous(NULL);
187 xbt_dict_reset(ptask_parallel_task_link_set);
189 /* Compute the number of affected resources... */
190 for (i = 0; i < host_nb; i++) {
191 for (j = 0; j < host_nb; j++) {
192 xbt_dynar_t route=NULL;
194 if (bytes_amount[i * host_nb + j] > 0) {
200 routing_platf->getRouteAndLatency(static_cast<HostL07Ptr>(host_list[i])->p_netElm,
201 static_cast<HostL07Ptr>(host_list[j])->p_netElm,
204 latency = MAX(latency, lat);
206 xbt_dynar_foreach(route, cpt, _link) {
207 link = static_cast<LinkL07Ptr>(_link);
208 xbt_dict_set(ptask_parallel_task_link_set, link->getName(), link, NULL);
214 nb_link = xbt_dict_length(ptask_parallel_task_link_set);
215 xbt_dict_reset(ptask_parallel_task_link_set);
217 for (i = 0; i < host_nb; i++)
218 if (flops_amount[i] > 0)
221 action = new HostL07Action(this, 1, 0);
222 XBT_DEBUG("Creating a parallel task (%p) with %d cpus and %d links.",
223 action, host_nb, nb_link);
224 action->m_suspended = 0; /* Should be useless because of the
225 calloc but it seems to help valgrind... */
226 action->m_hostNb = host_nb;
227 action->p_hostList = (HostPtr *) host_list;
228 action->p_computationAmount = flops_amount;
229 action->p_communicationAmount = bytes_amount;
230 action->m_latency = latency;
231 action->m_rate = rate;
233 action->p_variable = lmm_variable_new(ptask_maxmin_system, action, 1.0,
234 (action->m_rate > 0) ? action->m_rate : -1.0,
237 if (action->m_latency > 0)
238 lmm_update_variable_weight(ptask_maxmin_system, action->getVariable(), 0.0);
240 for (i = 0; i < host_nb; i++)
241 lmm_expand(ptask_maxmin_system,
242 static_cast<HostL07Ptr>(host_list[i])->p_cpu->getConstraint(),
243 action->getVariable(), flops_amount[i]);
245 for (i = 0; i < host_nb; i++) {
246 for (j = 0; j < host_nb; j++) {
250 xbt_dynar_t route=NULL;
251 if (bytes_amount[i * host_nb + j] == 0.0)
254 routing_platf->getRouteAndLatency(static_cast<HostL07Ptr>(host_list[i])->p_netElm,
255 static_cast<HostL07Ptr>(host_list[j])->p_netElm,
258 xbt_dynar_foreach(route, cpt, _link) {
259 link = static_cast<LinkL07Ptr>(_link);
260 lmm_expand_add(ptask_maxmin_system, link->getConstraint(),
261 action->getVariable(),
262 bytes_amount[i * host_nb + j]);
267 if (nb_link + nb_host == 0) {
268 action->setCost(1.0);
269 action->setRemains(0.0);
275 HostPtr HostL07Model::createHost(const char *name)
277 HostL07Ptr wk = NULL;
278 xbt_assert(!surf_host_resource_priv(surf_host_resource_by_name(name)),
279 "Host '%s' declared several times in the platform file.",
282 wk = new HostL07(this, name, NULL,
283 static_cast<RoutingEdgePtr>(xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL)),
284 static_cast<CpuPtr>(xbt_lib_get_or_null(host_lib, name, SURF_CPU_LEVEL)));
286 xbt_lib_set(host_lib, name, SURF_HOST_LEVEL, wk);
288 return wk;//FIXME:xbt_lib_get_elm_or_null(host_lib, name);
291 ActionPtr HostL07Model::communicate(HostPtr src, HostPtr dst,
292 double size, double rate)
294 void **host_list = xbt_new0(void *, 2);
295 double *flops_amount = xbt_new0(double, 2);
296 double *bytes_amount = xbt_new0(double, 4);
297 ActionPtr res = NULL;
301 bytes_amount[1] = size;
303 res = executeParallelTask(2, host_list,
310 xbt_dynar_t HostL07Model::getRoute(HostPtr src, HostPtr dst)
312 xbt_dynar_t route=NULL;
313 routing_platf->getRouteAndLatency(src->p_netElm, dst->p_netElm, &route, NULL);
317 CpuPtr CpuL07Model::createCpu(const char *name, xbt_dynar_t powerPeak,
318 int pstate, double power_scale,
319 tmgr_trace_t power_trace, int core,
320 e_surf_resource_state_t state_initial,
321 tmgr_trace_t state_trace,
322 xbt_dict_t cpu_properties)
324 double power_initial = xbt_dynar_get_as(powerPeak, pstate, double);
325 xbt_dynar_free(&powerPeak); // kill memory leak
327 xbt_assert(!surf_host_resource_priv(surf_host_resource_by_name(name)),
328 "Host '%s' declared several times in the platform file.",
331 CpuL07Ptr cpu = new CpuL07(this, name, cpu_properties,
332 power_initial, power_scale, power_trace,
333 core, state_initial, state_trace);
335 xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, cpu);
340 NetworkLinkPtr NetworkL07Model::createNetworkLink(const char *name,
342 tmgr_trace_t bw_trace,
344 tmgr_trace_t lat_trace,
345 e_surf_resource_state_t
347 tmgr_trace_t state_trace,
348 e_surf_link_sharing_policy_t policy,
349 xbt_dict_t properties)
351 xbt_assert(!xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL),
352 "Link '%s' declared several times in the platform file.",
355 LinkL07Ptr nw_link = new LinkL07(this, name, properties,
356 bw_initial, bw_trace,
357 lat_initial, lat_trace,
358 state_initial, state_trace,
361 xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, nw_link);
365 void HostL07Model::addTraces()
367 xbt_dict_cursor_t cursor = NULL;
368 char *trace_name, *elm;
370 if (!trace_connect_list_host_avail)
373 /* Connect traces relative to cpu */
374 xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
375 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
376 CpuL07Ptr host = static_cast<CpuL07Ptr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm)));
378 xbt_assert(host, "Host %s undefined", elm);
379 xbt_assert(trace, "Trace %s undefined", trace_name);
381 host->p_stateEvent = tmgr_history_add_trace(history, trace, 0.0, 0, host);
384 xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
385 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
386 CpuL07Ptr host = static_cast<CpuL07Ptr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm)));
388 xbt_assert(host, "Host %s undefined", elm);
389 xbt_assert(trace, "Trace %s undefined", trace_name);
391 host->p_powerEvent = tmgr_history_add_trace(history, trace, 0.0, 0, host);
394 /* Connect traces relative to network */
395 xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
396 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
397 LinkL07Ptr link = static_cast<LinkL07Ptr>(xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL));
399 xbt_assert(link, "Link %s undefined", elm);
400 xbt_assert(trace, "Trace %s undefined", trace_name);
402 link->p_stateEvent = tmgr_history_add_trace(history, trace, 0.0, 0, link);
405 xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
406 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
407 LinkL07Ptr link = static_cast<LinkL07Ptr>(xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL));
409 xbt_assert(link, "Link %s undefined", elm);
410 xbt_assert(trace, "Trace %s undefined", trace_name);
412 link->p_bwEvent = tmgr_history_add_trace(history, trace, 0.0, 0, link);
415 xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
416 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
417 LinkL07Ptr link = static_cast<LinkL07Ptr>(xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL));
419 xbt_assert(link, "Link %s undefined", elm);
420 xbt_assert(trace, "Trace %s undefined", trace_name);
422 link->p_latEvent = tmgr_history_add_trace(history, trace, 0.0, 0, link);
430 HostL07::HostL07(HostModelPtr model, const char* name, xbt_dict_t props, RoutingEdgePtr netElm, CpuPtr cpu)
431 : Host(model, name, props, NULL, netElm, cpu)
435 double HostL07::getPowerPeakAt(int /*pstate_index*/)
440 int HostL07::getNbPstates()
445 void HostL07::setPstate(int /*pstate_index*/)
450 int HostL07::getPstate()
455 double HostL07::getConsumedEnergy()
460 CpuL07::CpuL07(CpuL07ModelPtr model, const char* name, xbt_dict_t props,
461 double power_initial, double power_scale, tmgr_trace_t power_trace,
462 int core, e_surf_resource_state_t state_initial, tmgr_trace_t state_trace)
463 : Cpu(model, name, props, lmm_constraint_new(ptask_maxmin_system, this, power_initial * power_scale),
464 core, power_initial, power_scale)
466 xbt_assert(m_powerScale > 0, "Power has to be >0");
469 p_powerEvent = tmgr_history_add_trace(history, power_trace, 0.0, 0, this);
473 setState(state_initial);
475 p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, this);
478 LinkL07::LinkL07(NetworkL07ModelPtr model, const char* name, xbt_dict_t props,
480 tmgr_trace_t bw_trace,
482 tmgr_trace_t lat_trace,
483 e_surf_resource_state_t state_initial,
484 tmgr_trace_t state_trace,
485 e_surf_link_sharing_policy_t policy)
486 : NetworkLink(model, name, props, lmm_constraint_new(ptask_maxmin_system, this, bw_initial), history, state_trace)
488 m_bwCurrent = bw_initial;
490 p_bwEvent = tmgr_history_add_trace(history, bw_trace, 0.0, 0, this);
492 setState(state_initial);
493 m_latCurrent = lat_initial;
496 p_latEvent = tmgr_history_add_trace(history, lat_trace, 0.0, 0, this);
498 if (policy == SURF_LINK_FATPIPE)
499 lmm_constraint_shared(getConstraint());
502 bool CpuL07::isUsed(){
503 return lmm_constraint_used(ptask_maxmin_system, getConstraint());
506 bool LinkL07::isUsed(){
507 return lmm_constraint_used(ptask_maxmin_system, getConstraint());
510 void CpuL07::updateState(tmgr_trace_event_t event_type, double value, double /*date*/){
511 XBT_DEBUG("Updating cpu %s (%p) with value %g", getName(), this, value);
512 if (event_type == p_powerEvent) {
513 m_powerScale = value;
514 lmm_update_constraint_bound(ptask_maxmin_system, getConstraint(), m_powerPeak * m_powerScale);
515 if (tmgr_trace_event_free(event_type))
517 } else if (event_type == p_stateEvent) {
519 setState(SURF_RESOURCE_ON);
521 setState(SURF_RESOURCE_OFF);
522 if (tmgr_trace_event_free(event_type))
525 XBT_CRITICAL("Unknown event ! \n");
531 void LinkL07::updateState(tmgr_trace_event_t event_type, double value, double date){
532 XBT_DEBUG("Updating link %s (%p) with value=%f for date=%g", getName(), this, value, date);
533 if (event_type == p_bwEvent) {
534 updateBandwidth(value, date);
535 if (tmgr_trace_event_free(event_type))
537 } else if (event_type == p_latEvent) {
538 updateLatency(value, date);
539 if (tmgr_trace_event_free(event_type))
541 } else if (event_type == p_stateEvent) {
543 setState(SURF_RESOURCE_ON);
545 setState(SURF_RESOURCE_OFF);
546 if (tmgr_trace_event_free(event_type))
549 XBT_CRITICAL("Unknown event ! \n");
555 e_surf_resource_state_t HostL07::getState()
557 return p_cpu->getState();
560 ActionPtr HostL07::execute(double size)
562 void **host_list = xbt_new0(void *, 1);
563 double *flops_amount = xbt_new0(double, 1);
564 double *bytes_amount = xbt_new0(double, 1);
567 bytes_amount[0] = 0.0;
568 flops_amount[0] = size;
570 return static_cast<HostL07ModelPtr>(getModel())->executeParallelTask(1, host_list,
575 ActionPtr HostL07::sleep(double duration)
577 HostL07ActionPtr action = NULL;
579 XBT_IN("(%s,%g)", getName(), duration);
581 action = static_cast<HostL07ActionPtr>(execute(1.0));
582 action->m_maxDuration = duration;
583 action->m_suspended = 2;
584 lmm_update_variable_weight(ptask_maxmin_system, action->getVariable(), 0.0);
590 double LinkL07::getBandwidth()
595 void LinkL07::updateBandwidth(double value, double date)
598 lmm_update_constraint_bound(ptask_maxmin_system, getConstraint(), m_bwCurrent);
601 double LinkL07::getLatency()
606 void LinkL07::updateLatency(double value, double date)
608 lmm_variable_t var = NULL;
609 HostL07ActionPtr action;
610 lmm_element_t elem = NULL;
612 m_latCurrent = value;
613 while ((var = lmm_get_var_from_cnst(ptask_maxmin_system, getConstraint(), &elem))) {
614 action = (HostL07ActionPtr) lmm_variable_id(var);
615 action->updateBound();
620 bool LinkL07::isShared()
622 return lmm_constraint_is_shared(getConstraint());
629 HostL07Action::~HostL07Action(){
631 free(p_communicationAmount);
632 free(p_computationAmount);
635 void HostL07Action::updateBound()
637 double lat_current = 0.0;
638 double lat_bound = -1.0;
641 for (i = 0; i < m_hostNb; i++) {
642 for (j = 0; j < m_hostNb; j++) {
643 xbt_dynar_t route=NULL;
645 if (p_communicationAmount[i * m_hostNb + j] > 0) {
647 routing_platf->getRouteAndLatency(static_cast<HostL07Ptr>(((void**)p_hostList)[i])->p_netElm,
648 static_cast<HostL07Ptr>(((void**)p_hostList)[j])->p_netElm,
651 lat_current = MAX(lat_current, lat * p_communicationAmount[i * m_hostNb + j]);
655 lat_bound = sg_tcp_gamma / (2.0 * lat_current);
656 XBT_DEBUG("action (%p) : lat_bound = %g", this, lat_bound);
657 if ((m_latency == 0.0) && (m_suspended == 0)) {
659 lmm_update_variable_bound(ptask_maxmin_system, getVariable(), lat_bound);
661 lmm_update_variable_bound(ptask_maxmin_system, getVariable(), min(m_rate, lat_bound));
665 int HostL07Action::unref()
669 if (actionHook::is_linked())
670 p_stateSet->erase(p_stateSet->iterator_to(*this));
672 lmm_variable_free(ptask_maxmin_system, getVariable());
679 void HostL07Action::cancel()
681 setState(SURF_ACTION_FAILED);
685 void HostL07Action::suspend()
687 XBT_IN("(%p))", this);
688 if (m_suspended != 2) {
690 lmm_update_variable_weight(ptask_maxmin_system, getVariable(), 0.0);
695 void HostL07Action::resume()
697 XBT_IN("(%p)", this);
698 if (m_suspended != 2) {
699 lmm_update_variable_weight(ptask_maxmin_system, getVariable(), 1.0);
705 bool HostL07Action::isSuspended()
707 return m_suspended == 1;
710 void HostL07Action::setMaxDuration(double duration)
711 { /* FIXME: should inherit */
712 XBT_IN("(%p,%g)", this, duration);
713 m_maxDuration = duration;
717 void HostL07Action::setPriority(double priority)
718 { /* FIXME: should inherit */
719 XBT_IN("(%p,%g)", this, priority);
720 m_priority = priority;
724 double HostL07Action::getRemains()
726 XBT_IN("(%p)", this);