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 "workstation_ptask_L07.hpp"
8 #include "cpu_interface.hpp"
9 #include "surf_routing.hpp"
11 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_workstation);
13 static int ptask_host_count = 0;
14 static xbt_dict_t ptask_parallel_task_link_set = NULL;
15 lmm_system_t ptask_maxmin_system = NULL;
18 /**************************************/
19 /*** Resource Creation & Destruction **/
20 /**************************************/
22 static void ptask_netlink_parse_init(sg_platf_link_cbarg_t link)
24 netlink_parse_init(link);
25 current_property_set = NULL;
28 static void ptask_define_callbacks()
30 sg_platf_host_add_cb(cpu_parse_init);
31 sg_platf_host_add_cb(workstation_parse_init);
32 sg_platf_link_add_cb(ptask_netlink_parse_init);
33 sg_platf_postparse_add_cb(workstation_add_traces);
36 void surf_workstation_model_init_ptask_L07(void)
38 XBT_INFO("surf_workstation_model_init_ptask_L07");
39 xbt_assert(!surf_cpu_model_pm, "CPU model type already defined");
40 xbt_assert(!surf_network_model, "network model type already defined");
41 ptask_define_callbacks();
42 surf_workstation_model = new WorkstationL07Model();
43 ModelPtr model = surf_workstation_model;
44 xbt_dynar_push(model_list, &model);
45 xbt_dynar_push(model_list_invoke, &model);
49 WorkstationL07Model::WorkstationL07Model() : WorkstationModel("Workstation ptask_L07") {
50 if (!ptask_maxmin_system)
51 ptask_maxmin_system = lmm_system_new(1);
52 surf_workstation_model = NULL;
53 surf_network_model = new NetworkL07Model();
54 surf_cpu_model_pm = new CpuL07Model();
55 routing_model_create(surf_network_model->createNetworkLink("__loopback__",
58 SURF_RESOURCE_ON, NULL,
59 SURF_LINK_FATPIPE, NULL));
60 p_cpuModel = surf_cpu_model_pm;
63 WorkstationL07Model::~WorkstationL07Model() {
64 xbt_dict_free(&ptask_parallel_task_link_set);
66 delete surf_cpu_model_pm;
67 delete surf_network_model;
70 if (ptask_maxmin_system) {
71 lmm_system_free(ptask_maxmin_system);
72 ptask_maxmin_system = NULL;
76 double WorkstationL07Model::shareResources(double /*now*/)
78 WorkstationL07ActionPtr action;
80 ActionListPtr running_actions = getRunningActionSet();
81 double min = this->shareResourcesMaxMin(running_actions,
85 for(ActionList::iterator it(running_actions->begin()), itend(running_actions->end())
86 ; it != itend ; ++it) {
87 action = static_cast<WorkstationL07ActionPtr>(&*it);
88 if (action->m_latency > 0) {
90 min = action->m_latency;
91 XBT_DEBUG("Updating min (value) with %p (start %f): %f", action,
92 action->getStartTime(), min);
93 } else if (action->m_latency < min) {
94 min = action->m_latency;
95 XBT_DEBUG("Updating min (latency) with %p (start %f): %f", action,
96 action->getStartTime(), min);
101 XBT_DEBUG("min value : %f", min);
106 void WorkstationL07Model::updateActionsState(double /*now*/, double delta)
109 WorkstationL07ActionPtr action;
111 ActionListPtr actionSet = getRunningActionSet();
113 for(ActionList::iterator it(actionSet->begin()), itNext = it, itend(actionSet->end())
114 ; it != itend ; it=itNext) {
116 action = static_cast<WorkstationL07ActionPtr>(&*it);
118 if (action->m_latency > 0) {
119 if (action->m_latency > deltap) {
120 double_update(&(action->m_latency), deltap, sg_surf_precision);
123 double_update(&(deltap), action->m_latency, sg_surf_precision);
124 action->m_latency = 0.0;
126 if ((action->m_latency == 0.0) && (action->isSuspended() == 0)) {
127 action->updateBound();
128 lmm_update_variable_weight(ptask_maxmin_system, action->getVariable(), 1.0);
131 XBT_DEBUG("Action (%p) : remains (%g) updated by %g.",
132 action, action->getRemains(), lmm_variable_getvalue(action->getVariable()) * delta);
133 action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
135 if (action->getMaxDuration() != NO_MAX_DURATION)
136 action->updateMaxDuration(delta);
138 XBT_DEBUG("Action (%p) : remains (%g).",
139 action, action->getRemains());
140 if ((action->getRemains() <= 0) &&
141 (lmm_get_variable_weight(action->getVariable()) > 0)) {
143 action->setState(SURF_ACTION_DONE);
144 } else if ((action->getMaxDuration() != NO_MAX_DURATION) &&
145 (action->getMaxDuration() <= 0)) {
147 action->setState(SURF_ACTION_DONE);
149 /* Need to check that none of the model has failed */
150 lmm_constraint_t cnst = NULL;
152 void *constraint_id = NULL;
154 while ((cnst = lmm_get_cnst_from_var(ptask_maxmin_system, action->getVariable(),
156 constraint_id = lmm_constraint_id(cnst);
158 if (static_cast<WorkstationPtr>(constraint_id)->getState() == SURF_RESOURCE_OFF) {
159 XBT_DEBUG("Action (%p) Failed!!", action);
161 action->setState(SURF_ACTION_FAILED);
170 ActionPtr WorkstationL07Model::executeParallelTask(int workstation_nb,
171 void **workstation_list,
172 double *flops_amount,
173 double *bytes_amount,
176 WorkstationL07ActionPtr action;
181 double latency = 0.0;
183 if (ptask_parallel_task_link_set == NULL)
184 ptask_parallel_task_link_set = xbt_dict_new_homogeneous(NULL);
186 xbt_dict_reset(ptask_parallel_task_link_set);
188 /* Compute the number of affected resources... */
189 for (i = 0; i < workstation_nb; i++) {
190 for (j = 0; j < workstation_nb; j++) {
191 xbt_dynar_t route=NULL;
193 if (bytes_amount[i * workstation_nb + j] > 0) {
199 routing_platf->getRouteAndLatency(static_cast<WorkstationL07Ptr>(workstation_list[i])->p_netElm,
200 static_cast<WorkstationL07Ptr>(workstation_list[j])->p_netElm,
203 latency = MAX(latency, lat);
205 xbt_dynar_foreach(route, cpt, _link) {
206 link = static_cast<LinkL07Ptr>(_link);
207 xbt_dict_set(ptask_parallel_task_link_set, link->getName(), link, NULL);
213 nb_link = xbt_dict_length(ptask_parallel_task_link_set);
214 xbt_dict_reset(ptask_parallel_task_link_set);
216 for (i = 0; i < workstation_nb; i++)
217 if (flops_amount[i] > 0)
220 action = new WorkstationL07Action(this, 1, 0);
221 XBT_DEBUG("Creating a parallel task (%p) with %d cpus and %d links.",
222 action, workstation_nb, nb_link);
223 action->m_suspended = 0; /* Should be useless because of the
224 calloc but it seems to help valgrind... */
225 action->m_workstationNb = workstation_nb;
226 action->p_workstationList = (WorkstationPtr *) workstation_list;
227 action->p_computationAmount = flops_amount;
228 action->p_communicationAmount = bytes_amount;
229 action->m_latency = latency;
230 action->m_rate = rate;
232 action->p_variable = lmm_variable_new(ptask_maxmin_system, action, 1.0,
233 (action->m_rate > 0) ? action->m_rate : -1.0,
234 workstation_nb + nb_link);
236 if (action->m_latency > 0)
237 lmm_update_variable_weight(ptask_maxmin_system, action->getVariable(), 0.0);
239 for (i = 0; i < workstation_nb; i++)
240 lmm_expand(ptask_maxmin_system,
241 static_cast<WorkstationL07Ptr>(workstation_list[i])->p_cpu->getConstraint(),
242 action->getVariable(), flops_amount[i]);
244 for (i = 0; i < workstation_nb; i++) {
245 for (j = 0; j < workstation_nb; j++) {
249 xbt_dynar_t route=NULL;
250 if (bytes_amount[i * workstation_nb + j] == 0.0)
253 routing_platf->getRouteAndLatency(static_cast<WorkstationL07Ptr>(workstation_list[i])->p_netElm,
254 static_cast<WorkstationL07Ptr>(workstation_list[j])->p_netElm,
257 xbt_dynar_foreach(route, cpt, _link) {
258 link = static_cast<LinkL07Ptr>(_link);
259 lmm_expand_add(ptask_maxmin_system, link->getConstraint(),
260 action->getVariable(),
261 bytes_amount[i * workstation_nb + j]);
266 if (nb_link + nb_host == 0) {
267 action->setCost(1.0);
268 action->setRemains(0.0);
274 WorkstationPtr WorkstationL07Model::createWorkstation(const char *name)
276 WorkstationL07Ptr wk = NULL;
277 xbt_assert(!surf_workstation_resource_priv(surf_workstation_resource_by_name(name)),
278 "Host '%s' declared several times in the platform file.",
281 wk = new WorkstationL07(this, name, NULL,
282 static_cast<RoutingEdgePtr>(xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL)),
283 static_cast<CpuPtr>(xbt_lib_get_or_null(host_lib, name, SURF_CPU_LEVEL)));
285 xbt_lib_set(host_lib, name, SURF_WKS_LEVEL, wk);
287 return wk;//FIXME:xbt_lib_get_elm_or_null(host_lib, name);
290 ActionPtr WorkstationL07Model::communicate(WorkstationPtr src, WorkstationPtr dst,
291 double size, double rate)
293 void **workstation_list = xbt_new0(void *, 2);
294 double *flops_amount = xbt_new0(double, 2);
295 double *bytes_amount = xbt_new0(double, 4);
296 ActionPtr res = NULL;
298 workstation_list[0] = src;
299 workstation_list[1] = dst;
300 bytes_amount[1] = size;
302 res = executeParallelTask(2, workstation_list,
309 xbt_dynar_t WorkstationL07Model::getRoute(WorkstationPtr src, WorkstationPtr dst)
311 xbt_dynar_t route=NULL;
312 routing_platf->getRouteAndLatency(src->p_netElm, dst->p_netElm, &route, NULL);
316 CpuPtr CpuL07Model::createCpu(const char *name, xbt_dynar_t powerPeak,
317 int pstate, double power_scale,
318 tmgr_trace_t power_trace, int core,
319 e_surf_resource_state_t state_initial,
320 tmgr_trace_t state_trace,
321 xbt_dict_t cpu_properties)
323 double power_initial = xbt_dynar_get_as(powerPeak, pstate, double);
324 xbt_dynar_free(&powerPeak); // kill memory leak
326 xbt_assert(!surf_workstation_resource_priv(surf_workstation_resource_by_name(name)),
327 "Host '%s' declared several times in the platform file.",
330 CpuL07Ptr cpu = new CpuL07(this, name, cpu_properties,
331 power_initial, power_scale, power_trace,
332 core, state_initial, state_trace);
334 xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, cpu);
339 NetworkLinkPtr NetworkL07Model::createNetworkLink(const char *name,
341 tmgr_trace_t bw_trace,
343 tmgr_trace_t lat_trace,
344 e_surf_resource_state_t
346 tmgr_trace_t state_trace,
347 e_surf_link_sharing_policy_t policy,
348 xbt_dict_t properties)
350 xbt_assert(!xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL),
351 "Link '%s' declared several times in the platform file.",
354 LinkL07Ptr nw_link = new LinkL07(this, name, properties,
355 bw_initial, bw_trace,
356 lat_initial, lat_trace,
357 state_initial, state_trace,
360 xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, nw_link);
364 void WorkstationL07Model::addTraces()
366 xbt_dict_cursor_t cursor = NULL;
367 char *trace_name, *elm;
369 if (!trace_connect_list_host_avail)
372 /* Connect traces relative to cpu */
373 xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
374 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
375 CpuL07Ptr host = static_cast<CpuL07Ptr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm)));
377 xbt_assert(host, "Host %s undefined", elm);
378 xbt_assert(trace, "Trace %s undefined", trace_name);
380 host->p_stateEvent = tmgr_history_add_trace(history, trace, 0.0, 0, host);
383 xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
384 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
385 CpuL07Ptr host = static_cast<CpuL07Ptr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm)));
387 xbt_assert(host, "Host %s undefined", elm);
388 xbt_assert(trace, "Trace %s undefined", trace_name);
390 host->p_powerEvent = tmgr_history_add_trace(history, trace, 0.0, 0, host);
393 /* Connect traces relative to network */
394 xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
395 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
396 LinkL07Ptr link = static_cast<LinkL07Ptr>(xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL));
398 xbt_assert(link, "Link %s undefined", elm);
399 xbt_assert(trace, "Trace %s undefined", trace_name);
401 link->p_stateEvent = tmgr_history_add_trace(history, trace, 0.0, 0, link);
404 xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
405 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
406 LinkL07Ptr link = static_cast<LinkL07Ptr>(xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL));
408 xbt_assert(link, "Link %s undefined", elm);
409 xbt_assert(trace, "Trace %s undefined", trace_name);
411 link->p_bwEvent = tmgr_history_add_trace(history, trace, 0.0, 0, link);
414 xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
415 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
416 LinkL07Ptr link = static_cast<LinkL07Ptr>(xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL));
418 xbt_assert(link, "Link %s undefined", elm);
419 xbt_assert(trace, "Trace %s undefined", trace_name);
421 link->p_latEvent = tmgr_history_add_trace(history, trace, 0.0, 0, link);
429 WorkstationL07::WorkstationL07(WorkstationModelPtr model, const char* name, xbt_dict_t props, RoutingEdgePtr netElm, CpuPtr cpu)
430 : Workstation(model, name, props, NULL, netElm, cpu)
434 double WorkstationL07::getPowerPeakAt(int /*pstate_index*/)
436 XBT_DEBUG("[ws_get_power_peak_at] Not implemented for workstation_ptask_L07");
440 int WorkstationL07::getNbPstates()
442 XBT_DEBUG("[ws_get_nb_pstates] Not implemented for workstation_ptask_L07");
446 void WorkstationL07::setPowerPeakAt(int /*pstate_index*/)
448 XBT_DEBUG("[ws_set_power_peak_at] Not implemented for workstation_ptask_L07");
451 double WorkstationL07::getConsumedEnergy()
453 XBT_DEBUG("[ws_get_consumed_energy] Not implemented for workstation_ptask_L07");
457 CpuL07::CpuL07(CpuL07ModelPtr model, const char* name, xbt_dict_t props,
458 double power_initial, double power_scale, tmgr_trace_t power_trace,
459 int core, e_surf_resource_state_t state_initial, tmgr_trace_t state_trace)
460 : Cpu(model, name, props, lmm_constraint_new(ptask_maxmin_system, this, power_initial * power_scale),
461 core, power_initial, power_scale)
463 xbt_assert(m_powerScale > 0, "Power has to be >0");
466 p_powerEvent = tmgr_history_add_trace(history, power_trace, 0.0, 0, this);
470 setState(state_initial);
472 p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, this);
475 LinkL07::LinkL07(NetworkL07ModelPtr model, const char* name, xbt_dict_t props,
477 tmgr_trace_t bw_trace,
479 tmgr_trace_t lat_trace,
480 e_surf_resource_state_t state_initial,
481 tmgr_trace_t state_trace,
482 e_surf_link_sharing_policy_t policy)
483 : NetworkLink(model, name, props, lmm_constraint_new(ptask_maxmin_system, this, bw_initial), history, state_trace)
485 m_bwCurrent = bw_initial;
487 p_bwEvent = tmgr_history_add_trace(history, bw_trace, 0.0, 0, this);
489 setState(state_initial);
490 m_latCurrent = lat_initial;
493 p_latEvent = tmgr_history_add_trace(history, lat_trace, 0.0, 0, this);
495 if (policy == SURF_LINK_FATPIPE)
496 lmm_constraint_shared(getConstraint());
499 bool CpuL07::isUsed(){
500 return lmm_constraint_used(ptask_maxmin_system, getConstraint());
503 bool LinkL07::isUsed(){
504 return lmm_constraint_used(ptask_maxmin_system, getConstraint());
507 void CpuL07::updateState(tmgr_trace_event_t event_type, double value, double /*date*/){
508 XBT_DEBUG("Updating cpu %s (%p) with value %g", getName(), this, value);
509 if (event_type == p_powerEvent) {
510 m_powerScale = value;
511 lmm_update_constraint_bound(ptask_maxmin_system, getConstraint(), m_powerPeak * m_powerScale);
512 if (tmgr_trace_event_free(event_type))
514 } else if (event_type == p_stateEvent) {
516 setState(SURF_RESOURCE_ON);
518 setState(SURF_RESOURCE_OFF);
519 if (tmgr_trace_event_free(event_type))
522 XBT_CRITICAL("Unknown event ! \n");
528 void LinkL07::updateState(tmgr_trace_event_t event_type, double value, double date){
529 XBT_DEBUG("Updating link %s (%p) with value=%f for date=%g", getName(), this, value, date);
530 if (event_type == p_bwEvent) {
531 updateBandwidth(value, date);
532 if (tmgr_trace_event_free(event_type))
534 } else if (event_type == p_latEvent) {
535 updateLatency(value, date);
536 if (tmgr_trace_event_free(event_type))
538 } else if (event_type == p_stateEvent) {
540 setState(SURF_RESOURCE_ON);
542 setState(SURF_RESOURCE_OFF);
543 if (tmgr_trace_event_free(event_type))
546 XBT_CRITICAL("Unknown event ! \n");
552 e_surf_resource_state_t WorkstationL07::getState()
554 return p_cpu->getState();
557 ActionPtr WorkstationL07::execute(double size)
559 void **workstation_list = xbt_new0(void *, 1);
560 double *flops_amount = xbt_new0(double, 1);
561 double *bytes_amount = xbt_new0(double, 1);
563 workstation_list[0] = this;
564 bytes_amount[0] = 0.0;
565 flops_amount[0] = size;
567 return static_cast<WorkstationL07ModelPtr>(getModel())->executeParallelTask(1, workstation_list,
572 ActionPtr WorkstationL07::sleep(double duration)
574 WorkstationL07ActionPtr action = NULL;
576 XBT_IN("(%s,%g)", getName(), duration);
578 action = static_cast<WorkstationL07ActionPtr>(execute(1.0));
579 action->m_maxDuration = duration;
580 action->m_suspended = 2;
581 lmm_update_variable_weight(ptask_maxmin_system, action->getVariable(), 0.0);
587 double LinkL07::getBandwidth()
592 void LinkL07::updateBandwidth(double value, double date)
595 lmm_update_constraint_bound(ptask_maxmin_system, getConstraint(), m_bwCurrent);
598 double LinkL07::getLatency()
603 void LinkL07::updateLatency(double value, double date)
605 lmm_variable_t var = NULL;
606 WorkstationL07ActionPtr action;
607 lmm_element_t elem = NULL;
609 m_latCurrent = value;
610 while ((var = lmm_get_var_from_cnst(ptask_maxmin_system, getConstraint(), &elem))) {
611 action = (WorkstationL07ActionPtr) lmm_variable_id(var);
612 action->updateBound();
617 bool LinkL07::isShared()
619 return lmm_constraint_is_shared(getConstraint());
626 WorkstationL07Action::~WorkstationL07Action(){
627 free(p_workstationList);
628 free(p_communicationAmount);
629 free(p_computationAmount);
632 void WorkstationL07Action::updateBound()
634 double lat_current = 0.0;
635 double lat_bound = -1.0;
638 for (i = 0; i < m_workstationNb; i++) {
639 for (j = 0; j < m_workstationNb; j++) {
640 xbt_dynar_t route=NULL;
642 if (p_communicationAmount[i * m_workstationNb + j] > 0) {
644 routing_platf->getRouteAndLatency(static_cast<WorkstationL07Ptr>(((void**)p_workstationList)[i])->p_netElm,
645 static_cast<WorkstationL07Ptr>(((void**)p_workstationList)[j])->p_netElm,
648 lat_current = MAX(lat_current, lat * p_communicationAmount[i * m_workstationNb + j]);
652 lat_bound = sg_tcp_gamma / (2.0 * lat_current);
653 XBT_DEBUG("action (%p) : lat_bound = %g", this, lat_bound);
654 if ((m_latency == 0.0) && (m_suspended == 0)) {
656 lmm_update_variable_bound(ptask_maxmin_system, getVariable(), lat_bound);
658 lmm_update_variable_bound(ptask_maxmin_system, getVariable(), min(m_rate, lat_bound));
662 int WorkstationL07Action::unref()
666 if (actionHook::is_linked())
667 p_stateSet->erase(p_stateSet->iterator_to(*this));
669 lmm_variable_free(ptask_maxmin_system, getVariable());
676 void WorkstationL07Action::cancel()
678 setState(SURF_ACTION_FAILED);
682 void WorkstationL07Action::suspend()
684 XBT_IN("(%p))", this);
685 if (m_suspended != 2) {
687 lmm_update_variable_weight(ptask_maxmin_system, getVariable(), 0.0);
692 void WorkstationL07Action::resume()
694 XBT_IN("(%p)", this);
695 if (m_suspended != 2) {
696 lmm_update_variable_weight(ptask_maxmin_system, getVariable(), 1.0);
702 bool WorkstationL07Action::isSuspended()
704 return m_suspended == 1;
707 void WorkstationL07Action::setMaxDuration(double duration)
708 { /* FIXME: should inherit */
709 XBT_IN("(%p,%g)", this, duration);
710 m_maxDuration = duration;
714 void WorkstationL07Action::setPriority(double priority)
715 { /* FIXME: should inherit */
716 XBT_IN("(%p,%g)", this, priority);
717 m_priority = priority;
721 double WorkstationL07Action::getRemains()
723 XBT_IN("(%p)", this);