Cpu::Cpu(Model *model, const char *name, xbt_dict_t props,
lmm_constraint_t constraint, int core, double powerPeak, double powerScale)
: Resource(model, name, props, constraint)
, m_core(core)
, m_powerPeak(powerPeak)
, m_powerScale(powerScale)
{
surf_callback_emit(cpuCreatedCallbacks, this);
/* At now, we assume that a VM does not have a multicore CPU. */
if (core > 1)
xbt_assert(model == surf_cpu_model_pm);
p_constraintCore = NULL;
p_constraintCoreId = NULL;
if (model->getUpdateMechanism() != UM_UNDEFINED) {
p_constraintCore = xbt_new(lmm_constraint_t, core);
p_constraintCoreId = xbt_new(void*, core);
int i;
for (i = 0; i < core; i++) {
/* just for a unique id, never used as a string. */
p_constraintCoreId[i] = bprintf("%s:%i", name, i);
p_constraintCore[i] = lmm_constraint_new(model->getMaxminSystem(), p_constraintCoreId[i], m_powerScale * m_powerPeak);
}
}
Cpu::Cpu(Model *model, simgrid::s4u::Host *host, lmm_constraint_t constraint,
xbt_dynar_t speedPeakList, int core, double speedPeak)
: Resource(model, host->name().c_str(), constraint)
, m_core(core)
, m_host(host)
{
p_speed.peak = speedPeak;
p_speed.scale = 1;
host->pimpl_cpu = this;
xbt_assert(p_speed.scale > 0, "Available speed has to be >0");
// Copy the power peak array:
p_speedPeakList = xbt_dynar_new(sizeof(double), nullptr);
unsigned long n = xbt_dynar_length(speedPeakList);
for (unsigned long i = 0; i != n; ++i) {
double value = xbt_dynar_get_as(speedPeakList, i, double);
xbt_dynar_push(p_speedPeakList, &value);
}
/* Currently, we assume that a VM does not have a multicore CPU. */
if (core > 1)
xbt_assert(model == surf_cpu_model_pm);
if (model->getUpdateMechanism() != UM_UNDEFINED) {
p_constraintCore = xbt_new(lmm_constraint_t, core);
p_constraintCoreId = xbt_new(void*, core);
int i;
for (i = 0; i < core; i++) {
/* just for a unique id, never used as a string. */
p_constraintCoreId[i] = bprintf("%s:%i", host->name().c_str(), i);
p_constraintCore[i] = lmm_constraint_new(model->getMaxminSystem(), p_constraintCoreId[i], p_speed.scale * p_speed.peak);
}
}
Storage::Storage(Model *model, const char *name, xbt_dict_t props,
lmm_system_t maxminSystem, double bread, double bwrite,
double bconnection, const char* type_id, char *content_name,
char *content_type, sg_size_t size, char *attach)
: Resource(model, name, props, lmm_constraint_new(maxminSystem, this, bconnection))
, p_contentType(content_type)
, m_size(size), m_usedSize(0)
, p_typeId(xbt_strdup(type_id))
, p_writeActions(xbt_dynar_new(sizeof(Action*),NULL)) {
surf_callback_emit(storageCreatedCallbacks, this);
p_content = parseContent(content_name);
p_attach = xbt_strdup(attach);
setState(SURF_RESOURCE_ON);
XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%llu'", bconnection, bread, bwrite, size);
p_constraintRead = lmm_constraint_new(maxminSystem, this, bread);
p_constraintWrite = lmm_constraint_new(maxminSystem, this, bwrite);
}
void test(int nb_cnst, int nb_var, int nb_elem)
{
lmm_system_t Sys = NULL;
lmm_constraint_t *cnst = xbt_new0(lmm_constraint_t, nb_cnst);
lmm_variable_t *var = xbt_new0(lmm_variable_t, nb_var);
int *used = xbt_new0(int, nb_cnst);
int i, j, k;
Sys = lmm_system_new(1);
for (i = 0; i < nb_cnst; i++) {
cnst[i] = lmm_constraint_new(Sys, NULL, float_random(10.0));
}
for (i = 0; i < nb_var; i++) {
var[i] = lmm_variable_new(Sys, NULL, 1.0, -1.0, nb_elem);
for (j = 0; j < nb_cnst; j++)
used[j] = 0;
for (j = 0; j < nb_elem; j++) {
k = int_random(nb_cnst);
if (used[k]) {
j--;
continue;
}
lmm_expand(Sys, cnst[k], var[i], float_random(1.0));
used[k] = 1;
}
}
printf("Starting to solve\n");
date = xbt_os_time() * 1000000;
lmm_solve(Sys);
date = xbt_os_time() * 1000000 - date;
for (i = 0; i < nb_var; i++)
lmm_variable_free(Sys, var[i]);
lmm_system_free(Sys);
free(cnst);
free(var);
free(used);
}
static void *cpu_create_resource(const char *name, double power_peak,
double power_scale,
tmgr_trace_t power_trace,
int core,
e_surf_resource_state_t state_initial,
tmgr_trace_t state_trace,
xbt_dict_t cpu_properties)
{
cpu_Cas01_t cpu = NULL;
xbt_assert(!surf_cpu_resource_by_name(name),
"Host '%s' declared several times in the platform file",
name);
cpu = (cpu_Cas01_t) surf_resource_new(sizeof(s_cpu_Cas01_t),
surf_cpu_model, name,
cpu_properties);
cpu->power_peak = power_peak;
xbt_assert(cpu->power_peak > 0, "Power has to be >0");
cpu->power_scale = power_scale;
cpu->core = core;
xbt_assert(core > 0, "Invalid number of cores %d", core);
if (power_trace)
cpu->power_event =
tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
cpu->state_current = state_initial;
if (state_trace)
cpu->state_event =
tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
cpu->constraint =
lmm_constraint_new(surf_cpu_model->model_private->maxmin_system, cpu,
cpu->core * cpu->power_scale * cpu->power_peak);
xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, cpu);
return cpu;
}
/************
* Resource *
************/
CpuCas01::CpuCas01(CpuCas01Model *model, simgrid::s4u::Host *host, std::vector<double> *speedPerPstate, int core)
: Cpu(model, host, lmm_constraint_new(model->getMaxminSystem(), this, core * speedPerPstate->front()),
speedPerPstate, core)
{
}
static void test(int nb_cnst, int nb_var, int nb_elem, unsigned int pw_base_limit, unsigned int pw_max_limit,
float rate_no_limit, int max_share, int mode)
{
lmm_system_t Sys = NULL;
lmm_constraint_t *cnst = xbt_new0(lmm_constraint_t, nb_cnst);
lmm_variable_t *var = xbt_new0(lmm_variable_t, nb_var);
int *used = xbt_new0(int, nb_cnst);
int i;
int j;
int k;
int l;
int concurrency_share;
Sys = lmm_system_new(1);
for (i = 0; i < nb_cnst; i++) {
cnst[i] = lmm_constraint_new(Sys, NULL, float_random(10.0));
if(rate_no_limit>float_random(1.0))
//Look at what happens when there is no concurrency limit
l=-1;
else
//Badly logarithmically random concurrency limit in [2^pw_base_limit+1,2^pw_base_limit+2^pw_max_limit]
l=(1<<pw_base_limit)+(1<<int_random(pw_max_limit));
lmm_constraint_concurrency_limit_set(cnst[i],l );
}
for (i = 0; i < nb_var; i++) {
var[i] = lmm_variable_new(Sys, NULL, 1.0, -1.0, nb_elem);
//Have a few variables with a concurrency share of two (e.g. cross-traffic in some cases)
concurrency_share=1+int_random(max_share);
lmm_variable_concurrency_share_set(var[i],concurrency_share);
for (j = 0; j < nb_cnst; j++)
used[j] = 0;
for (j = 0; j < nb_elem; j++) {
k = int_random(nb_cnst);
if (used[k]>=concurrency_share) {
j--;
continue;
}
lmm_expand(Sys, cnst[k], var[i], float_random(1.5));
lmm_expand_add(Sys, cnst[k], var[i], float_random(1.5));
used[k]++;
}
}
fprintf(stderr,"Starting to solve(%i)\n",myrand()%1000);
date = xbt_os_time() * 1000000;
lmm_solve(Sys);
date = xbt_os_time() * 1000000 - date;
if(mode==2){
fprintf(stderr,"Max concurrency:\n");
l=0;
for (i = 0; i < nb_cnst; i++) {
j=lmm_constraint_concurrency_maximum_get(cnst[i]);
k=lmm_constraint_concurrency_limit_get(cnst[i]);
xbt_assert(k<0 || j<=k);
if(j>l)
l=j;
fprintf(stderr,"(%i):%i/%i ",i,j,k);
lmm_constraint_concurrency_maximum_reset(cnst[i]);
xbt_assert(!lmm_constraint_concurrency_maximum_get(cnst[i]));
if(i%10==9)
fprintf(stderr,"\n");
}
fprintf(stderr,"\nTotal maximum concurrency is %i\n",l);
lmm_print(Sys);
}
for (i = 0; i < nb_var; i++)
lmm_variable_free(Sys, var[i]);
lmm_system_free(Sys);
free(cnst);
free(var);
free(used);
}
