this->nodesByLevel_.resize(this->levels_ + 1, 0);
unsigned int nodesRequired = 0;
- // We take care of the number of nodes by level
+ // Take care of the number of nodes by level
this->nodesByLevel_[0] = 1;
- for (unsigned int i = 0 ; i < this->levels_ ; i++) {
+ for (unsigned int i = 0 ; i < this->levels_ ; i++)
this->nodesByLevel_[0] *= this->lowerLevelNodesNumber_[i];
- }
-
if(this->nodesByLevel_[0] != this->nodes_.size()) {
surf_parse_error("The number of provided nodes does not fit with the wanted topology."
for (unsigned int i = 0 ; i < this->levels_ ; i++) {
int nodesInThisLevel = 1;
- for (unsigned int j = 0 ; j <= i ; j++) {
+ for (unsigned int j = 0 ; j <= i ; j++)
nodesInThisLevel *= this->upperLevelNodesNumber_[j];
- }
- for (unsigned int j = i+1 ; j < this->levels_ ; j++) {
+ for (unsigned int j = i+1 ; j < this->levels_ ; j++)
nodesInThisLevel *= this->lowerLevelNodesNumber_[j];
- }
this->nodesByLevel_[i+1] = nodesInThisLevel;
nodesRequired += nodesInThisLevel;
}
- // We create the switches
+ // Create the switches
int k = 0;
for (unsigned int i = 0 ; i < this->levels_ ; i++) {
for (unsigned int j = 0 ; j < this->nodesByLevel_[i + 1] ; j++) {
- FatTreeNode* newNode;
- newNode = new FatTreeNode(this->cluster_, --k, i + 1, j);
- XBT_DEBUG("We create the switch %d(%d,%d)", newNode->id, newNode->level,
- newNode->position);
+ FatTreeNode* newNode = new FatTreeNode(this->cluster_, --k, i + 1, j);
+ XBT_DEBUG("We create the switch %d(%d,%d)", newNode->id, newNode->level, newNode->position);
newNode->children.resize(this->lowerLevelNodesNumber_[i] *
this->lowerLevelPortsNumber_[i]);
if (i != this->levels_ - 1) {
this->nodes_[k]->label.assign(currentLabel.begin(), currentLabel.end());
bool remainder = true;
-
unsigned int pos = 0;
- do {
- std::stringstream msgBuffer;
-
+ while (remainder && pos < this->levels_) {
++currentLabel[pos];
if (currentLabel[pos] >= maxLabel[pos]) {
currentLabel[pos] = 0;
remainder = true;
+ ++pos;
}
else {
- remainder = false;
- }
- if (!remainder) {
pos = 0;
- }
- else {
- ++pos;
+ remainder = false;
}
}
- while(remainder && pos < this->levels_);
k++;
}
}
int AsClusterFatTree::getLevelPosition(const unsigned int level) {
- if (level > this->levels_) {
- // Well, that should never happen. Maybe should we throw instead.
- return -1;
- }
+ xbt_assert(level <= this->levels_, "The impossible did happen. Yet again.");
int tempPosition = 0;
- for (unsigned int i = 0 ; i < level ; i++) {
+ for (unsigned int i = 0 ; i < level ; i++)
tempPosition += this->nodesByLevel_[i];
- }
- return tempPosition;
+
+ return tempPosition;
}
void AsClusterFatTree::addProcessingNode(int id) {
FatTreeNode *child, unsigned int childPort) {
FatTreeLink *newLink;
newLink = new FatTreeLink(this->cluster_, child, parent);
- XBT_DEBUG("Creating a link between the parent (%d,%d,%u)"
- " and the child (%d,%d,%u)", parent->level, parent->position,
- parentPort, child->level, child->position, childPort);
+ XBT_DEBUG("Creating a link between the parent (%d,%d,%u) and the child (%d,%d,%u)",
+ parent->level, parent->position, parentPort, child->level, child->position, childPort);
parent->children[parentPort] = newLink;
child->parents[childPort] = newLink;
this->links_.push_back(newLink);
-
-
-
}
-void AsClusterFatTree::parse_specific_arguments(sg_platf_cluster_cbarg_t
- cluster) {
+void AsClusterFatTree::parse_specific_arguments(sg_platf_cluster_cbarg_t cluster) {
std::vector<std::string> parameters;
std::vector<std::string> tmp;
boost::split(parameters, cluster->topo_parameters, boost::is_any_of(";"));
-
// TODO : we have to check for zeros and negative numbers, or it might crash
if (parameters.size() != 4){
- surf_parse_error("Fat trees are defined by the levels number and 3 vectors"
- ", see the documentation for more informations");
+ surf_parse_error("Fat trees are defined by the levels number and 3 vectors, see the documentation for more informations");
}
// The first parts of topo_parameters should be the levels number
void AsClusterFatTree::generateDotFile(const std::string& filename) const {
std::ofstream file;
- /* Maybe should we get directly a char*, as open takes strings only beginning
- * with C++11...
- */
- file.open(filename.c_str(), std::ios::out | std::ios::trunc);
-
- if(file.is_open()) {
- file << "graph AsClusterFatTree {\n";
- for (unsigned int i = 0 ; i < this->nodes_.size() ; i++) {
- file << this->nodes_[i]->id;
- if(this->nodes_[i]->id < 0) {
- file << " [shape=circle];\n";
- }
- else {
- file << " [shape=hexagon];\n";
- }
- }
+ file.open(filename, std::ios::out | std::ios::trunc);
+ xbt_assert(file.is_open(), "Unable to open file %s", filename.c_str());
- for (unsigned int i = 0 ; i < this->links_.size() ; i++ ) {
- file << this->links_[i]->downNode->id
- << " -- "
- << this->links_[i]->upNode->id
- << ";\n";
- }
- file << "}";
- file.close();
+ file << "graph AsClusterFatTree {\n";
+ for (unsigned int i = 0 ; i < this->nodes_.size() ; i++) {
+ file << this->nodes_[i]->id;
+ if(this->nodes_[i]->id < 0)
+ file << " [shape=circle];\n";
+ else
+ file << " [shape=hexagon];\n";
}
- else {
- XBT_DEBUG("Unable to open file %s", filename.c_str());
- return;
+
+ for (unsigned int i = 0 ; i < this->links_.size() ; i++ ) {
+ file << this->links_[i]->downNode->id
+ << " -- "
+ << this->links_[i]->upNode->id
+ << ";\n";
}
+ file << "}";
+ file.close();
}
FatTreeNode::FatTreeNode(sg_platf_cluster_cbarg_t cluster, int id, int level,
