-/* Copyright (c) 2014-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2014-2021. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "src/surf/network_interface.hpp"
#include "src/surf/xml/platf_private.hpp"
-
#include <boost/algorithm/string/classification.hpp>
#include <boost/algorithm/string/split.hpp>
namespace kernel {
namespace routing {
-FatTreeZone::FatTreeZone(NetZoneImpl* father, const std::string& name, resource::NetworkModel* netmodel)
- : ClusterZone(father, name, netmodel)
-{
- XBT_DEBUG("Creating a new fat tree.");
-}
-
FatTreeZone::~FatTreeZone()
{
- for (FatTreeNode const* node : this->nodes_) {
+ for (FatTreeNode const* node : this->nodes_)
delete node;
- }
- for (FatTreeLink const* link : this->links_) {
+ for (FatTreeLink const* link : this->links_)
delete link;
- }
}
bool FatTreeZone::is_in_sub_tree(FatTreeNode* root, FatTreeNode* node) const
dst->get_cname(), dst->id());
/* In case destination is the source, and there is a loopback, let's use it instead of going up to a switch */
- if (source->id == destination->id && this->has_loopback_) {
- into->link_list.push_back(source->loopback);
+ if (source->id == destination->id && has_loopback()) {
+ into->link_list.push_back(source->loopback_);
if (latency)
- *latency += source->loopback->get_latency();
+ *latency += source->loopback_->get_latency();
return;
}
if (latency)
*latency += currentNode->parents[d]->up_link_->get_latency();
- if (this->has_limiter_)
+ if (currentNode->limiter_link_)
into->link_list.push_back(currentNode->limiter_link_);
currentNode = currentNode->parents[d]->up_node_;
}
if (latency)
*latency += currentNode->children[i]->down_link_->get_latency();
currentNode = currentNode->children[i]->down_node_;
- if (this->has_limiter_)
+ if (currentNode->limiter_link_)
into->link_list.push_back(currentNode->limiter_link_);
XBT_DEBUG("%d(%u,%u) is accessible through %d(%u,%u)", destination->id, destination->level,
destination->position, currentNode->id, currentNode->level, currentNode->position);
/* This function makes the assumption that parse_specific_arguments() and
* addNodes() have already been called
*/
-void FatTreeZone::seal()
+void FatTreeZone::do_seal()
{
if (this->levels_ == 0) {
return;
int FatTreeZone::connect_node_to_parents(FatTreeNode* node)
{
- std::vector<FatTreeNode*>::iterator currentParentNode = this->nodes_.begin();
- int connectionsNumber = 0;
- const int level = node->level;
+ auto currentParentNode = this->nodes_.begin();
+ int connectionsNumber = 0;
+ const int level = node->level;
XBT_DEBUG("We are connecting node %d(%u,%u) to his parents.", node->id, node->level, node->position);
currentParentNode += this->get_level_position(level + 1);
for (unsigned int i = 0; i < this->nodes_by_level_[level + 1]; i++) {
int k = 0;
for (unsigned int i = 0; i < this->levels_; i++) {
for (unsigned int j = 0; j < this->nodes_by_level_[i + 1]; j++) {
- FatTreeNode* newNode = new FatTreeNode(this->cluster_, --k, i + 1, j);
+ auto* newNode = new FatTreeNode(--k, i + 1, j, nullptr, nullptr);
XBT_DEBUG("We create the switch %d(%u,%u)", newNode->id, newNode->level, newNode->position);
newNode->children.resize(this->num_children_per_node_[i] * this->num_port_lower_level_[i]);
if (i != this->levels_ - 1) {
return tempPosition;
}
-void FatTreeZone::add_processing_node(int id)
+void FatTreeZone::add_processing_node(int id, resource::LinkImpl* limiter, resource::LinkImpl* loopback)
{
using std::make_pair;
static int position = 0;
- FatTreeNode* newNode;
- newNode = new FatTreeNode(this->cluster_, id, 0, position++);
+ auto* newNode = new FatTreeNode(id, 0, position++, limiter, loopback);
newNode->parents.resize(this->num_parents_per_node_[0] * this->num_port_lower_level_[0]);
newNode->label.resize(this->levels_);
this->compute_nodes_.insert(make_pair(id, newNode));
void FatTreeZone::add_link(FatTreeNode* parent, unsigned int parentPort, FatTreeNode* child, unsigned int childPort)
{
- FatTreeLink* newLink;
- newLink = new FatTreeLink(this->cluster_, child, parent);
+ static int uniqueId = 0;
+ const s4u::Link* linkup;
+ const s4u::Link* linkdown;
+ std::string id =
+ "link_from_" + std::to_string(child->id) + "_" + std::to_string(parent->id) + "_" + std::to_string(uniqueId);
+
+ if (cluster_->sharing_policy == s4u::Link::SharingPolicy::SPLITDUPLEX) {
+ linkup = create_link(id + "_UP", std::vector<double>{cluster_->bw})->set_latency(cluster_->lat)->seal();
+ linkdown = create_link(id + "_DOWN", std::vector<double>{cluster_->bw})->set_latency(cluster_->lat)->seal();
+ } else {
+ linkup = create_link(id, std::vector<double>{cluster_->bw})->set_latency(cluster_->lat)->seal();
+ linkdown = linkup;
+ }
+ uniqueId++;
+
+ auto* newLink = new FatTreeLink(child, parent, linkup->get_impl(), linkdown->get_impl());
XBT_DEBUG("Creating a link between the parent (%u,%u,%u) and the child (%u,%u,%u)", parent->level, parent->position,
parentPort, child->level, child->position, childPort);
parent->children[parentPort] = newLink;
file << "}";
file.close();
}
+} // namespace routing
+} // namespace kernel
-FatTreeNode::FatTreeNode(const ClusterCreationArgs* cluster, int id, int level, int position)
- : id(id), level(level), position(position)
+namespace s4u {
+NetZone* create_fatTree_zone(const std::string& name)
{
- LinkCreationArgs linkTemplate;
- if (cluster->limiter_link) {
- linkTemplate.bandwidths.push_back(cluster->limiter_link);
- linkTemplate.latency = 0;
- linkTemplate.policy = s4u::Link::SharingPolicy::SHARED;
- linkTemplate.id = "limiter_"+std::to_string(id);
- sg_platf_new_link(&linkTemplate);
- this->limiter_link_ = s4u::Link::by_name(linkTemplate.id)->get_impl();
- }
- if (cluster->loopback_bw || cluster->loopback_lat) {
- linkTemplate.bandwidths.push_back(cluster->loopback_bw);
- linkTemplate.latency = cluster->loopback_lat;
- linkTemplate.policy = s4u::Link::SharingPolicy::FATPIPE;
- linkTemplate.id = "loopback_"+ std::to_string(id);
- sg_platf_new_link(&linkTemplate);
- this->loopback = s4u::Link::by_name(linkTemplate.id)->get_impl();
- }
+ return (new kernel::routing::FatTreeZone(name))->get_iface();
}
+} // namespace s4u
-FatTreeLink::FatTreeLink(const ClusterCreationArgs* cluster, FatTreeNode* downNode, FatTreeNode* upNode)
- : up_node_(upNode), down_node_(downNode)
-{
- static int uniqueId = 0;
- LinkCreationArgs linkTemplate;
- linkTemplate.bandwidths.push_back(cluster->bw);
- linkTemplate.latency = cluster->lat;
- linkTemplate.policy = cluster->sharing_policy; // sthg to do with that ?
- linkTemplate.id =
- "link_from_" + std::to_string(downNode->id) + "_" + std::to_string(upNode->id) + "_" + std::to_string(uniqueId);
- sg_platf_new_link(&linkTemplate);
-
- if (cluster->sharing_policy == s4u::Link::SharingPolicy::SPLITDUPLEX) {
- this->up_link_ = s4u::Link::by_name(linkTemplate.id + "_UP")->get_impl(); // check link?
- this->down_link_ = s4u::Link::by_name(linkTemplate.id + "_DOWN")->get_impl(); // check link ?
- } else {
- this->up_link_ = s4u::Link::by_name(linkTemplate.id)->get_impl();
- this->down_link_ = this->up_link_;
- }
- uniqueId++;
-}
-} // namespace routing
-} // namespace kernel
} // namespace simgrid