XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_cluster_dragonfly, surf_route_cluster, "Dragonfly Routing part of surf");
-
-
namespace simgrid {
namespace routing {
}
AsClusterDragonfly::~AsClusterDragonfly() {
-
- if(this->routers_!=nullptr){
- unsigned int i;
- for (i=0; i<this->numGroups_*this->numChassisPerGroup_*this->numBladesPerChassis_;i++)
+ if(this->routers_ != nullptr){
+ for (unsigned int i=0; i<this->numGroups_*this->numChassisPerGroup_*this->numBladesPerChassis_;i++)
delete(routers_[i]);
xbt_free(routers_);
}
unsigned int *AsClusterDragonfly::rankId_to_coords(int rankId)
{
-
//coords : group, chassis, blade, node
unsigned int *coords = (unsigned int *) malloc(4 * sizeof(unsigned int));
coords[0] = rankId/ (numChassisPerGroup_*numBladesPerChassis_*numNodesPerBlade_);
rankId=rankId%(numBladesPerChassis_*numNodesPerBlade_);
coords[2] = rankId/ numNodesPerBlade_;
coords[3]=rankId%numNodesPerBlade_;
-
+
return coords;
}
this->generateLinks();
}
-DragonflyRouter::DragonflyRouter(int group, int chassis, int blade){
- this->group_=group;
- this->chassis_=chassis;
- this->blade_=blade;
-}
+DragonflyRouter::DragonflyRouter(int group, int chassis, int blade):group_(group),chassis_(chassis),blade_(blade){ }
DragonflyRouter::~DragonflyRouter(){
if(this->myNodes_!=nullptr)
void AsClusterDragonfly::generateRouters() {
+ this->routers_=static_cast<DragonflyRouter**>(xbt_malloc0(this->numGroups_*this->numChassisPerGroup_*this->numBladesPerChassis_*sizeof(DragonflyRouter*)));
-unsigned int i, j, k;
-
-this->routers_=(DragonflyRouter**)xbt_malloc0(this->numGroups_*this->numChassisPerGroup_*this->numBladesPerChassis_*sizeof(DragonflyRouter*));
-
-for(i=0;i<this->numGroups_;i++){
- for(j=0;j<this->numChassisPerGroup_;j++){
- for(k=0;k<this->numBladesPerChassis_;k++){
- DragonflyRouter* router = new DragonflyRouter(i,j,k);
- this->routers_[i*this->numChassisPerGroup_*this->numBladesPerChassis_+j*this->numBladesPerChassis_+k]=router;
+ for(unsigned int i=0;i<this->numGroups_;i++){
+ for(unsigned int j=0;j<this->numChassisPerGroup_;j++){
+ for(unsigned int k=0;k<this->numBladesPerChassis_;k++){
+ DragonflyRouter* router = new DragonflyRouter(i,j,k);
+ this->routers_[i*this->numChassisPerGroup_*this->numBladesPerChassis_+j*this->numBladesPerChassis_+k]=router;
+ }
}
}
}
-}
-
-
void AsClusterDragonfly::createLink(char* id, int numlinks, Link** linkup, Link** linkdown){
*linkup=nullptr;
*linkdown=nullptr;
void AsClusterDragonfly::generateLinks() {
- unsigned int i, j, k, l;
static int uniqueId = 0;
char* id = nullptr;
- Link* linkup, *linkdown;
+ Link* linkup;
+ Link *linkdown;
unsigned int numRouters = this->numGroups_*this->numChassisPerGroup_*this->numBladesPerChassis_;
if (this->cluster_->sharing_policy == SURF_LINK_FULLDUPLEX)
numLinksperLink_=2;
-
//Links from routers to their local nodes.
- for(i=0; i<numRouters;i++){
+ for(unsigned int i=0; i<numRouters;i++){
//allocate structures
- this->routers_[i]->myNodes_=(Link**)xbt_malloc0(numLinksperLink_*this->numNodesPerBlade_*sizeof(Link*));
- this->routers_[i]->greenLinks_=(Link**)xbt_malloc0(this->numBladesPerChassis_*sizeof(Link*));
- this->routers_[i]->blackLinks_=(Link**)xbt_malloc0(this->numChassisPerGroup_*sizeof(Link*));
+ this->routers_[i]->myNodes_=static_cast<Link**>(xbt_malloc0(numLinksperLink_*this->numNodesPerBlade_*sizeof(Link*)));
+ this->routers_[i]->greenLinks_=static_cast<Link**>(xbt_malloc0(this->numBladesPerChassis_*sizeof(Link*)));
+ this->routers_[i]->blackLinks_=static_cast<Link**>(xbt_malloc0(this->numChassisPerGroup_*sizeof(Link*)));
- for(j=0; j< numLinksperLink_*this->numNodesPerBlade_; j+=numLinksperLink_){
+ for(unsigned int j=0; j< numLinksperLink_*this->numNodesPerBlade_; j+=numLinksperLink_){
id = bprintf("local_link_from_router_%d_to_node_%d_%d", i, j/numLinksperLink_, uniqueId);
this->createLink(id, 1, &linkup, &linkdown);
if (this->cluster_->sharing_policy == SURF_LINK_FULLDUPLEX) {
}
//Green links from routers to same chassis routers - alltoall
- for(i=0; i<this->numGroups_*this->numChassisPerGroup_;i++){
- for(j=0; j<this->numBladesPerChassis_;j++){
- for(k=j+1;k<this->numBladesPerChassis_;k++){
+ for(unsigned int i=0; i<this->numGroups_*this->numChassisPerGroup_;i++){
+ for(unsigned int j=0; j<this->numBladesPerChassis_;j++){
+ for(unsigned int k=j+1;k<this->numBladesPerChassis_;k++){
id = bprintf("green_link_in_chassis_%d_between_routers_%d_and_%d_%d", i%numChassisPerGroup_, j, k, uniqueId);
this->createLink(id, this->numLinksGreen_, &linkup, &linkdown);
this->routers_[i*numBladesPerChassis_+j]->greenLinks_[k] = linkup;
}
//Black links from routers to same group routers - alltoall
- for(i=0; i<this->numGroups_;i++){
- for(j=0; j<this->numChassisPerGroup_;j++){
- for(k=j+1;k<this->numChassisPerGroup_;k++){
- for(l=0;l<this->numBladesPerChassis_;l++){
+ for(unsigned int i=0; i<this->numGroups_;i++){
+ for(unsigned int j=0; j<this->numChassisPerGroup_;j++){
+ for(unsigned int k=j+1;k<this->numChassisPerGroup_;k++){
+ for(unsigned int l=0;l<this->numBladesPerChassis_;l++){
id = bprintf("black_link_in_group_%d_between_chassis_%d_and_%d_blade_%d_%d", i, j, k,l, uniqueId);
this->createLink(id, this->numLinksBlack_,&linkup, &linkdown);
this->routers_[i*numBladesPerChassis_*numChassisPerGroup_+j*numBladesPerChassis_+l]->blackLinks_[k] = linkup;
}
- //Blue links betweeen groups - Not all routers involved, only one per group is linked to others. Let's say router n of each group is linked to group n.
+ //Blue links between groups - Not all routers involved, only one per group is linked to others. Let's say router n of each group is linked to group n.
//FIXME: in reality blue links may be attached to several different routers
- for(i=0; i<this->numGroups_;i++){
- for(j=i+1; j<this->numGroups_;j++){
+ for(unsigned int i=0; i<this->numGroups_;i++){
+ for(unsigned int j=i+1; j<this->numGroups_;j++){
unsigned int routernumi=i*numBladesPerChassis_*numChassisPerGroup_+j;
unsigned int routernumj=j*numBladesPerChassis_*numChassisPerGroup_+i;
- this->routers_[routernumi]->blueLinks_=(Link**)xbt_malloc0(sizeof(Link*));
- this->routers_[routernumj]->blueLinks_=(Link**)xbt_malloc0(sizeof(Link*));
+ this->routers_[routernumi]->blueLinks_=static_cast<Link**>(xbt_malloc0(sizeof(Link*)));
+ this->routers_[routernumj]->blueLinks_=static_cast<Link**>(xbt_malloc0(sizeof(Link*)));
id = bprintf("blue_link_between_group_%d_and_%d_routers_%d_and_%d_%d", i, j, routernumi,routernumj, uniqueId);
this->createLink(id, this->numLinksBlue_, &linkup, &linkdown);
this->routers_[routernumi]->blueLinks_[0] = linkup;
}
}
-
void AsClusterDragonfly::getRouteAndLatency(NetCard * src, NetCard * dst, sg_platf_route_cbarg_t route, double *latency) {
-
//Minimal routing version.
// TODO : non-minimal random one, and adaptive ?
if (dst->isRouter() || src->isRouter())
return;
- XBT_VERB("dragonfly_get_route_and_latency from '%s'[%d] to '%s'[%d]",
- src->name(), src->id(), dst->name(), dst->id());
+ XBT_VERB("dragonfly_get_route_and_latency from '%s'[%d] to '%s'[%d]", src->name(), src->id(), dst->name(), dst->id());
if ((src->id() == dst->id()) && hasLoopback_) {
s_surf_parsing_link_up_down_t info = xbt_dynar_get_as(privateLinks_, src->id() * linkCountPerNode_, s_surf_parsing_link_up_down_t);
return;
}
- unsigned int *myCoords, *targetCoords;
- myCoords = rankId_to_coords(src->id());
- targetCoords = rankId_to_coords(dst->id());
+ unsigned int *myCoords = rankId_to_coords(src->id());
+ unsigned int *targetCoords = rankId_to_coords(dst->id());
XBT_DEBUG("src : %u group, %u chassis, %u blade, %u node", myCoords[0], myCoords[1], myCoords[2], myCoords[3]);
XBT_DEBUG("dst : %u group, %u chassis, %u blade, %u node", targetCoords[0], targetCoords[1], targetCoords[2], targetCoords[3]);