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coriolis/katabatic/src/LayerAssign.cpp

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* ./hurricane/src/hviewer, ./coriolis/src/crlcore, ./coriolis/src/knik, ./coriolis/src/katabatic, ./coriolis/src/kite, ./coriolis/src/equinox, ./coriolis/src/solstice, ./coriolis/src/ispd: - SVN MOVE: Source tree simplification & uniformisation. Now all tools are at the same level, directly under the root of the repository. No more "coriolis/src".
2010-03-09 09:24:29 -06:00
// -*- C++ -*-
//
// This file is part of the Coriolis Software.
// Copyright (c) UPMC/LIP6 2008-2009, All Rights Reserved
//
// ===================================================================
//
// $Id$
//
// x-----------------------------------------------------------------x
// | |
// | C O R I O L I S |
// | K a t a b a t i c - Routing Toolbox |
// | |
// | Author : Jean-Paul CHAPUT |
// | E-mail : Jean-Paul.Chaput@asim.lip6.fr |
// | =============================================================== |
// | C++ Module : "./LayerAssign.cpp" |
// | *************************************************************** |
// | U p d a t e s |
// | |
// x-----------------------------------------------------------------x
#include <cstdlib>
#include <sstream>
#include "hurricane/Bug.h"
#include "hurricane/Warning.h"
#include "hurricane/DebugSession.h"
#include "hurricane/Net.h"
#include "hurricane/NetExternalComponents.h"
#include "hurricane/Layer.h"
#include "hurricane/RoutingPad.h"
#include "hurricane/Pad.h"
#include "hurricane/Plug.h"
#include "hurricane/Instance.h"
#include "hurricane/Vertical.h"
#include "hurricane/Horizontal.h"
#include "crlcore/RoutingGauge.h"
#include "katabatic/AutoContact.h"
#include "katabatic/AutoSegment.h"
#include "katabatic/GCellGrid.h"
#include "katabatic/KatabaticEngine.h"
namespace Katabatic {
using Hurricane::DebugSession;
using Hurricane::ltracein;
using Hurricane::ltraceout;
using Hurricane::ForEachIterator;
using Hurricane::Warning;
void KatabaticEngine::_splitContactsOfNet ( Net* net )
{
DebugSession::open ( net, 90 );
ltrace(100) << "Katabatic::_splitContactsOfNet ( " << net << " )" << endl;
ltracein(99);
Session::invalidate ( net );
set<AutoContact*> globalContacts;
forEach ( Segment*, isegment, net->getSegments() ) {
if ( ( (*isegment)->getLayer() == Session::getRoutingLayer(3) )
|| ( (*isegment)->getLayer() == Session::getRoutingLayer(4) ) ) {
AutoContact* contact = Session::lookup ( dynamic_cast<Contact*>((*isegment)->getSource()) );
if ( contact ) globalContacts.insert ( contact );
contact = Session::lookup ( dynamic_cast<Contact*>((*isegment)->getTarget()) );
if ( contact ) globalContacts.insert ( contact );
}
}
set<AutoContact*>::iterator it = globalContacts.begin();
for ( ; it != globalContacts.end() ; it++ ) {
(*it)->split ();
}
ltraceout(99);
DebugSession::close ();
}
* ./katabatic : - Change: Uses a map instead of a sorted vector in the layer assignment steps. It was used to order GCells by density, and causing terrific slowdown on big examples. Namely the eFPGA 16x16 took 1h20, now it's down to 21 seconds... Devellop a new object <DyKeyQueue> to handle map with elements whose key *can* change. Next step is to normalize the key caching mechanism and to templatize. - Change: In LayerAssign, account the number of globals AutoSegments moved up.
2010-03-23 04:25:15 -05:00
void KatabaticEngine::_desaturate ( unsigned int depth
, set<Net*>& globalNets
, unsigned long& total
, unsigned long& globals )
* ./hurricane/src/hviewer, ./coriolis/src/crlcore, ./coriolis/src/knik, ./coriolis/src/katabatic, ./coriolis/src/kite, ./coriolis/src/equinox, ./coriolis/src/solstice, ./coriolis/src/ispd: - SVN MOVE: Source tree simplification & uniformisation. Now all tools are at the same level, directly under the root of the repository. No more "coriolis/src".
2010-03-09 09:24:29 -06:00
{
* ./katabatic: - New: Adds support to restrict the number of routing layers.
2010-05-27 11:12:28 -05:00
if ( depth+2 >= Session::getConfiguration()->getAllowedDepth() ) {
* ./hurricane/src/hviewer, ./coriolis/src/crlcore, ./coriolis/src/knik, ./coriolis/src/katabatic, ./coriolis/src/kite, ./coriolis/src/equinox, ./coriolis/src/solstice, ./coriolis/src/ispd: - SVN MOVE: Source tree simplification & uniformisation. Now all tools are at the same level, directly under the root of the repository. No more "coriolis/src".
2010-03-09 09:24:29 -06:00
cerr << Warning("Katabatic::_desaturate(): %s, no remaining upper layers."
,getString(Session::getRoutingGauge()->getRoutingLayer(depth)->getName()).c_str()
) << endl;
return;
}
cmess1 << " o Desaturate layer "
<< Session::getRoutingGauge()->getRoutingLayer(depth)->getName() << endl;
* ./katabatic : - Change: Uses a map instead of a sorted vector in the layer assignment steps. It was used to order GCells by density, and causing terrific slowdown on big examples. Namely the eFPGA 16x16 took 1h20, now it's down to 21 seconds... Devellop a new object <DyKeyQueue> to handle map with elements whose key *can* change. Next step is to normalize the key caching mechanism and to templatize. - Change: In LayerAssign, account the number of globals AutoSegments moved up.
2010-03-23 04:25:15 -05:00
//vector<GCell*> gcells = *(_gcellGrid->getGCellVector());
DyKeyQueue queue ( depth, *(_gcellGrid->getGCellVector()) );
vector<GCell*> invalidateds;
* ./hurricane/src/hviewer, ./coriolis/src/crlcore, ./coriolis/src/knik, ./coriolis/src/katabatic, ./coriolis/src/kite, ./coriolis/src/equinox, ./coriolis/src/solstice, ./coriolis/src/ispd: - SVN MOVE: Source tree simplification & uniformisation. Now all tools are at the same level, directly under the root of the repository. No more "coriolis/src".
2010-03-09 09:24:29 -06:00
bool optimized = true;
while ( optimized ) {
* ./katabatic: - Change: In GCell & GCellGrid, unificated way of computing all the GCell's densities. - Change: In GCell::stepDesaturate(), uses shearUp() instead of moveUp(). - Change: In AutoSegment, new method ::shearUp() to avoid moveUp() saturating GCells as side-effect.
2010-12-12 15:43:25 -06:00
Session::revalidate ();
* ./hurricane/src/hviewer, ./coriolis/src/crlcore, ./coriolis/src/knik, ./coriolis/src/katabatic, ./coriolis/src/kite, ./coriolis/src/equinox, ./coriolis/src/solstice, ./coriolis/src/ispd: - SVN MOVE: Source tree simplification & uniformisation. Now all tools are at the same level, directly under the root of the repository. No more "coriolis/src".
2010-03-09 09:24:29 -06:00
optimized = false;
* ./katabatic : - Change: Uses a map instead of a sorted vector in the layer assignment steps. It was used to order GCells by density, and causing terrific slowdown on big examples. Namely the eFPGA 16x16 took 1h20, now it's down to 21 seconds... Devellop a new object <DyKeyQueue> to handle map with elements whose key *can* change. Next step is to normalize the key caching mechanism and to templatize. - Change: In LayerAssign, account the number of globals AutoSegments moved up.
2010-03-23 04:25:15 -05:00
//sort ( gcells.begin(), gcells.end(), GCell::CompareByDensity(depth) );
queue.revalidate ();
std::set<GCell*,GCell::CompareByKey>::const_iterator igcell = queue.getGCells().begin();
size_t i = 0;
for ( ; igcell!=queue.getGCells().end() ; ++igcell, ++i ) {
if ( not (*igcell)->isSaturated ( depth ) ) {
ltrace(190) << "STOP desaturated: @" << i << " " << *igcell << endl;
for ( ; igcell!=queue.getGCells().end() ; ++igcell ) {
if ( (*igcell)->isSaturated ( depth ) ) {
cerr << "[ERROR] Still saturated: @" << i << " " << *igcell << endl;
break;
}
}
break;
}
* ./katabatic: - Bug: In KatabaticEnginge::_desaturate() (part of LayerAssign), reset the moved up Segment pointer between iterations. Suppress the warning about the GCell's DyKeyQueue beeing not revalidated on deletion. - Change: In LoadGrByNet, manage the 4G+3L1 configuration with the generic _GCell_xG_xL1_xL3(). Needed for "dct_lvl2".
2010-05-03 04:16:28 -05:00
ltrace(190) << "step desaturate: @ " << i << " " << *igcell << endl;
* ./katabatic : - Change: Uses a map instead of a sorted vector in the layer assignment steps. It was used to order GCells by density, and causing terrific slowdown on big examples. Namely the eFPGA 16x16 took 1h20, now it's down to 21 seconds... Devellop a new object <DyKeyQueue> to handle map with elements whose key *can* change. Next step is to normalize the key caching mechanism and to templatize. - Change: In LayerAssign, account the number of globals AutoSegments moved up.
2010-03-23 04:25:15 -05:00
* ./katabatic: - Bug: In KatabaticEnginge::_desaturate() (part of LayerAssign), reset the moved up Segment pointer between iterations. Suppress the warning about the GCell's DyKeyQueue beeing not revalidated on deletion. - Change: In LoadGrByNet, manage the 4G+3L1 configuration with the generic _GCell_xG_xL1_xL3(). Needed for "dct_lvl2".
2010-05-03 04:16:28 -05:00
AutoSegment* segment = NULL;
* ./katabatic : - Change: Uses a map instead of a sorted vector in the layer assignment steps. It was used to order GCells by density, and causing terrific slowdown on big examples. Namely the eFPGA 16x16 took 1h20, now it's down to 21 seconds... Devellop a new object <DyKeyQueue> to handle map with elements whose key *can* change. Next step is to normalize the key caching mechanism and to templatize. - Change: In LayerAssign, account the number of globals AutoSegments moved up.
2010-03-23 04:25:15 -05:00
optimized = (*igcell)->stepDesaturate ( depth, globalNets, segment );
if ( segment ) {
++total; ++globals;
segment->getGCells ( invalidateds );
for ( size_t j=0 ; j<invalidateds.size() ; j++ ) {
queue.invalidate ( invalidateds[j] );
}
}
* ./hurricane/src/hviewer, ./coriolis/src/crlcore, ./coriolis/src/knik, ./coriolis/src/katabatic, ./coriolis/src/kite, ./coriolis/src/equinox, ./coriolis/src/solstice, ./coriolis/src/ispd: - SVN MOVE: Source tree simplification & uniformisation. Now all tools are at the same level, directly under the root of the repository. No more "coriolis/src".
2010-03-09 09:24:29 -06:00
if ( optimized ) break;
}
}
}
void KatabaticEngine::_layerAssignByLength ( Net* net, unsigned long& total, unsigned long& global, set<Net*>& globalNets )
{
DebugSession::open ( net, 90 );
ltrace(100) << "Katabatic::_layerAssignByLength ( " << net << " )" << endl;
ltracein(99);
bool isGlobal = false;
set<AutoContact*> globalContacts;
forEach ( Segment*, isegment, net->getSegments() ) {
total++;
if ( (*isegment)->getLength() > getGlobalThreshold() ) {
if ( !isGlobal ) {
isGlobal = true;
globalNets.insert ( net );
//cmess2 << " - " << getString(net) << endl;
}
global++;
if ( (*isegment)->getLayer() == Session::getRoutingLayer(1) ) (*isegment)->setLayer ( Session::getRoutingLayer(3) );
if ( (*isegment)->getLayer() == Session::getRoutingLayer(2) ) (*isegment)->setLayer ( Session::getRoutingLayer(4) );
}
}
ltraceout(99);
DebugSession::close ();
}
void KatabaticEngine::_layerAssignByLength ( unsigned long& total, unsigned long& global, set<Net*>& globalNets )
{
cmess1 << " o Assign Layer (simple wirelength)." << endl;
* ./katabatic: - Change: In KatabaticEngine, the containers used to store the "nets to route" is changed from a vector<> to a set<> sorted by the Nets names. Uses more memory but allows much faster Net deletion. - New: In _loadNetGlobalRouting(Net*), detect non-routed Nets. A Net is considered as unrouted if it's 10 first RoutingPads have no slave Segment. The Net is withdrawn from the set of Nets to route. - Bug: In GCellConfiguration::_GCell_1G_1L1(), correctly compute the access flag passed to _GCell_rp_Access(). - Change: In AutoContact::restrictConstraintBox() adds "warnOnError" parameter to shut down warnings. - New: KatabaticEngine::_computeNetConstraints() now also returns a set<> of segments on which constraints are incompatibles. All the NetConstraints related functions are modificateds accordingly. - Change: In KatabaticEngine::_loadNetGlobalRouting(), create dogleg on overconstrained Segments computed by a call to _computeNetConstraints(). Overconstraineds Segments can occurs when a global is directly connecting two punctual RoutingPads (see "ieee_division"). As a side effect, and to avoid looping each Net is revalidated *before* making any dogleg. So Nets are revalidated one by one instead of alltogether. - Change: In AutoSegment::_toConstraintAxis(), do nothing if constraint interval is empty.
2010-05-11 06:04:23 -05:00
NetSet::iterator inet = _routingNets.begin();
for ( ; inet != _routingNets.end() ; ++inet )
_layerAssignByLength ( *inet, total, global, globalNets );
* ./hurricane/src/hviewer, ./coriolis/src/crlcore, ./coriolis/src/knik, ./coriolis/src/katabatic, ./coriolis/src/kite, ./coriolis/src/equinox, ./coriolis/src/solstice, ./coriolis/src/ispd: - SVN MOVE: Source tree simplification & uniformisation. Now all tools are at the same level, directly under the root of the repository. No more "coriolis/src".
2010-03-09 09:24:29 -06:00
}
void KatabaticEngine::_layerAssignByTrunk ( Net* net, unsigned long& total, unsigned long& global, set<Net*>& globalNets )
{
DebugSession::open ( net, 90 );
ltrace(100) << "Katabatic::_layerAssignByTrunk ( " << net << " )" << endl;
ltracein(99);
bool isGlobal = false;
unsigned long netGlobal = 0;
unsigned long netTotal = 0;
set<AutoContact*> globalContacts;
forEach ( Segment*, isegment, net->getSegments() ) {
netTotal++;
if ( (*isegment)->getLength() > getGlobalThreshold() ) {
isGlobal = true;
netTotal = 0;
globalNets.insert ( net );
break;
}
}
if ( isGlobal ) {
//cmess2 << " - " << getString(net) << endl;
forEach ( Segment*, isegment, net->getSegments() ) {
netTotal++;
AutoSegment* autoSegment = Session::lookup ( *isegment );
if ( autoSegment && !autoSegment->isTerminal() ) {
netGlobal++;
ltrace(99) << "Migrate to M4/M5: " << autoSegment << endl;
if ( autoSegment->isHorizontal() ) autoSegment->setLayer ( Session::getRoutingLayer(3) );
if ( autoSegment->isVertical () ) autoSegment->setLayer ( Session::getRoutingLayer(4) );
}
}
}
total += netTotal;
global += netGlobal;
ltraceout(99);
DebugSession::close ();
}
void KatabaticEngine::_layerAssignByTrunk ( unsigned long& total, unsigned long& global, set<Net*>& globalNets )
{
cmess1 << " o Assign Layer (whole net trunk)." << endl;
* ./katabatic: - Change: In KatabaticEngine, the containers used to store the "nets to route" is changed from a vector<> to a set<> sorted by the Nets names. Uses more memory but allows much faster Net deletion. - New: In _loadNetGlobalRouting(Net*), detect non-routed Nets. A Net is considered as unrouted if it's 10 first RoutingPads have no slave Segment. The Net is withdrawn from the set of Nets to route. - Bug: In GCellConfiguration::_GCell_1G_1L1(), correctly compute the access flag passed to _GCell_rp_Access(). - Change: In AutoContact::restrictConstraintBox() adds "warnOnError" parameter to shut down warnings. - New: KatabaticEngine::_computeNetConstraints() now also returns a set<> of segments on which constraints are incompatibles. All the NetConstraints related functions are modificateds accordingly. - Change: In KatabaticEngine::_loadNetGlobalRouting(), create dogleg on overconstrained Segments computed by a call to _computeNetConstraints(). Overconstraineds Segments can occurs when a global is directly connecting two punctual RoutingPads (see "ieee_division"). As a side effect, and to avoid looping each Net is revalidated *before* making any dogleg. So Nets are revalidated one by one instead of alltogether. - Change: In AutoSegment::_toConstraintAxis(), do nothing if constraint interval is empty.
2010-05-11 06:04:23 -05:00
NetSet::iterator inet = _routingNets.begin();
for ( ; inet != _routingNets.end() ; ++inet )
_layerAssignByTrunk ( *inet, total, global, globalNets );
* ./hurricane/src/hviewer, ./coriolis/src/crlcore, ./coriolis/src/knik, ./coriolis/src/katabatic, ./coriolis/src/kite, ./coriolis/src/equinox, ./coriolis/src/solstice, ./coriolis/src/ispd: - SVN MOVE: Source tree simplification & uniformisation. Now all tools are at the same level, directly under the root of the repository. No more "coriolis/src".
2010-03-09 09:24:29 -06:00
}
void KatabaticEngine::layerAssign ( unsigned int method )
{
set<Net*> globalNets;
unsigned long total = 0;
unsigned long global = 0;
startMeasures ();
Session::open ( this );
switch ( method ) {
case LayerAssignByLength: _layerAssignByLength(total,global,globalNets); break;
* ./katabatic: - New: In GCell & LayerAssign, adds a supplemental desaturation steps when a GCell containts too many (more than 7) RoutingPads in M1. This is especially useful for the eFPGA matrix with it's custom made cells.
2010-04-12 06:22:11 -05:00
case LayerAssignByTrunk: _layerAssignByTrunk (total,global,globalNets); break;
* ./hurricane/src/hviewer, ./coriolis/src/crlcore, ./coriolis/src/knik, ./coriolis/src/katabatic, ./coriolis/src/kite, ./coriolis/src/equinox, ./coriolis/src/solstice, ./coriolis/src/ispd: - SVN MOVE: Source tree simplification & uniformisation. Now all tools are at the same level, directly under the root of the repository. No more "coriolis/src".
2010-03-09 09:24:29 -06:00
case NoNetLayerAssign: break;
default:
stopMeasures ();
Session::close ();
throw Error ( badMethod
, "Katabatic::layerAssign()"
, method
, getString(_cell).c_str()
);
}
set<Net*>::iterator inet = globalNets.begin();
for ( ; inet != globalNets.end() ; inet++ )
_splitContactsOfNet ( *inet );
globalNets.clear ();
Session::revalidate ();
* ./katabatic: - Change: In LayerAssign, desaturate until the last two top layers are reacheds instead of only METAL2 & METAL3. - Change: In Configuration/GCellGrid/GCell, correct computation of the edges capacity (based on the numbers of avalaibles layers and not hard-wired to 4).
2010-08-22 07:37:48 -05:00
// Look for RoutingPad overload.
vector<GCell*> gcells = *(_gcellGrid->getGCellVector());
for ( size_t i=0 ; i<gcells.size() ; ++i ) {
gcells[i]->rpDesaturate ( globalNets );
}
* ./hurricane/src/hviewer, ./coriolis/src/crlcore, ./coriolis/src/knik, ./coriolis/src/katabatic, ./coriolis/src/kite, ./coriolis/src/equinox, ./coriolis/src/solstice, ./coriolis/src/ispd: - SVN MOVE: Source tree simplification & uniformisation. Now all tools are at the same level, directly under the root of the repository. No more "coriolis/src".
2010-03-09 09:24:29 -06:00
* ./katabatic: - Change: In LayerAssign, desaturate until the last two top layers are reacheds instead of only METAL2 & METAL3. - Change: In Configuration/GCellGrid/GCell, correct computation of the edges capacity (based on the numbers of avalaibles layers and not hard-wired to 4).
2010-08-22 07:37:48 -05:00
if ( getConfiguration()->getAllowedDepth() > 2) {
for ( int i=0 ; i < 3 ; i++ ) {
for ( size_t depth=1 ; depth < getConfiguration()->getAllowedDepth()-2; ++depth ) {
_desaturate ( depth, globalNets, total, global );
if ( (depth > 1) and ((depth-1)%2 == 1) ) Session::revalidate ();
}
globalNets.clear ();
* ./hurricane/src/hviewer, ./coriolis/src/crlcore, ./coriolis/src/knik, ./coriolis/src/katabatic, ./coriolis/src/kite, ./coriolis/src/equinox, ./coriolis/src/solstice, ./coriolis/src/ispd: - SVN MOVE: Source tree simplification & uniformisation. Now all tools are at the same level, directly under the root of the repository. No more "coriolis/src".
2010-03-09 09:24:29 -06:00
* ./katabatic: - Change: In LayerAssign, desaturate until the last two top layers are reacheds instead of only METAL2 & METAL3. - Change: In Configuration/GCellGrid/GCell, correct computation of the edges capacity (based on the numbers of avalaibles layers and not hard-wired to 4).
2010-08-22 07:37:48 -05:00
if ( not _gcellGrid->updateDensity () ) break;
}
* ./hurricane/src/hviewer, ./coriolis/src/crlcore, ./coriolis/src/knik, ./coriolis/src/katabatic, ./coriolis/src/kite, ./coriolis/src/equinox, ./coriolis/src/solstice, ./coriolis/src/ispd: - SVN MOVE: Source tree simplification & uniformisation. Now all tools are at the same level, directly under the root of the repository. No more "coriolis/src".
2010-03-09 09:24:29 -06:00
Session::revalidate ();
}
//refresh ( false );
#if defined(CHECK_DATABASE)
_check ( "after layer assignment" );
#endif
#if defined(CHECK_DETERMINISM)
* ./katabatic: - Change: In KatabaticEngine, the containers used to store the "nets to route" is changed from a vector<> to a set<> sorted by the Nets names. Uses more memory but allows much faster Net deletion. - New: In _loadNetGlobalRouting(Net*), detect non-routed Nets. A Net is considered as unrouted if it's 10 first RoutingPads have no slave Segment. The Net is withdrawn from the set of Nets to route. - Bug: In GCellConfiguration::_GCell_1G_1L1(), correctly compute the access flag passed to _GCell_rp_Access(). - Change: In AutoContact::restrictConstraintBox() adds "warnOnError" parameter to shut down warnings. - New: KatabaticEngine::_computeNetConstraints() now also returns a set<> of segments on which constraints are incompatibles. All the NetConstraints related functions are modificateds accordingly. - Change: In KatabaticEngine::_loadNetGlobalRouting(), create dogleg on overconstrained Segments computed by a call to _computeNetConstraints(). Overconstraineds Segments can occurs when a global is directly connecting two punctual RoutingPads (see "ieee_division"). As a side effect, and to avoid looping each Net is revalidated *before* making any dogleg. So Nets are revalidated one by one instead of alltogether. - Change: In AutoSegment::_toConstraintAxis(), do nothing if constraint interval is empty.
2010-05-11 06:04:23 -05:00
NetSet::iterator inet = _routingNets.begin();
for ( ; inet != _routingNets.end() ; inet++ )
_print ( *inet );
* ./hurricane/src/hviewer, ./coriolis/src/crlcore, ./coriolis/src/knik, ./coriolis/src/katabatic, ./coriolis/src/kite, ./coriolis/src/equinox, ./coriolis/src/solstice, ./coriolis/src/ispd: - SVN MOVE: Source tree simplification & uniformisation. Now all tools are at the same level, directly under the root of the repository. No more "coriolis/src".
2010-03-09 09:24:29 -06:00
#endif
Session::setWarnGCellOverload ( true );
_gcellGrid->checkDensity ();
Session::close ();
stopMeasures ();
* ./katabatic: - Bug: In GCell, bad cast between <size_t> and <unsigned int>, showed only under 64 bits. - New: In KatabaticEngine::printMeasures(), adds a support for measurments, both time and memory size in Mb are stored for each tag. - New: Adds measurements "Gates", "GCells", "load" & "assign".
2010-04-17 05:14:22 -05:00
printMeasures ( "assign" );
* ./hurricane/src/hviewer, ./coriolis/src/crlcore, ./coriolis/src/knik, ./coriolis/src/katabatic, ./coriolis/src/kite, ./coriolis/src/equinox, ./coriolis/src/solstice, ./coriolis/src/ispd: - SVN MOVE: Source tree simplification & uniformisation. Now all tools are at the same level, directly under the root of the repository. No more "coriolis/src".
2010-03-09 09:24:29 -06:00
cmess2 << " - Total segments : " << total << endl;
cmess2 << " - Global segments : " << global << endl;
cmess2 << " - Ratio : "
<< ((float)global/(float)total)*100.0 << "%." << endl;
}
} // End of Katabatic namespace.