From 69f2911e04ffb1b19eef1fafb8c040af271f656e Mon Sep 17 00:00:00 2001
From: Tor Aamodt <aamodt@ece.ubc.ca>
Date: Thu, 15 Jul 2010 18:09:46 -0800
Subject: creating branch for adding support for CUDA 3.x and Fermi

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 6829]
---
 src/intersim/network.cpp | 156 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 156 insertions(+)
 create mode 100644 src/intersim/network.cpp

(limited to 'src/intersim/network.cpp')

diff --git a/src/intersim/network.cpp b/src/intersim/network.cpp
new file mode 100644
index 0000000..48c07b4
--- /dev/null
+++ b/src/intersim/network.cpp
@@ -0,0 +1,156 @@
+#include "booksim.hpp"
+#include "interconnect_interface.h"
+#include <assert.h>
+
+#include "network.hpp"
+
+int gK = 0;
+int gN = 0;
+int gNodes = 0;
+
+Network::Network( const Configuration &config ) :
+Module( 0, "network" )
+{
+   _size     = -1; 
+   _sources  = -1; 
+   _dests    = -1;
+   _channels = -1;
+}
+
+Network::~Network( )
+{
+   for ( int r = 0; r < _size; ++r ) {
+      delete _routers[r];
+   }
+
+   delete [] _routers;
+
+   delete [] _inject;
+   delete [] _eject;
+   delete [] _chan;
+
+   delete [] _chan_use;
+
+   delete [] _inject_cred;
+   delete [] _eject_cred;
+   delete [] _chan_cred;
+}
+
+void Network::_Alloc( )
+{
+   assert( ( _size != -1 ) && 
+           ( _sources != -1 ) && 
+           ( _dests != -1 ) && 
+           ( _channels != -1 ) );
+
+   _routers = new Router * [_size];
+   gNodes = _sources;
+
+   _inject = new Flit * [_sources];
+   _eject  = new Flit * [_dests];
+   _chan   = new Flit * [_channels];
+
+   _chan_use = new int [_channels];
+
+   for ( int i = 0; i < _channels; ++i ) {
+      _chan_use[i] = 0;
+   }
+
+   _chan_use_cycles = 0;
+
+   _inject_cred = new Credit * [_sources];
+   _eject_cred  = new Credit * [_dests];
+   _chan_cred   = new Credit * [_channels];
+}
+
+int Network::NumSources( ) const
+{
+   return _sources;
+}
+
+int Network::NumDests( ) const
+{
+   return _dests;
+}
+
+void Network::ReadInputs( )
+{
+   for ( int r = 0; r < _size; ++r ) {
+      _routers[r]->ReadInputs( );
+   }
+}
+
+void Network::InternalStep( )
+{
+   for ( int r = 0; r < _size; ++r ) {
+      _routers[r]->InternalStep( );
+   }
+}
+
+void Network::WriteOutputs( )
+{
+   for ( int r = 0; r < _size; ++r ) {
+      _routers[r]->WriteOutputs( );
+   }
+
+   for ( int c = 0; c < _channels; ++c ) {
+      if ( _chan[c] ) {
+         _chan_use[c]++;
+      }
+   }
+   _chan_use_cycles++;
+}
+
+void Network::WriteFlit( Flit *f, int source )
+{
+   assert( ( source >= 0 ) && ( source < _sources ) );
+   _inject[source] = f;
+}
+
+Flit *Network::ReadFlit( int dest )
+{
+   assert( ( dest >= 0 ) && ( dest < _dests ) );
+   return _eject[dest];
+}
+
+void Network::WriteCredit( Credit *c, int dest )
+{
+   assert( ( dest >= 0 ) && ( dest < _dests ) );
+   _eject_cred[dest] = c;
+}
+
+Credit *Network::ReadCredit( int source )
+{
+   assert( ( source >= 0 ) && ( source < _sources ) );
+   return _inject_cred[source];
+}
+
+void Network::InsertRandomFaults( const Configuration &config )
+{
+   Error( "InsertRandomFaults not implemented for this topology!" );
+}
+
+void Network::OutChannelFault( int r, int c, bool fault )
+{
+   assert( ( r >= 0 ) && ( r < _size ) );
+   _routers[r]->OutChannelFault( c, fault );
+}
+
+double Network::Capacity( ) const
+{
+   return 1.0;
+}
+
+void Network::Display( ) const
+{
+   for ( int r = 0; r < _size; ++r ) {
+      _routers[r]->Display( );
+   }
+//  if (icnt_config.GetInt("blah") ) {
+   for ( int c = 0; c < _channels; ++c ) {
+      cout << "channel " << c << " used " 
+      << 100.0 * (double)_chan_use[c] / (double)_chan_use_cycles 
+      << "% of the time" << endl;
+   }
+   // }
+}
-- 
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