Delete Intersim

Code Review Issue: 113001

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 17414]

1 files changed, 0 insertions, 185 deletions

diff --git a/src/intersim/islip.cpp b/src/intersim/islip.cpp
deleted file mode 100644
index 1aafacc..0000000
--- a/src/intersim/islip.cpp
+++ /dev/null
@@ -1,185 +0,0 @@
-#include "booksim.hpp"

-#include <iostream>

-

-#include "islip.hpp"

-#include "random_utils.hpp"

-

-//#define DEBUG_ISLIP

-

-iSLIP_Sparse::iSLIP_Sparse( const Configuration &config,

-                            Module *parent, const string& name,

-                            int inputs, int outputs ) :

-SparseAllocator( config, parent, name, inputs, outputs )

-{

-   _iSLIP_iter = config.GetInt( "alloc_iters" );

-

-   _grants = new int [_outputs];

-   _gptrs  = new int [_outputs];

-   _aptrs  = new int [_inputs];

-

-   for ( int i = 0; i < _inputs; ++i ) {

-      _aptrs[i] = 0;

-   }

-   for ( int j = 0; j < _outputs; ++j ) {

-      _gptrs[j] = 0;

-   }

-}

-

-iSLIP_Sparse::~iSLIP_Sparse( )

-{

-   delete [] _grants;

-   delete [] _gptrs;

-   delete [] _aptrs;

-}

-

-void iSLIP_Sparse::Allocate( )

-{

-   int input;

-   int output;

-

-   int input_offset;

-   int output_offset;

-

-   list<sRequest>::iterator p;

-   bool wrapped;

-

-   _ClearMatching( );

-

-   for ( int iter = 0; iter < _iSLIP_iter; ++iter ) {

-      // Grant phase

-

-      for ( output = 0; output < _outputs; ++output ) {

-         _grants[output] = -1;

-

-         // Skip loop if there are no requests

-         // or the output is already matched

-         if ( ( _out_req[output].empty( ) ) ||

-              ( _outmatch[output] != -1 ) ) {

-            continue;

-         }

-

-         // A round-robin arbiter between input requests

-         input_offset = _gptrs[output];

-

-         p = _out_req[output].begin( );

-         while ( ( p != _out_req[output].end( ) ) &&

-                 ( p->port < input_offset ) ) {

-            p++;

-         }

-

-         wrapped = false;

-         while ( (!wrapped) || ( p->port < input_offset ) ) {

-            if ( p == _out_req[output].end( ) ) {

-               if ( wrapped ) {

-                  break;

-               }

-               // p is valid here because empty lists

-               // are skipped (above)

-               p = _out_req[output].begin( );

-               wrapped = true;

-            }

-

-            input = p->port;

-

-            // we know the output is free (above) and

-            // if the input is free, grant request

-            if ( _inmatch[input] == -1 ) {

-               _grants[output] = input;

-               break;

-            }

-

-            p++;

-         }      

-      }

-

-#ifdef DEBUG_ISLIP

-      cout << "grants: ";

-      for ( int i = 0; i < _outputs; ++i ) {

-         cout << _grants[i] << " ";

-      }

-      cout << endl;

-

-      cout << "aptrs: ";

-      for ( int i = 0; i < _inputs; ++i ) {

-         cout << _aptrs[i] << " ";

-      }

-      cout << endl;

-#endif

-

-      // Accept phase

-

-      for ( input = 0; input < _inputs; ++input ) {

-

-         if ( _in_req[input].empty( ) ) {

-            continue;

-         }

-

-         // A round-robin arbiter between output grants

-         output_offset = _aptrs[input];

-

-         p = _in_req[input].begin( );

-         while ( ( p != _in_req[input].end( ) ) &&

-                 ( p->port < output_offset ) ) {

-            p++;

-         }

-

-         wrapped = false;

-         int flag ;

-         if ( p != _in_req[input].end( ) ) {

-            flag= (p->port < output_offset) ;

-         } else {

-            flag = true;

-         }

-         while ( (!wrapped) || (flag) ) {

-            if ( p == _in_req[input].end( ) ) {

-               if ( wrapped ) {

-                  break;

-               }

-               // p is valid here because empty lists

-               // are skipped (above)

-               p = _in_req[input].begin( );

-               wrapped = true;

-            }

-

-            output = p->port;

-

-            // we know the output is free (above) and

-            // if the input is free, grant request

-            if ( _grants[output] == input ) {

-               // Accept

-               _inmatch[input]   = output;

-               _outmatch[output] = input;

-

-               // Only update pointers if accepted during the 1st iteration

-               if ( iter == 0 ) {

-                  _gptrs[output] = ( input + 1 ) % _inputs;

-                  _aptrs[input]  = ( output + 1 ) % _outputs;

-               }

-

-               break;

-            }

-

-            p++;

-            if ( p != _in_req[input].end( ) ) {

-               flag= (p->port < output_offset) ;

-            } else {

-               flag = true;

-            }

-         } 

-      }

-   }

-

-#ifdef DEBUG_ISLIP

-   cout << "input match: ";

-   for ( int i = 0; i < _inputs; ++i ) {

-      cout << _inmatch[i] << " ";

-   }

-   cout << endl;

-

-   cout << "output match: ";

-   for ( int j = 0; j < _outputs; ++j ) {

-      cout << _outmatch[j] << " ";

-   }

-   cout << endl;

-#endif

-}