From ef8a5521e440baa2f86d468cdc9078f54ec7c0c0 Mon Sep 17 00:00:00 2001
From: Dongdong Li <qqlddg@gmail.com>
Date: Fri, 22 Nov 2013 15:38:36 -0800
Subject: Delete Intersim Code Review Issue: 113001

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 17414]
---
 src/intersim/buffer_state.cpp | 145 ------------------------------------------
 1 file changed, 145 deletions(-)
 delete mode 100644 src/intersim/buffer_state.cpp

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

diff --git a/src/intersim/buffer_state.cpp b/src/intersim/buffer_state.cpp
deleted file mode 100644
index 72a327d..0000000
--- a/src/intersim/buffer_state.cpp
+++ /dev/null
@@ -1,145 +0,0 @@
-#include "booksim.hpp"
-#include <iostream>
-#include <stdlib.h>
-#include <assert.h>
-
-#include "buffer_state.hpp"
-#include "random_utils.hpp"
-
-void BufferState::init( const Configuration& config ) 
-{
-   _Init( config );
-}
-
-BufferState::BufferState( const Configuration& config, 
-                          Module *parent, const string& name ) : 
-Module( parent, name )
-{
-   _Init( config );
-}
-
-void BufferState::_Init( const Configuration& config )
-{
-   _buf_size     = config.GetInt( "vc_buf_size" );
-   _vcs          = config.GetInt( "num_vcs" );
-
-   _wait_for_tail_credit = config.GetInt( "wait_for_tail_credit" );
-
-   _in_use       = new bool [_vcs];
-   _tail_sent    = new bool [_vcs];
-   _cur_occupied = new int  [_vcs];
-
-   _last_avail   = 0;
-
-   for ( int v = 0; v < _vcs; ++v ) {
-      _in_use[v]       = false;
-      _tail_sent[v]    = false;
-      _cur_occupied[v] = 0;
-   }
-}
-
-BufferState::~BufferState( )
-{
-   delete [] _in_use;
-   delete [] _tail_sent;
-   delete [] _cur_occupied;
-}
-
-void BufferState::ProcessCredit( Credit *c )
-{
-   assert( c );
-
-   for ( int v = 0; v < c->vc_cnt; ++v ) {
-      assert( ( c->vc[v] >= 0 ) && ( c->vc[v] < _vcs ) );
-
-      if ( ( _wait_for_tail_credit ) && 
-           ( !_in_use[c->vc[v]] ) ) {
-         Error( "Received credit for idle buffer" );
-      }
-
-      if ( _cur_occupied[c->vc[v]] > 0 ) {
-         --_cur_occupied[c->vc[v]];
-
-         if ( ( _cur_occupied[c->vc[v]] == 0 ) && 
-              ( _tail_sent[c->vc[v]] ) ) {
-            _in_use[c->vc[v]] = false;
-         }
-      } else {
-         cout << "VC = " << c->vc[v] << endl;
-         Error( "Buffer occupancy fell below zero" );
-      }
-   }
-}
-
-void BufferState::SendingFlit( Flit *f )
-{
-   assert( f && ( f->vc >= 0 ) && ( f->vc < _vcs ) );
-
-   if ( _cur_occupied[f->vc] < _buf_size ) {
-      ++_cur_occupied[f->vc];
-
-      if ( f->tail ) {
-         _tail_sent[f->vc] = true;
-
-         if ( !_wait_for_tail_credit ) {
-            _in_use[f->vc] = false;
-         }
-      }
-   } else {
-      Error( "Flit sent to full buffer" );
-   }
-}
-
-void BufferState::TakeBuffer( int vc )
-{
-   assert( ( vc >= 0 ) && ( vc < _vcs ) );
-
-   if ( _in_use[vc] ) {
-      Error( "Buffer taken while in use" );
-   }
-
-   _in_use[vc]    = true;
-   _tail_sent[vc] = false;
-}
-
-bool BufferState::IsFullFor( int vc  ) const
-{
-   assert( ( vc >= 0 ) && ( vc < _vcs ) );
-   return( _cur_occupied[vc] == _buf_size ) ? true : false;
-}
-
-bool BufferState::IsAvailableFor( int vc ) const
-{
-   assert( ( vc >= 0 ) && ( vc < _vcs ) );
-   return !_in_use[vc];
-}
-
-int BufferState::FindAvailable( )
-{
-   int available_vc = -1;
-   int vc;
-
-   _last_avail = RandomInt( _vcs - 1 );
-
-   for ( int v = 0; v < _vcs; ++v ) {
-      vc = ( v + _last_avail + 1 ) % _vcs; // Round-robin
-
-      if ( IsAvailableFor( vc ) ) {
-         available_vc = vc;
-         _last_avail  = vc;
-         break;
-      }
-   }
-
-   return available_vc;
-}
-
-void BufferState::Display( ) const
-{
-   cout << _fullname << " :" << endl;
-   for ( int v = 0; v < _vcs; ++v ) {
-      cout << "  buffer class " << v << endl;
-      cout << "    in_use = " << _in_use[v] << " tail_sent = " << _tail_sent[v] << endl;
-      cout << "    occupied = " << _cur_occupied[v] << endl;
-   }
-}
-- 
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