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-rw-r--r--src/intersim/pim.cpp98
1 files changed, 0 insertions, 98 deletions
diff --git a/src/intersim/pim.cpp b/src/intersim/pim.cpp
deleted file mode 100644
index be5872c..0000000
--- a/src/intersim/pim.cpp
+++ /dev/null
@@ -1,98 +0,0 @@
-#include "booksim.hpp"
-#include <iostream>
-
-#include "pim.hpp"
-#include "random_utils.hpp"
-
-//#define DEBUG_PIM
-
-PIM::PIM( const Configuration &config,
- Module *parent, const string& name,
- int inputs, int outputs ) :
-DenseAllocator( config, parent, name, inputs, outputs )
-{
- _PIM_iter = config.GetInt( "alloc_iters" );
-
- _grants = new int [_outputs];
-}
-
-PIM::~PIM( )
-{
- delete [] _grants;
-}
-
-void PIM::Allocate( )
-{
- int input;
- int output;
-
- int input_offset;
- int output_offset;
-
- _ClearMatching( );
-
- for ( int iter = 0; iter < _PIM_iter; ++iter ) {
- // Grant phase --- outputs randomly choose
- // between one of their requests
-
- for ( output = 0; output < _outputs; ++output ) {
- _grants[output] = -1;
-
- // A random arbiter between input requests
- input_offset = RandomInt( _inputs - 1 );
-
- for ( int i = 0; i < _inputs; ++i ) {
- input = ( i + input_offset ) % _inputs;
-
- if ( ( _request[input][output].label != -1 ) &&
- ( _inmatch[input] == -1 ) &&
- ( _outmatch[output] == -1 ) ) {
-
- // Grant
- _grants[output] = input;
- break;
- }
- }
- }
-
- // Accept phase -- inputs randomly choose
- // between input_speedup of their grants
-
- for ( input = 0; input < _inputs; ++input ) {
-
- // A random arbiter between output grants
- output_offset = RandomInt( _outputs - 1 );
-
- for ( int o = 0; o < _outputs; ++o ) {
- output = ( o + output_offset ) % _outputs;
-
- if ( _grants[output] == input ) {
-
- // Accept
- _inmatch[input] = output;
- _outmatch[output] = input;
-
- break;
- }
- }
- }
- }
-
-#ifdef DEBUG_PIM
- if ( _outputs == 8 ) {
- cout << "input match: " << endl;
- for ( int i = 0; i < _inputs; ++i ) {
- cout << " from " << i << " to " << _inmatch[i] << endl;
- }
- cout << endl;
- }
-
- cout << "output match: ";
- for ( int j = 0; j < _outputs; ++j ) {
- cout << _outmatch[j] << " ";
- }
- cout << endl;
-#endif
-}
-
-