diff options
Diffstat (limited to 'src/intersim/loa.cpp')
| -rw-r--r-- | src/intersim/loa.cpp | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/src/intersim/loa.cpp b/src/intersim/loa.cpp deleted file mode 100644 index c7501f3..0000000 --- a/src/intersim/loa.cpp +++ /dev/null @@ -1,102 +0,0 @@ -#include "booksim.hpp"
-#include <iostream>
-
-#include "loa.hpp"
-#include "random_utils.hpp"
-
-LOA::LOA( const Configuration &config,
- Module *parent, const string& name,
- int inputs, int input_speedup,
- int outputs, int output_speedup ) :
-DenseAllocator( config, parent, name, inputs, outputs )
-{
- _req = new int [_inputs];
- _counts = new int [_outputs];
-
- _rptr = new int [_inputs];
- _gptr = new int [_outputs];
-}
-
-LOA::~LOA( )
-{
- delete [] _req;
- delete [] _counts;
- delete [] _rptr;
- delete [] _gptr;
-}
-
-void LOA::Allocate( )
-{
- int input;
- int output;
-
- int input_offset;
- int output_offset;
-
- int lonely;
- int lonely_cnt;
-
- // Clear matching
-
- // Count phase --- the number of requests
- // per output is counted
-
- for ( int i = 0; i < _inputs; ++i ) {
- _inmatch[i] = -1;
- }
- for ( int j = 0; j < _outputs; ++j ) {
- _outmatch[j] = -1;
- _counts[j] = 0;
-
- for ( int i = 0; i < _inputs; ++i ) {
- _counts[j] += ( _request[i][j].label != -1 ) ? 1 : 0;
- }
- }
-
- // Request phase
- for ( input = 0; input < _inputs; ++input ) {
-
- // Find the lonely output
- output_offset = _rptr[input];
- lonely = -1;
- lonely_cnt = _inputs + 1;
-
- for ( int o = 0; o < _outputs; ++o ) {
- output = ( o + output_offset ) % _outputs;
-
- if ( ( _request[input][output].label != -1 ) &&
- ( _counts[output] < lonely_cnt ) ) {
- lonely = output;
- lonely_cnt = _counts[output];
- }
- }
-
- // Request the lonely output (-1 for no request)
- _req[input] = lonely;
- }
-
- // Grant phase
- for ( output = 0; output < _outputs; ++output ) {
- input_offset = _gptr[output];
-
- for ( int i = 0; i < _inputs; ++i ) {
- input = ( i + input_offset ) % _inputs;
-
- if ( _req[input] == output ) {
- // Grant!
-
- _inmatch[input] = output;
- _outmatch[output] = input;
-
- _rptr[input] = ( _rptr[input] + 1 ) % _outputs;
- _gptr[output] = ( _gptr[output] + 1 ) % _inputs;
-
- break;
- }
- }
- }
-
-
-}
-
-
|
