luke
/
abc
mirror of https://github.com/YosysHQ/abc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Dumping a binary file with truth tables in "if".

This commit is contained in:
Alan Mishchenko 2025-08-12 16:00:26 -07:00
parent e29dcd9f32
commit c5ceff2bee
4 changed files with 53 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/base/abci/abc.c
View File

@ -21492,7 +21492,7 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv )
If_ManSetDefaultPars( pPars );
pPars->pLutLib = (If_LibLut_t *)Abc_FrameReadLibLut();
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "KCFAGRNTXYUZDEWSJqaflepmrsdbgxyzuojiktncvh" ) ) != EOF )
while ( ( c = Extra_UtilGetopt( argc, argv, "KCFAGRNTXYUZDEWSJqalepmrsdbgxyzuojiktncfvh" ) ) != EOF )
{
switch ( c )
{
@ -21703,9 +21703,9 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv )
case 'r':
pPars->fExpRed ^= 1;
break;
case 'f':
pPars->fFancy ^= 1;
break;
//case 'f':
// pPars->fFancy ^= 1;
// break;
case 'l':
pPars->fLatchPaths ^= 1;
break;
@ -21760,6 +21760,9 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv )
case 'c':
pPars->fUseTtPerm ^= 1;
break;
case 'f':
pPars->fDumpFile ^= 1;
break;
case 'v':
pPars->fVerbose ^= 1;
break;
@ -22071,7 +22074,7 @@ usage:
sprintf(LutSize, "library" );
else
sprintf(LutSize, "%d", pPars->nLutSize );
Abc_Print( -2, "usage: if [-KCFAGRNTXYUZ num] [-DEW float] [-SJ str] [-qarlepmsdbgxyuojiktnczvh]\n" );
Abc_Print( -2, "usage: if [-KCFAGRNTXYUZ num] [-DEW float] [-SJ str] [-qarlepmsdbgxyuojiktnczfvh]\n" );
Abc_Print( -2, "\t performs FPGA technology mapping of the network\n" );
Abc_Print( -2, "\t-K num : the number of LUT inputs (2 < num < %d) [default = %s]\n", IF_MAX_LUTSIZE+1, LutSize );
Abc_Print( -2, "\t-C num : the max number of priority cuts (0 < num < 2^12) [default = %d]\n", pPars->nCutsMax );
@ -22112,6 +22115,7 @@ usage:
Abc_Print( -2, "\t-n : toggles computing DSDs of the cut functions [default = %s]\n", pPars->fUseDsd? "yes": "no" );
Abc_Print( -2, "\t-c : toggles computing truth tables in a new way [default = %s]\n", pPars->fUseTtPerm? "yes": "no" );
Abc_Print( -2, "\t-z : toggles deriving LUTs when mapping into LUT structures [default = %s]\n", pPars->fDeriveLuts? "yes": "no" );
Abc_Print( -2, "\t-f : toggles dumping truth tables into a binary file [default = %s]\n", pPars->fDumpFile? "yes": "no" );
Abc_Print( -2, "\t-v : toggles verbose output [default = %s]\n", pPars->fVerbose? "yes": "no" );
Abc_Print( -2, "\t-h : prints the command usage\n");
return 1;

5
src/base/abci/abcResub.c
View File

@ -20,6 +20,7 @@
#include "base/abc/abc.h"
#include "bool/dec/dec.h"
#include "misc/extra/extra.h"
ABC_NAMESPACE_IMPL_START
@ -165,7 +166,9 @@ int Abc_NtkResubstitute( Abc_Ntk_t * pNtk, int nCutMax, int nStepsMax, int nMinS
pManRes->Log2Probs = Log2Probs;
pManRes->Log2Divs = Log2Divs;
pManRes->nProbs = 0;
char pFileName[100]; sprintf( pFileName, "p%02dd%02dv%02d.bin", Log2Probs, nCutMax, Log2Divs );
char * pName = Extra_FileNameGeneric(Extra_FileNameWithoutPath(pNtk->pName));
char pFileName[100]; sprintf( pFileName, "p%02dd%02dv%02d_%s.bin", Log2Probs, nCutMax, Log2Divs, pName );
ABC_FREE( pName );
pManRes->pFile = fopen( pFileName, "wb" );
if ( pManRes->pFile == NULL ) {
printf( "Cannot open output file \"%s\".\n", pFileName );

1
src/map/if/if.h
View File

@ -149,6 +149,7 @@ struct If_Par_t_
int fHashMapping; // perform AIG hashing after mapping
int fUserLutDec; // perform Boolean decomposition during mapping
int fUserLut2D; // perform Boolean decomposition during mapping
int fDumpFile; // dumping truth tables into a file
int fVerbose; // the verbosity flag
int fVerboseTrace; // the verbosity flag
char * pLutStruct; // LUT structure

39
src/map/if/ifMan.c
View File

@ -19,6 +19,7 @@
***********************************************************************/
#include "if.h"
#include "misc/extra/extra.h"
ABC_NAMESPACE_IMPL_START
@ -211,6 +212,44 @@ void If_ManRestart( If_Man_t * p )
***********************************************************************/
void If_ManStop( If_Man_t * p )
{
if ( p->pPars->fDumpFile && p->pPars->fTruth )
{
char pFileName[1000] = {0}, pBuffer[100];
int nUnique = 0, nChunks = 0, nChunkSize = 1 << 10, nBytes = 0;
for ( int i = 7; i <= p->pPars->nLutSize; i++ ) {
nUnique = Vec_MemEntryNum(p->vTtMem[i]);
nChunks = (nUnique + nChunkSize - 1) / nChunkSize;
printf( "LutSize = %2d Unique = %7d Chunks = %7d\n", i, nUnique, nChunks );
sprintf( pBuffer, "%s%02d_%02d", i == 7 ? "":"__", i, nChunks );
strcat( pFileName, pBuffer );
}
char * pName = Extra_FileNameGeneric(Extra_FileNameWithoutPath(p->pName));
sprintf( pBuffer, "__%s.bin", pName );
ABC_FREE( pName );
strcat( pFileName, pBuffer );
FILE * pFile = fopen( pFileName, "wb" );
if ( pFile == NULL )
printf( "Cannot open file \"%s\" for writing.\n", pFileName );
else {
for ( int i = 7; i <= p->pPars->nLutSize; i++ ) {
nUnique = Vec_MemEntryNum(p->vTtMem[i]);
nChunks = (nUnique + nChunkSize - 1) / nChunkSize;
word * pEntry; int k, Count = 0;
int nEntrySize = Vec_MemEntrySize(p->vTtMem[i]);
Vec_MemForEachEntry( p->vTtMem[i], pEntry, k )
Count += fwrite( (unsigned *)pEntry, 1, sizeof(word) * nEntrySize, pFile );
word * pZeros = ABC_CALLOC( word, nEntrySize );
for ( ; k < nChunks * nChunkSize; k++ )
Count += fwrite( (unsigned *)pZeros, 1, sizeof(word) * nEntrySize, pFile );
ABC_FREE( pZeros );
assert( Count == nChunks * nChunkSize * nEntrySize * sizeof(word) );
nBytes += nChunks * nChunkSize * nEntrySize * sizeof(word);
}
fclose( pFile );
printf( "Finished writing truth tables into file \"%s\" (%.3f MB).\n", pFileName, 1.0 * nBytes / (1<<20) );
}
}
extern void If_ManCacheAnalize( If_Man_t * p );
int i;
if ( p->pPars->fVerbose && p->vCutData )