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author | Alan Mishchenko <alanmi@berkeley.edu> | 2014-08-18 22:42:48 -0700 |
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committer | Alan Mishchenko <alanmi@berkeley.edu> | 2014-08-18 22:42:48 -0700 |
commit | 3ef00645b879201bdfc7dbcab6279558cd4892bc (patch) | |
tree | 4df6381aca17e3cbe78e925e0797b6a24497d1c1 /src/base/abci/abc.c | |
parent | 65f9b73505412c99c512e565b1a3e965fab5301c (diff) | |
download | abc-3ef00645b879201bdfc7dbcab6279558cd4892bc.tar.gz abc-3ef00645b879201bdfc7dbcab6279558cd4892bc.tar.bz2 abc-3ef00645b879201bdfc7dbcab6279558cd4892bc.zip |
Added command 'sparsify' to derive ISF from CSF.
Diffstat (limited to 'src/base/abci/abc.c')
-rw-r--r-- | src/base/abci/abc.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c index d21c1887..e7271095 100644 --- a/src/base/abci/abc.c +++ b/src/base/abci/abc.c @@ -103,6 +103,7 @@ static int Abc_CommandSweep ( Abc_Frame_t * pAbc, int argc, cha static int Abc_CommandFastExtract ( Abc_Frame_t * pAbc, int argc, char ** argv ); static int Abc_CommandEliminate ( Abc_Frame_t * pAbc, int argc, char ** argv ); static int Abc_CommandDisjoint ( Abc_Frame_t * pAbc, int argc, char ** argv ); +static int Abc_CommandSparsify ( Abc_Frame_t * pAbc, int argc, char ** argv ); static int Abc_CommandLutpack ( Abc_Frame_t * pAbc, int argc, char ** argv ); static int Abc_CommandLutmin ( Abc_Frame_t * pAbc, int argc, char ** argv ); //static int Abc_CommandImfs ( Abc_Frame_t * pAbc, int argc, char ** argv ); @@ -690,6 +691,7 @@ void Abc_Init( Abc_Frame_t * pAbc ) Cmd_CommandAdd( pAbc, "Synthesis", "fx", Abc_CommandFastExtract, 1 ); Cmd_CommandAdd( pAbc, "Synthesis", "eliminate", Abc_CommandEliminate, 1 ); Cmd_CommandAdd( pAbc, "Synthesis", "dsd", Abc_CommandDisjoint, 1 ); + Cmd_CommandAdd( pAbc, "Synthesis", "sparsify", Abc_CommandSparsify, 1 ); Cmd_CommandAdd( pAbc, "Synthesis", "lutpack", Abc_CommandLutpack, 1 ); Cmd_CommandAdd( pAbc, "Synthesis", "lutmin", Abc_CommandLutmin, 1 ); // Cmd_CommandAdd( pAbc, "Synthesis", "imfs", Abc_CommandImfs, 1 ); @@ -4099,6 +4101,86 @@ usage: SeeAlso [] ***********************************************************************/ +int Abc_CommandSparsify( Abc_Frame_t * pAbc, int argc, char ** argv ) +{ + extern Abc_Ntk_t * Abc_NtkSparsify( Abc_Ntk_t * pNtk, int nPerc, int fVerbose ); + Abc_Ntk_t * pNtk = Abc_FrameReadNtk(pAbc), * pNtkNew; + int nPerc, fVerbose, c; + // set defaults + nPerc = 10; + fVerbose = 0; + Extra_UtilGetoptReset(); + while ( ( c = Extra_UtilGetopt( argc, argv, "Nvh" ) ) != EOF ) + { + switch ( c ) + { + case 'N': + if ( globalUtilOptind >= argc ) + { + Abc_Print( -1, "Command line switch \"-N\" should be followed by an integer.\n" ); + goto usage; + } + nPerc = atoi(argv[globalUtilOptind]); + globalUtilOptind++; + if ( nPerc < 1 || nPerc > 100 ) + goto usage; + break; + case 'v': + fVerbose ^= 1; + break; + case 'h': + goto usage; + break; + default: + goto usage; + } + } + + if ( pNtk == NULL ) + { + Abc_Print( -1, "Empty network.\n" ); + return 1; + } + if ( !Abc_NtkIsBddLogic( pNtk ) ) + { + Abc_Print( -1, "This command is only applicable to logic BDD networks (run \"bdd\").\n" ); + return 1; + } + if ( Abc_NtkCiNum(pNtk) > 16 ) + { + Abc_Print( -1, "The number of primary inputs is more than 16.\n" ); + return 1; + } + pNtkNew = Abc_NtkSparsify( pNtk, nPerc, fVerbose ); + if ( pNtkNew == NULL ) + { + Abc_Print( -1, "Command has failed.\n" ); + return 1; + } + // replace the current network + Abc_FrameReplaceCurrentNetwork( pAbc, pNtkNew ); + return 0; + +usage: + Abc_Print( -2, "usage: sparsify [-N num] [-vh]\n" ); + Abc_Print( -2, "\t creates incompletely-specified function\n" ); + Abc_Print( -2, "\t-N <num> : the percentage of on-set and off-set minterms (1 <= num <= 100) [default = %d]\n", nPerc ); + Abc_Print( -2, "\t-v : prints verbose information [default = %s]\n", fVerbose? "yes": "no" ); + Abc_Print( -2, "\t-h : print the command usage\n"); + return 1; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ int Abc_CommandLutpack( Abc_Frame_t * pAbc, int argc, char ** argv ) { Abc_Ntk_t * pNtk = Abc_FrameReadNtk(pAbc); |