int Mio_UpdateGenlib2( Vec_Str_t * vStr, Vec_Str_t * vStr2, char * pFileName, int fVerbose ) { Mio_Library_t * pLib; // set the new network pLib = Mio_LibraryRead( pFileName, Vec_StrArray(vStr), NULL, fVerbose ); if ( pLib == NULL ) return 0; // free the current superlib because it depends on the old Mio library if ( Abc_FrameReadLibSuper() ) { Map_SuperLibFree( (Map_SuperLib_t *)Abc_FrameReadLibSuper() ); Abc_FrameSetLibSuper( NULL ); } // replace the current library Mio_LibraryDelete( (Mio_Library_t *)Abc_FrameReadLibGen() ); Abc_FrameSetLibGen( pLib ); // set the new network pLib = (Mio_Library_t *)Amap_LibReadAndPrepare( pFileName, Vec_StrArray(vStr2), 0, 0 ); if ( pLib == NULL ) return 0; // replace the current library Amap_LibFree( (Amap_Lib_t *)Abc_FrameReadLibGen2() ); Abc_FrameSetLibGen2( pLib ); return 1; }
/**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Mio_UpdateGenlib( Mio_Library_t * pLib ) { // free the current superlib because it depends on the old Mio library if ( Abc_FrameReadLibSuper() ) { Map_SuperLibFree( (Map_SuperLib_t *)Abc_FrameReadLibSuper() ); Abc_FrameSetLibSuper( NULL ); } // replace the current library Mio_LibraryDelete( (Mio_Library_t *)Abc_FrameReadLibGen() ); Abc_FrameSetLibGen( pLib ); // replace the current library Amap_LibFree( (Amap_Lib_t *)Abc_FrameReadLibGen2() ); Abc_FrameSetLibGen2( NULL ); }
/**Function************************************************************* Synopsis [Deallocates the supergate library.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Map_SuperLibFree( Map_SuperLib_t * p ) { if ( p == NULL ) return; if ( p->pGenlib ) { assert( p->pGenlib == Abc_FrameReadLibGen() ); Mio_LibraryDelete( p->pGenlib ); Abc_FrameSetLibGen( NULL ); } if ( p->tTableC ) Map_SuperTableFree( p->tTableC ); if ( p->tTable ) Map_SuperTableFree( p->tTable ); Extra_MmFixedStop( p->mmSupers ); Extra_MmFixedStop( p->mmEntries ); Extra_MmFlexStop( p->mmForms ); ABC_FREE( p->ppSupers ); ABC_FREE( p ); }
/**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ int Mio_CommandReadLibrary( Abc_Frame_t * pAbc, int argc, char **argv ) { FILE * pFile; FILE * pOut, * pErr; Mio_Library_t * pLib; Abc_Ntk_t * pNet; char * FileName; int fVerbose; int c; pNet = Abc_FrameReadNtk(pAbc); pOut = Abc_FrameReadOut(pAbc); pErr = Abc_FrameReadErr(pAbc); // set the defaults fVerbose = 1; Extra_UtilGetoptReset(); while ( (c = Extra_UtilGetopt(argc, argv, "vh")) != EOF ) { switch (c) { case 'v': fVerbose ^= 1; break; case 'h': goto usage; break; default: goto usage; } } if ( argc != globalUtilOptind + 1 ) { goto usage; } // get the input file name FileName = argv[globalUtilOptind]; if ( (pFile = Io_FileOpen( FileName, "open_path", "r", 0 )) == NULL ) { fprintf( pErr, "Cannot open input file \"%s\". ", FileName ); if ( (FileName = Extra_FileGetSimilarName( FileName, ".genlib", ".lib", ".gen", ".g", NULL )) ) fprintf( pErr, "Did you mean \"%s\"?", FileName ); fprintf( pErr, "\n" ); return 1; } fclose( pFile ); // set the new network pLib = Mio_LibraryRead( pAbc, FileName, 0, fVerbose ); if ( pLib == NULL ) { fprintf( pErr, "Reading GENLIB library has failed.\n" ); return 1; } // free the current superlib because it depends on the old Mio library if ( Abc_FrameReadLibSuper() ) { extern void Map_SuperLibFree( Map_SuperLib_t * p ); // Map_SuperLibFree( s_pSuperLib ); // s_pSuperLib = NULL; Map_SuperLibFree( Abc_FrameReadLibSuper() ); Abc_FrameSetLibSuper( NULL ); } // replace the current library // Mio_LibraryDelete( s_pLib ); // s_pLib = pLib; Mio_LibraryDelete( Abc_FrameReadLibGen() ); Abc_FrameSetLibGen( pLib ); return 0; usage: fprintf( pErr, "usage: read_library [-vh]\n"); fprintf( pErr, "\t read the library from a genlib file\n" ); fprintf( pErr, "\t-h : enable verbose output\n"); return 1; /* error exit */ }
/**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Mio_End() { // Mio_LibraryDelete( s_pLib ); Mio_LibraryDelete( Abc_FrameReadLibGen() ); }
/**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ int Map_CommandReadLibrary( Abc_Frame_t * pAbc, int argc, char **argv ) { FILE * pFile; FILE * pOut, * pErr; Map_SuperLib_t * pLib; Abc_Ntk_t * pNet; char * FileName, * ExcludeFile; int fVerbose; int fAlgorithm; int c; pNet = Abc_FrameReadNtk(pAbc); pOut = Abc_FrameReadOut(pAbc); pErr = Abc_FrameReadErr(pAbc); // set the defaults fVerbose = 1; fAlgorithm = 1; ExcludeFile = 0; Extra_UtilGetoptReset(); while ( (c = Extra_UtilGetopt(argc, argv, "eovh")) != EOF ) { switch (c) { case 'e': ExcludeFile = argv[globalUtilOptind]; if ( ExcludeFile == 0 ) goto usage; globalUtilOptind++; break; case 'o': fAlgorithm ^= 1; break; case 'v': fVerbose ^= 1; break; case 'h': goto usage; break; default: goto usage; } } if ( argc != globalUtilOptind + 1 ) { goto usage; } // get the input file name FileName = argv[globalUtilOptind]; if ( (pFile = Io_FileOpen( FileName, "open_path", "r", 0 )) == NULL ) // if ( (pFile = fopen( FileName, "r" )) == NULL ) { fprintf( pErr, "Cannot open input file \"%s\". ", FileName ); if (( FileName = Extra_FileGetSimilarName( FileName, ".genlib", ".lib", ".gen", ".g", NULL )) ) fprintf( pErr, "Did you mean \"%s\"?", FileName ); fprintf( pErr, "\n" ); return 1; } fclose( pFile ); // set the new network pLib = Map_SuperLibCreate( FileName, ExcludeFile, fAlgorithm, fVerbose ); if ( pLib == NULL ) { fprintf( pErr, "Reading supergate library has failed.\n" ); goto usage; } // replace the current library // Map_SuperLibFree( s_pSuperLib ); // s_pSuperLib = pLib; Map_SuperLibFree( (Map_SuperLib_t *)Abc_FrameReadLibSuper() ); Abc_FrameSetLibSuper( pLib ); // replace the current genlib library // if ( s_pLib ) Mio_LibraryDelete( s_pLib ); // s_pLib = s_pSuperLib->pGenlib; Mio_LibraryDelete( (Mio_Library_t *)Abc_FrameReadLibGen() ); Abc_FrameSetLibGen( (Mio_Library_t *)pLib->pGenlib ); return 0; usage: fprintf( pErr, "\nusage: read_super [-ovh]\n"); fprintf( pErr, "\t read the supergate library from the file\n" ); fprintf( pErr, "\t-e file : file contains list of genlib gates to exclude\n" ); fprintf( pErr, "\t-o : toggles the use of old file format [default = %s]\n", (fAlgorithm? "new" : "old") ); fprintf( pErr, "\t-v : toggles enabling of verbose output [default = %s]\n", (fVerbose? "yes" : "no") ); fprintf( pErr, "\t-h : print the command usage\n"); return 1; /* error exit */ }
/**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ int Super_CommandSupergates( Abc_Frame_t * pAbc, int argc, char **argv ) { FILE * pFile; FILE * pOut, * pErr; Mio_Library_t * pLib; char * FileName, * ExcludeFile; float DelayLimit; float AreaLimit; int fSkipInvs; int fWriteOldFormat; int nVarsMax, nLevels, TimeLimit; int fVerbose; int c; pOut = Abc_FrameReadOut(pAbc); pErr = Abc_FrameReadErr(pAbc); // set the defaults nVarsMax = 5; nLevels = 3; DelayLimit = 3.5; AreaLimit = 9; TimeLimit = 10; fSkipInvs = 1; fVerbose = 0; fWriteOldFormat = 0; ExcludeFile = 0; Extra_UtilGetoptReset(); while ( (c = Extra_UtilGetopt(argc, argv, "eiltdasovh")) != EOF ) { switch (c) { case 'e': ExcludeFile = argv[globalUtilOptind]; if ( ExcludeFile == 0 ) goto usage; globalUtilOptind++; break; case 'i': nVarsMax = atoi(argv[globalUtilOptind]); globalUtilOptind++; if ( nVarsMax < 0 ) goto usage; break; case 'l': nLevels = atoi(argv[globalUtilOptind]); globalUtilOptind++; if ( nLevels < 0 ) goto usage; break; case 't': TimeLimit = atoi(argv[globalUtilOptind]); globalUtilOptind++; if ( TimeLimit < 0 ) goto usage; break; case 'd': DelayLimit = (float)atof(argv[globalUtilOptind]); globalUtilOptind++; if ( DelayLimit <= 0.0 ) goto usage; break; case 'a': AreaLimit = (float)atof(argv[globalUtilOptind]); globalUtilOptind++; if ( AreaLimit <= 0.0 ) goto usage; break; case 's': fSkipInvs ^= 1; break; case 'o': fWriteOldFormat ^= 1; break; case 'v': fVerbose ^= 1; break; case 'h': goto usage; break; default: goto usage; } } if ( argc != globalUtilOptind + 1 ) { fprintf( pErr, "The GENLIB library file should be given on the command line.\n" ); goto usage; } if ( nVarsMax < 2 || nVarsMax > 6 ) { fprintf( pErr, "The max number of variables (%d) should be more than 1 and less than 7.\n", nVarsMax ); goto usage; } // get the input file name FileName = argv[globalUtilOptind]; if ( (pFile = Io_FileOpen( FileName, "open_path", "r", 0 )) == NULL ) // if ( (pFile = fopen( FileName, "r" )) == NULL ) { fprintf( pErr, "Cannot open input file \"%s\". ", FileName ); if (( FileName = Extra_FileGetSimilarName( FileName, ".genlib", ".lib", ".gen", ".g", NULL ) )) fprintf( pErr, "Did you mean \"%s\"?", FileName ); fprintf( pErr, "\n" ); return 1; } fclose( pFile ); // set the new network pLib = Mio_LibraryRead( FileName, ExcludeFile, fVerbose ); if ( pLib == NULL ) { fprintf( pErr, "Reading library has failed.\n" ); goto usage; } // compute the gates Super_Precompute( pLib, nVarsMax, nLevels, DelayLimit, AreaLimit, TimeLimit, fSkipInvs, fWriteOldFormat, fVerbose ); // delete the library Mio_LibraryDelete( pLib ); return 0; usage: fprintf( pErr, "usage: super [-i num] [-l num] [-d float] [-a float] [-t num] [-sovh] <genlib_file>\n"); fprintf( pErr, "\t precomputes the supergates for the given GENLIB library\n" ); fprintf( pErr, "\t-i num : the max number of supergate inputs [default = %d]\n", nVarsMax ); fprintf( pErr, "\t-l num : the max number of levels of gates [default = %d]\n", nLevels ); fprintf( pErr, "\t-d float : the max delay of the supergates [default = %.2f]\n", DelayLimit ); fprintf( pErr, "\t-a float : the max area of the supergates [default = %.2f]\n", AreaLimit ); fprintf( pErr, "\t-t num : the approximate runtime limit in seconds [default = %d]\n", TimeLimit ); fprintf( pErr, "\t-s : toggle the use of inverters at the inputs [default = %s]\n", (fSkipInvs? "no": "yes") ); fprintf( pErr, "\t-o : toggle dumping the supergate library in old format [default = %s]\n", (fWriteOldFormat? "yes": "no") ); fprintf( pErr, "\t-e file : file contains list of genlib gates to exclude\n" ); fprintf( pErr, "\t-v : enable verbose output [default = %s]\n", (fVerbose? "yes" : "no") ); fprintf( pErr, "\t-h : print the help message\n"); fprintf( pErr, "\n"); fprintf( pErr, "\tHere is a piece of advice on precomputing supergate libraries:\n"); fprintf( pErr, "\t\n"); fprintf( pErr, "\tStart with the number of inputs equal to 5 (-i 5), the number of \n"); fprintf( pErr, "\tlevels equal to 3 (-l 3), the delay equal to 2-3 delays of inverter, \n"); fprintf( pErr, "\tthe area equal to 3-4 areas of two input NAND, and runtime limit equal \n"); fprintf( pErr, "\tto 10 seconds (-t 10). Run precomputation and learn from the result.\n"); fprintf( pErr, "\tDetermine what parameter is most constraining and try to increase \n"); fprintf( pErr, "\tthe value of that parameter. The goal is to have a well-balanced\n"); fprintf( pErr, "\tset of constraints and the resulting supergate library containing\n"); fprintf( pErr, "\tapproximately 100K-200K supergates. Typically, it is better to increase\n"); fprintf( pErr, "\tdelay limit rather than area limit, because having large-area supergates\n"); fprintf( pErr, "\tmay result in a considerable increase in area.\n"); fprintf( pErr, "\t\n"); fprintf( pErr, "\tNote that a good supergate library for experiments typically can be \n"); fprintf( pErr, "\tprecomputed in 30 sec. Increasing the runtime limit makes sense when\n"); fprintf( pErr, "\tother parameters are well-balanced and it is needed to enumerate more\n"); fprintf( pErr, "\tchoices to have a good result. In the end, to compute the final library\n"); fprintf( pErr, "\tthe runtime can be set to 300 sec to ensure the ultimate quality.\n"); fprintf( pErr, "\tIn some cases, the runtime has to be reduced if the supergate library\n"); fprintf( pErr, "\tcontains too many supergates (> 500K).\n"); fprintf( pErr, "\t\n"); fprintf( pErr, "\tWhen precomputing libraries of 6 inputs (-i 6), start with even more \n"); fprintf( pErr, "\trestricted parameters and gradually increase them until the goal is met.\n"); fprintf( pErr, "\t\n"); return 1; /* error exit */ }
/**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Mio_End( Abc_Frame_t * pAbc ) { Mio_LibraryDelete( (Mio_Library_t *)Abc_FrameReadLibGen() ); Amap_LibFree( (Amap_Lib_t *)Abc_FrameReadLibGen2() ); }