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authorAlan Mishchenko <alanmi@berkeley.edu>2012-04-11 16:00:09 -0700
committerAlan Mishchenko <alanmi@berkeley.edu>2012-04-11 16:00:09 -0700
commit0184dab4decc83078e5abd5581a4946d1b72bf01 (patch)
tree24fef6a76e90e220efb936eb6ef8b215099044bd /src/base/abci
parent0d802453e42f7a1cb2280207d58f8acc6bf8d7d2 (diff)
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Adding iterative refinement to 'addbuffs'.
Diffstat (limited to 'src/base/abci')
-rw-r--r--src/base/abci/abc.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index deb9bad1..2a7dbfc0 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -4550,19 +4550,32 @@ usage:
***********************************************************************/
int Abc_CommandAddBuffs( Abc_Frame_t * pAbc, int argc, char ** argv )
{
- extern Abc_Ntk_t * Abc_NtkAddBuffs( Abc_Ntk_t * pNtk, int fReverse, int fVerbose );
+ extern Abc_Ntk_t * Abc_NtkAddBuffs( Abc_Ntk_t * pNtk, int fReverse, int nImprove, int fVerbose );
Abc_Ntk_t * pNtk = Abc_FrameReadNtk(pAbc);
Abc_Ntk_t * pNtkRes;
int c, fVerbose;
int fReverse;
+ int nImprove;
+ nImprove = 1000;
fReverse = 0;
fVerbose = 0;
Extra_UtilGetoptReset();
- while ( ( c = Extra_UtilGetopt( argc, argv, "rvh" ) ) != EOF )
+ while ( ( c = Extra_UtilGetopt( argc, argv, "Irvh" ) ) != EOF )
{
switch ( c )
{
+ case 'I':
+ if ( globalUtilOptind >= argc )
+ {
+ Abc_Print( -1, "Command line switch \"-I\" should be followed by a positive integer.\n" );
+ goto usage;
+ }
+ nImprove = atoi(argv[globalUtilOptind]);
+ globalUtilOptind++;
+ if ( nImprove < 0 )
+ goto usage;
+ break;
case 'r':
fReverse ^= 1;
break;
@@ -4588,7 +4601,7 @@ int Abc_CommandAddBuffs( Abc_Frame_t * pAbc, int argc, char ** argv )
}
// modify the current network
- pNtkRes = Abc_NtkAddBuffs( pNtk, fReverse, fVerbose );
+ pNtkRes = Abc_NtkAddBuffs( pNtk, fReverse, nImprove, fVerbose );
if ( pNtkRes == NULL )
{
Abc_Print( -1, "The command has failed.\n" );
@@ -4599,8 +4612,9 @@ int Abc_CommandAddBuffs( Abc_Frame_t * pAbc, int argc, char ** argv )
return 0;
usage:
- Abc_Print( -2, "usage: addbuffs [-rvh]\n" );
+ Abc_Print( -2, "usage: addbuffs [-I num] [-rvh]\n" );
Abc_Print( -2, "\t adds buffers to create balanced CI/CO paths\n" );
+ Abc_Print( -2, "\t-I <num> : the number of refinement iterations [default = %d]\n", nImprove );
Abc_Print( -2, "\t-r : toggle reversing the levelized order [default = %s]\n", fReverse? "yes": "no" );
Abc_Print( -2, "\t-v : toggle printing optimization summary [default = %s]\n", fVerbose? "yes": "no" );
Abc_Print( -2, "\t-h : print the command usage\n");