コード例 #1
0
ファイル: test_symm.c プロジェクト: flame/libflame
void libfla_test_symm_impl( int       impl,
                            FLA_Side  side,
                            FLA_Uplo  uplo,
                            FLA_Obj   alpha,
                            FLA_Obj   A,
                            FLA_Obj   B,
                            FLA_Obj   beta,
                            FLA_Obj   C )
{
	switch ( impl )
	{
		case FLA_TEST_HIER_FRONT_END:
		FLASH_Symm( side, uplo, alpha, A, B, beta, C );
		break;

		case FLA_TEST_FLAT_FRONT_END:
		FLA_Symm( side, uplo, alpha, A, B, beta, C );
		break;

		case FLA_TEST_FLAT_UNB_VAR:
		FLA_Symm_internal( side, uplo, alpha, A, B, beta, C, symm_cntl_unb );
		break;

		case FLA_TEST_FLAT_BLK_VAR:
		FLA_Symm_internal( side, uplo, alpha, A, B, beta, C, symm_cntl_blk );
		break;

		case FLA_TEST_FLAT_UNB_EXT:
		FLA_Symm_external( side, uplo, alpha, A, B, beta, C );
		break;

		default:
		libfla_test_output_error( "Invalid implementation type.\n" );
	}
}
コード例 #2
0
int main(int argc, char *argv[])
{
  int m, n, k, nfirst, nlast, ninc, i, irep,
    nrepeats, nb_alg, check;;

  double
    dtime,
    dtime_best,
    gflops,
    max_gflops,
    diff,
    d_n;

  FLA_Obj
    A, B, C, Cref, Cold;
  
  /* Initialize FLAME */
  FLA_Init( );

  /* Every time trial is repeated "repeat" times */
  printf( "%% number of repeats:" );
  scanf( "%d", &nrepeats );
  printf( "%% %d\n", nrepeats );

  /* Enter the max GFLOPS attainable */
  printf( "%% enter max GFLOPS:" );
  scanf( "%lf", &max_gflops );
  printf( "%% %lf\n", max_gflops );

  /* Enter the algorithmic block size */
  printf( "%% enter nb_alg:" );
  scanf( "%d", &nb_alg );
  printf( "%% %d\n", nb_alg );

  /* Timing trials for matrix sizes n=nfirst to nlast in increments 
     of ninc will be performed */
  printf( "%% enter nfirst, nlast, ninc:" );
  scanf( "%d%d%d", &nfirst, &nlast, &ninc );
  printf( "%% %d %d %d\n", nfirst, nlast, ninc );

  i = 1;
  for ( n=nfirst; n<= nlast; n+=ninc ){
   
    /* Allocate space for the matrices */

    FLA_Obj_create( FLA_DOUBLE, n, n, 1, n, &A );
    FLA_Obj_create( FLA_DOUBLE, n, n, 1, n, &B );
    FLA_Obj_create( FLA_DOUBLE, n, n, 1, n, &C );
    FLA_Obj_create( FLA_DOUBLE, n, n, 1, n, &Cref );
    FLA_Obj_create( FLA_DOUBLE, n, n, 1, n, &Cold );

    /* Generate random matrices L and B */
    FLA_Random_matrix( A );
    FLA_Random_matrix( B );
    FLA_Random_matrix( Cold );

    gflops = 2.0 * n * n * n * 1.0e-09;

    /* Time FLA_Symm */

    for ( irep=0; irep<nrepeats; irep++ ){
      FLA_Copy( Cold, Cref );

      dtime = FLA_Clock();

      FLA_Symm( FLA_LEFT, FLA_LOWER_TRIANGULAR, 
		FLA_ONE, A, B, FLA_ONE, Cref );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }

    printf( "data_FLAME( %d, 1:2 ) = [ %d %le ];\n", i, n,
            gflops / dtime_best );
    fflush( stdout );


    /* Time the your implementations */


#if TEST_UNB_VAR1==TRUE
    /* Variant 1 unblocked */

    for ( irep=0; irep<nrepeats; irep++ ){

      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_unb_var1( A, B, C );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }    

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_unb_var1( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif

#if TEST_BLK_VAR1==TRUE
    /* Variant 1 blocked */

    for ( irep=0; irep<nrepeats; irep++ ){
      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_blk_var1( A, B, C, nb_alg );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_blk_var1( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif

#if TEST_UNB_VAR2==TRUE
    /* Variant 2 unblocked */

    for ( irep=0; irep<nrepeats; irep++ ){

      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_unb_var2( A, B, C );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }    

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_unb_var2( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif

#if TEST_BLK_VAR2==TRUE
    /* Variant 2 blocked */

    for ( irep=0; irep<nrepeats; irep++ ){
      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_blk_var2( A, B, C, nb_alg );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_blk_var2( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif

#if TEST_UNB_VAR3==TRUE
    /* Variant 3 unblocked */

    for ( irep=0; irep<nrepeats; irep++ ){

      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_unb_var3( A, B, C );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }    

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_unb_var3( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif

#if TEST_BLK_VAR3==TRUE
    /* Variant 3 blocked */

    for ( irep=0; irep<nrepeats; irep++ ){
      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_blk_var3( A, B, C, nb_alg );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_blk_var3( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif

#if TEST_UNB_VAR4==TRUE
    /* Variant 4 unblocked */

    for ( irep=0; irep<nrepeats; irep++ ){

      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_unb_var4( A, B, C );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }    

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_unb_var4( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif

#if TEST_BLK_VAR4==TRUE
    /* Variant 4 blocked */

    for ( irep=0; irep<nrepeats; irep++ ){
      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_blk_var4( A, B, C, nb_alg );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_blk_var4( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif


#if TEST_UNB_VAR5==TRUE
    /* Variant 5 unblocked */

    for ( irep=0; irep<nrepeats; irep++ ){

      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_unb_var5( A, B, C );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }    

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_unb_var5( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif

#if TEST_BLK_VAR5==TRUE
    /* Variant 5 blocked */

    for ( irep=0; irep<nrepeats; irep++ ){
      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_blk_var5( A, B, C, nb_alg );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_blk_var5( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif


#if TEST_UNB_VAR6==TRUE
    /* Variant 6 unblocked */

    for ( irep=0; irep<nrepeats; irep++ ){

      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_unb_var6( A, B, C );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }    

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_unb_var6( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif

#if TEST_BLK_VAR6==TRUE
    /* Variant 6 blocked */

    for ( irep=0; irep<nrepeats; irep++ ){
      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_blk_var6( A, B, C, nb_alg );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_blk_var6( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif


#if TEST_UNB_VAR7==TRUE
    /* Variant 7 unblocked */

    for ( irep=0; irep<nrepeats; irep++ ){

      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_unb_var7( A, B, C );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }    

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_unb_var7( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif

#if TEST_BLK_VAR7==TRUE
    /* Variant 4 blocked */

    for ( irep=0; irep<nrepeats; irep++ ){
      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_blk_var7( A, B, C, nb_alg );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_blk_var7( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif


#if TEST_UNB_VAR8==TRUE
    /* Variant 8 unblocked */

    for ( irep=0; irep<nrepeats; irep++ ){

      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_unb_var8( A, B, C );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }    

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_unb_var8( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif

#if TEST_BLK_VAR8==TRUE
    /* Variant 4 blocked */

    for ( irep=0; irep<nrepeats; irep++ ){
      FLA_Copy( Cold, C );
    
      dtime = FLA_Clock();

      Symm_blk_var8( A, B, C, nb_alg );

      dtime = FLA_Clock() - dtime;

      if ( irep == 0 ) 
	dtime_best = dtime;
      else
	dtime_best = ( dtime < dtime_best ? dtime : dtime_best );
    }

    diff = FLA_Max_elemwise_diff( C, Cref );

    printf( "data_blk_var8( %d, 1:3 ) = [ %d %le  %le];\n", i, n,
            gflops / dtime_best, diff );
    fflush( stdout );
#endif


    FLA_Obj_free( &A );
    FLA_Obj_free( &B );
    FLA_Obj_free( &C );
    FLA_Obj_free( &Cref );
    FLA_Obj_free( &Cold );
    printf( "\n" );

    i++;
  }

  /* Print the MATLAB commands to plot the data */

  /* Delete all existing figures */
  printf( "close all\n" );

  /* Plot the performance of FLAME */
  printf( "plot( data_FLAME( :,1 ), data_FLAME( :, 2 ), 'k--' ); \n" );

  /* Indicate that you want to add to the existing plot */
  printf( "hold on\n" );

  /* Plot the performance of the reference implementation */
  //  printf( "plot( data_REF( :,1 ), data_REF( :, 2 ), 'k-' ); \n" );

  /* Plot the performance of your implementations */

#if TEST_UNB_VAR1==TRUE
  printf( "plot( data_unb_var1( :,1 ), data_unb_var1( :, 2 ), 'r-.' ); \n" );
#endif
#if TEST_UNB_VAR2==TRUE
  printf( "plot( data_unb_var2( :,1 ), data_unb_var2( :, 2 ), 'g-.' ); \n" );
#endif
#if TEST_UNB_VAR3==TRUE
  printf( "plot( data_unb_var3( :,1 ), data_unb_var3( :, 2 ), 'b-.' ); \n" );
#endif
#if TEST_UNB_VAR4==TRUE
  printf( "plot( data_unb_var4( :,1 ), data_unb_var4( :, 2 ), 'm-.' ); \n" );
#endif
#if TEST_UNB_VAR5==TRUE
  printf( "plot( data_unb_var5( :,1 ), data_unb_var5( :, 2 ), 'c-.' ); \n" );
#endif
#if TEST_UNB_VAR6==TRUE
  printf( "plot( data_unb_var6( :,1 ), data_unb_var6( :, 2 ), 'y-.' ); \n" );
#endif
#if TEST_UNB_VAR7==TRUE
  printf( "plot( data_unb_var7( :,1 ), data_unb_var7( :, 2 ), 'k-.' ); \n" );
#endif
#if TEST_UNB_VAR8==TRUE
  printf( "plot( data_unb_var8( :,1 ), data_unb_var8( :, 2 ), 'm:' ); \n" );
#endif
#if TEST_BLK_VAR1==TRUE
  printf( "plot( data_blk_var1( :,1 ), data_blk_var1( :, 2 ), 'r--' ); \n" );
#endif
#if TEST_BLK_VAR2==TRUE
  printf( "plot( data_blk_var2( :,1 ), data_blk_var2( :, 2 ), 'g--' ); \n" );
#endif
#if TEST_BLK_VAR3==TRUE
  printf( "plot( data_blk_var3( :,1 ), data_blk_var3( :, 2 ), 'b--' ); \n" );
#endif
#if TEST_BLK_VAR4==TRUE
  printf( "plot( data_blk_var4( :,1 ), data_blk_var4( :, 2 ), 'm--' ); \n" );
#endif
#if TEST_BLK_VAR5==TRUE
  printf( "plot( data_blk_var5( :,1 ), data_blk_var5( :, 2 ), 'c--' ); \n" );
#endif
#if TEST_BLK_VAR6==TRUE
  printf( "plot( data_blk_var6( :,1 ), data_blk_var6( :, 2 ), 'y--' ); \n" );
#endif
#if TEST_BLK_VAR7==TRUE
  printf( "plot( data_blk_var7( :,1 ), data_blk_var7( :, 2 ), 'k--' ); \n" );
#endif
#if TEST_BLK_VAR8==TRUE
  printf( "plot( data_blk_var8( :,1 ), data_blk_var8( :, 2 ), 'm-' ); \n" );
#endif

  printf( "hold on \n");

  printf( "xlabel( 'matrix dimension m=n' );\n");
  printf( "ylabel( 'GFLOPS/sec.' );\n");
  //  printf( "axis( [ 0 %d 0 %3.1f ] ); \n", nlast, max_gflops );
  printf( "legend( 'FLA Trsm', ...\n");
#if TEST_UNB_VAR1==TRUE
  printf( "        'unb var1', ...\n");
#endif
#if TEST_UNB_VAR2==TRUE
  printf( "        'unb var2', ...\n");
#endif
#if TEST_UNB_VAR3==TRUE
  printf( "        'unb var3', ...\n");
#endif
#if TEST_UNB_VAR4==TRUE
  printf( "        'unb var4', ...\n");
#endif
#if TEST_UNB_VAR5==TRUE
  printf( "        'unb var5', ...\n");
#endif
#if TEST_UNB_VAR6==TRUE
  printf( "        'unb var6', ...\n");
#endif
#if TEST_UNB_VAR7==TRUE
  printf( "        'unb var7', ...\n");
#endif
#if TEST_UNB_VAR8==TRUE
  printf( "        'unb var8', ...\n");
#endif
#if TEST_BLK_VAR1==TRUE
  printf( "        'blk var1', ...\n");
#endif
#if TEST_BLK_VAR2==TRUE
  printf( "        'blk var2', ...\n");
#endif
#if TEST_BLK_VAR3==TRUE
  printf( "        'blk var3', ...\n");
#endif
#if TEST_BLK_VAR4==TRUE
  printf( "        'blk var4', ...\n");
#endif
#if TEST_BLK_VAR5==TRUE
  printf( "        'blk var5', ...\n");
#endif
#if TEST_BLK_VAR6==TRUE
  printf( "        'blk var6', ...\n");
#endif
#if TEST_BLK_VAR7==TRUE
  printf( "        'blk var7', ...\n");
#endif
#if TEST_BLK_VAR8==TRUE
  printf( "        'blk var8', ...\n");
#endif
  printf( "         2 );\n");

  FLA_Finalize( );
}
コード例 #3
0
int Symm_blk_var5( FLA_Obj A, FLA_Obj B, FLA_Obj C, int nb_alg )
{
  FLA_Obj ATL,   ATR,      A00, A01, A02, 
          ABL,   ABR,      A10, A11, A12,
                           A20, A21, A22;

  FLA_Obj BT,              B0,
          BB,              B1,
                           B2;

  FLA_Obj CT,              C0,
          CB,              C1,
                           C2;

  int b;

  FLA_Part_2x2( A,    &ATL, &ATR,
                      &ABL, &ABR,     0, 0, FLA_TL );

  FLA_Part_2x1( B,    &BT, 
                      &BB,            0, FLA_TOP );

  FLA_Part_2x1( C,    &CT, 
                      &CB,            0, FLA_TOP );

  while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){

    b = min( FLA_Obj_length( ABR ), nb_alg );

    FLA_Repart_2x2_to_3x3( ATL, /**/ ATR,       &A00, /**/ &A01, &A02,
                        /* ************* */   /* ******************** */
                                                &A10, /**/ &A11, &A12,
                           ABL, /**/ ABR,       &A20, /**/ &A21, &A22,
                           b, b, FLA_BR );

    FLA_Repart_2x1_to_3x1( BT,                &B0, 
                        /* ** */            /* ** */
                                              &B1, 
                           BB,                &B2,        b, FLA_BOTTOM );

    FLA_Repart_2x1_to_3x1( CT,                &C0, 
                        /* ** */            /* ** */
                                              &C1, 
                           CB,                &C2,        b, FLA_BOTTOM );

    /*------------------------------------------------------------*/
	  
    // C2 = C2 + A21*B1;
    FLA_Gemm(FLA_NO_TRANSPOSE, FLA_NO_TRANSPOSE, FLA_ONE, A21, B1, FLA_ONE, C2);

    // C1 = C1 + A11*B1 + A21^T*B2;
    // FLA_Gemm(FLA_NO_TRANSPOSE, FLA_NO_TRANSPOSE, FLA_ONE, A11, B1, FLA_ONE, C1);
    FLA_Symm(FLA_LEFT, FLA_LOWER_TRIANGULAR, FLA_ONE, A11, B1, FLA_ONE, C1);
    FLA_Gemm(FLA_TRANSPOSE, FLA_NO_TRANSPOSE, FLA_ONE, A21, B2, FLA_ONE, C1);

    /*------------------------------------------------------------*/

    FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR,       A00, A01, /**/ A02,
                                                     A10, A11, /**/ A12,
                            /* ************** */  /* ****************** */
                              &ABL, /**/ &ABR,       A20, A21, /**/ A22,
                              FLA_TL );

    FLA_Cont_with_3x1_to_2x1( &BT,                B0, 
                                                  B1, 
                            /* ** */           /* ** */
                              &BB,                B2,     FLA_TOP );

    FLA_Cont_with_3x1_to_2x1( &CT,                C0, 
                                                  C1, 
                            /* ** */           /* ** */
                              &CB,                C2,     FLA_TOP );

  }

  return FLA_SUCCESS;
}
コード例 #4
0
ファイル: time_Symm.c プロジェクト: pgawron/tlash
void time_Symm( 
               int param_combo, int type, int nrepeats, int m, int n,
               FLA_Obj A, FLA_Obj B, FLA_Obj C, FLA_Obj C_ref,
               double *dtime, double *diff, double *gflops )
{
  int
    irep;

  double
    dtime_old = 1.0e9;

  FLA_Obj
    C_old;

  FLA_Obj_create_conf_to( FLA_NO_TRANSPOSE, C, &C_old );

  FLA_Copy_external( C, C_old );


  for ( irep = 0 ; irep < nrepeats; irep++ ){
    FLA_Copy_external( C_old, C );

    *dtime = FLA_Clock();

    switch( param_combo ){

    // Time parameter combination 0
    case 0:{
      switch( type ){
      case FLA_ALG_REFERENCE:
        REF_Symm( FLA_LEFT, FLA_LOWER_TRIANGULAR, FLA_ONE, A, B, FLA_ZERO, C );
        break;
      case FLA_ALG_FRONT:
        FLA_Symm( FLA_LEFT, FLA_LOWER_TRIANGULAR, FLA_ONE, A, B, FLA_ZERO, C );
        break;
      default:
        printf("trouble\n");
      }

      break;
    }

    // Time parameter combination 1
    case 1:{
      switch( type ){
      case FLA_ALG_REFERENCE:
        REF_Symm( FLA_LEFT, FLA_UPPER_TRIANGULAR, FLA_ONE, A, B, FLA_ZERO, C );
        break;
      case FLA_ALG_FRONT:
        FLA_Symm( FLA_LEFT, FLA_UPPER_TRIANGULAR, FLA_ONE, A, B, FLA_ZERO, C );
        break;
      default:
        printf("trouble\n");
      }

      break;
    }

    // Time parameter combination 2
    case 2:{
      switch( type ){
      case FLA_ALG_REFERENCE:
        REF_Symm( FLA_RIGHT, FLA_LOWER_TRIANGULAR, FLA_ONE, A, B, FLA_ZERO, C );
        break;
      case FLA_ALG_FRONT:
        FLA_Symm( FLA_RIGHT, FLA_LOWER_TRIANGULAR, FLA_ONE, A, B, FLA_ZERO, C );
        break;
      default:
        printf("trouble\n");
      }

      break;
    }

    // Time parameter combination 3
    case 3:{
      switch( type ){
      case FLA_ALG_REFERENCE:
        REF_Symm( FLA_RIGHT, FLA_UPPER_TRIANGULAR, FLA_ONE, A, B, FLA_ZERO, C );
        break;
      case FLA_ALG_FRONT:
        FLA_Symm( FLA_RIGHT, FLA_UPPER_TRIANGULAR, FLA_ONE, A, B, FLA_ZERO, C );
        break;
      default:
        printf("trouble\n");
      }

      break;
    }


    }
	
    *dtime = FLA_Clock() - *dtime;
    dtime_old = min( *dtime, dtime_old );
  }


  if ( type == FLA_ALG_REFERENCE )
  {
    FLA_Copy_external( C, C_ref );
    *diff = 0.0;
  }
  else
  {
    *diff = FLA_Max_elemwise_diff( C, C_ref );
  }

  *gflops = 2.0 * 
            FLA_Obj_length( C ) * 
            FLA_Obj_width( C ) * 
            FLA_Obj_width( A ) / 
            dtime_old / 
            1.0e9;

  if ( FLA_Obj_is_complex( C ) )
    *gflops *= 4.0;

  *dtime = dtime_old;

  FLA_Copy_external( C_old, C );

  FLA_Obj_free( &C_old );
}