SUBROUTINE ZTIMTP( LINE, NN, NVAL, NNS, NSVAL, LA, TIMMIN, A, B, $ RESLTS, LDR1, LDR2, LDR3, NOUT ) * * -- LAPACK timing routine (version 3.0) -- * Univ. of Tennessee, Univ. of California Berkeley, NAG Ltd., * Courant Institute, Argonne National Lab, and Rice University * March 31, 1993 * * .. Scalar Arguments .. CHARACTER*80 LINE INTEGER LA, LDR1, LDR2, LDR3, NN, NNS, NOUT DOUBLE PRECISION TIMMIN * .. * .. Array Arguments .. INTEGER NSVAL( * ), NVAL( * ) DOUBLE PRECISION RESLTS( LDR1, LDR2, LDR3, * ) COMPLEX*16 A( * ), B( * ) * .. * * Purpose * ======= * * ZTIMTP times ZTPTRI and -TRS. * * Arguments * ========= * * LINE (input) CHARACTER*80 * The input line that requested this routine. The first six * characters contain either the name of a subroutine or a * generic path name. The remaining characters may be used to * specify the individual routines to be timed. See ATIMIN for * a full description of the format of the input line. * * NN (input) INTEGER * The number of values of N contained in the vector NVAL. * * NVAL (input) INTEGER array, dimension (NN) * The values of the matrix size N. * * NNS (input) INTEGER * The number of values of NRHS contained in the vector NSVAL. * * NSVAL (input) INTEGER array, dimension (NNS) * The values of the number of right hand sides NRHS. * * LA (input) INTEGER * The size of the arrays A and B. * * TIMMIN (input) DOUBLE PRECISION * The minimum time a subroutine will be timed. * * A (workspace) COMPLEX*16 array, dimension (LA) * * B (workspace) COMPLEX*16 array, dimension (NMAX*NMAX) * where NMAX is the maximum value of N in NVAL. * * RESLTS (output) DOUBLE PRECISION array, dimension * (LDR1,LDR2,LDR3,NSUBS) * The timing results for each subroutine over the relevant * values of N. * * LDR1 (input) INTEGER * The first dimension of RESLTS. LDR1 >= 1. * * LDR2 (input) INTEGER * The second dimension of RESLTS. LDR2 >= max(1,NN). * * LDR3 (input) INTEGER * The third dimension of RESLTS. LDR3 >= 2. * * NOUT (input) INTEGER * The unit number for output. * * ===================================================================== * * .. Parameters .. INTEGER NSUBS PARAMETER ( NSUBS = 2 ) * .. * .. Local Scalars .. CHARACTER UPLO CHARACTER*3 PATH CHARACTER*6 CNAME INTEGER I, IC, ICL, IN, INFO, ISUB, IUPLO, LDA, LDB, $ MAT, N, NRHS DOUBLE PRECISION OPS, S1, S2, TIME, UNTIME * .. * .. Local Arrays .. LOGICAL TIMSUB( NSUBS ) CHARACTER UPLOS( 2 ) CHARACTER*6 SUBNAM( NSUBS ) INTEGER IDUMMY( 1 ), LAVAL( 1 ) * .. * .. External Functions .. LOGICAL LSAME DOUBLE PRECISION DMFLOP, DOPLA, DSECND EXTERNAL LSAME, DMFLOP, DOPLA, DSECND * .. * .. External Subroutines .. EXTERNAL ATIMCK, ATIMIN, DPRTBL, ZTIMMG, ZTPTRI, ZTPTRS * .. * .. Intrinsic Functions .. INTRINSIC DBLE, MOD * .. * .. Data statements .. DATA SUBNAM / 'ZTPTRI', 'ZTPTRS' / DATA UPLOS / 'U', 'L' / * .. * .. Executable Statements .. * * Extract the timing request from the input line. * PATH( 1: 1 ) = 'Zomplex precision' PATH( 2: 3 ) = 'TP' CALL ATIMIN( PATH, LINE, NSUBS, SUBNAM, TIMSUB, NOUT, INFO ) IF( INFO.NE.0 ) $ GO TO 100 * * Check that N*(N+1)/2 <= LA for the input values. * CNAME = LINE( 1: 6 ) LAVAL( 1 ) = LA CALL ATIMCK( 4, CNAME, NN, NVAL, 1, LAVAL, NOUT, INFO ) IF( INFO.GT.0 ) THEN WRITE( NOUT, FMT = 9999 )CNAME GO TO 100 END IF * * Do first for UPLO = 'U', then for UPLO = 'L' * DO 70 IUPLO = 1, 2 UPLO = UPLOS( IUPLO ) IF( LSAME( UPLO, 'U' ) ) THEN MAT = 12 ELSE MAT = -12 END IF * * Do for each value of N: * DO 60 IN = 1, NN N = NVAL( IN ) LDA = N*( N+1 ) / 2 LDB = N IF( MOD( N, 2 ).EQ.0 ) $ LDB = LDB + 1 * * Time ZTPTRI * IF( TIMSUB( 1 ) ) THEN CALL ZTIMMG( MAT, N, N, A, LDA, 0, 0 ) IC = 0 S1 = DSECND( ) 10 CONTINUE CALL ZTPTRI( UPLO, 'Non-unit', N, A, INFO ) S2 = DSECND( ) TIME = S2 - S1 IC = IC + 1 IF( TIME.LT.TIMMIN ) THEN CALL ZTIMMG( MAT, N, N, A, LDA, 0, 0 ) GO TO 10 END IF * * Subtract the time used in ZTIMMG. * ICL = 1 S1 = DSECND( ) 20 CONTINUE S2 = DSECND( ) UNTIME = S2 - S1 ICL = ICL + 1 IF( ICL.LE.IC ) THEN CALL ZTIMMG( MAT, N, N, A, LDA, 0, 0 ) GO TO 20 END IF * TIME = ( TIME-UNTIME ) / DBLE( IC ) OPS = DOPLA( 'ZTPTRI', N, N, 0, 0, 0 ) RESLTS( 1, IN, IUPLO, 1 ) = DMFLOP( OPS, TIME, INFO ) ELSE * * Generate a triangular matrix A. * CALL ZTIMMG( MAT, N, N, A, LDA, 0, 0 ) END IF * * Time ZTPTRS * IF( TIMSUB( 2 ) ) THEN DO 50 I = 1, NNS NRHS = NSVAL( I ) CALL ZTIMMG( 0, N, NRHS, B, LDB, 0, 0 ) IC = 0 S1 = DSECND( ) 30 CONTINUE CALL ZTPTRS( UPLO, 'No transpose', 'Non-unit', N, $ NRHS, A, B, LDB, INFO ) S2 = DSECND( ) TIME = S2 - S1 IC = IC + 1 IF( TIME.LT.TIMMIN ) THEN CALL ZTIMMG( 0, N, NRHS, B, LDB, 0, 0 ) GO TO 30 END IF * * Subtract the time used in ZTIMMG. * ICL = 1 S1 = DSECND( ) 40 CONTINUE S2 = DSECND( ) UNTIME = S2 - S1 ICL = ICL + 1 IF( ICL.LE.IC ) THEN CALL ZTIMMG( 0, N, NRHS, B, LDB, 0, 0 ) GO TO 40 END IF * TIME = ( TIME-UNTIME ) / DBLE( IC ) OPS = DOPLA( 'ZTPTRS', N, NRHS, 0, 0, 0 ) RESLTS( I, IN, IUPLO, 2 ) = DMFLOP( OPS, TIME, INFO ) 50 CONTINUE END IF 60 CONTINUE 70 CONTINUE * * Print a table of results. * DO 90 ISUB = 1, NSUBS IF( .NOT.TIMSUB( ISUB ) ) $ GO TO 90 WRITE( NOUT, FMT = 9998 )SUBNAM( ISUB ) DO 80 IUPLO = 1, 2 WRITE( NOUT, FMT = 9997 )SUBNAM( ISUB ), UPLOS( IUPLO ) IF( ISUB.EQ.1 ) THEN CALL DPRTBL( ' ', 'N', 1, IDUMMY, NN, NVAL, 1, $ RESLTS( 1, 1, IUPLO, 1 ), LDR1, LDR2, NOUT ) ELSE IF( ISUB.EQ.2 ) THEN CALL DPRTBL( 'NRHS', 'N', NNS, NSVAL, NN, NVAL, 1, $ RESLTS( 1, 1, IUPLO, 2 ), LDR1, LDR2, NOUT ) END IF 80 CONTINUE 90 CONTINUE * 100 CONTINUE 9999 FORMAT( 1X, A6, ' timing run not attempted', / ) 9998 FORMAT( / ' *** Speed of ', A6, ' in megaflops ***', / ) 9997 FORMAT( 5X, A6, ' with UPLO = ''', A1, '''', / ) RETURN * * End of ZTIMTP * END