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/* ========================================================================== */
/* === UMFPACK_report_symbolic ============================================== */
/* ========================================================================== */
/* -------------------------------------------------------------------------- */
/* UMFPACK Version 4.1 (Apr. 30, 2003), Copyright (c) 2003 by Timothy A. */
/* Davis. All Rights Reserved. See ../README for License. */
/* email: davis@cise.ufl.edu CISE Department, Univ. of Florida. */
/* web: http://www.cise.ufl.edu/research/sparse/umfpack */
/* -------------------------------------------------------------------------- */
/*
User-callable. Prints the Symbolic object. See umfpack_report_symbolic.h
for details. Does not print new Cdeg, Rdeg, Esize, and the Diagonal_map.
Dynamic memory usage: Allocates a size MAX (n_row,n_col)*sizeof(Int)
workspace via a single call to UMF_malloc and then frees all of it via
UMF_free on return. The workspace is not allocated if an early error
return occurs before the workspace is needed.
*/
#include "umf_internal.h"
#include "umf_valid_symbolic.h"
#include "umf_report_perm.h"
#include "umf_malloc.h"
#include "umf_free.h"
GLOBAL Int UMFPACK_report_symbolic
(
void *SymbolicHandle,
const double Control [UMFPACK_CONTROL]
)
{
Int n_row, n_col, nz, nchains, nfr, maxnrows, maxncols, prl,
k, chain, frontid, frontid1, frontid2, kk, *Chain_start, *W,
*Chain_maxrows, *Chain_maxcols, *Front_npivcol, *Front_1strow,
*Front_leftmostdesc, *Front_parent, done, status1, status2 ;
SymbolicType *Symbolic ;
prl = GET_CONTROL (UMFPACK_PRL, UMFPACK_DEFAULT_PRL) ;
if (prl <= 2)
{
return (UMFPACK_OK) ;
}
PRINTF (("Symbolic object: ")) ;
Symbolic = (SymbolicType *) SymbolicHandle ;
if (!UMF_valid_symbolic (Symbolic))
{
PRINTF (("ERROR: invalid\n")) ;
return (UMFPACK_ERROR_invalid_Symbolic_object) ;
}
n_row = Symbolic->n_row ;
n_col = Symbolic->n_col ;
nz = Symbolic->nz ;
nchains = Symbolic->nchains ;
nfr = Symbolic->nfr ;
maxnrows = Symbolic->maxnrows ;
maxncols = Symbolic->maxncols ;
Chain_start = Symbolic->Chain_start ;
Chain_maxrows = Symbolic->Chain_maxrows ;
Chain_maxcols = Symbolic->Chain_maxcols ;
Front_npivcol = Symbolic->Front_npivcol ;
Front_1strow = Symbolic->Front_1strow ;
Front_leftmostdesc = Symbolic->Front_leftmostdesc ;
Front_parent = Symbolic->Front_parent ;
if (prl >= 4)
{
PRINTF (("\n matrix to be factorized:\n")) ;
PRINTF (("\tn_row: "ID" n_col: "ID"\n", n_row, n_col)) ;
PRINTF (("\tnumber of entries: "ID"\n", nz)) ;
PRINTF ((" block size used for dense matrix kernels: "ID"\n",
Symbolic->nb)) ;
PRINTF ((" strategy used: ")) ;
/* strategy cannot be auto */
if (Symbolic->strategy == UMFPACK_STRATEGY_SYMMETRIC)
{
PRINTF (("symmetric")) ;
}
else if (Symbolic->strategy == UMFPACK_STRATEGY_UNSYMMETRIC)
{
PRINTF (("unsymmetric")) ;
}
else if (Symbolic->strategy == UMFPACK_STRATEGY_2BY2)
{
PRINTF (("symmetric 2-by-2")) ;
}
PRINTF (("\n")) ;
PRINTF ((" ordering used: ")) ;
if (Symbolic->ordering == UMFPACK_ORDERING_COLAMD)
{
PRINTF (("colamd on A\n")) ;
}
else if (Symbolic->ordering == UMFPACK_ORDERING_AMD)
{
PRINTF (("amd on A+A'\n")) ;
}
else if (Symbolic->ordering == UMFPACK_ORDERING_GIVEN)
{
PRINTF (("provided by user")) ;
}
PRINTF (("\n")) ;
PRINTF ((" performn column etree postorder: ")) ;
if (Symbolic->fixQ)
{
PRINTF (("no\n")) ;
}
else
{
PRINTF (("yes\n")) ;
}
PRINTF ((" prefer diagonal pivoting (attempt P=Q): ")) ;
if (Symbolic->prefer_diagonal)
{
PRINTF (("yes\n")) ;
}
else
{
PRINTF (("no\n")) ;
}
PRINTF ((" variable-size part of Numeric object:\n")) ;
PRINTF (("\tminimum initial size (Units): %.20g (MBytes): %.1f\n",
Symbolic->dnum_mem_init_usage,
MBYTES (Symbolic->dnum_mem_init_usage))) ;
PRINTF (("\testimated peak size (Units): %.20g (MBytes): %.1f\n",
Symbolic->num_mem_usage_est,
MBYTES (Symbolic->num_mem_usage_est))) ;
PRINTF (("\testimated final size (Units): %.20g (MBytes): %.1f\n",
Symbolic->num_mem_size_est,
MBYTES (Symbolic->num_mem_size_est))) ;
PRINTF ((" symbolic factorization memory usage (Units):"
" %.20g (MBytes): %.1f\n",
Symbolic->peak_sym_usage,
MBYTES (Symbolic->peak_sym_usage))) ;
PRINTF ((" frontal matrices / supercolumns:\n")) ;
PRINTF (("\tnumber of frontal chains: "ID"\n", nchains)) ;
PRINTF (("\tnumber of frontal matrices: "ID"\n", nfr)) ;
PRINTF (("\tlargest frontal matrix row dimension: "ID"\n", maxnrows)) ;
PRINTF (("\tlargest frontal matrix column dimension: "ID"\n",maxncols));
}
k = 0 ;
done = FALSE ;
for (chain = 0 ; chain < nchains ; chain++)
{
frontid1 = Chain_start [chain] ;
frontid2 = Chain_start [chain+1] - 1 ;
PRINTF4 (("\n Frontal chain: "ID". Frontal matrices "ID" to "ID"\n",
INDEX (chain), INDEX (frontid1), INDEX (frontid2))) ;
PRINTF4 (("\tLargest frontal matrix in Frontal chain: "ID"-by-"ID"\n",
Chain_maxrows [chain], Chain_maxcols [chain])) ;
for (frontid = frontid1 ; frontid <= frontid2 ; frontid++)
{
kk = Front_npivcol [frontid] ;
PRINTF4 (("\tFront: "ID" pivot cols: "ID" (pivot columns "ID" to "
ID")\n", INDEX (frontid), kk, INDEX (k), INDEX (k+kk-1))) ;
PRINTF4 (("\t pivot row candidates: "ID" to "ID"\n",
INDEX (Front_1strow [Front_leftmostdesc [frontid]]),
INDEX (Front_1strow [frontid+1]-1))) ;
PRINTF4 (("\t leftmost descendant: "ID"\n",
INDEX (Front_leftmostdesc [frontid]))) ;
PRINTF4 (("\t 1st new candidate row : "ID"\n",
INDEX (Front_1strow [frontid]))) ;
PRINTF4 (("\t parent:")) ;
if (Front_parent [frontid] == EMPTY)
{
PRINTF4 ((" (none)\n")) ;
}
else
{
PRINTF4 ((" "ID"\n", INDEX (Front_parent [frontid]))) ;
}
done = (frontid == 20 && frontid < nfr-1 && prl == 4) ;
if (done)
{
PRINTF4 (("\t...\n")) ;
break ;
}
k += kk ;
}
if (Front_npivcol [nfr] != 0)
{
PRINTF4 (("\tFront: "ID" placeholder for "ID" empty columns\n",
INDEX (nfr), Front_npivcol [nfr])) ;
}
if (done)
{
break ;
}
}
W = (Int *) UMF_malloc (MAX (n_row, n_col), sizeof (Int)) ;
if (!W)
{
PRINTF (("ERROR: out of memory to check Symbolic object\n\n")) ;
return (UMFPACK_ERROR_out_of_memory) ;
}
PRINTF4 (("\nInitial column permutation, Q1: ")) ;
status1 = UMF_report_perm (n_col, Symbolic->Cperm_init, W, prl, 0) ;
PRINTF4 (("\nInitial row permutation, P1: ")) ;
status2 = UMF_report_perm (n_row, Symbolic->Rperm_init, W, prl, 0) ;
(void) UMF_free ((void *) W) ;
if (status1 != UMFPACK_OK || status2 != UMFPACK_OK)
{
return (UMFPACK_ERROR_invalid_Symbolic_object) ;
}
PRINTF4 ((" Symbolic object: ")) ;
PRINTF (("OK\n\n")) ;
return (UMFPACK_OK) ;
}
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