<div dir="ltr"><div dir="ltr">On Thu, Dec 9, 2021 at 7:53 PM Alberto F. Martín <<a href="mailto:amartin@cimne.upc.edu">amartin@cimne.upc.edu</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Dear PETSc users,<br>
<br>
I am experiencing the following error during numerical factorization <br>
while using the MUMPS package.<br>
<br>
It seems an internal memory error in the DMUMPS_ALLOC_CB function. Has <br>
anyone experienced this before? Any clue how this can be solved?<br></blockquote><div><br></div><div>I have not seen that before. It looks like an allocation failed for MUMPS, but it is not a nice</div><div>error, and does not succumb to Google. I would mail the MUMPS developers for this one.</div><div><br></div><div> Thanks,</div><div><br></div><div> Matt</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
Thanks!<br>
<br>
Best regards,<br>
<br>
Alberto.<br>
<br>
Entering DMUMPS 5.3.5 from C interface with JOB, N = 1 2359298<br>
executing #MPI = 2 and #OMP = 24<br>
<br>
=================================================<br>
MUMPS compiled with option -DGEMMT_AVAILABLE<br>
MUMPS compiled with option -Dmetis<br>
MUMPS compiled with option -Dparmetis<br>
MUMPS compiled with option -Dptscotch<br>
MUMPS compiled with option -Dscotch<br>
MUMPS compiled with option -DBLR_MT<br>
This MUMPS version includes code for SAVE_RESTORE<br>
This MUMPS version includes code for DIST_RHS<br>
=================================================<br>
L U Solver for unsymmetric matrices<br>
Type of parallelism: Working host<br>
<br>
****** ANALYSIS STEP ********<br>
<br>
** Maximum transversal (ICNTL(6)) not allowed because matrix is <br>
distributed<br>
Using ParMETIS for parallel ordering.<br>
Structural symmetry is: 92%<br>
A root of estimated size 3480 has been selected for Scalapack.<br>
<br>
Leaving analysis phase with ...<br>
INFOG(1) = 0<br>
INFOG(2) = 0<br>
-- (20) Number of entries in factors (estim.) = 548486696<br>
-- (3) Real space for factors (estimated) = 548486696<br>
-- (4) Integer space for factors (estimated) = 23032397<br>
-- (5) Maximum frontal size (estimated) = 4991<br>
-- (6) Number of nodes in the tree = 173314<br>
-- (32) Type of analysis effectively used = 2<br>
-- (7) Ordering option effectively used = 2<br>
ICNTL(6) Maximum transversal option = 0<br>
ICNTL(7) Pivot order option = 7<br>
ICNTL(14) Percentage of memory relaxation = 50000<br>
Number of level 2 nodes = 2<br>
Number of split nodes = 0<br>
RINFOG(1) Operations during elimination (estim)= 5.292D+11<br>
Distributed matrix entry format (ICNTL(18)) = 3<br>
<br>
MEMORY ESTIMATIONS ...<br>
Estimations with standard Full-Rank (FR) factorization:<br>
Maximum estim. space in Mbytes, IC facto. (INFOG(16)): 1246959<br>
Total space in MBytes, IC factorization (INFOG(17)): 2416245<br>
Maximum estim. space in Mbytes, OOC facto. (INFOG(26)): 190319<br>
Total space in MBytes, OOC factorization (INFOG(27)): 379897<br>
<br>
Elapsed time in analysis driver= 30.7962<br>
<br>
Entering DMUMPS 5.3.5 from C interface with JOB, N = 2 2359298<br>
executing #MPI = 2 and #OMP = 24<br>
<br>
****** FACTORIZATION STEP ********<br>
<br>
><br>
> GLOBAL STATISTICS PRIOR NUMERICAL FACTORIZATION ...<br>
> Number of working processes = 2<br>
> ICNTL(22) Out-of-core option = 0<br>
> ICNTL(35) BLR activation (eff. choice) = 0<br>
> ICNTL(14) Memory relaxation = 50000<br>
> INFOG(3) Real space for factors (estimated)= 548486696<br>
> INFOG(4) Integer space for factors (estim.)= 23032397<br>
> Maximum frontal size (estimated) = 4991<br>
> Number of nodes in the tree = 173314<br>
> Memory allowed (MB -- 0: N/A ) = 0<br>
> Memory provided by user, sum of LWK_USER = 0<br>
> Relative threshold for pivoting, CNTL(1) = 0.1000D-01<br>
> Max difference from 1 after scaling the entries for ONE-NORM (option <br>
> 7/8) = 0.95D+00<br>
> Average Effective size of S (based on INFO(39))= 150930257964<br>
><br>
> Redistrib: total data local/sent = 37911993 60007025<br>
><br>
> Elapsed time to reformat/distribute matrix = 2.3306<br>
> Problem with integer stack size 1 1 13<br>
> Internal error in DMUMPS_ALLOC_CB T 15 6090000<br>
<br>
<br>
<br>
<br>
-- <br>
Alberto F. Martín-Huertas<br>
Senior Researcher, PhD. Computational Science<br>
Centre Internacional de Mètodes Numèrics a l'Enginyeria (CIMNE)<br>
Parc Mediterrani de la Tecnologia, UPC<br>
Esteve Terradas 5, Building C3, Office 215,<br>
08860 Castelldefels (Barcelona, Spain)<br>
Tel.: (+34) 9341 34223<br>
<a href="mailto:e-mail%3Aamartin@cimne.upc.edu" target="_blank">e-mail:amartin@cimne.upc.edu</a><br>
<br>
FEMPAR project co-founder<br>
web: <a href="http://www.fempar.org" rel="noreferrer" target="_blank">http://www.fempar.org</a><br>
<br>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>-- Norbert Wiener</div><div><br></div><div><a href="http://www.cse.buffalo.edu/~knepley/" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><br></div></div></div></div></div></div></div></div>