[petsc-users] solve problem with pastix
hg
hgbk2008 at gmail.com
Tue Nov 5 15:09:28 CST 2019
Hello
I got crashed when using Pastix as solver for KSP. The error message looks
like:
....
NUMBER of BUBBLE 1
COEFMAX 1735566 CPFTMAX 0 BPFTMAX 0 NBFTMAX 0 ARFTMAX 0
** End of Partition & Distribution phase **
Time to analyze 0.225 s
Number of nonzeros in factorized matrix 708784076
Fill-in 12.2337
Number of operations (LU) 2.80185e+12
Prediction Time to factorize (AMD 6180 MKL) 394 s
0 : SolverMatrix size (without coefficients) 32.4 MB
0 : Number of nonzeros (local block structure) 365309391
Numerical Factorization (LU) :
0 : Internal CSC size 1.08 GB
Time to fill internal csc 6.66 s
--- Sopalin : Allocation de la structure globale ---
--- Fin Sopalin Init ---
--- Initialisation des tableaux globaux ---
sched_setaffinity: Invalid argument
[node083:165071] *** Process received signal ***
[node083:165071] Signal: Aborted (6)
[node083:165071] Signal code: (-6)
[node083:165071] [ 0] /lib64/libpthread.so.0(+0xf680)[0x2b8081845680]
[node083:165071] [ 1] /lib64/libc.so.6(gsignal+0x37)[0x2b8082191207]
[node083:165071] [ 2] /lib64/libc.so.6(abort+0x148)[0x2b80821928f8]
[node083:165071] [ 3]
/sdhome/bui/opt/petsc-3.11.0_ompi-3.0.0/lib/libpetsc.so.3.11(sopalin_launch_comm+0x0)[0x2b80a4124c9d]
[node083:165071] [ 4] Launching 1 threads (1 commputation, 0 communication,
0 out-of-core)
--- Sopalin : Local structure allocation ---
/sdhome/bui/opt/petsc-3.11.0_ompi-3.0.0/lib/libpetsc.so.3.11(D_sopalin_init_smp+0x29b)[0x2b80a40c39d2]
[node083:165071] [ 5]
/sdhome/bui/opt/petsc-3.11.0_ompi-3.0.0/lib/libpetsc.so.3.11(D_ge_sopalin_smp+0x68)[0x2b80a40cf4c2]
[node083:165071] [ 6]
/sdhome/bui/opt/petsc-3.11.0_ompi-3.0.0/lib/libpetsc.so.3.11(sopalin_launch_thread+0x4ba)[0x2b80a4124a31]
[node083:165071] [ 7]
/sdhome/bui/opt/petsc-3.11.0_ompi-3.0.0/lib/libpetsc.so.3.11(D_ge_sopalin_thread+0x94)[0x2b80a40d6170]
[node083:165071] [ 8]
/sdhome/bui/opt/petsc-3.11.0_ompi-3.0.0/lib/libpetsc.so.3.11(D_pastix_task_sopalin+0x5ad)[0x2b80a40b09a2]
[node083:165071] [ 9]
/sdhome/bui/opt/petsc-3.11.0_ompi-3.0.0/lib/libpetsc.so.3.11(d_pastix+0xa8a)[0x2b80a40b2325]
[node083:165071] [10]
/sdhome/bui/opt/petsc-3.11.0_ompi-3.0.0/lib/libpetsc.so.3.11(+0x63927b)[0x2b80a35bf27b]
[node083:165071] [11]
/sdhome/bui/opt/petsc-3.11.0_ompi-3.0.0/lib/libpetsc.so.3.11(MatLUFactorNumeric+0x19a)[0x2b80a32c7552]
[node083:165071] [12]
/sdhome/bui/opt/petsc-3.11.0_ompi-3.0.0/lib/libpetsc.so.3.11(+0xa46c09)[0x2b80a39ccc09]
[node083:165071] [13]
/sdhome/bui/opt/petsc-3.11.0_ompi-3.0.0/lib/libpetsc.so.3.11(PCSetUp+0x311)[0x2b80a3a8f1a9]
[node083:165071] [14]
/sdhome/bui/opt/petsc-3.11.0_ompi-3.0.0/lib/libpetsc.so.3.11(KSPSetUp+0xbf7)[0x2b80a3b46e81]
[node083:165071] [15]
/sdhome/bui/opt/petsc-3.11.0_ompi-3.0.0/lib/libpetsc.so.3.11(KSPSolve+0x210)[0x2b80a3b4746e]
Does anyone have an idea what is the problem and how to fix it? The PETSc
parameters I used are as below:
-pc_type lu
-pc_factor_mat_solver_package pastix
-mat_pastix_verbose 2
-mat_pastix_threadnbr 1
Giang
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