Try: https://petsc.org/release/faq/#when-should-can-i-use-the-configure-option-with-64-bit-indices
Also best to use the current release 3.16 Satish On Thu, 13 Jan 2022, 佟莹 wrote: > Dear PETSc developers: > Recently the following problem appeared in my code: > > > [0]PETSC ERROR: --------------------- Error Message > -------------------------------------------------------------- > [0]PETSC ERROR: Overflow in integer operation: > http://www.mcs.anl.gov/petsc/documentation/faq.html#64-bit-indices > [0]PETSC ERROR: Mesh of 513 by 513 by 19 (dof) is too large for 32 bit indices > [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for > trouble shooting. > [0]PETSC ERROR: Petsc Release Version 3.6.1, Jul, 22, 2015 > [0]PETSC ERROR: runSimulation on a arch-linux2-c-opt named cn91 by hyper Thu > Jan 13 10:21:05 2022 > [0]PETSC ERROR: Configure options > prefix=/****/software/petsc/3.6.1-c-gcc4.9-mvapich2 --with-cc=mpicc > --with-cxx=mpicxx --with-fc=mpif90 --with-mpiexec=yhrun > --with-blas-lib=/****/software/lapack/3.8.0-gcc4.9/lib64/libblas.a > --with-lapack-lib=/***/software/lapack/3.8.0-gcc4.9/lib64/liblapack.a > --with-debugging=0 --with-shared-libraries > [0]PETSC ERROR: #1 DMSetUp_DA_3D() line 211 in > /****/project/petsc/petsc-3.6.1-gcc4.9.4-mvapich2/src/dm/impls/da/da3.c > [0]PETSC ERROR: #2 DMSetUp_DA() line 27 in > /****/project/petsc/petsc-3.6.1-gcc4.9.4-mvapich2/src/dm/impls/da/dareg.c > [0]PETSC ERROR: #3 DMSetUp() line 569 in > /****/project/petsc/petsc-3.6.1-gcc4.9.4-mvapich2/src/dm/interface/dm.c > [0]PETSC ERROR: #4 DMDACreate3d() line 1441 in > /****/project/petsc/petsc-3.6.1-gcc4.9.4-mvapich2/src/dm/impls/da/da3.c > > > However, the troubleshooting website mentioned in the tip no longer exists. > For this, I want your help. Hope you can tell me how can I troubleshoot the > above. Looking forward to hearing from you. > > > Sincerely, > > > > PETSc user > Ying Tong > > > > > > > > > > > > > > > > > > > | | > 佟莹 > | > | > [email protected] > | > 签名由网易邮箱大师定制
