[petsc-users] PetscTableCreateHashSize

[Satish Balay]

We can add more entries to the lookup. The stack below looks
incomplete. Which routine is calling PetscTableCreateHashSize() with
this big size?

Satish

-------
$ git diff
diff --git a/src/sys/utils/ctable.c b/src/sys/utils/ctable.c
index cd64284..761a2c6 100644
--- a/src/sys/utils/ctable.c
+++ b/src/sys/utils/ctable.c
@@ -25,6 +25,7 @@ static PetscErrorCode PetscTableCreateHashSize(PetscInt sz, PetscInt *hsz)
   else if (sz < 819200)  *hsz = 1193557;
   else if (sz < 1638400) *hsz = 2297059;
   else if (sz < 3276800) *hsz = 4902383;
+  else if (sz < 6553600) *hsz = 9179113;
   else SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"A really huge hash is being requested.. cannot process: %D",sz);
   PetscFunctionReturn(0);
 }

On Mon, 9 Jan 2017, Kong, Fande wrote:

> Hi All,
> 
> Hash size is set manually according to the number of expected keys in the
> function PetscTableCreateHashSize(). Any reason to restrict the
> ``n"<3276800?
> 
> One user here encountered an issue because of this restriction. The
> messages are as follows:
> 
> [3]PETSC ERROR: --------------------- Error Message
> --------------------------------------------------------------
> 
> [3]PETSC ERROR: Argument out of range
> 
> [3]PETSC ERROR: A really huge hash is being requested.. cannot process:
> 3497472
> 
> [3]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
> trouble shooting.
> 
> [3]PETSC ERROR: Petsc Release Version 3.7.4, unknown
> 
> [3]PETSC ERROR: /home/schuseba/projects/64_bit_builds/yak/yak-opt on a
> linux-gnu-c-opt named r3i3n0 by schuseba Fri Jan  6 23:15:37 2017
> 
> [3]PETSC ERROR: Configure options --download-hypre=1 --with-ssl=0
> --with-debugging=no --with-pic=1 --with-shared-libraries=1
> --with-64-bit-indices=1 --with-cc=mpicc --with-cxx=mpicxx --with-fc=mpif90
> --download-metis=1 --download-parmetis=1 --download-fblaslapack=1
> --download-superlu_dist=1 -CC=mpicc -CXX=mpicxx -FC=mpif90 -F77=mpif77
> -F90=mpif90 -CFLAGS="-fPIC -fopenmp" -CXXFLAGS="-fPIC -fopenmp"
> -FFLAGS="-fPIC -fopenmp" -FCFLAGS="-fPIC -fopenmp" -F90FLAGS="-fPIC
> -fopenmp" -F77FLAGS="-fPIC -fopenmp"
> 
> [3]PETSC ERROR: #1 PetscTableCreateHashSize() line 28 in
> /home/schuseba/projects/64_bit_builds/petsc/src/sys/utils/ctable.c
> 
> 
> 
> 
> 
> Fande,
>