[petsc-dev] memory leaks in BCGSL when using KSPReset()

[Satish Balay]

On Tue, 12 Apr 2011, Lisandro Dalcin wrote:

> After adding this test in petsc4py-dev/test/test_ksp.py :
> 
>     def testResetAndSolve(self):
>         self.ksp.reset()
>         self.testSolve()
>         self.ksp.reset()
>         self.testSolve()
>         self.ksp.reset()
> 
> it seems there is some memory bleeding:
> 
> [0]Total space allocated 256 bytes
> [ 0]80 bytes KSPSetUp_BCGSL() line 476 in
> /home/devel/petsc/dev/src/ksp/ksp/impls/bcgsl/bcgsl.c
>       [0]  KSPSetUp() line 184 in
> /home/devel/petsc/dev/src/ksp/ksp/interface/itfunc.c
>       [0]  KSPSolve() line 332 in
> /home/devel/petsc/dev/src/ksp/ksp/interface/itfunc.c
> 
> These are workspace arrays that are re-allocated at every KSPSetup_BCGSL call.
> 
> Not sure about the proper way to fix this, but I would deallocate the
> arrays at KSPReset_BCGSL. Can anyone help me with this?
> 
> 
> PS: Will we ever have petsc4py in the nightly builds? Is there
> something to be done from my side?

Sorry - will check on adding one..

Satish