[petsc-dev] ParMETIS change

[Eric Chamberland]

No "big" probleme here... just curious... I changed our code to use 
real_t and everything is fine now.  Just wanted to understand the 
reasons why it changed!

Thanks a lot!

Eric


On 13/09/17 10:07 AM, Balay, Satish wrote:
> What errors do you get? The primary code change was to use real_t 
> instead of PetscReal in calls to parmetis.
> 
> The change was done to make parmetis built by petsc be same as default 
> parmetis that others/distros might build.
> 
> And this enables consistent usage from quad build of petsc.
> 
> I can add –download-metis-double or similar option to configure – if useful.
> 
> Satish
> 
> *From: *Eric Chamberland <mailto:Eric.Chamberland at giref.ulaval.ca>
> *Sent: *Wednesday, September 13, 2017 8:41 AM
> *To: *petsc-dev <mailto:petsc-dev at mcs.anl.gov>
> *Subject: *[petsc-dev] ParMETIS change
> 
> Hi,
> 
> having trouble to compile our code with PETSc-master new defaults
> options for PARMEtis.
> 
> Parmetis was using double precision before...
> 
> By curiosity, is there a big performance gain to use float?
> 
> Thanks,
> 
> Eric
> 
>