[petsc-dev] petsc patch number

[Jed Brown]

"Kong, Fande" <fande.kong at inl.gov> writes:
>> >  It is not that trivial for me to update all user side applications
>> > with petsc. We therefore avoid updating petsc frequently.
>>
>> You appear to have basic misunderstanding about petsc patch
>> releases. As Jed mentioned the API is not supporsed to change with
>> patch releases so you shouldn't have to 'update user side
>> applications'.
>>
>
> I know that APIs do not change, but this does not mean that numerical
> behaviors  will stay the same.

I don't know if exact numerical reproducibility is a firm commitment we
want PETSc to make for patch releases (would be worth discussing), but I
think it is usually true.  There are no output changes from v3.7.5 to
current 'maint'.
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