On 2020-06-01 22:50, Alastair McKinstry wrote:
Openmpi is in 64-bit mode when -m64 is set, which it is by default on
amd64 (and I believe the equivalent for lp64 on arm64, mips64).
Oh ok, I didn't realise OpenMPI was already built with 64-bit
capability. I was thinking it would have to be pr
On 01/06/2020 13:13, Drew Parsons wrote:
> Source: openmpi
> Followup-For: Bug #961108
>
> I should mention that MUMPS has two levels of 64-bit support.
>
> -DPORD_INTSIZE64 provides 64-bit indexing to matrices, while general
> integers remain 32 bit. This level works with standard (32 bit) BLA
Source: openmpi
Followup-For: Bug #961108
I should mention that MUMPS has two levels of 64-bit support.
-DPORD_INTSIZE64 provides 64-bit indexing to matrices, while general
integers remain 32 bit. This level works with standard (32 bit) BLAS
and MPI.
64-bit PETSc does the same (64-bit used for
Hi Gard, bringing this question over to petsc bug#953116.
On 2020-05-20 17:07, Gard Spreemann wrote:
Drew Parsons writes:
If I understand correctly, it's dangerous to simply enable 64-bit in
PETSc alone. It needs to be done all along the computational library
stack.
In the case of PETSc, i
Source: openmpi
Severity: normal
Bug#953116 requests that petsc be built with 64 bit support for node
indices (for addressing arrays and datasets, not simply 64-bit double).
That's fair enough, it would enable massive systems to be modelled
with our software. Coronavirus protein-membrane docking,
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