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["Niclas Jansson" <njansson@xxxxxxxxxx>]

Yes, but the assert was triggerd by the global dimension of the function space ,  not the size of the dofmap on the mesh.

Create the vector with a size equal to the global (processor wise) dimension. 

----- Reply message -----
From: "Pietro Maximoff" <question116222@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, Jul 1, 2010 15:30
Subject: [Dolfin] [Question #116222]: MPI Problem
To: <dolfin@xxxxxxxxxxxxxxxxxxx>

Question #116222 on DOLFIN changed:
https://answers.launchpad.net/dolfin/+question/116222

    Status: Answered => Open

Pietro Maximoff is still having a problem:
--- On Thu, 7/1/10, Niclas Jansson <question116222@xxxxxxxxxxxxxxxxxxxxx> wrote:If I remember correctly, Vector v(N) creates a vector of global size
N. but mesh.num_vertices() returns the size of the local mesh.


Niclas

But in this instance,     mesh.num_vertices() == V.dofmap().dofs(mesh).size();
is true;
Pietro

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