On Wed, Oct 12, 2005 at 07:06:54PM +0100, Ashley Pittman wrote:
> As it turns out I'm in a position to measure this fairly easily, our MPI
> sits on top of a library called libelan, this does all the tag matching
> at a very low level, all MPI does is convert the communicator into a bit
> pattern,
On Wed, Oct 12, 2005 at 12:05:13PM +0100, Ashley Pittman wrote:
> Thirdly is the performance issue, any MPI vendor worth his salt tries
> very hard to reduce the number of function calls and library's between
> the application and the network, adding another one is a step in the
> wrong direction.
Robert G. Brown wrote:
> Ashley Pittman writes:
>
>> Personnel I think a MPI ABI would be a good thing however this is not
>> the way to do it.
>
>
> And this is exactly right. Futhermore, we all know the right way to do
> it. It is for a new governing body or consortium to be established (or
Ashley Pittman wrote:
> The second problem is that of linking, most MPI vendors already have
> MPI_Init in their own library, having another library with it's own
> wrapper MPI_Init in it is going to lead to a whole world of pain to do
> with dynamic linking and symbol resolution. This is not som
