I'm using openmpi 1.2.5 with a QLogic HCA and using the
openib btl (not PSM). osu_latency and osu_bw work OK but
when I run osu_bibw with a message size of 2MB (1<<21),
it hangs in btl_openib_component_progress() waiting for something.
I tried adding printfs at each point where ibv_post_send(),
i
The patch I send few minutes ago will only remove the problem for Open
MPI. However, their generic test for contiguous data types is still
broken. Only checking for COMBINER_NAMED is clearly not enough. A
second test checking that the size and the extent of the data types
are equal will mak
Here is sketch of a ROMIO patch for Open MPI. I just wrote it, I
didn't had time to test it. If you can test it please let me know if
this solve the problem.
Thanks,
george.
Index: iscontig.c
===
--- iscontig.c (revision
Hi everyone,
All the problems detected last time PML V has been enabled in trunk
have been fixed. We invite you to give it a try (add a .ompi_unignore
in ompi/mca/pml/v) on your favorite platform and compilation options
and report any issues you may encounter. If none are detected, we plan
I'm going to "re-integrate" Jeff and Brian's comments into one reponse.
I have no problem with either of their observations. I only included the
event library, backtrace, and PLPA in my list for completeness. I expected
we would continue to treat those as we are, recognizing that this means
-someo
Hi George,
Good, if You come to the same conclusion with regard to romio using
MPI_Type_size internally in RomIO...
So taking iscontig.c ,-]
/* This function needs more work. It should check for contiguity
in other cases as well.*/
and mail to the romio list or have a specialized vers
MPI_Type_size is supposed to return only the size of useful data,
which apparently it does (MPI_SHORT_INT is 6 bytes). What I think it
happens is that the MPI_SHORT_INT type is a predefined one, but it's a
really strange predefined type. It's one of the few that are not
contiguous. The prob
Terry -- I reluctantly agree. :-) What I envision is not difficult
(a first cut/feature-lean version is probably only several hundred
lines of perl?), but I don't have the cycles (at present) to implement
it -- my priorities are elsewhere at the moment.
If anyone is interested in this, I
Hello!
I tested openMPI at HLRS for some time without detecting new problems in the
implementation but now I recognized some awful ones with MPI_Write which can
lead to data los:
When creating a struct for a mixed datatype like
struct {
short a;
int b;
}
the C-compiler introduce a gap of
On Fri, 8 Feb 2008, Ralph Castain wrote:
1. event library
2. ROMIO
3. VT
4. backtrace
5. PLPA - this one is a little less obvious, but still being released as a
separate package
6. libNBC
Sorry to Ralph, but I clipped everything from his e-mail, then am going to
make references to it. oh wel
On Feb 8, 2008, at 10:38 AM, Ralph Castain wrote:
I thought maybe we should move this to another thread as it really
isn't
about Torsten's specific RFC.
I just took a quick gander at the code base to see how extensive this
problem might really be per Terry's concern. What I found was that
w
I know that Argonne was engaged at some level to help with the OMPI
ROMIO integration -- was it on a formal or informal basis?
On Feb 7, 2008, at 12:02 PM, Ralph H Castain wrote:
I just -know- this is everyone's favorite subject, but...
Brian used to take care of the ROMIO code in Open MPI,
I thought maybe we should move this to another thread as it really isn't
about Torsten's specific RFC.
I just took a quick gander at the code base to see how extensive this
problem might really be per Terry's concern. What I found was that we have
added 3rd party code in several places. How we wan
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