Re: [OMPI users] Running on crashing nodes

I have have successfully used a perl program to start mpirun and record its PIDThe monitor can then watch the output from MPI and terminate the mpirun command with a series of kills or something if it is having trouble. One method of doing this is to prefix all legal output from your MPI

Re: [OMPI users] Memory affinity

On 9/27/2010 2:50 PM, David Singleton wrote: On 09/28/2010 06:52 AM, Tim Prince wrote: On 9/27/2010 12:21 PM, Gabriele Fatigati wrote: HI Tim, I have read that link, but I haven't understood if enabling processor affinity are enabled also memory affinity because is written that: "Note that

[OMPI users] mpi_in_place not working in mpi_allreduce

Dear all: I ran this simple fortran code and got unexpected result: ! program reduce implicit none include 'mpif.h' integer :: ierr, rank real*8 :: send(5) call mpi_init(ierr) call mpi_comm_rank(mpi_comm_world,rank,ierr) send = real(rank) print *,

Re: [OMPI users] Memory affinity

On 09/28/2010 06:52 AM, Tim Prince wrote: On 9/27/2010 12:21 PM, Gabriele Fatigati wrote: HI Tim, I have read that link, but I haven't understood if enabling processor affinity are enabled also memory affinity because is written that: "Note that memory affinity support is enabled only when

Re: [OMPI users] Memory affinity

On 9/27/2010 12:21 PM, Gabriele Fatigati wrote: HI Tim, I have read that link, but I haven't understood if enabling processor affinity are enabled also memory affinity because is written that: "Note that memory affinity support is enabled only when processor affinity is enabled" Can i set

Re: [OMPI users] Memory affinity

HI Tim, I have read that link, but I haven't understood if enabling processor affinity are enabled also memory affinity because is written that: "Note that memory affinity support is enabled only when processor affinity is enabled" Can i set processory affinity without memory affinity? This is

Re: [OMPI users] Memory affinity

On 9/27/2010 9:01 AM, Gabriele Fatigati wrote: if OpenMPI is numa-compiled, memory affinity is enabled by default? Because I didn't find memory affinity alone ( similar) parameter to set at 1. The FAQ http://www.open-mpi.org/faq/?category=tuning#using-paffinity has a useful

Re: [OMPI users] Memory affinity

Sorry, memory affinity is enabled by default setting mprocessor_affinity=1 in OpenMPI-numa? 2010/9/27 Gabriele Fatigati > Dear OpenMPI users, > > if OpenMPI is numa-compiled, memory affinity is enabled by default? Because > I didn't find memory affinity alone ( similar)

[OMPI users] Memory affinity

Dear OpenMPI users, if OpenMPI is numa-compiled, memory affinity is enabled by default? Because I didn't find memory affinity alone ( similar) parameter to set at 1. Thanks a lot. -- Ing. Gabriele Fatigati Parallel programmer CINECA Systems & Tecnologies Department Supercomputing Group

Re: [OMPI users] [openib] segfault when using openib btl

Ok there were no 0 value tags in your files. Are you running this with no eager RDMA? If not can you set the following options "-mca btl_openib_use_eager_rdma 0 -mca btl_openib_max_eager_rdma 0 -mca btl_openib_flags 1". thanks, --td Eloi Gaudry wrote: Terry, Please find enclosed the

Re: [OMPI users] [openib] segfault when using openib btl

Terry, Please find enclosed the requested check outputs (using -output-filename stdout.tag.null option). I'm displaying frag->hdr->tag here. Eloi On Monday 27 September 2010 16:29:12 Terry Dontje wrote: > Eloi, sorry can you print out frag->hdr->tag? > > Unfortunately from your last email I

Re: [OMPI users] [openib] segfault when using openib btl

Eloi, sorry can you print out frag->hdr->tag? Unfortunately from your last email I think it will still all have non-zero values. If that ends up being the case then there must be something odd with the descriptor pointer to the fragment. --td Eloi Gaudry wrote: Terry, Please find enclosed

Re: [OMPI users] Porting Open MPI to ARM: How essential is the opal_sys_timer_get_cycles() function?

On Sep 23, 2010, at 1:24 PM, Ken Mighell wrote: > Would a hack written in C suffice? Assembly is always better, but C should be fine. If you really want to, could you write it in C and have the compiler generate optimized assembly for you. -- Jeff Squyres jsquy...@cisco.com For corporate

Re: [OMPI users] [openib] segfault when using openib btl

Terry, Please find enclosed the requested check outputs (using -output-filename stdout.tag.null option). For information, Nysal In his first message referred to ompi/mca/pml/ob1/pml_ob1_hdr.h and said that hdr->tg value was wrnong on receiving side. #define MCA_PML_OB1_HDR_TYPE_MATCH

Re: [OMPI users] [openib] segfault when using openib btl

Terry, Please find enclosed the requested check outputs (using -output-filename stdout.tag.null option). For information, Nysal In his first message referred to ompi/mca/pml/ob1/pml_ob1_hdr.h and said that hdr->tg value was wrnong on receiving side. #define MCA_PML_OB1_HDR_TYPE_MATCH