Re: [OMPI users] OMPI 4.0.1 valgrind error on simple MPI_Send()

2019-04-30 Thread David Mathog via users
On 30-Apr-2019 11:39, George Bosilca wrote: Depending on the alignment of the different types there might be small holes in the low-level headers we exchange between processes It should not be a concern for users. valgrind should not stop on the first detected issue except if --exit-on-first-e

Re: [OMPI users] OMPI 4.0.1 valgrind error on simple MPI_Send()

2019-04-30 Thread George Bosilca via users
Depending on the alignment of the different types there might be small holes in the low-level headers we exchange between processes It should not be a concern for users. valgrind should not stop on the first detected issue except if --exit-on-first-error has been provided (the default value should

[OMPI users] OMPI 4.0.1 valgrind error on simple MPI_Send()

2019-04-30 Thread David Mathog via users
Attempting to debug a complex program (99.9% of which is others' code) which stops running when run in valgrind as follows: mpirun -np 10 \ --hostfile /usr/common/etc/openmpi.machines.LINUX_INTEL_newsaf_rev2 \ --mca plm_rsh_agent rsh \ /usr/bin/valgrind \ --leak-check=full \ --leak-