Re: [OMPI users] built-in memchecker support

2017-08-24 Thread Dave Love
Gilles Gouaillardet writes: > Dave, > > the builtin memchecker can detect MPI usage errors such as modifying > the buffer passed to MPI_Isend() before the request completes OK, thanks. The implementation looks rather different, and it's not clear without checking the code in detail how it diffe

Re: [OMPI users] built-in memchecker support

2017-08-24 Thread Dave Love
Christoph Niethammer writes: > Hi Dave, > > The memchecker interface is an addition which allows other tools to be > used as well. Do you mean it allows other things to be hooked in other than through PMPI? > A more recent one is memPin [1]. Thanks, but Pin is proprietary, so it's no use as an

Re: [OMPI users] built-in memchecker support

2017-08-24 Thread Gilles Gouaillardet
0-0-45-1397615-p175067491 > > > > - Original Message - > From: "Dave Love" > To: "Open MPI Users" > Sent: Thursday, August 24, 2017 1:22:17 PM > Subject: [OMPI users] built-in memchecker support > > Apropos configuration parameters for packa

Re: [OMPI users] built-in memchecker support

2017-08-24 Thread Christoph Niethammer
17 PM Subject: [OMPI users] built-in memchecker support Apropos configuration parameters for packaging: Is there a significant benefit to configuring built-in memchecker support, rather than using the valgrind preload library? I doubt being able to use another PMPI tool directly at the same tim

[OMPI users] built-in memchecker support

2017-08-24 Thread Dave Love
Apropos configuration parameters for packaging: Is there a significant benefit to configuring built-in memchecker support, rather than using the valgrind preload library? I doubt being able to use another PMPI tool directly at the same time counts. Also, are there measurements of the performance