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Sam White

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08/17/2017

02:26 PM Charm++ Bug #1659: Cleanup DDT memory leaks / valgrind output
Here's the valgrind output from PE 1 after migrating a single AMPI rank from PE 0 to PE 1.
02:03 PM Charm++ Bug #1659: Cleanup DDT memory leaks / valgrind output
I'm using DDT after all dynamic memory allocation inside the CkDDT_DataType classes has been replaced with std::vecto...
02:01 PM Charm++ Bug #1659: Cleanup DDT memory leaks / valgrind output
When we migrate only 1 rank from PE 0 to PE 1, only the valgrind output from PE 1 shows the DDT leaks. PE 0 is clean.
01:59 PM Charm++ Bug #1659 (New): Cleanup DDT memory leaks / valgrind output
DDT causes a lot of noise in Valgrind output when migrating AMPI ranks. I haven't been able to find the source of its...

08/12/2017

07:09 PM Charm++ Documentation #1482 (Merged): Update Charm++ FAQ
07:09 PM Charm++ Documentation #1602 (Merged): FAQ: 5 . 0 . 3 Can I use TotalView?
07:09 PM Charm++ Documentation #1605 (Merged): FAQ: 6 . 0 . 8 Which C++ language features cause porting problems?

08/10/2017

12:09 PM Charm++ Bug #1634: HDF5 issues in AMPI
I'd like to know to know if it is building on AMPI yet, or if it requires any MPI-2 or MPI-3 features we don't have i...

08/09/2017

11:33 AM Charm++ Feature #1655: Enable use of pxshm/xpmem on mpi and verbs builds
Also, './build charm++ gni-crayxe xpmem' fails to build because it tries to build pxshm and xpmem both for some reason.
09:23 AM Charm++ Feature #1657 (New): pxshm/xpmem support for nocopy sends across processes on the same host
It should be straightforward to implement this at least for the transfer of the nocopy payload: the small metadata me...

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