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Matthias Diener

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08/10/2017

12:44 PM Charm++ Bug #1634: HDF5 issues in AMPI
I have a patch to update romio to 1.2.6 (shipped with last version of mpich1) that compiles successfully with the cur...

08/08/2017

02:46 PM Charm++ Documentation #1082 (Merged): Improve SMP mode documentation

08/04/2017

05:46 PM Charm++ Documentation #1596 (Merged): FAQ: 2 . 0 . 7 How do I specify the processors I want to use?

08/01/2017

02:58 PM Charm++ Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
https://charm.cs.illinois.edu/gerrit/#/c/2849/ works around this issue.
02:58 PM Charm++ Bug #1640 (Implemented): Segfault during migration for AMPI in SMP mode with "-tracemode projecti...
10:14 PM Charm++ Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
Edit:
Applying https://charm.cs.illinois.edu/gerrit/#/c/2849/ and compiling with -DAMPI_LOCAL_IMPL=0 indeed seems ...

07/31/2017

06:20 PM Charm++ Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
I also tried with netlrts-darwin-x86_64-smp. Could you post your full build line? Maybe there is an issue with argume...
04:04 PM Charm++ Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
Does disabling inline messaging fix this bug? If yes, should we disable inline messaging also when CMK_TRACE_ENABLED ...
11:55 AM Charm++ Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
I bisected this bug to the following commit:
22ac66875b1b90c52c54b1327efdddf5816abfcd
AMPI: execute local sends ...
11:13 AM Charm++ Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
Hmm, testing it again, the crash does seem somewhat different (no mention of isomalloc), and happens only rarely, so ...

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