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Opened 6 years ago

Last modified 4 years ago

#1326 new defect

running loopcontrol on strange number of threads fails

Reported by: Roland Haas Owned by:
Priority: minor Milestone:
Component: EinsteinToolkit thorn Version:
Keywords: LoopControl Cc:

Description

my machine has 8 cores (according to /proc/cpuinfo). Running eg the trigger test with 3 threads fails inside of loopcontrol.

To reproduce:

export OMP_NUM_THREADS=3
mpirun -n 2  exe/cactus_bns_all arrangements/AEIThorns/Trigger/test/trigger.par

Attachments (2)

trigger.log (77.8 KB) - added by Roland Haas 6 years ago.
backtrace.txt (6.5 KB) - added by Roland Haas 4 years ago.

Download all attachments as: .zip

Change History (3)

Changed 6 years ago by Roland Haas

Attachment: trigger.log added

comment:1 Changed 4 years ago by Roland Haas

This still happens even with current (Sun Mar 22 18:46:21 CET 2015) trunk, though failure looks a bit different now:

actus_sim: /data/rhaas/postdoc/gr/ET_trunk/configs/sim/build/LoopControl/loopcontrol.cc:312: T {anonymous}::divexact(T, T) [with T = int]: Assertion `i % j == 0' failed

Changed 4 years ago by Roland Haas

Attachment: backtrace.txt added

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