[mpich-discuss] -configfile size limit?

[Kenneth Raffenetti]

Hi Jeff,

It would probably be fastest if you could send me a copy of your config 
file off list so I can trigger the failure locally and work backwards.

Ken

On 06/09/2017 03:43 PM, Daily, Jeff A wrote:
> I have been using mpiexec.hydra for launching non-MPI applications that 
> communicate via ZeroMQ.  I use the configfile parameter, one line per 
> application.  Here’s an example:
> 
> -n 1 -env FNCS_BROKER tcp://*:5570 fncs_broker 10
> 
> -n 1 -wdir R1_12_47_1_feeder_6 gridlabd R1_12_47_1_feeder_6.glm
> 
> -n 1 -wdir R1_12_47_1_feeder_7 gridlabd R1_12_47_1_feeder_7.glm
> 
> -n 1 -wdir R1_12_47_2_feeder_0 gridlabd R1_12_47_2_feeder_0.glm
> 
> -n 1 -wdir R1_12_47_2_feeder_1 gridlabd R1_12_47_2_feeder_1.glm
> 
> -n 1 -wdir R1_12_47_2_feeder_2 gridlabd R1_12_47_2_feeder_2.glm
> 
> -n 1 -wdir R1_12_47_3_feeder_4 gridlabd R1_12_47_3_feeder_4.glm
> 
> -n 1 -wdir R1_12_47_3_feeder_5 gridlabd R1_12_47_3_feeder_5.glm
> 
> -n 1 -wdir R1_12_47_4_feeder_8 gridlabd R1_12_47_4_feeder_8.glm
> 
> -n 1 -wdir R1_25_00_1_feeder_3 gridlabd R1_25_00_1_feeder_3.glm
> 
> -n 1 -wdir matpower ./start_MATPOWER case9.m real_power_demand.txt 18000 
> 3600
> 
> This worked well for this smaller case.  I then tried a case with 15002 
> lines in my configfile, but I got a backtrace from mpiexec
> 
> *** glibc detected *** mpiexec: free(): invalid pointer: 
> 0x0000000000736b10 ***
> 
> I’m guessing there is some size limit for the configfile?  Can anyone 
> confirm and suggest a patch?
> 
> Jeff
> 
> 
> 
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