Comments (7)
Hello,
Is it possible for you to attach your output and error logs ?
That would make the error more clear.
from smilei.
Of course. Please find the output file in the attachment.
from smilei.
Hi,
We never saw this kind of error, by the way there is, a priori, no usage of MPI_Comm_create_keyval
directly in the code.
Can you gave us some complementary informations such as a description of the supercomputer that you are using ? And if the code runs successfully with a single MPI process and many OpenMP threads ?
If it crashes in this case too, you could run it within a debugger in a debug mode (make config=debug) to identify the origin of the error.
from smilei.
I don't think the error is related, but you have 16 processes with 8 threads each. Total of 128 threads. This is way too much compared to the 16 patches available in the benchmark you choose.
Use 1 process with 16 threads or 2 processes with 8 threads instead.
from smilei.
@jderouillat Sure. The supercomputer I am using consists of 44 Dawning CB85-G AMD blade machine. Each node (machine) has four eight-core 64 bits CPU, which constitute 8 symmetrical multi-processor. The internal memory of each node is 8 GB. The CPUs are Opeteron 6136 (2.4GHz) CPUs, each of which has 16 GB internal memory. The supercomputer uses the RedHat Linux 5.0 operation system.
@mccoys I run SMILEI with a single MPI process and 16 threads, 2 processes with 8 threads for 16 patches. But I still get the same error. Then I run the code in the debug mode. Below is the output file.
smilei.pdf
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Could you execute the debug version within gdb (with only 1 MPI and 1 OpenMP, it will be easier to read the generated informations and OpenMP doesn't matter in your case, the simulation has not entered the OpenMP parallel section when it crashes) :
$ mpirun -np 1 gdb --args .../smilei .../tst1d_00_em_propagation.py
(gdb) run
...
(gdb) backtrace
...
And send us the stack trace of the crash ?
from smilei.
Closing as no more input from user
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- Force final step to be restartable option HOT 2
- 'cannot convert float NaN to integer' error when opening Track Particles Diagnostic HOT 13
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