On Thursday, May 5, 2016 at 8:14:41 PM UTC+2, astrid wrote:
> Hello,
>
> I got qualified for DCJ at round 1B, and I have trouble when trying to use
> the DCJ testing tool.
>
> Here is my test file, named mytest.c:
>
> #include <message.h>
> #include <stdio.h>
>
> int main() {
> if (MyNodeId() == 0) {
> printf("Hello world!\n");
> }
> }
>
> I downloaded the tool for linux and compiled with:
> dcj build --source=mytest.c
>
> There was no compiling error. I try to execute with:
> dcj run --executable=./mytest --nodes=2 --output=all
>
> And I got the following error:
> Error when executing command
> (u'/home/astrid/discodejam16/tool/dcj/../executable/parunner', '--n', '2',
> '--stdout', 'all', '--stderr', 'all', './mytest'): OSError(8, 'Exec format
> error').
>
> This is the same whatever the number of nodes I ask for.
> I also tried to go in the 'executable' directory and launch:
> ./parunner ../../mytest -n=2
>
> I got the following error:
> bash: ./parunner: cannot execute binary file: Erreur de format pour exec()
>
> Could someone help me?
> Thanks,
> Astrid
Hi Astrid,
This probably happens because the binary you downloaded is for a different
architecture than your Linux distro. Try something like:
$ file /home/astrid/discodejam16/tool/dcj/../executable/parunner
$ uname -a
... to figure out what version you have and what version you need. You probably
have to download the tool for your platform, or install compatibility libraries
(for example, to run IA-32 binaries on x86_64 Linux).
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