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Hello,
I used to work with MPI codes using Intel Parallel Studio + VS 2019 + Fortran, and just updated to openAPI + VS 2022 + Fortran. When following the guide here (https://www.intel.com/content/www/us/en/docs/mpi-library/get-started-guide-windows/2021-6/overview.html) to set up the updated Intel MPI Library, I get through the first two steps (hydra_service -install; hydra_service -start). But when I key in mpiexec -register, the command prompt pops out '-register' is not recognized as an internal or external command, operable program, or batch file.
Am I making a silly mistake here?
Thanks!
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I think that documentation may be out of date. My research shows that you should no longer need to do that -register step to enter your username/password credentials.
Try running MPI jobs. It should work without the -register step/
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Thanks Ron (truly appreciate your help so far with the multiple questions I've been facing when setting things up)! I tried running a simple hello world MPI job, but somehow it only runs with one thread (see first attached image for the result) despite me specifying the program to use 4 threads in the command arguments (as shown in the 2nd attached image). Any idea why this is happening?
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ps. Here's the relevant part of the program I'm running
![](/skins/images/45C6C2D737ED71F4C51F0145C8CB1E9C/responsive_peak/images/icon_anonymous_message.png)
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