Hi Bruno, Thank you for the reply.
For "#PBS -l nodes=1:ppn=x", when x=1, and use "mpirun -np 1 ./step-17", it works well as a single processor. when x=1, and use "mpirun -np 4 ./step-17", memory error happens. For "#PBS -l nodes=4:ppn=1", when I use "mpirun -np 1 ./step-17", it works well as a single processor. when I use "mpirun -np 4 ./step-17", memory error happens. Everytime I use " GridTools::partition_triangulation (n_mpi_processes, triangulation)", error happens unless n_mpi_processes=1. By the way, I am still using deal.ii 8.3.0, and I saw some upgrades for step-17 and 18 in new version of deal.ii. Especially, in new step-18, it does not use "GridTools::partition_triangulation (n_mpi_processes, triangulation)", and it uses automatic partitioning. I am not sure whether it will solve my problem with METIS. Do you know whether automatic partitioning uses METIS? But still, I think the old step-17 and 18 should work well with version 8.3... Best, Chenchen 在 2016年10月5日星期三 UTC-4上午8:27:11，Bruno Turcksin写道： > > Chenchen, > > 2016-10-04 18:15 GMT-04:00 Chenchen Liu <[email protected] <javascript:>>: > > > Second, for "#PBS -l nodes=1:ppn=x", no matter what the value x is, the > > error always exists. > But this is not running across multiple nodes. You are only using one > node, so this the same as running the code on your laptop. What > happens if you try running the code with only one processor (x=1). > > > Third, I don't know what is batch mode (forgive me). In my own laptop, I > > directly use cmake ., make, mpirun -np 4 ./step-17 to run a job. How can > you > > see it is batch mode and could you please tell me how should I modify > it? > batch mode is when you need a script to run the code. On your laptop, > you only need to use cmake ., make once. After that you can run the > code as many times as you want. You can do the same on your cluster. > You compile the code (cmake ., make) and then, you run the code by > putting it in the queue. > > Best, > > Bruno > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
