Changes between Version 2 and Version 3 of u/bliu/OpenMP

Timestamp:

08/03/17 13:45:34 (8 years ago)

Author:

Baowei Liu

Comment:

—

u/bliu/OpenMP

@@ +1 @@
+== Bluehive ==
+|| Nodes || number of tasks || number of threads per task || total time (secs)||
+|| 1 ||24 || 1 || 20.9 ||
+||  1 || 68 || 2 || 32.2 ||
+|| 1 || 68 || 4 || 64.21  ||
+
+
+{{{
+#!/bin/bash
+
+#SBATCH -J test           # Job name
+#SBATCH -o test.o%j       # Name of stdout output file
+#SBATCH -e test.e%j       # Name of stderr error file
+#SBATCH -p debug 
+#SBATCH -N 1               # Total # of nodes (now required)
+#SBATCH --ntasks-per-node=22        # Total # of mpi tasks
+#SBATCH -t 00:30:00        # Run time (hh:mm:ss)
+#SBATCH --mail-user=baowei.liu@rochester.edu
+#SBATCH --mail-type=all    # Send email at begin and end of job
+
+# Other commands must follow all #SBATCH directives...
+
+export OMP_NUM_THREADS=4  #Number of threads to use
+
+module load astrobear/b1
+module list
+pwd
+date
+
+((nCores=SLURM_NTASKS/OMP_NUM_THREADS))
+# Launch MPI job...
+
+mpirun -np $nCores ./Bondi
+}}}
+
+
 == Stampede2 ==
 1. [https://portal.tacc.utexas.edu/user-guides/stampede2 System]: 4200 Knights Landing (KNL) Nodes. Each has 68 cores at 1.4GHz and each core has 4 threads. 96G~112G RAM.