Updated parallel computing MPI examples

fasrc · Apr 23, 2024 · 7926ebf · 7926ebf
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diff --git a/Parallel_Computing/MPI/Example1/README.md b/Parallel_Computing/MPI/Example1/README.md
@@ -111,31 +111,32 @@ end program pi_monte_carlo
 #SBATCH -J pi_monte_carlo
 #SBATCH -o pi_monte_carlo.out
 #SBATCH -e pi_monte_carlo.err
-#SBATCH -p rocky
+#SBATCH -p test
 #SBATCH -t 30
 #SBATCH -n 8
 #SBATCH --mem-per-cpu=4000
 
 # Load required modules
-module load intel/23.0.0-fasrc01 openmpi/4.1.4-fasrc01
+module load intel/24.0.1-fasrc01 openmpi/5.0.2-fasrc01
 
 # Run program
-srun -n 8 --mpi=pmix ./pi_monte_carlo.x
+srun -n $SLURM_NTASKS --mpi=pmix ./pi_monte_carlo.x
 ```
 
 ### Example Usage:
 
 ```bash
-module load intel/23.0.0-fasrc01 openmpi/4.1.4-fasrc01
+module load intel/24.0.1-fasrc01 openmpi/5.0.2-fasrc01
 make
 sbatch run.sbatch
 ```
 
 ### Example Output:
 
 ```bash
+> cat pi_monte_carlo.out 
  Exact PI:    3.14159265
- Computed PI: 3.14156124
- Error:       0.00100%
- Total time: 14.72 sec
+ Computed PI: 3.14159179
+ Error:       0.00003%
+ Total time: 31.00 sec
 ```
diff --git a/Parallel_Computing/MPI/Example1/pi_monte_carlo.out b/Parallel_Computing/MPI/Example1/pi_monte_carlo.out
@@ -0,0 +1,4 @@
+ Exact PI:    3.14159265
+ Computed PI: 3.14159179
+ Error:       0.00003%
+ Total time: 31.00 sec
diff --git a/Parallel_Computing/MPI/Example1/run.sbatch b/Parallel_Computing/MPI/Example1/run.sbatch
@@ -2,13 +2,13 @@
 #SBATCH -J pi_monte_carlo
 #SBATCH -o pi_monte_carlo.out
 #SBATCH -e pi_monte_carlo.err
-#SBATCH -p rocky
+#SBATCH -p test
 #SBATCH -t 30
 #SBATCH -n 8
 #SBATCH --mem-per-cpu=4000
 
 # Load required modules
-module load intel/23.0.0-fasrc01 openmpi/4.1.4-fasrc01
+module load intel/24.0.1-fasrc01 openmpi/5.0.2-fasrc01
 
 # Run program
-srun -n 8 --mpi=pmix ./pi_monte_carlo.x
+srun -n $SLURM_NTASKS --mpi=pmix ./pi_monte_carlo.x
diff --git a/Parallel_Computing/MPI/Example2/Makefile b/Parallel_Computing/MPI/Example2/Makefile
@@ -1,5 +1,5 @@
 #==========================================================
-# Make file for pi_monte_carlo.f90
+# Make file 
 #==========================================================
 F90CFLAGS   = -c -O2
 F90COMPILER = mpif90

diff --git a/Parallel_Computing/MPI/Example2/README.md b/Parallel_Computing/MPI/Example2/README.md
@@ -86,28 +86,29 @@ clean :
 #SBATCH -J ptrap
 #SBATCH -o ptrap.out
 #SBATCH -e ptrap.err
-#SBATCH -p rocky
+#SBATCH -p test
 #SBATCH -t 30
 #SBATCH -n 8
 #SBATCH --mem-per-cpu=4000
 
 # Load required modules
-module load intel/23.0.0-fasrc01 openmpi/4.1.4-fasrc01
+module load intel/24.0.1-fasrc01 openmpi/5.0.2-fasrc01
 
 # Run program
-srun -n 8 --mpi=pmix ./ptrap.x
+srun -n $SLURM_NTASKS --mpi=pmix ./ptrap.x
 ```
 
 ### Example Usage:
 
 ```bash
-module load intel/23.0.0-fasrc01 openmpi/4.1.4-fasrc01
+module load intel/24.0.1-fasrc01 openmpi/5.0.2-fasrc01
 make
 sbatch run.sbatch
 ```
 
 ### Example Output:
 
 ```
+> cat ptrap.out 
 Integral from  0.0  to  4.0  is  21.3350
 ```
diff --git a/Parallel_Computing/MPI/Example2/nodeinfo.mod b/Parallel_Computing/MPI/Example2/nodeinfo.mod
diff --git a/Parallel_Computing/MPI/Example2/ptrap.o b/Parallel_Computing/MPI/Example2/ptrap.o
diff --git a/Parallel_Computing/MPI/Example2/ptrap.out b/Parallel_Computing/MPI/Example2/ptrap.out
@@ -0,0 +1 @@
+Integral from  0.0  to  4.0  is  21.3350
diff --git a/Parallel_Computing/MPI/Example2/ptrap.x b/Parallel_Computing/MPI/Example2/ptrap.x
diff --git a/Parallel_Computing/MPI/Example2/run.sbatch b/Parallel_Computing/MPI/Example2/run.sbatch
@@ -2,13 +2,13 @@
 #SBATCH -J ptrap
 #SBATCH -o ptrap.out
 #SBATCH -e ptrap.err
-#SBATCH -p rocky
+#SBATCH -p test
 #SBATCH -t 30
 #SBATCH -n 8
 #SBATCH --mem-per-cpu=4000
 
 # Load required modules
-module load intel/23.0.0-fasrc01 openmpi/4.1.4-fasrc01
+module load intel/24.0.1-fasrc01 openmpi/5.0.2-fasrc01
 
 # Run program
-srun -n 8 --mpi=pmix ./ptrap.x
+srun -n $SLURM_NTASKS --mpi=pmix ./ptrap.x
diff --git a/Parallel_Computing/MPI/Example3/README.md b/Parallel_Computing/MPI/Example3/README.md
@@ -40,29 +40,30 @@ clean :
 #SBATCH -J planczos
 #SBATCH -o planczos.out
 #SBATCH -e planczos.err
-#SBATCH -p rocky
+#SBATCH -p test
 #SBATCH -t 30
 #SBATCH -n 8
 #SBATCH --mem-per-cpu=4000
 
 # Load required modules
-module load intel/23.0.0-fasrc01 openmpi/4.1.4-fasrc01
+module load intel/24.0.1-fasrc01 openmpi/5.0.2-fasrc01
 
 # Run program
-srun -n 8 --mpi=pmix ./planczos.x
+srun -n $SLURM_NTASKS --mpi=pmix ./planczos.x
 ```
 
 ### Example usage:
 
 ```bash
-module load intel/23.0.0-fasrc01 openmpi/4.1.4-fasrc01
+module load intel/24.0.1-fasrc01 openmpi/5.0.2-fasrc01
 make
 sbatch
 ```
 
 ### Example Output:
 
 ```bash
+> cat planczos.out
            5  lowest eigenvalues - Lanczos, exact
  iteration:           1
            1   49.8653454477317        50.0109460873557