Update README.md

README.md

@@ -53,6 +53,7 @@ Of course that is a silly job. However, there are things to learn for this examp
     * `output`, this is just for you
     * `ntasks`, this tells slurm how many threads you should be allowed to have
     * `time`, this tells slurm how much time it should give your job
+    * other `#SBATCH` commands [https://slurm.schedmd.com/sbatch.html](https://slurm.schedmd.com/sbatch.html)
 2. Submit the job with `sbatch`
 3. Check the Queue and Status of your job with `squeue`
 
@@ -78,9 +79,47 @@ module load miniconda3
 # nice for testing
 /usr/bin/time -v python3 fibonacci.py
 ```
+Save the job as `fibonacci.job` and submit the job with `sbatch fibonacci.job`. 
 Let's have a look at the output.
-
-
+```
+Recursive version
+165580141, Elapsed: 00h00m55s
+Loop version
+165580141, Elapsed: 00h00m00s
+Memory version
+165580141, Elapsed: 00h00m00s
+	Command being timed: "python3 fibonacci.py"
+	User time (seconds): 55.84
+	System time (seconds): 0.00
+	Percent of CPU this job got: 99%
+	Elapsed (wall clock) time (h:mm:ss or m:ss): 0:55.94
+	Average shared text size (kbytes): 0
+	Average unshared data size (kbytes): 0
+	Average stack size (kbytes): 0
+	Average total size (kbytes): 0
+	Maximum resident set size (kbytes): 10900
+	Average resident set size (kbytes): 0
+	Major (requiring I/O) page faults: 0
+	Minor (reclaiming a frame) page faults: 1288
+	Voluntary context switches: 9
+	Involuntary context switches: 22
+	Swaps: 0
+	File system inputs: 0
+	File system outputs: 0
+	Socket messages sent: 0
+	Socket messages received: 0
+	Signals delivered: 0
+	Page size (bytes): 4096
+	Exit status: 0
+```
+You can find information on the CPU usage, memory, ... For this job the only relevant information is on the CPU, as it basically only uses that.
+The time man page is [here](https://man7.org/linux/man-pages/man1/time.1.html).
+
+## Run a Multi-processing job
+
+**under construction.**
+`icc -o fibonacci.x fibonacci_openmp.c`
+ask for more tasks
 
 # Interactive Sessions
 
@@ -112,23 +151,21 @@ How to submit an MPI batch job
 
 ```bash
 #!/bin/bash
-# Some example sbatch options.
-# See also https://slurm.schedmd.com/sbatch.html
-#SBATCH --job-name=testprog
-#SBATCH --output=testprog.out
+#SBATCH --job-name=hello
+#SBATCH --output=hello.log
 #SBATCH --ntasks=7
 
 # Load the OpenMPI module.
 module load openmpi/4.0.5
 
-# Run the program with mpirun. Additional mpirun options
-# are not required. mpirun will get the info (e.g., hosts)
-# from SLURM.
-srun ./testprog
+# Run the program with mpi. Srun will execute mpirun with
+# the info (e.g., hosts) from SLURM.
+srun ./hello
 ```
+
 Submit with
 ```bash
-sbatch mpiexample.sh
+sbatch hello.job
 ```
 
 # Useful things