examples 1 ok

swarmlab/run

@@ -1,13 +1,17 @@
 #!/bin/bash
 
+# compile
 mpicc -o /project/mpi_hello_world ../examples/mpi_hello_world.c
 
+# scp hello wrold to all clients. sudo -u mpi for auto scp connect. see /home/mpi/.ssh 
 while read -r line; 
  do 
    sudo -u mpi scp /project/mpi_hello_world mpi@$line:/project/mpi_hello_world
 done < /project/hosts
-#sudo -u mpi scp /project/mpi_hello_world mpi@10.0.8.10:/project/mpi_hello_world
-#sudo -u mpi scp /project/mpi_hello_world mpi@10.0.8.11:/project/mpi_hello_world
+
+# cd to work dir
 cd /project
+
+# run it! 
 sudo -u mpi mpirun -n 10 -f /project/hosts  /project/mpi_hello_world  2>&1 | tee /tmp/output.log
 

swarmlab/runafter

@@ -1,4 +1,4 @@
 #!/bin/bash
 
-echo "cat /project/output.log file"
+echo "do more jobs"
 #cat /tmp/output.log

swarmlab/runbefore

@@ -1,5 +1,9 @@
 #!/bin/bash
 
+# find ip
 IP_ADDR=$(ip addr show | grep "inet " | grep  "eth0" | awk '{print $2}')
+
+
+# find all clients connected to network
 nmap -sP $IP_ADDR  | grep ondemand_mpi_worker | awk  -F "[()]" '{ for (i=2; i<NF; i+=2) print $i }' > /project/hosts