added mixed flat and cache script for frioul

.gitignore

 bin/
+*output*

test_scripts/frioul/mpi_mixed.sh

+#!/bin/bash
+#SBATCH -J mpi
+#SBATCH --nodes=7
+#SBATCH --ntasks=476
+#SBATCH --ntasks-per-node=68
+#SBATCH --cpus-per-task=1
+#SBATCH --time=0:40:00
+
+#EXPLICIT AND
+#SBATCH -C [quad,flat*4&quad,cache*3]
+
+#EXCLUSIVE OR
+#SBATCH --constraint=[flat|cache]
+
+#OR  
+#SBATCH -C flat|cache
+
+
+#SBATCH --exclusive
+#SBATCH --mem=50GB
+#SBATCH --output mpi.output.slurm 
+
+set -e
+
+export I_MPI_DOMAIN=auto
+export I_MPI_PIN_RESPECT_CPUSET=0
+
+
+module load intel intelmpi
+
+ulimit -s unlimited
+
+srun ../../bin/hello_mpi
+
+