fix syntax for setting alternate MPI transport

tests/perf-regression/bebop/margo-p2p-latency-knl.sbatch

@@ -15,13 +15,17 @@ mpirun ./osu_latency
 #  PSM2.  If we use PSM2 there is a conflict and Mercury won't start
 #  (apparently because MPI is using MR_SCALABLE and Mercury is using MR_BASIC?)
 
+export I_MPI_FABRICS=shm:ofa
+
 echo "## Margo OFI/PSM2 (round trip, knl):"
-mpirun -IB -genvall ./margo-p2p-latency -i 100000 -n psm2://ib0:5000
+mpirun ./margo-p2p-latency -i 100000 -n psm2://ib0:5000
 echo "## Margo OFI/PSM2 (round trip, knl, Hg busy spin):"
-mpirun -IB -genvall ./margo-p2p-latency -i 100000 -n psm2://ib0:5000 -t 0,0
+mpirun ./margo-p2p-latency -i 100000 -n psm2://ib0:5000 -t 0,0
+
+unset I_MPI_FABRICS
 
 echo "## Margo OFI/VERBS (round trip, knl):"
-mpirun -genvall ./margo-p2p-latency -i 100000 -n verbs://ib0:5000
+mpirun ./margo-p2p-latency -i 100000 -n verbs://ib0:5000
 echo "## Margo OFI/VERBS (round trip, knl, Hg busy spin):"
-mpirun -genvall ./margo-p2p-latency -i 100000 -n verbs://ib0:5000 -t 0,0
+mpirun ./margo-p2p-latency -i 100000 -n verbs://ib0:5000 -t 0,0
 

tests/perf-regression/bebop/margo-p2p-latency.sbatch

@@ -14,12 +14,16 @@ mpirun ./osu_latency
 #  PSM2.  If we use PSM2 there is a conflict and Mercury won't start
 #  (apparently because MPI is using MR_SCALABLE and Mercury is using MR_BASIC?)
 
+export I_MPI_FABRICS=shm:ofa
+
 echo "## Margo OFI/PSM2 (round trip, bdw):"
-mpirun -IB -genvall ./margo-p2p-latency -i 100000 -n psm2://ib0:5000
+mpirun ./margo-p2p-latency -i 100000 -n psm2://ib0:5000
 echo "## Margo OFI/PSM2 (round trip, bdw, Hg busy spin):"
-mpirun -IB -genvall ./margo-p2p-latency -i 100000 -n psm2://ib0:5000 -t 0,0
+mpirun ./margo-p2p-latency -i 100000 -n psm2://ib0:5000 -t 0,0
+
+unset I_MPI_FABRICS
 
 echo "## Margo OFI/VERBS (round trip, bdw):"
-mpirun -genvall ./margo-p2p-latency -i 100000 -n verbs://ib0:5000
+mpirun ./margo-p2p-latency -i 100000 -n verbs://ib0:5000
 echo "## Margo OFI/VERBS (round trip, bdw, Hg busy spin):"
-mpirun -genvall ./margo-p2p-latency -i 100000 -n verbs://ib0:5000 -t 0,0
+mpirun ./margo-p2p-latency -i 100000 -n verbs://ib0:5000 -t 0,0