diff --git a/demo/osu_allgather.py b/demo/osu_allgather.py
index 704d653..011e3f4 100644
--- a/demo/osu_allgather.py
+++ b/demo/osu_allgather.py
@@ -2,7 +2,7 @@
 
 from mpi4py import MPI
 
-def osu_bcast(
+def osu_allgather(
     BENCHMARH = "MPI Allgather Latency Test",
     skip = 1000,
     loop = 10000,
@@ -69,4 +69,4 @@ def allocate(n):
 
 
 if __name__ == '__main__':
-    osu_bcast()
+    osu_allgather()
diff --git a/demo/osu_alltoallv.py b/demo/osu_alltoallv.py
index 892e13f..394d60e 100644
--- a/demo/osu_alltoallv.py
+++ b/demo/osu_alltoallv.py
@@ -3,7 +3,7 @@
 from mpi4py import MPI
 from array import array
 
-def osu_alltoall(
+def osu_alltoallv(
     BENCHMARH = "MPI Alltoallv Latency Test",
     skip = 200,
     loop = 1000,
@@ -74,4 +74,4 @@ def allocate(n):
 
 
 if __name__ == '__main__':
-    osu_alltoall()
+    osu_alltoallv()
diff --git a/demo/osu_barrier.py b/demo/osu_barrier.py
index c2b55ba..144bd28 100644
--- a/demo/osu_barrier.py
+++ b/demo/osu_barrier.py
@@ -2,7 +2,7 @@
 
 from mpi4py import MPI
 
-def osu_bcast(
+def osu_barrier(
     BENCHMARH = "MPI Barrier Latency Test",
     skip = 1000,
     loop = 10000,
@@ -46,4 +46,4 @@ def osu_bcast(
 
 
 if __name__ == '__main__':
-    osu_bcast()
+    osu_barrier()
diff --git a/demo/osu_bibw.py b/demo/osu_bibw.py
index f684482..b908f19 100644
--- a/demo/osu_bibw.py
+++ b/demo/osu_bibw.py
@@ -2,7 +2,7 @@
 
 from mpi4py import MPI
 
-def osu_bw(
+def osu_bibw(
     BENCHMARH = "MPI Bi-Directional Bandwidth Test",
     skip = 10,
     loop = 100,
@@ -90,4 +90,4 @@ def allocate(n):
 
 
 if __name__ == '__main__':
-    osu_bw()
+    osu_bibw()
diff --git a/demo/osu_gather.py b/demo/osu_gather.py
index c4c0e2f..6314d5f 100644
--- a/demo/osu_gather.py
+++ b/demo/osu_gather.py
@@ -2,7 +2,7 @@
 
 from mpi4py import MPI
 
-def osu_bcast(
+def osu_gather(
     BENCHMARH = "MPI Gather Latency Test",
     skip = 1000,
     loop = 10000,
@@ -76,4 +76,4 @@ def allocate(n):
 
 
 if __name__ == '__main__':
-    osu_bcast()
+    osu_gather()
diff --git a/demo/osu_scatter.py b/demo/osu_scatter.py
index 38d6a9d..e85bf9f 100644
--- a/demo/osu_scatter.py
+++ b/demo/osu_scatter.py
@@ -2,7 +2,7 @@
 
 from mpi4py import MPI
 
-def osu_bcast(
+def osu_scatter(
     BENCHMARH = "MPI Scatter Latency Test",
     skip = 1000,
     loop = 10000,
@@ -76,4 +76,4 @@ def allocate(n):
 
 
 if __name__ == '__main__':
-    osu_bcast()
+    osu_scatter()