diff --git a/tests/bench/from_iter-1-list_bound.py b/tests/bench/from_iter-1-list_bound.py
new file mode 100644
index 0000000000..d209daecc5
--- /dev/null
+++ b/tests/bench/from_iter-1-list_bound.py
@@ -0,0 +1,8 @@
+import bench
+
+def test(num):
+    for i in iter(range(num//10000)):
+        l = [0] * 1000
+        l2 = list(l)
+
+bench.run(test)
diff --git a/tests/bench/from_iter-2-list_unbound.py b/tests/bench/from_iter-2-list_unbound.py
new file mode 100644
index 0000000000..be019c52fe
--- /dev/null
+++ b/tests/bench/from_iter-2-list_unbound.py
@@ -0,0 +1,8 @@
+import bench
+
+def test(num):
+    for i in iter(range(num//10000)):
+        l = [0] * 1000
+        l2 = list(map(lambda x: x, l))
+
+bench.run(test)
diff --git a/tests/bench/from_iter-3-tuple_bound.py b/tests/bench/from_iter-3-tuple_bound.py
new file mode 100644
index 0000000000..7b7fa36c6e
--- /dev/null
+++ b/tests/bench/from_iter-3-tuple_bound.py
@@ -0,0 +1,8 @@
+import bench
+
+def test(num):
+    for i in iter(range(num//10000)):
+        l = [0] * 1000
+        l2 = tuple(l)
+
+bench.run(test)
diff --git a/tests/bench/from_iter-4-tuple_unbound.py b/tests/bench/from_iter-4-tuple_unbound.py
new file mode 100644
index 0000000000..7c7f134c85
--- /dev/null
+++ b/tests/bench/from_iter-4-tuple_unbound.py
@@ -0,0 +1,8 @@
+import bench
+
+def test(num):
+    for i in iter(range(num//10000)):
+        l = [0] * 1000
+        l2 = tuple(map(lambda x: x, l))
+
+bench.run(test)
diff --git a/tests/bench/from_iter-5-bytes_bound.py b/tests/bench/from_iter-5-bytes_bound.py
new file mode 100644
index 0000000000..b793a3207e
--- /dev/null
+++ b/tests/bench/from_iter-5-bytes_bound.py
@@ -0,0 +1,8 @@
+import bench
+
+def test(num):
+    for i in iter(range(num//10000)):
+        l = [0] * 1000
+        l2 = bytes(l)
+
+bench.run(test)
diff --git a/tests/bench/from_iter-6-bytes_unbound.py b/tests/bench/from_iter-6-bytes_unbound.py
new file mode 100644
index 0000000000..20aa556277
--- /dev/null
+++ b/tests/bench/from_iter-6-bytes_unbound.py
@@ -0,0 +1,8 @@
+import bench
+
+def test(num):
+    for i in iter(range(num//10000)):
+        l = [0] * 1000
+        l2 = bytes(map(lambda x: x, l))
+
+bench.run(test)
diff --git a/tests/bench/from_iter-7-bytearray_bound.py b/tests/bench/from_iter-7-bytearray_bound.py
new file mode 100644
index 0000000000..72001a05c7
--- /dev/null
+++ b/tests/bench/from_iter-7-bytearray_bound.py
@@ -0,0 +1,8 @@
+import bench
+
+def test(num):
+    for i in iter(range(num//10000)):
+        l = [0] * 1000
+        l2 = bytearray(l)
+
+bench.run(test)
diff --git a/tests/bench/from_iter-8-bytearray_unbound.py b/tests/bench/from_iter-8-bytearray_unbound.py
new file mode 100644
index 0000000000..e2263b8ef9
--- /dev/null
+++ b/tests/bench/from_iter-8-bytearray_unbound.py
@@ -0,0 +1,8 @@
+import bench
+
+def test(num):
+    for i in iter(range(num//10000)):
+        l = [0] * 1000
+        l2 = bytearray(map(lambda x: x, l))
+
+bench.run(test)