diff --git a/vb_suite/zipline_bench_functions.py b/vb_suite/zipline_bench_functions.py
index 565dee73..c970f055 100644
--- a/vb_suite/zipline_bench_functions.py
+++ b/vb_suite/zipline_bench_functions.py
@@ -34,3 +34,10 @@ def load_ndict():
 
     for i in xrange(1000000):
         nd[keyname % i]
+
+def mass_create_ndict():
+    from zipline import ndict
+    data = dict(('a %d' % a,a) for a in xrange(1000))
+
+    for i in xrange(10000):
+        ndict(data)
diff --git a/vb_suite/ziplines.py b/vb_suite/ziplines.py
index 3f74d669..fd3fba0a 100644
--- a/vb_suite/ziplines.py
+++ b/vb_suite/ziplines.py
@@ -8,13 +8,20 @@ from zipline_bench_functions import *
 basic_zipline = Benchmark(
         'run_basic_zipline()',
         setup=setup,
-        start_date=datetime(2012,4,15),
+        start_date=datetime(2012,5,15),
         name='basic_zipline_test'
 )
 
 load_ndict = Benchmark(
-        'load_ndict',
+        'load_ndict()',
         setup=setup,
         start_date=datetime(2012,4,15),
         name='load_ndict'
 )
+
+mass_create_ndict = Benchmark(
+        'mass_create_ndict()',
+        setup=setup,
+        start_date=datetime(2012,5,1),
+        name='create_ndict'
+)