diff --git a/contrib/scripts/graphPerformanceResults.py b/contrib/scripts/graphPerformanceResults.py
new file mode 100755
index 00000000000..a9ac5a5df4f
--- /dev/null
+++ b/contrib/scripts/graphPerformanceResults.py
@@ -0,0 +1,81 @@
+#! /usr/bin/env python
+
+import argparse
+import inspect
+import subprocess
+import os
+import json
+import matplotlib.pyplot as plt
+import matplotlib.ticker
+
+parser = argparse.ArgumentParser(
+	description = inspect.cleandoc(
+	"""
+	Graph the performance results for a folder of json files.
+	""" )
+)
+
+parser.add_argument(
+	'jsonFolder',
+	help='Folder containing json files'
+)
+
+args = parser.parse_args()
+
+jsonFolder = vars( args )["jsonFolder"]
+
+jsonFileNames = [ i for i in os.listdir( jsonFolder ) if i.endswith( ".json" ) ]
+
+results = []
+for n in jsonFileNames:
+	f = open( "%s/%s" % ( jsonFolder, n ) )
+	d = json.load( f )
+	f.close()
+
+	r = {}
+	for key, value in d.items():
+		if "timings" in value:
+			r[ key.split()[1].split('.')[-1][:-1] + "." + key.split()[0]] = ( min( value["timings"] ), max( value["timings"] ) )
+
+	resultName = n[:-5]
+	resultOrder = resultName
+
+	try:
+		resultOrder = int( subprocess.check_output( [ "git", "rev-list", "--count", resultName ] ) )
+		resultName = subprocess.check_output( [ "git", "log", "--format=%B", "-n 1", resultName ] ).splitlines()[0].decode( "UTF-8" )
+	except:
+		pass
+
+	results.append( [resultOrder, resultName, r] )
+
+results.sort()
+results = [r[1:] for r in results ]
+
+ax = plt.subplot(111)
+
+curveNames = results[0][1].keys()
+curveNames = sorted( curveNames, key = lambda k : -results[-1][1][k][0] )
+for k in curveNames:
+	ax.plot( [ j[1][k][0] for j in results ], label = k )
+	# Use this line instead if you want to see variability
+	#ax.fill_between( range( len( results ) ), [ j[1][k][0] for j in results ], [ j[1][k][1] for j in results ], label = k )
+
+plt.yscale( "log", base = 2 )
+
+# Force labelling of every power of two
+plt.yticks( [2**i for i in range( -4, 4 )] )
+
+ax.xaxis.set_major_formatter( matplotlib.ticker.FuncFormatter( lambda i, pos : results[int(i)][0] ) )
+plt.xticks( rotation = 45, ha = "right" )
+
+box = ax.get_position()
+
+# Create margin
+ax.set_position([box.x0, box.y0 + box.height * 0.2, box.width * 0.8, box.height * 0.8])
+
+# Put a legend to the right of the current axis
+ax.legend(loc='center left', bbox_to_anchor=(1, 0.5))
+
+# Currently hacking things up to work with very old matplotlib
+#plt.show_all()
+plt.show()
diff --git a/contrib/scripts/runTestsForCommits.py b/contrib/scripts/runTestsForCommits.py
new file mode 100755
index 00000000000..b435e58f8e0
--- /dev/null
+++ b/contrib/scripts/runTestsForCommits.py
@@ -0,0 +1,46 @@
+#! /usr/bin/env python
+
+import argparse
+import inspect
+import subprocess
+import os
+
+parser = argparse.ArgumentParser(
+	description = inspect.cleandoc(
+	"""
+	Run a selection of Gaffer tests for a specified set of commits,
+	outputting a separate json file for the tests for each commit.
+	""" )
+)
+
+parser.add_argument(
+	'--commits', action='store', nargs='+',
+	help='Hashes of commits to build'
+)
+
+parser.add_argument(
+	'--tests', action='store', nargs='+',
+	help='Names of tests to run'
+)
+
+parser.add_argument(
+	'--outputFolder', action='store', required = True,
+	help='Folder to put output json files to'
+)
+
+args = parser.parse_args()
+
+outputFolder = vars( args )["outputFolder"]
+try:
+	os.makedirs( outputFolder )
+except:
+	pass
+
+currentBranch = subprocess.check_output( [ "git", "stat", "-s", "-b" ] ).splitlines()[0].split()[1]
+print( currentBranch )
+for c in vars( args )["commits"]:
+	subprocess.check_call( [ "git", "checkout", c ] )
+	subprocess.check_call( [ "scons", "-j 16", "build" ] )
+	subprocess.check_call( [ "gaffer", "test" ] + vars( args )["tests"] + [ "-outputFile", "%s/%s.json" % ( outputFolder, c ) ] )
+
+subprocess.check_call( [ "git", "checkout", currentBranch ] )