Adds a benchmarks directory with small scripts to test performances of things.

benchmarks/parameters.py

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+"""
+Compare passing a dict to passing a dict as kwargs to a stupid transformation
+
+Last results (1 mill calls):
+
+j1 1.5026444319955772
+k1 1.8377482700016117
+j2 1.1962292949901894
+k2 1.5545833489886718
+j3 1.0014333260041894
+k3 1.353256585993222
+
+"""
+import json
+import timeit
+
+def j1(d):
+    return {'prepend': 'foo', **d, 'append': 'bar'}
+
+def k1(**d):
+    return {'prepend': 'foo', **d, 'append': 'bar'}
+
+def j2(d):
+    return {**d}
+
+def k2(**d):
+    return {**d}
+
+def j3(d):
+    return None
+
+def k3(**d):
+    return None
+
+if __name__ == '__main__':
+    import timeit
+
+    with open('person.json') as f:
+        json_data = json.load(f)
+
+
+    for i in 1,2,3:
+        print('j{}'.format(i), timeit.timeit("j{}({!r})".format(i, json_data), setup="from __main__ import j{}".format(i)))
+        print('k{}'.format(i), timeit.timeit("k{}(**{!r})".format(i, json_data), setup="from __main__ import k{}".format(i)))

benchmarks/person.json

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+{
+  "@context": "http://schema.org",
+  "@type": "MusicEvent",
+  "location": {
+    "@type": "MusicVenue",
+    "name": "Chicago Symphony Center",
+    "address": "220 S. Michigan Ave, Chicago, Illinois, USA"
+  },
+  "name": "Shostakovich Leningrad",
+  "offers": {
+    "@type": "Offer",
+    "url": "/examples/ticket/12341234",
+    "price": "40",
+    "priceCurrency": "USD",
+    "availability": "http://schema.org/InStock"
+  },
+  "performer": [
+    {
+      "@type": "MusicGroup",
+      "name": "Chicago Symphony Orchestra",
+      "sameAs": [
+        "http://cso.org/",
+        "http://en.wikipedia.org/wiki/Chicago_Symphony_Orchestra"
+      ]
+    },
+    {
+      "@type": "Person",
+      "image": "/examples/jvanzweden_s.jpg",
+      "name": "Jaap van Zweden",
+      "sameAs": "http://www.jaapvanzweden.com/"
+    }
+  ],
+  "startDate": "2014-05-23T20:00",
+  "workPerformed": [
+    {
+      "@type": "CreativeWork",
+      "name": "Britten Four Sea Interludes and Passacaglia from Peter Grimes",
+      "sameAs": "http://en.wikipedia.org/wiki/Peter_Grimes"
+    },
+    {
+      "@type": "CreativeWork",
+      "name": "Shostakovich Symphony No. 7 (Leningrad)",
+      "sameAs": "http://en.wikipedia.org/wiki/Symphony_No._7_(Shostakovich)"
+    }
+  ]
+}