document speedup toggle in benchmarkspypy-support

1 files changed, 17 insertions, 0 deletions

diff --git a/benchmarks/generate_json.py b/benchmarks/generate_json.py
index d0c3de0..ec5a1aa 100644
--- a/benchmarks/generate_json.py
+++ b/benchmarks/generate_json.py
@@ -24,6 +24,23 @@ To run the write benchmark::
       -s 'd = simplejson.loads(s)' \
       'simplejson.dumps(d)'
 
+To run the read benchmark with speedups disabled::
+
+    $ python -m timeit -n 1 -r 5 \
+      -s 'import simplejson' \
+      -s 'simplejson._use_speedups(False)' \
+      -s 's = open("build/bench/feed.json", "rb").read()' \
+      'simplejson.loads(s)'
+
+To run the write benchmark with speedups disabled::
+
+    $ python -m timeit -n 1 -r 5 \
+      -s 'import simplejson' \
+      -s 'simplejson._use_speedups(False)' \
+      -s 's = open("build/bench/feed.json", "rb").read()' \
+      -s 'd = simplejson.loads(s)' \
+      'simplejson.dumps(d)'
+
 """
 import sys
 import operator