Adds speed tests for int2bytes and old_int2bytes.

* In the following tests, the first speed test for
  each version of Python checked is the new
  implementation and the second is the old
  implementation.

$ ./speed.sh
int2bytes speed test
python2.5
1000 loops, best of 3: 315 usec per loop
100 loops, best of 3: 4.87 msec per loop
python2.6
10000 loops, best of 3: 170 usec per loop
100 loops, best of 3: 3.34 msec per loop
python2.7
10000 loops, best of 3: 169 usec per loop
100 loops, best of 3: 2.8 msec per loop
python3.2
10000 loops, best of 3: 169 usec per loop
100 loops, best of 3: 3.16 msec per loop

1 files changed, 15 insertions, 0 deletions

diff --git a/speed.sh b/speed.sh
new file mode 100755
index 0000000..17f1ea4
--- /dev/null
+++ b/speed.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+echo "int2bytes speed test"
+echo "python2.5"
+python2.5 -mtimeit -s'from rsa.transform import int2bytes; n = 1<<4096' 'int2bytes(n)'
+python2.5 -mtimeit -s'from rsa.transform import old_int2bytes; n = 1<<4096' 'old_int2bytes(n)'
+echo "python2.6"
+python2.6 -mtimeit -s'from rsa.transform import int2bytes; n = 1<<4096' 'int2bytes(n)'
+python2.6 -mtimeit -s'from rsa.transform import old_int2bytes; n = 1<<4096' 'old_int2bytes(n)'
+echo "python2.7"
+python2.7 -mtimeit -s'from rsa.transform import int2bytes; n = 1<<4096' 'int2bytes(n)'
+python2.7 -mtimeit -s'from rsa.transform import old_int2bytes; n = 1<<4096' 'old_int2bytes(n)'
+echo "python3.2"
+python3 -mtimeit -s'from rsa.transform import int2bytes; n = 1<<4096' 'int2bytes(n)'
+python3 -mtimeit -s'from rsa.transform import old_int2bytes; n = 1<<4096' 'old_int2bytes(n)'