On 10/11/2012 02:43 AM, Stephen Colebourne wrote:
There are lots of other public base 64 implementations to test/check
against.
http://commons.apache.org/net/api-3.1/org/apache/commons/net/util/Base64.html
http://www.cs.berkeley.edu/~jonah/bc/org/bouncycastle/util/encoders/Base64.html
http://migbase64.sourceforge.net/ (claims to be fast)
I did a quick performance check against migbase64 with the basic base64
de/encoding
using this non-scientific benchmark.
http://cr.openjdk.java.net/~sherman/4235519/PermBase64.java
Here is the scores
http://cr.openjdk.java.net/~sherman/4235519/scores
It's a tie, j.u.Base64 wins the decoding, but needs some work on
encoding side.
java -server PermBase64 200000 50
j.u.Base64.encode() : 1390212
migBase64.encode() : 720517
j.u.Base64.decode() : 1200642
migBase64.decode() : 2070015
java -server PermBase64 200000 100
j.u.Base64.encode() : 1239407
migBase64.encode() : 740404
j.u.Base64.decode() : 1257092
migBase64.decode() : 2012910
java -server PermBase64 200000 1000
j.u.Base64.encode() : 1062212
migBase64.encode() : 657342
j.u.Base64.decode() : 1133740
migBase64.decode() : 1930612
java -client PermBase64 200000 50
j.u.Base64.encode() : 961331
migBase64.encode() : 875635
j.u.Base64.decode() : 1528790
migBase64.decode() : 2188473
java -client PermBase64 200000 100
j.u.Base64.encode() : 966453
migBase64.encode() : 858082
j.u.Base64.decode() : 1459159
migBase64.decode() : 2115045
java -client PermBase64 200000 1000
j.u.Base64.encode() : 954401
migBase64.encode() : 854903
j.u.Base64.decode() : 1444603
migBase64.decode() : 2038865
