[fix] minor optimizations.

git-svn-id: https://spf4j.googlecode.com/svn/trunk@569 d408096a-aa36-d13b-a661-48d75a76e993
[add] publish benchmark results.

git-svn-id: https://spf4j.googlecode.com/svn/trunk@570 d408096a-aa36-d13b-a661-48d75a76e993
Merge branch 'master' of github.com:zolyfarkas/spf4j