JavaScript Performance Testing with 'SunSpider'

I have done some web browser benchmarking with SunSpider benchmark test. I used the following browsers;

• Chrome 0.4
• Firefox 3.0.4
• Opera 9.61
• IE 6
• Safari 3.0.3
  

I found that Google Chrome outperformed all the browsers, and it was 30X faster than IE! There was something going wrong with Safari, it did not even finish the test; it stopped at 'controlflow-recursive' test and did not proceed.