TraceMonkey already performs various benchmarks in 4.5 percent to 55 percent of the time taken by Firefox 3, and useful further improvements are thought possible.
Where a conventional compiler converts entire programs into machine code at the outset, JIT compilers convert sections of the source code that are executed often enough to make it worth the effort. This much of the performance of a full compiler without the initial overhead.
So where does SpiderMonkey get its speed? Please read on.
FREE WHITEPAPER - RISKS OF MOVING DATABASES TO VMWAREVMware changed the rules about the server resources required to keep a database responding
It's now more difficult for DBAs to see interaction between the database and server resources
This whitepaper highlights the key differences between performance management between physical and virtual servers, and maps out the five most common trouble spots when moving production databases to VMware
1. Innacurate metrics
2. Dynamic resource allocation
3. No control over Host Resources
4. Limited DBA visibility
5. Mutual ignorance
Don't move your database to VMware before learning about these potential risks, download this FREE Whitepaper now!
Stephen Withers is one of Australia¹s most experienced IT journalists, having begun his career in the days of 8-bit 'microcomputers'. He covers the gamut from gadgets to enterprise systems. In previous lives he has been an academic, a systems programmer, an IT support manager, and an online services manager. Stephen holds an honours degree in Management Sciences, a PhD in Industrial and Business Studies, and is a senior member of the Australian Computer Society.