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A couple garbage collector questions
Greg Ewinggreg at cosc.canterbury.ac.nz
Tue Apr 3 00:02:51 EDT 2001
Kragen Sitaker wrote:>> Reference-counting exacts very heavy performance costs, no matter what> you back it up with.Something nobody has mentioned yet is that RC is cache-friendly,whereas pure M&S is quite cache-hostile. This is importantnow that most machine architectures are heavily relianton cacheing for good performance, and I believe that it isone of the main reasons for retaining RC alongside the newGC mechanisms.The other reason is backwards compatibility with existingextension modules.-- Greg Ewing, Computer Science Dept, University of Canterbury, Christchurch, New ZealandTo get my email address, please visit my web page:http://www.cosc.canterbury.ac.nz/~greg
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