[gclist] GC performance comparison for various JVMs
Mon, 18 Oct 1999 16:40:35 -0700
>>>>> "Hans" == Boehm, Hans <email@example.com> writes:
Hans> If we give the collector a tiny bit of type information (as gcj
Hans> should, but may not),
libgcj adds a new mark proc that knows how to mark Java objects.
These objects are scanned precisely. Is that what you mean?
We're still running a relatively old version of your collector, though
(4.13alpha2). Nobody has yet found the time to import a newer
Hans> My guess is that for typical applications, and in the absence of
Hans> static object lifetime analysis in gcj, the HotSpot collector
Hans> will usually win, but rarely by a large amount.
As you surmise, we don't do any static lifetime analysis in gcj. We
might someday, I guess, but there aren't any concrete plans.