Re: Fragmentation was RE: [GD-General] Compile times
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From: Thatcher U. <tu...@tu...> - 2002-12-18 06:51:41
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On Dec 18, 2002 at 12:24 -0600, brian hook wrote: > > but the only empirical study I'm aware of suggests that if malloc > > doesn't suck, then fragmentation is not a problem. I found another, more recent, paper with empirical data. Pretty interesting: http://www.cs.umass.edu/~emery/pubs/berger-oopsla2002.pdf They pretty much throw cold water on custom allocators (and the WinXP allocator for that matter...). > > took all kinds of measures to avoid it. In Munch's Oddysee we pretty > > much just let it rip (STL and all), with a general-purpose custom > > allocator, and didn't run into significant problems. [...] > But did Munch's Oddysee have any "cheats" in it that made fragmentation > less dangerous? For example, level changes where a lot of data was > purged simultaneously? Yes, definitely. Level changes pretty much purged everything, IIRC. -- Thatcher Ulrich http://tulrich.com |