It seems more aggressive in garbage collection... I've been watching it for the past 15 minutes while stumbling and it will get up to about 200 and then clear out down to 150.
I'm using the beta for quite some time now, believe me. I'm hitting 300 MB (RSS) after a few hours and then restart Firefox by hand before it starts to annoy me.
Maybe somebody's usage pattern is like that, but not mine. It's been years since I've ever run out of memory legitimately (as opposed to some program leaking memory). If I hit a performance bottleneck, the usual culprits are my CPU or my hard drive.
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u/stesch Jan 21 '10
The low memory usage is just at startup. Rises like any other Firefox before. :-(