On Thu, Oct 15, 2009 at 11:11 AM, Jens Alfke <[email protected]> wrote:
> • Switching to another tab in the same window is the only way to get > heap usage down significantly (by calling V8's IdleNotification) and > even then it takes over a minute of occasional idle-time GC to have a > significant effect. > Once I get my MemoryPurger functionality checked in, I'd like you to try it and see if it can successfully purge this memory. It loops calling IdleNotification() until that returns true. • Even hiding the tab doesn't bring memory usage down as much. The > 'vmmap' tool shows that there's a lot of space allocated to > CoreGraphics backing stores, much more than in the single-page case > (like 13MB vs 1MB.) I'm not sure if this is for the images on the > pages, or snapshots of the pages themselves for the back/forward > cache. Safari 4 on Mac has similar behavior. > My tool also dumps backing stores. PK --~--~---------~--~----~------------~-------~--~----~ Chromium Developers mailing list: [email protected] View archives, change email options, or unsubscribe: http://groups.google.com/group/chromium-dev -~----------~----~----~----~------~----~------~--~---
