[Webkit-unassigned] [Bug 61873] Poor performance of XHR streaming.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=61873





--- Comment #5 from goberman at msn.com  2011-06-02 07:20:00 PST ---
I downloaded webkit and running the test with both WebKit (it apparently launches Safari for some reason) and Chrome 11.0.696.71 side by side now.

Chrome exhibits the problem with CPU I described above with "saw" pattern. Increasing as responseText grows and dropping to 0 after reconnect. But memory stays pretty much constant at around 22MEG for one instance and 44MEG for another (Chrome has 2 process instances).

WebKit (Safari) has CPU close to 0% and it does not increase much. Good!
Memory leak that was apparent in Safari 5 is gone. Also good. But memory keeps increasing: it started at 47MEG and is at 81MEG now after running for 20 minutes. I really need to run it for several hours to determine if it is a memory leak or not.

Could you explain these results? There was obviously some change made to fix something in the latest WebKit. Was it not fully propagated to Chrome?

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