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Message from discussion HTML 5 Canvas: Linux Performance Issues
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Boris Zbarsky  
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 More options Oct 8 2009, 4:03 pm
Newsgroups: mozilla.dev.performance
From: Boris Zbarsky <bzbar...@mit.edu>
Date: Thu, 08 Oct 2009 16:03:10 -0400
Local: Thurs, Oct 8 2009 4:03 pm
Subject: Re: HTML 5 Canvas: Linux Performance Issues
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On 10/8/09 3:40 PM, Will Daniels wrote:

> That would be cool, though to be honest I haven't really looked at it
> properly myself yet, and no doubt you have bigger fish to fry ;) I
> would be embarrassed if it turned out to be just my lousy javascript
> knowledge. Though on second thoughts, it does work fine in all other
> cases...so I don't know...maybe if someone could just confirm for me
> that it *is* lagged with the standard Mozilla builds for Linux, in
> case I did something wacky with the install?

I can certainly confirm that, in my Linux VM.  No lag on the small
mandelbrot, but quite noticeable lag on the big one.  No visible lag on
either one on the host OS (Mac).

I hadn't gotten past confirming yet, but _something_ is going on there.
  My guess is painting, though that doesn't explain why you don't see it
in the Ubuntu builds....

I believe 64-bit jit will happen in Firefox whatever-is-after-3.6.

-Boris


 
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