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V8: an open source JavaScript engine

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Google engineer, Lars Bak, explains the key engineering decisions behind, V8, the JavaScript virtual machine used in Google Chrome.

Channel: Science & Technology
Uploaded: September 15, 2008 at 2:28 pm
Author: Google

Length: 0:05:21
Rating: 4.81
Views: 25,000

Tags: v8 Javascript browser. google chrome developer open source

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Video Comments:
C7B27D7B4 (Sunday 30th of November 2008 06:37:31 PM)
we need more, better browsers; we don't need one big browser that everyone uses---we had that with ie and it didn't work; diversity and cooperation are what we need; any sensible attempts to speed up js are welcome :-)
Me04120 (Monday 10th of November 2008 06:29:31 PM)
The thing that pisses me off is that there still isn't a flash plugin or java plugin that can work in any 64 bit browser. If I could use a 64 bit browser for everything, things would be so fast.
thenduk (Thursday 20th of November 2008 09:02:39 PM)
You obviously dont know what '64bit' means.
Me04120 (Monday 24th of November 2008 06:41:41 PM)
Fuck you, if everything was 64 bit it would be faster. I have used 64 bit firefox and it blows 32 bit out of the water. Don't bring the bullshit argument that 64 bit only allows more RAM and in reality is it only like 10 percent faster. Running 32 bit apps on a 64 bit version of windows is slow because the emulation is slow. If I had a 32 bit OS on the same computer yeah it wouldn't make much difference, but guess what I don't.
thenduk (Monday 24th of November 2008 08:46:04 PM)
Eh, no dude. It's not 'only 10 percent faster'... see, 64 bit means that integers are 64 bits long rather than 32... It has exactly nothing to do with 'speed' of any sort. There is no 'emulation' going on, either. I'm not going to continue this discussion, however, since what you need is not a thorough owning from me but instead a trip to wikipedia.
akbg (Friday 28th of November 2008 03:15:48 PM)
Well, if you run a 32-bit application on top of a 64-bit processor you can't utilise all the added registers included in x86-64 instruction set, so you're theoretically right but practically slightly wrong. (In fact a 64-bit application can be even slower of a 32-bit one if they make massive use of pointers, because they allocate more RAM and so they provoke more cache and memory faults.)
thenduk (Friday 28th of November 2008 07:22:03 PM)
You're a joke. Seriously, wikipedia.
akbg (Friday 28th of November 2008 07:26:30 PM)
Well, please, instead of repeat "RTFM" can you tell me where (do you think) I'm wrong?
Me04120 (Wednesday 5th of November 2008 02:35:59 PM)
Basically, they made V8 really fast, but TraceMonkey has been in development for like 2 months now and it's almost as fast. I'm sure that Firefox programmers are going to look at V8 and see what can be done to make TraceMonkey even better. If google wants to work on a browser I don't know why that made there own rather than contribute to Firefox. Chrome still has many problems with rendering and stuff. Plus, Firefox has such a large plugin base.
steblublu (Monday 10th of November 2008 09:00:34 AM)
they made Chrome & V8 to encourage development of their Android platform.


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