Also note chromium builds are slightly slower than Google Chrome
builds because of some #ifdef errors. I've yet found the time to fix
this, I was hoping someone would volunteer in. There is an explanation
bug you can find at http://crbug.com/30888. So in the meantime I don't
recommend comparing across Oses with mixture of chromium and Google
Chrome builds.

M-A

2010/1/27 lembas <[email protected]>:
> Thank you for your fast and quality answers.
>
> On Jan 27, 12:07 pm, Erik Corry <[email protected]> wrote:
>> 2010/1/27 lembas <[email protected]>:
>>
>>
>>
>> > I use 9.04. I installed it anyway using "sudo apt-get install chromium-
>> > browser " and run the test.
>> > The result is:
>> > Score: 4580
>> > Richards: 3810
>> > DeltaBlue: 4347
>> > Crypto: 2754
>> > RayTrace: 5579
>> > EarleyBoyer: 13727
>> > RegExp: 1502
>> > Splay: 8059
>>
>> > As you say, something may be wrong with virtualbox.
>>
>> > As a result we can assume that:
>> > 1. Linux version does not have any reason to be slower.
>>
>> No, the JS speed is slightly slower because it is 64 bit.  Other bits
>> of the browser may well be faster on 64 bit though.  (In fact it is
>> easy to find specific JS benchmarks that are faster on 64 bit V8, eg
>> the SunSpider crypto benchmarks, but on average they are slightly
>> slower.)
>>
>> > 2. There is no compiler tricks for windows that we cannot use for
>> > Linux.
>>
>> Linux and Windows use completely different C++ compilers so there may
>> be small differences here.
>>
>> > 3. No windows specific optimizations are done in V8 source code.
>> > (because most of the users are on windows)
>>
>> There are no Windows-specific optimizations in V8, but at some times
>> there may be some 32-bit specific optimizations since not all
>> optimizations get implemented at the same time for all CPUs (x86, x64,
>> ARM).
>>
>> There's a tiny MacOS-specific optimization for V8 because all
>> Intel-based Macs have SSE2 instructions so we can assume their
>> presence when generating code that is present at browser startup.  The
>> code that is generated after the browser starts up uses SSE2 on
>> non-Macs too if the CPU supports it.  In practice I don't think it
>> makes a  noticable difference.
>>
>> Most of the V8 developers use Linux on their desktops.
>>
>> > Am i right?
>>
>> > On Jan 27, 11:39 am, Kiswono Prayogo <[email protected]> wrote:
>> >> On Wed, Jan 27, 2010 at 4:34 PM, lembas <[email protected]> wrote:
>> >> > I get the following error when executing "sudo aptitude install
>> >> > chromium-browser":
>> >> > Reading package lists... Done
>> >> > Building dependency tree
>> >> > Reading state information... Done
>> >> > Reading extended state information
>> >> > Initializing package states... Done
>> >> > The following packages are BROKEN:
>> >> >  chromium-browser
>> >> > The following NEW packages will be installed:
>> >> >  chromium-browser-inspector{a} chromium-codecs-ffmpeg{a}
>> >> > The following packages will be REMOVED:
>> >> >  cabextract{u} libphonon4{u} libxine1-bin{u} libxine1-ffmpeg{u} phonon
>> >> > {u}
>> >> >  phonon-backend-gstreamer{u}
>> >> > 0 packages upgraded, 3 newly installed, 6 to remove and 0 not
>> >> > upgraded.
>> >> > Need to get 11.8MB of archives. After unpacking 36.8MB will be used.
>> >> > The following packages have unmet dependencies:
>> >> >  chromium-browser: Depends: libgtk2.0-0 (>= 2.18.0) but
>> >> > 2.16.1-0ubuntu2 is installed.
>> >> >                    Depends: libstdc++6 (>= 4.4.0) but 4.3.3-5ubuntu4
>> >> > is installed.
>> >> >                    Depends: libxml2 (>= 2.7.4) but
>> >> > 2.6.32.dfsg-5ubuntu4.2 is installed.
>> >> > The following actions will resolve these dependencies:
>>
>> >> > Install the following packages:
>> >> > chromium-browser [5.0.306.0~svn20100126r37082-0ubuntu2~ucd1~jaunty
>> >> > (<NULL>)]
>>
>> >> > Score is -9920
>>
>> >> > Accept this solution? [Y/n/q/?]
>>
>> >> > Will it break my audio/video codes or uninstall my GTK?
>>
>> >> just press 'n' until there is better solution that doesn't break your
>> >> ubuntu, what version of ubuntu did u use?
>> >> i use 9.10 and doesn't have that problem..
>>
>> >> or try using apt-get instead of aptitude:
>> >> sudo apt-get install chromium-browser
>>
>> >> --
>> >> Regards,
>> >> Kiswono P
>> >> GB
>>
>> > --
>> > v8-users mailing list
>> > [email protected]
>> >http://groups.google.com/group/v8-users
>
> --
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