Atom optimization

[Chih-Wei Huang]

Hi,
I have back-ported Intel's Dalvik Atom bytecode optimization
to froyo-x86 from the master branch. To build it, specify
TARGET_ARCH_VARIANT=x86-atom, like

$ make -jX iso_img TARGET_ARCH_VARIANT=x86-atom

It enables:
* SSE2, SSSE3 optimization (for memcpy, strcmp, ...) in bionic.
* Atom fast byte-code interpreter engine in dalvik.

The improvement is not very significant as expected,
but is better than nothing... :p
(check my blog for benchmark results)

Note the optimized image can only run on
an atom CPU machine (core i series is ok).
It cannot be used on older EeePC models
with Celeron M CPU (like 701, 900).

--
Chih-Wei
Android-x86 project
http://www.android-x86.org
http://cwhuang.info

[l2gb...@gmail.com]

Hello are you located in China and also do you work for a company or do you do this free lance personal hobby?
Sent on the Sprint® Now Network from my BlackBerry®

--
You received this message because you are subscribed to the Google Groups "Android-x86" group.
To post to this group, send email to andro...@googlegroups.com.
To unsubscribe from this group, send email to android-x86...@googlegroups.com.
For more options, visit this group at http://groups.google.com/group/android-x86?hl=en.

[AvengerMoJo]

Which branch should I check out your update to get this variant
working? Thanks

[AvengerMoJo]

http://git.android-x86.org/?p=platform/build.git;a=patch;h=8b9685abc616f539527bff4bc31afbd876c4ce3d

I see the atom flag patch in the above link however the variant check
does not include such a choice. May be I'm missing something?

[AvengerMoJo]

Sorry guys, miss read the TARGET_ARCH_VARIANT as TARGET_BUILD_VARIANT

On 9月27日, 上午12时29分, AvengerMoJo <avengerm...@gmail.com> wrote:
> http://git.android-x86.org/?p=platform/build.git;a=patch;h=8b9685abc6...