Really nice and useful material, thanks! Can you quantify the "vastly slower" Dalvik interpreter? Is it the factor 5-10 that one typically finds?
Thanks On Jun 7, 1:04 pm, Gav <[email protected]> wrote: > Hi All, > > I have setup some basic tests to compare the runtime of algorithms on > Dalvik Vs those run Natively on a G1. > > The tests can be found here; > > http://code.google.com/p/android-benchmarks/ > > Go to 'source' and checkout with SVN. > > I wrote a brief tutorial on getting JNI to work although I'm sure > there are better ones out there; > > http://gavaiken.blogspot.com/ > > There are a bunch of links at the bottom of this page for those that > are interested in trying JNI; > > http://www.android-internals.org/index.php?title=Main_Page > > Although officially it's not supported there is an NDK planned for the > near future (End of 2009); > > http://groups.google.com/group/android-ndk > > My preliminary results show that quick sort is vastly slower than > native code on the G1 whereas the Sun JVM versus native code (gcc -O2) > are essentially the same on a desktop. > > I'm not saying it's groundbreaking info but it's nice to have some > hard statistics. You'll have to change the output log file names to > run this and have the Code Sourcery compiler installed. > > Cheers, > > Gav --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Discuss" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-discuss?hl=en -~----------~----~----~----~------~----~------~--~---
