Download E-books Android on x86: An Introduction to Optimizing for Intel Architecture PDF

By Darren Cummings

Android on x86: an creation to Optimizing for Intel® Architecture serves major reasons. First, it makes the case for adapting your functions onto Intel’s x86 structure, together with discussions of the enterprise power, the altering panorama of the Android market, and the original demanding situations and possibilities that come up from x86 units. the basic concept is that extending your purposes to aid x86 or growing new ones isn't tough, however it is central to understand all the technicalities. This booklet is devoted to giving you an know-how of those nuances and an knowing of ways to take on them.

Second, and most significantly, this e-book offers a one-stop specified source for top practices and approaches linked to the set up concerns, optimization concerns, software program requisites, programming projects, and function optimizations that emerge while builders examine the x86 Android units. Optimization discussions dive into local code, acceleration, and complicated profiling of multimedia functions. The authors have gathered this knowledge that you should use the publication as a advisor for the categorical necessities of every software project.

This booklet isn't really devoted completely to code; as an alternative it really is full of the knowledge you wish for you to reap the benefits of x86 structure. it is going to consultant you thru fitting the Android SDK for Intel structure, assist you comprehend the diversities and similarities among processor architectures to be had in Android units, educate you to create and port functions, debug latest x86 functions, provide strategies for NDK and C++ optimizations, and introduce the Intel speeded up Execution supervisor. This e-book offers the main worthy details that will help you get the task performed quick whereas using top practices.

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Bash_profile 2013-01-30 00:42 1,919 . inputrc 2012-12-01 08:58 8,956 . mkshrc 2013-01-30 00:42 1,236 . profile locate . bash_profile within the deploy listing cygwin\home\\ dossier. consequently, it really is D:\cygwin\home\hlgu\. Bash_profile. To the tip of the dossier, upload the next code: NDK= export NDK ANDROID_NDK_ROOT= export ANDROID_NDK_ROOT the road corresponds to the deploy listing of the NDK package deal. (In this instance, it’s D:\Android\android-ndk-r8d. ) Cygwin offers a directory-conversion mechanism. upload /cygdrive/DRIVELETTER/ in entrance of the listing to consult the detailed listing within the force. the following, DRIVELETTER is the driving force letter of the listing. think of this instance: NDK= /cygdrive/d/Android/android-ndk-r8d export NDK ANDROID_NDK_ROOT=/cygdrive/d/Android/android-ndk-r8d export ANDROID_NDK_ROOT confirm even if the command might be run via checking out the make command. C:\Documents and Settings\hlgu>make -v GNU Make three. eighty two. ninety outfitted for i686-pc-cygwin Copyright (C) 2010 unfastened software program origin, Inc. License GPLv3+: GNU GPL model three or later this is often loose software program: you're loose to alter and redistribute it. there is not any guaranty, to the level authorized by means of legislation. if you happen to see this output, it capability the make command is operating commonly. ensure the model of make is three. eight. 1 or above, simply because all examples during this consultation desire v3. eight. 1 or above with a view to be compiled effectively. you can now try out the gcc, g+, gcj, and gnat instructions: C:\Documents and Settings\hlgu>gcc -v entry denied. C:\Documents and Settings\hlgu>g++ -v entry denied. C:\Documents and Settings\hlgu>gcj entry denied C:\Documents and Settings\hlgu>gnat entry denied. should you get the entry denied message, you want to proceed the next steps. another way, the set up is done effectively. lower than the bin listing of Cygwin, delete the gcc. exe, g++. exe, gcj. exe, and gnat. exe documents. less than a similar listing, pick out the wanted gcc, g++, gcj, and gnat documents that fit the model. for instance, model four corresponds to gcc-4. exe, g++-4. exe, gcj-4. exe, and gnat-4. exe. Make copies of these documents and rename the copied records gcc. exe, g++. exe, gcj. exe, and gnat. exe. Now try back to determine if gcc and the opposite instructions can run: C:\Documents and Settings\hlgu> gcc -v utilizing integrated requisites, you will find which instructions can be found: COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/i686-pc-cygwin/4. five. 3/lto-wrapper. exe goal: i686-pc-cygwin Configured with: /gnu/gcc/releases/respins/4. five. 3-3/gcc4-4. five. 3-3/src/gcc-4. five. 3/co nfigure --srcdir=/gnu/gcc/releases/respins/4. five. 3-3/gcc4-4. five. 3-3/src/gcc-4. five. three -- prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --libexecdi r=/usr/lib --datadir=/usr/share --localstatedir=/var --sysconfdir=/etc --dataroo tdir=/usr/share --docdir=/usr/share/doc/gcc4 -C --datadir=/usr/share --infodir=/ usr/share/info --mandir=/usr/share/man -v --with-gmp=/usr --with-mpfr=/usr --ena ble-bootstrap --enable-version-specific-runtime-libs --libexecdir=/usr/lib --ena ble-static --enable-shared --enable-shared-libgcc --disable-__cxa_atexit --with- gnu-ld --with-gnu-as --with-dwarf2 --disable-sjlj-exceptions --enable-languages= ada,c,c++,fortran,java,lto,objc,obj-c++ --enable-graphite --enable-lto --enable- java-awt=gtk --disable-symvers --enable-libjava --program-suffix=-4 --enable-lib gomp --enable-libssp --enable-libada --enable-threads=posix --with-arch=i686 --w ith-tune=generic --enable-libgcj-sublibs CC=gcc-4 CXX=g++-4 CC_FOR_TARGET=gcc-4 CXX_FOR_TARGET=g++-4 GNATMAKE_FOR_TARGET=gnatmake GNATBIND_FOR_TARGET=gnatbind - -with-ecj-jar=/usr/share/java/ecj.

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