作者：华清远见3G学院。《Android多媒体编程从初学到精通》第三章、多核通信。在2010年末，智能终端的CPU得到了快速发展，高端的智能终端已经采用了Cortex-A8的双核处理器。而在平板电脑上，Nvidia开发的基于Cortex-A9的双核处理器Tegra 2则成了市场的宠儿。通信离不开内存的操作，在Qucalcomm平台上，内存一般分为3种：基带内存（Modem Memory）、应用内存（Application Memory）和共享内存，其中系统MPU保护基带内存不被aARM接入，ARM MMU保护应用内存不被mARM接入。在本章中，将主要介绍基于共享内存的多核通信。-Author: HuaQing vision 3 G institute. "The Android multimedia programming from beginner to proficient in chapter 3 of, many nuclear communication. In late 2010, the intelligent terminal CPU are growing rapidly, the high-end intelligent terminal has already adopted the A8 Cortex-the dual-core processor. And in the flat on the development of computer, Nvidia based on Cortex A9 dual-core processor-the Tegra 2 then became the darling of the market. Communication cannot leave the operation of the Memory, in Qucalcomm platform, the Memory can be divided into three kinds: general baseband Memory (with Memory of a Modem), Application Memory (Application with Memory) and Shared Memory, among them, the system MPU protection will not be aARM baseband Memory access, ARM MMU protection Application will not be mARM Memory access. In this chapter, we introduce the based on the sharing memory many nuclear communication.