Point of view, memory-mapped I/O devices look very much like memory devic
空 间。从处理器的观点看，内存映射I/O设备看上去很象内存一样。
From the processors poi nt of view, memory-mapped I/O devices look very much like memory devices.
从处理器的观点看，内存映射I/O设备看上去很象内存一样。
For example, the bus driver for the Peripheral Component Interconnect bus is the software component that actually detects that your card is plugged into a PCI slot and determines the requirements your card has for I/O-mapped or memory-mapped connections with the host.
比如，对于周边元件扩展接口总线的总线驱动是一个软件成分，它实际上检测：你的卡插在了一个PCI插槽上，并且确定你的卡对于连结到主机的I/O映射和内存映射的请求。
It improves the stability and hard real-time property of the system using memory-mapped files, multi-thread technology, multimedia timer and synchronous object.
在实现过程中采用了多媒体定时器、内存映射文件、多线程、同步对象等技米，保证了系统的稳定性和强实时性。
X-DSP offers seven basic addressing modes, they are immediate addressing, absolute addressing, accumulator addressing, direct addressing, indirect addressing, memory-mapped register addressing, and stack addressing.
X-DSP提供七种基本寻址方式，分别为立即寻址、绝对寻址、累加器寻址、直接寻址、间接寻址、存储器映射寄存器寻址和堆栈寻址。
As the name implies, a memory-mapped file maps a file-like construct to an address in memory.
顾名思义，一个内存映射文件将一个类似文件的结构映射到内存的地址中。
Each SPE has full access to coherent shared memory, including the memory-mapped I/O space.
每个SPE都可以完全访问连续的共享内存，包括内存映射的I/O空间。
Memory-mapped files allow applications to work with incredibly large files, even in excess of a gigabyte, in a highly efficient manner.
内存映射文件让应用程序可以操作非常庞大的文件，甚至上G的文件也可高效地处理。
Other functionality that these libraries provide include IPC's memory-mapped I/O and MPI's broadcast ability.
这些库提供的其他功能包括IPC的内存映射I/O和MPI的广播功能。
To make capabilities like the Index view possible, CDT developers created a new parsing process that stores its results in memory-mapped files.
为使诸如Index视图这样的功能可用，CDT开发人员创建了一个新的解析过程，该解析过程将其结果存储于内存映射文件中。
In addition to raw file I/O, memory-mapped files provide a powerful means of communication between processes.
另外，对于底层文件I/O，内存映射文件提供了强大的方法来与进程通信。
PC can directly get access to the memory of DSP, including memory-mapped peripheral on chip, and read from or write to it.
通过HPI口PC机可实现直接访问DSP的存储空间（包括映射的片内外设），并实现对DSP存储空间的读、写功能，同时在高级语言下完成了对DSP应用系统的在线监控。
TL084MJ Pinout: 3.3V Operation with 5V Tolerant Buffers ACPI 1.1, PC99/PC2001 Compliant LPC Interface with Clock Run Support Serial IRQ Interface Compatible with Serialized IRQ Support for PCI Systems 15 Direct IRQs Four 8-Bit DMA Channels ACPI SCI Interface nSMI Shadowed write only registers Internal 64K Flash ROM Programmed From Direct Parallel Interface, 8051, or LPC Host 2k-Byte Lockable Boot Block Can be Programmed Without 8051 Intervention Three Power Planes Low Standby Current in Sleep Mode Intelligent Auto Power Management for Super I/O ACPI Embedded Controller Interface Configuration Register Set Compatible with ISA Plug-and-Play Standard (Version 1.0a) High-Performance Embedded 8051 Keyboard and System Controller Provides System Power Management System Watch Dog Timer 8042 Style Host Interface Supports Interrupt and Polling Access 256 Bytes Data RAM On-Chip Memory-Mapped Control Registers Access to RTC and CMOS Registers Up to 16x8 Keyboard Scan Matrix Two 16 Bit Timer/Counters Integrated Full-Duplex Serial Port Interface Eleven 8051 Interrupt Sources Thirty-Two 8-Bit, Host/8051 Mailbox Registers Thirty-six Maskable Hardware Wake-Up Events Fast GATEA20
TL084MJ引脚说明：3.3V工作电压为5V容错缓冲器的ACPI 1.1，PC99/PC2001符合LPC接口与时钟运行支持-兼容串行接口与串行的IRQ IRQ的支持PCI系统- 15直接的IRQ - 4个8位DMA通道- ACPI的SCI接口- nSMI -阴影只写寄存器内部的64K的Flash ROM -直接从程序并行接口，8051，还是LPC主机-的2K字节可锁定引导块-可在不干预程序8051三力飞机-低待机电流在休眠模式-智能型自动电源管理的超级I/O的ACPI嵌入式控制器接口配置寄存器设置兼容的ISA拆开的播放标准（版本1.0a）高性能嵌入式8051键盘和系统控制器-提供系统电源管理-系统监视狗定时器- 8042型主机接口-支持中断和轮询访问- 256字节数据RAM -片上存储器映射控制寄存器-获取实时时钟和CMOS寄存器-最多16x8矩阵键盘扫描- 2个16位定时器/计数器-综合全双工串行接口- 11个中断源8051 - 32个8位，Host/8051邮箱寄存器- 36个可屏蔽硬件唤醒事件-快速GATEA20
High performance (SendFile API support and memory-mapped files)
高性能（支持SendFileAPI和内存映射文件）
With the next version of the BCL, . NET developers will be able to use memory-mapped files directly instead of via platform invoke calls.
在BCL的下一个版本中，.NET开发人员将能够直接使用内存映射文件，而无需通过平台调用的方式。
Rendering of large-scale scene is considered as the vital factor that improves thesense of reality in computer animation. Based on the auxiliary memory technique in real rendering, this paper presents a mainframe of memory cache and demand-oriented loading principle by adopting memory-mapped file and multi-thread technology. Then we propose an approach to schedule the data flow between main memory and auxiliary memory by utilizing memory-mapped file. And the implementation of priority-based asynchronous loading, data prefetching and dynamic configuration is also fully described. According to the hierarchy of cache memory in the architecture of GPU and CPU, an optimization method in pretreatment period of offline geometric data arrangement is proposed, further exploiting the potentials of display card in the way that prefetching and caching could be achieved automatically.
大规模场景的快速绘制技术是提高动画真实感的关键，本文在实时绘制中的外存技术的基础上，提出了一个基于内存映射文件和多线程技术实现的缓存和按需装载的框架，给出了利用内存映射文件技术来管理内外存之间的数据调度方法，利用多线程技术实现具有优先级的异步装载，数据预取和动态置出；并提出了一种专门针对GPU和CPU体系结构中缓存层次结构特点的离线几何数据排布优化方案，使得显卡性能得到进一步挖掘，预取和缓存工作自动完成。