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Includes enhanced support for Non-Uniform Memory Access (NUMA) and systems with large memory pages. Windows Vista also exposes APIs for accessing the NUMA features. Memory pages can be marked as read-only, to prevent data corruption. New address mapping scheme called Rotate Virtual Address Descriptors (VAD). It is used for the advanced Video ...
A system with 512 MB of RAM (the minimum requirement for Windows Vista) can see significant gains from ReadyBoost. [14] [15] In one test case, adding 1 GB of ReadyBoost memory sped up an operation from 11.7 seconds to 2 seconds. However, increasing the physical memory (RAM) from 512 MB to 1 GB (without ReadyBoost) reduced it to 0.8 seconds. [16]
Windows Vista includes Direct3D 10, which adds scheduling and memory virtualization capabilities to the Windows graphics subsystem, as well as support for unified pixel shaders, geometry shaders, and vertex shaders. Significant is the elimination of "capability bits" of previous versions of Direct3D, which previously were used to indicate which ...
Windows Vista binaries include intrinsic support for detection of stack-overflow. When a stack overflow in Windows Vista binaries is detected, the process is killed so that it cannot be used to carry on the exploit. Also Windows Vista binaries place buffers higher in memory and non buffers, like pointers and supplied parameters, in lower memory ...
Windows Vista contains a range of new technologies and features that are intended to help network administrators and power users better manage their systems. Notable changes include a complete replacement of both the Windows Setup and the Windows startup processes, completely rewritten deployment mechanisms, new diagnostic and health monitoring tools such as random access memory diagnostic ...
Windows Vista restricts the amount of memory DPMI programs can have to 32 MB (33,554,432 bytes). The limitation applies to DPMI programs running inside NTVDM. [56] The same is not true for previous versions of Windows. For certain CRT monitors, Windows Vista and later no longer support refresh rates higher than 85 Hz.
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By default, the necessary files are loaded into main memory, but using a feature called ReadyBoost, Windows Vista and Windows 7 can use alternative storage such as USB flash drives, thereby freeing up main memory. Although hard disks may have higher sequential data transfer rates, flash drives can be faster for small files or non-sequential I/O ...
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