legal high
网友测试微软 Win10/Win11 压缩系统文件功能：比例 1.8:1，性能影响约 1%_我的网站
一 | 8 月 25 日消息，科技媒体 NeoWin 昨日（8 月 24 日）发布博文，指出在 Windows 10、Windows 11 系统中，微软内置整合 Compact OS 功能，可以压缩 Windows 系统文件，从而减少系统在磁盘上的占用空间。查询公开资料，Compact OS 并非新功能，最早可以追溯到 2014 年推出的 Windows 10 Build 9879 预览版，在 2015 年发布的 Windows 10 1507 更新中上线，可以压缩系统的核心文件，为硬盘释放数 GB 的宝贵空间。微软表示，该功能适用于存储空间和内存有限的设备，通常能为系统盘节省 2GB~4GB 的存储空间，最早是为了照顾 32GB 甚至 16GB 存储的低端平板和轻薄本。
After the Institute of Care-life, a Chengdu-based disaster reduction laboratory, mistakenly issued a 7.7-magnitude alert for a 4.7-magnitude earthquake, the Sichuan earthquake agency on Monday accused the institute of using the name of the official earthquake early warning network without authorization, saying its authorization to use the network had already been terminated last month.
A 4.7-magnitude earthquake struck Yibin at 8:26 am on Monday, according to the China Earthquake Networks Center. However, the Institute of Care-life issued a 7.7-magnitude earthquake alert just five seconds after the quake struck, causing panic among many users.
The institute used the name of the "China Earthquake Early Warning Network" (an early warning system under the China Earthquake Administration) without authorization to issue a 7.7-magnitude earthquake alert to the public through Honor and Vivo smartphones, as well as Xiaotiancai smartwatches, drawing widespread public attention, said the Sichuan earthquake agency in a statement.
The agency said it had terminated the institute's third-party authorization to access emergency earthquake information services from the China Earthquake Early Warning Network on July 22, 2026.
In response to the false alarm, the Institute of Care-life said that its earthquake early-warning network initially estimated the quake at magnitude 7.7 five seconds after it occurred, before revising the estimate to 6.4 at the sixth second, 3.7 at the seventh second, 4.1 at the eighth second and 3.9 at the 16th second. The estimated magnitude automatically converged to 3.9 by the 17th second after the earthquake, the institute said.
Addressing the significant discrepancy, the Institute of Care-life said that deviations in estimates of an earthquake's magnitude and epicenter are inevitable to some extent, as early-warning information is generated automatically shortly after a quake begins, before the seismic event has ended.
The Institute of Care-life apologized for the inaccurate alert and said it would investigate the cause as soon as possible while improving its technology and services.
Global Times
。微软自身的文件夹大小对比测试表明，这种方式可以节省大量空间。在一台配备 4GB 内存的 Windows 10 x64 系统上，未启用 Compact OS 时，文件夹占用空间约为 15.06GB；而启用 Compact OS 后，文件夹占用空间约为 11.3GB。如果同时启用单实例模式，文件夹占用空间还会进一步降至约 10.09GB。性能影响方面，微软表示实际性能影响实际上取决于存储设备和计算设备的相对性能。
二 | 压缩意味着读取次数更少，这会从存储设备中删除负载并提高 I/O 性能; 以及更多解压缩，这会增加 CPU 负载并降低性能。激活方式为以管理员身份打开命令提示符 (CMD) 并输入：compact /compactos:always根据网友晒出的测试图片，在启用该选项后，压缩比例为 1.8:1（相当于被缩减了约 44.4% 的体积，只剩下了原来大约 55.6% 的大小），性能影响约为 1%。
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Published on:10:17:17
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