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Understanding Battery and Start-up Impact on Windows 10
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<blockquote data-quote="Ink" data-source="post: 615742" data-attributes="member: 3"><p><strong>Microsoft Developer Network: <a href="https://msdn.microsoft.com/windows/compatibility/startup-apps" target="_blank">Desktop Startup apps - Compatibility Cookbook</a></strong></p><p></p><p style="text-align: center"><u>Overview</u></p><p></p><p>This topic explains how the impacts that start-up apps have on a Windows device, and provides guidance to developers and OEMs to rethink the usage patterns of start-up apps in order to improve battery life and responsiveness. - More at Source.</p><p></p><p>To ensure Windows users have a great experience on any form factor, the two key success metrics that need to be addressed are increased battery life and <u>excellent PC responsiveness</u>.</p><p></p><p>To achieve these, improvements have been made in multiple areas of Windows including:</p><p style="margin-left: 20px">process life cycle</p> <p style="margin-left: 20px">sleep states</p> <p style="margin-left: 20px">start-up apps (apps with automated launch after machine boot)</p><p></p><p style="text-align: center"><u>Differences in Battery and Responsiveness</u></p><p></p><p><strong>Windows Store (UWP) apps</strong> - follow <u>new standards of battery consumption and responsiveness</u>, and Windows manages their life cycle by suspending and/or terminating them.</p><p></p><p><strong>Desktop (Win32) apps</strong> - designed for prior Windows versions <u>have not necessarily been designed to preserve battery life</u> or be sensitive to user activity, and <u>can affect system responsiveness</u>.</p><p></p><p></p><p style="text-align: center"><u>Locations for Start-up apps</u></p> <ul> <li data-xf-list-type="ul"><strong>Run </strong>registry keys (<strong>HKLM</strong>, <strong>HKCU</strong>, <strong>wow64</strong> nodes included)</li> <li data-xf-list-type="ul"><strong>RunOnce</strong> registry keys</li> <li data-xf-list-type="ul"><strong>Startup folders</strong> under the start menu for per user and public locations</li> </ul><p>Since start-up apps run in the background, the number of apps running on the system can be significantly more than what the user is aware of and affect system responsiveness.</p><p></p><p style="text-align: center"><u>Start-up Tab</u></p><p></p><p>In Task Manager, a list of start-up apps are shown, along with controls that allow users to disable start-up apps. To help users determine what to disable, Task Manager displays a measure of each Start-up app’s Impact. </p><p></p><p>The Impact is assessed <u>based on an app’s CPU and disk usage</u> at start-up.</p><ul> <li data-xf-list-type="ul"><strong>High impact</strong> - [more than 1 second of CPU time] <em>or</em> [more than 3 MB of disk I/O]</li> <li data-xf-list-type="ul"><strong>Medium impact</strong> - [use 300 ms - 1000 ms of CPU time] <em>or</em> [300 KB - 3 MB of disk I/O]</li> <li data-xf-list-type="ul"><strong>Low impact</strong> - [less than 300 ms of CPU time] <em>and</em> [less than 300 KB of disk I/O]</li> </ul> <p style="text-align: center"><u>Screenshot</u></p><p></p><p>[ATTACH]145252[/ATTACH] </p><p><em>Image: Typical Start-up tab on Windows Task Manager</em></p><p><em></em></p><p><em><span style="font-size: 12px">Disclaimer: All information in this post has been provided from the source at the top of this page, and I would hope this make it's easier to understand, without having to blindly copy and paste everything.</span></em></p></blockquote><p></p>
[QUOTE="Ink, post: 615742, member: 3"] [B]Microsoft Developer Network: [URL="https://msdn.microsoft.com/windows/compatibility/startup-apps"]Desktop Startup apps - Compatibility Cookbook[/URL][/B] [CENTER][U]Overview[/U][/CENTER] This topic explains how the impacts that start-up apps have on a Windows device, and provides guidance to developers and OEMs to rethink the usage patterns of start-up apps in order to improve battery life and responsiveness. - More at Source. To ensure Windows users have a great experience on any form factor, the two key success metrics that need to be addressed are increased battery life and [U]excellent PC responsiveness[/U]. To achieve these, improvements have been made in multiple areas of Windows including: [INDENT]process life cycle sleep states start-up apps (apps with automated launch after machine boot)[/INDENT] [CENTER][U]Differences in Battery and Responsiveness[/U][/CENTER] [B]Windows Store (UWP) apps[/B] - follow [U]new standards of battery consumption and responsiveness[/U], and Windows manages their life cycle by suspending and/or terminating them. [B]Desktop (Win32) apps[/B] - designed for prior Windows versions [U]have not necessarily been designed to preserve battery life[/U] or be sensitive to user activity, and [U]can affect system responsiveness[/U]. [CENTER][U]Locations for Start-up apps[/U][/CENTER] [LIST] [*][B]Run [/B]registry keys ([B]HKLM[/B], [B]HKCU[/B], [B]wow64[/B] nodes included) [*][B]RunOnce[/B] registry keys [*][B]Startup folders[/B] under the start menu for per user and public locations [/LIST] Since start-up apps run in the background, the number of apps running on the system can be significantly more than what the user is aware of and affect system responsiveness. [CENTER][U]Start-up Tab[/U][/CENTER] In Task Manager, a list of start-up apps are shown, along with controls that allow users to disable start-up apps. To help users determine what to disable, Task Manager displays a measure of each Start-up app’s Impact. The Impact is assessed [U]based on an app’s CPU and disk usage[/U] at start-up. [LIST] [*][B]High impact[/B] - [more than 1 second of CPU time] [I]or[/I] [more than 3 MB of disk I/O] [*][B]Medium impact[/B] - [use 300 ms - 1000 ms of CPU time] [I]or[/I] [300 KB - 3 MB of disk I/O] [*][B]Low impact[/B] - [less than 300 ms of CPU time] [I]and[/I] [less than 300 KB of disk I/O] [/LIST] [CENTER][U]Screenshot[/U][/CENTER] [ATTACH]145252[/ATTACH] [I]Image: Typical Start-up tab on Windows Task Manager [SIZE=3]Disclaimer: All information in this post has been provided from the source at the top of this page, and I would hope this make it's easier to understand, without having to blindly copy and paste everything.[/SIZE][/I] [/QUOTE]
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