![]() The “Multimedia Class Scheduler” service (MMCSS) ensures prioritized access to CPU resources, without denying CPU resources to lower-priority background applications. Multimedia streaming and some games that uses “Multimedia Class Scheduler” service (MMCSS) can only utilize up to 80% of the CPU. Under SystemProfile, create a DWORD value and name it to “NetworkThrottlingIndex” then set its Hexadecimal value to ffffffff for gaming and max throughput: ffffffff completely disables throttling. To implement this tweak, run regedit and modify the registry HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile. It is beneficial to turn off such throttling for achieving maximum throughput. Windows implements a network throttling mechanism, the idea behind such throttling is that processing of network packets can be a resource-intensive task. I have tried it and my latency improved from 110 to 90ms (SEA Server) when playing Dota 2. Note: Some reports say that the tweaks did reduce latency when playing Dota 2 and League of Legends but it doesn’t work for some. TCPNoDelay and set it also to 1 to disable “nagling”.TcpAckFrequency and set it to 1 to disable “nagling” for gaming.HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\ key, create the following DWORD value: To implement this tweak, modify the following registry keys. ![]() Nagle’s algorithm is enabled in Windows by default. ![]() Disabling “nagling” can help reduce latency/ping in some games. This is designed to improve throughput efficiency of data transmission. Nagle’s algorithm combines several small packets into a single, larger packet for more efficient transmissions. ![]() How to Tweak Windows 10 for Gaming Nagle’s Algorithm ![]()
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