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i/o performance
About this tag
Discussions tagged with i/o performance on WindowsForum.com cover real-world tuning and troubleshooting of storage and thread behavior in Windows. One thread examines Windows 11's Dev Drive, a ReFS-formatted volume with Defender performance mode that improves build times, git operations, and file copies for developers. Another thread addresses a Windows 7 issue where a single thread set to Real Time priority and busy-waiting for I/O causes the entire OS to freeze, a problem not seen in Windows XP. These posts reflect common concerns around balancing responsiveness and system stability when optimizing I/O performance on Windows.
Windows 11’s Dev Drive is one of those under-the-radar features that can materially shorten build times, speed up repository operations, and reduce the friction of daily developer work—provided you use it the way Microsoft intended. In short: Dev Drive is a ReFS-formatted storage volume tuned...
Hey,
I just mooved from WinXP to Win7 with my software.
My software needs to have real time response to I/O so it makes busy-wait in one thread (wich has affinity to run on one CPU).
The result is 100% CPU on one of the cores and 0 CPU for others, in WinXP it worked just fine.
In win7 the...