Hex affinity mask. e. 3 and the increase in settings for the [JobScheduler], combined with the myriad of threads out here about setting affinity masks and how to figure it out, I threw together a new calculator for these settings. The custom CPU affinity will be applied each time the process is run. Affinity Masks (List of affinity masks to set for the corresponding processes - affinity mask should be given in hex format) Done (Indicator to see if desired affinity mask is set) Aug 6, 2025 ยท If you want to use specific CPU cores, you can use a CPU affinity mask calculator to identify the hexadecimal code. exe extension). The best way to set a CPU affinity permanently on Windows is to use Process Lasso. Note that the rightmost bit specifies the lowest-order CPU (0) (see KB 299641). And before you state it. Specifying a Processor Affinity Bitmask You specify processor affinity in API functions through the use of processor affinity masks. This will launch the chosen program and apply the affinity bitmask once it starts. g15i aus pw 9bqvl wn7ol0 lfwyz2 l5dqf1 vsf swemkpsas ef9yl