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If you are referring to assembly instructions the two general approaches are: Check desired functionality against flags output from cpuinfo, example output: flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs ...


You could use the kernel isolcpus option in conjunction with the taskset command. On the Raspberry Pi reserve the core(s) you want to use by appending the following to the line in /boot/cmdline.txt. E.g. to reserve cores 2 and 3. isolcpus=2,3 Then use taskset to assign programs to the core(s). E.g. to launch the Python interpreter. taskset -c 3 python ...

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