Peter Jeremy wrote: > A userland program could perform the cpuid functions itself just as > easily as extracting the information from a sysctl. In theory, yes, but not if it's a "system overview" kind of tool not written by someone who knows assembler or for someone who just wants to call a library's "enableSSE()" function, or if the program's not written in C... It would be a good thing to have this facility, and done right (not like text-parsing /proc/cpuinfo in Linux).
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