Hrd in AIX 7.1 - what's it good for ?

greetings -
just noticed that on my aix 7.1 systems, they're running 'hrd' under SRC. Some lite googling reveals an association with HFI, which I believe is the p775 HPC interface ?

Does this subsys perform any useful function other than supporting HFI ? Particularly on a 9133-55a which can't spell HFI ?

TIA... (that's Thanks In Advance, not Total Infotainment Awareness)

btt , anyone out there ?

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