[c10d] Update backend arg documentation
#142404
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added
oncall: distributed
| If neither ``backend`` nor ``device_id`` is provided, c10d will | ||
| detect the accelerator on the run-time machine and use a backend | ||
| known for that detected accelerator (or ``cpu``). |
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didn't we require users to specify backend if an accelerator other than Nvidia GPU is detected?
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We will error out and ask for the backend field if we do not know which backend to use for the device. This is general.
Update doc to reflect change brought by #142216 cc H-Huang awgu wanchaol fegin fduwjj wz337 wconstab d4l3k c-p-i-o [ghstack-poisoned]
Update doc to reflect change brought by #142216 cc H-Huang awgu wanchaol fegin fduwjj wz337 wconstab d4l3k c-p-i-o [ghstack-poisoned]
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@pytorchbot merge |
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@pytorchbot merge -f "just doc; build failure is orthogonal" |
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Stack from ghstack (oldest at bottom):
backendarg documentation #142404Update doc to reflect change brought by #142216
cc @H-Huang @awgu @wanchaol @fegin @fduwjj @wz337 @wconstab @d4l3k @c-p-i-o