Fix incorrect src
argument in broadcast_params
function
#796
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Corrects the
broadcast_params
function to use the first rank of the process group as the source for parameter broadcasting. Previously, the function erroneously passed all ranks of thedata_parallel_group
to thesrc
parameter, which expects a single integer. This update ensures that only the first rank is used as the source, aligning with expectedtorch.distributed.broadcast
usage.