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deepspeedai--deepspeed/docs/_posts/2020-03-17-reduce-scatter.md
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ZeRO stage 1 with reduced communication true training ZeRO English Partition-aware ZeRO with up to 2x reduction in communication time!
  • Partition-aware approach instead of initial implementation that used a global collective (all-reduce)
  • Total communication volume reduction 1.5x -> 1x of data parallelism
  • Up to 2x reduction in communication time compared to all-reduce

Further updates coming soon!