HeLoCo corrects misaligned pseudo-gradients in asynchronous low-communication training via outer momentum reference, yielding up to 7.5% better loss at fixed tokens and 22.1% over synchronous under severe heterogeneity.
arXiv preprint arXiv:2401.00809 , year=
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HeLoCo: Efficient asynchronous low-communication training under data and device heterogeneity
HeLoCo corrects misaligned pseudo-gradients in asynchronous low-communication training via outer momentum reference, yielding up to 7.5% better loss at fixed tokens and 22.1% over synchronous under severe heterogeneity.