When and Why SignSGD Outperforms SGD: A Theoretical Study Based on ll_1-norm Lower Bounds
Hongyi Tao, Dingzhi Yu, Lijun Zhang
- Published
- May 7, 2026 — 17:32 UTC
By Callan Zhang · May 7, 2026 · Editorial standards →
Summarised from the primary source with AI assistance under human editorial oversight. Turing Wire is not a primary source — read the original for the authoritative account.
Source: arXiv cs.AI