Hardware2d ago
Huawei HiFloat4 Outperforms MXFP4 On Ascend Chips
Huawei's HiFloat4 training format beat Western-developed MXFP4 in recent Ascend chip performance tests. This development suggests export controls are accelerating Chinese innovation in custom numerical formats. The shift reduces reliance on US-standard hardware specifications. Practitioners should monitor how these proprietary formats affect cross-platform model portability and training efficiency.