Hardware3h ago
Huawei HiFloat4 Outperforms MXFP4 In Chip Tests
Huawei's HiFloat4 training format beat Western-developed MXFP4 during tests on Ascend chips. This performance gap suggests export controls are accelerating Chinese development of custom numerical formats. The shift optimizes hardware efficiency under resource constraints. Practitioners should monitor how these proprietary formats affect cross-platform model portability and training stability.