Hardware4h ago
Huawei HiFloat4 Outperforms MXFP4 on Ascend Chips
Huawei's HiFloat4 training format beat Western-developed MXFP4 in a performance test on Ascend chips. This development suggests that U.S. export controls are accelerating China's pursuit of independent hardware optimization. The shift reduces reliance on international standards. Practitioners should monitor how these custom formats affect cross-platform model portability and training efficiency.