Chinese artificial intelligence start-up DeepSeek on Wednesday open-sourced a suite of core tools tailored for Huawei Technologies’ Ascend AI chips, marking a step forward in the country’s push to end dependence on processors from US giant Nvidia amid US export curbs. Hangzhou-based DeepSeek released six software modules that mirror its prior open-source tools for Nvidia’s AI chips, aiming to build a new “independent and controllable” software ecosystem for graphics processing units (GPUs),...