首先是性能差距。国产GPU在单卡算力方面快速追赶，但在集群效率、互联带宽、软件栈成熟度等方面仍与英伟达存在差距。一个3000卡的国产集群，实际有效算力可能仅相当于同等规模英伟达集群的60%-70%。这意味着完成相同训练任务需要更多芯片、更长时间、更复杂的并行优化——这些最终都将转化为成本。
报道指出：“检查证实，该水面载具仍处于可操作状态且载有弹头。考虑到评估后的风险，当局决定将该无人艇拖曳至离海岸线约四公里处，并通过受控引爆方式将其销毁。”，更多细节参见WhatsApp 網頁版
战斗机如何获得命名？梳理国产以“龙”为名的各型战机，更多细节参见Line下载
Фото: Majid Asgaripour / WANA (West Asia News Agency) via Reuters
The Strait of Hormuz, bordering Iran to the South, is a critical route that enables an estimated 20% of global liquified natural gas and gas shipments through the Persian Gulf. Experts have said the closing of this route would amount to an oil shock greater than that of the 1970s in which gas prices surged by 40% and long lines at the pump were the norm.