https://dailydigest.aabot.us/zh/tags/ai%E5%9F%BA%E7%A1%80%E8%AE%BE%E6%96%BD/ Recent content in AI基础设施 on Deep Research Hugo zh-CN Mon, 13 Apr 2026 08:00:00 -0700 https://dailydigest.aabot.us/zh/posts/2026-04-13-hbm4-and-the-ai-memory-wall/ Mon, 13 Apr 2026 08:00:00 -0700 https://dailydigest.aabot.us/zh/posts/2026-04-13-hbm4-and-the-ai-memory-wall/ AI算力每代增速是内存带宽的3倍。HBM4承诺的2 TB/s是一项工程奇迹——但仍然不够。