
Powering AI processors – 48V vertical power delivery changes the game
AI models demand huge current, driving legacy multiphase designs past 50 phases—causing space, thermal, and control limits Vicor addresses
欢迎观看 ExaScaler/PEZY ZettaScaler-2.2 液浸式冷却超级计算机 Gyoukou 的演示。据报道,该超级计算机 2017 年 11 月以 19.1PFlop/s 的性能排在 Top500 第五位并以 14.1GFlops/W 的每瓦性能比稳居 Green500 第四。系统内的每个插槽有 256 个处理器,其采用 48V 分比式电源(一种高效率、高密度的配电架构)。PEZY CPU 与 Vicor 合封电源 (PoP) 模块化电流倍增器 (MCM) 合封在一起,其可在 XPU 位置实现直接 48V 至 1V 以下的高效电流倍增。Gyoukou 超级计算机安装在日本横滨 JAMSTEC 研究所。
Powering AI processors – 48V vertical power delivery changes the game
AI models demand huge current, driving legacy multiphase designs past 50 phases—causing space, thermal, and control limits Vicor addresses
Innovative 48V AI power architecture delivers both high current density and high current gain
Vicor 48V Factorized Power Architecture slashes thermal losses and delivers high current density to meet the extreme power demands of AI processors
48V Factorized Power Architecture™ slashes thermal losses and outperforms multiphase approach when powering AI
AI hardware faces severe power and cooling limits. Engineers debate 48V vs. 6V intermediate buses alongside new vertical power delivery (VPD) structures
大规模为人工智能(AI)供电
Maury Wood 在 Electronic Specifier 播客上介绍为人工智能(AI)供电所面临的挑战,并且揭示了晶圆级处理器的发展趋势

