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GB200 NVL72

GB200 NVL72是NVIDIA推出的一款高密度AI计算系统,采用Blackwell架构,将多颗GB200超级芯片(GPU与CPU组合)集成于单一机架单元中。该系统通过NVLink高速互联技术将各计算节点紧密连接,形成统一的大规模并行计算平台,主要面向大型语言模型训练、推理及高性能科学计算等密集型AI工作负载场景。

Timeline (last 90 days)

Sep 24

The NVIDIA GB200 NVL72 adopts a liquid-cooled rack with approximately 130 TB/s communication bandwidth, presenting extremely high system engineering barriers.

Unverified50%
Sep 11

NVIDIA has launched rack-level systems such as the GB200 NVL72.

Unverified50%

All Facts (14)

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NVLink Switch的拓扑并非完全扁平,经过不同层级Switch的通信路径在延迟和有效带宽上存在差异

90%
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Slurm支持拓扑感知作业调度功能,可用于优化GB200 NVL72系统的工作负载放置

90%
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GB200 NVL72在FP8精度下的AI算力可达1.44 ExaFLOPS

90%
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整个NVL72系统的总显存容量超过13TB

90%
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传统Slurm调度器以节点为基本单位分配资源,在NVL72架构下会导致资源碎片化和通信效率下降问题

85%
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Slurm的topology plugin可以将NVL72的NVLink拓扑信息注入调度器,实现拓扑感知的分配决策

85%
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GB200 NVL72的72块GPU可以按照NVLink拓扑结构划分为不同粒度的块,包括9个8-GPU块、4个18-GPU块、2个36-GPU块或1个72-GPU块

85%
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GB200 NVL72是面向超大规模AI训练和推理场景的旗舰级计算平台

85%
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GB200 NVL72将NVLink互联从单节点内部扩展到了整个机架级别,机架内任意两块GPU之间都能通过NVLink直接通信

70%
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GB200 NVL72中的72颗GPU通过NVLink Switch芯片实现全互联

70%
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NVIDIA GB200 NVL72在单个机架内集成了72颗Blackwell GPU

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The NVIDIA GB200 NVL72 adopts a liquid-cooled rack with approximately 130 TB/s communication bandwidth, presenting extremely high system engineering barriers.

50%
Unverified

NVIDIA has launched rack-level systems such as the GB200 NVL72.

50%
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随着AI模型参数量持续膨胀,单个训练作业跨越多个NVL72机架将成为常态

75%

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