Unverified50% confidenceFactExact time
HDR InfiniBand提供200 Gb/s带宽与微秒级延迟
1
Sources
50%
Confidence
Long-term
Relevance
7/13/2026
First Seen
Sources
P2P学生GPU共享网络：技术可行性与现实挑战全解析
redditr/deeplearning7/12/2026
Related Claims
Unverified对于70B模型（序列长度2048、隐藏层维度8192），每层激活值约32MB，在InfiniBand(400Gbps)中约需0.6毫秒，而在50Mbps家庭宽带下需超过5秒81% similarVerifiedNVLink 4.0 offers a bidirectional bandwidth of up to 900 GB/s, while cross-node InfiniBand HDR offers only approximately 50 GB/s, a gap of nearly 20 times.76% similarUnverified当前主流的NDR InfiniBand提供400Gbps的端口速率70% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/502434API
curl https://kongchang.com/api/v1/knowledge/claims/502434MCP
get_claim(id=502434)