有意思：在GTC 2026宣布Rubin Ultra仅3个月后，原4-die Rubin Ultra因制造执行问题被取消。新的"Rubin Ultra"尺寸减半，实际性能约为原版的一半。1/4🧵
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·X：SemiAnalysis (@SemiAnalysis_)
Rubin Ultra取消，新版尺寸性能减半
— INTERESTING： Only 3 months after Rubin Ultra was announced at GTC 2026， the original 4-die Rubin Ult…