Unverified50% confidenceFactExact time

x86平台在2010年前后通过PCLMULQDQ指令（随Intel Westmere微架构引入）实现单条硬件无进位乘法指令

1

Sources

50%

Confidence

Long-term

Relevance

7/17/2026

First Seen

Sources

CUDA 13.3 Adds Carryless Multiplication: A Key Step Forward for GPU Cryptography Acceleration

Related Claims

Unverifiedx86平台在2010年前后通过PCLMULQDQ指令（随Intel Westmere微架构引入）实现单条硬件无进位乘法，延迟约14个时钟周期84% similar Unverifiedx86 CPU十五年来一直内置专门的无进位乘法硬件指令，而GPU此前一直缺失该能力77% similar UnverifiedXberg 采用 CPU-only（纯 CPU 运行，无需 GPU）的设计71% similar Unverifiedx86架构通过CMPXCHG指令实现CAS，ARM架构使用LDREX/STREX指令对实现70% similar

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