Unverified50% confidenceFactExact time
CAS is typically implemented as a single instruction on modern CPUs (such as CMPXCHG on x86), with atomicity guaranteed by hardware.
1
Sources
50%
Confidence
Long-term
Relevance
10/1/2026
First Seen
Sources
Related Entities
Related Claims
Unverifiedx86架构通过CMPXCHG指令实现CAS，ARM架构使用LDREX/STREX指令对实现73% similarUnverifiedx86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72% similarUnverifiedAMX将张量运算能力直接集成到通用CPU的指令集架构中，程序员可通过标准x86指令接口调用，无需引入异构编程模型或管理CPU与加速器间的数据传输66% similarUnverifiedOptimized BLAS implementations such as Intel MKL and OpenBLAS can leverage the CPU's SIMD instruction sets (such as AVX-512) and multi-core parallel capabilities65% similarUnverified目前仅Intel和AMD拥有完整的x86-64实现能力，VIA旗下兆芯通过历史授权在中国市场维持x86产品线65% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/963784API
curl https://kongchang.com/api/v1/knowledge/claims/963784MCP
get_claim(id=963784)