Unverified50% confidenceFactExact time
x86架构通过CMPXCHG指令实现CAS,ARM架构使用LDREX/STREX指令对实现
1
Sources
50%
Confidence
Long-term
Relevance
7/12/2026
First Seen
Sources
Designing MPMC Queues: Balancing Bounded Waiting and High-Performance Concurrency
hackernewshackernews7/6/2026
Related Claims
UnverifiedX86是英特尔和AMD主导的桌面及服务器处理器指令集架构,采用复杂指令集(CISC)设计,指令长度可变76% similarUnverifiedThe current mainstream instruction set architectures include x86/x86-64 (Intel/AMD), ARM, RISC-V, MIPS, and PowerPC.75% similarUnverifiedx86 uses a Complex Instruction Set Computing (CISC) design with variable instruction lengths, while ARM uses a Reduced Instruction Set Computing (RISC) design with fixed instruction lengths; the machine code of the two architectures is mutually incompatible.73% similarUnverifiedx86平台的AVX-512指令可在单条指令内并行处理64个int8元素71% similarUnverifiedK5内部微架构将x86复杂指令分解为固定长度的内部操作(ROPs)再送入乱序执行后端流水线,这一设计成为现代高性能x86处理器的标准范式70% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/490623API
curl https://kongchang.com/api/v1/knowledge/claims/490623MCP
get_claim(id=490623)