AMD Zen 6微架构深度解析揭示Zen 6与Zen 6c核心之间的关键专业化差异。
Chips and Cheese的一项架构分析评估了AMD下一代Zen 6和Zen 6c CPU核心系列,强调了相较于Zen 5的关键微架构转变。
AMD Zen 6 Microarchitecture Deep Dive Reveals Key Specializations Between Zen 6 and Zen 6c Cores An architectural analysis by Chips and Cheese evaluates AMD's next-generation Zen 6 and Zen 6c CPU core families, highlighting key microarchitectural shifts from Zen 5.
升级包括降低分支错误预测延迟、单线程使用双解码簇、512位VNNI执行单元翻倍,以及增强256位加载吞吐量。
Upgrades include reduced branch misprediction latency, dual-decode cluster usage by single threads, doubled 512-bit VNNI execution units, and enhanced 256-bit load throughput.
与以往几代中密集核心和标准核心功能相同不同,AMD对乱序结构进行了专业化:Zen 6针对12核心CCD的高频运行进行了优化,而Zen 6c则扩展了重排序缓冲区和加载队列等结构,并配合32核心CCD来吸收内存延迟。
Unlike prior generations where dense and standard cores were functionally identical, AMD specialized the out-of-order structures: Zen 6 is optimized for high frequency on 12-core CCDs, while Zen 6c expands structures like the reorder buffer and load queue alongside 32-core CCDs to absorb memory latency.
预计SPEC CPU 2026基准测试显示,基于Zen 6的EPYC 9686F在整数性能上领先上一代EPYC 9575F处理器约21%,在浮点性能上领先约18%。
Estimated SPEC CPU 2026 benchmarks indicate the Zen 6-based EPYC 9686F leads previous-generation EPYC 9575F processors by roughly 21% in integer and 18% in floating-point performance.