编辑“︁Apple M1”︁
当前修订版本 | 您的文本 | ||
第36行: | 第36行: | ||
=== M1 === |
=== M1 === |
||
该芯片内有四个高性能“Firestorm”核心和四个低功耗“Icestorm”[[多核心處理器|核心]],结构类似[[ARM]]的[[big.LITTLE]]和[[Intel]]的“Lakefield”系列架构。<ref>{{cite web |title=Apple M1 Chip |url=https://www.apple.com/mac/m1/ |website=Apple.com |publisher=Apple |accessdate=2020-11-11 |language=en |archive-date=2020-11-10 |archive-url=https://web.archive.org/web/20201110184757/https://www.apple.com/mac/m1/ |dead-url=no }}</ref>这样的架构能实现以往{{Link-en|苹果-英特爾架构|Apple–Intel architecture}}无法达到的能效比优化。苹果宣称低功耗核心只需要高性能核心十分之一的电量。四个高性能核心均有192 KB[[CPU缓存|指令缓存]]和128 KB数据缓存,并共享12 MB二级缓存;四个低功耗核心均有128 KB指令缓存和64 KB数据缓存,并共享4 MB二级缓存。“Icestorm”的“E集群”频率为0.6–2.064 GHz,最高功耗为1.3 W,而 |
该芯片内有四个高性能“Firestorm”核心和四个低功耗“Icestorm”[[多核心處理器|核心]],结构类似[[ARM]]的[[big.LITTLE]]和[[Intel]]的“Lakefield”系列架构。<ref>{{cite web |title=Apple M1 Chip |url=https://www.apple.com/mac/m1/ |website=Apple.com |publisher=Apple |accessdate=2020-11-11 |language=en |archive-date=2020-11-10 |archive-url=https://web.archive.org/web/20201110184757/https://www.apple.com/mac/m1/ |dead-url=no }}</ref>这样的架构能实现以往{{Link-en|苹果-英特爾架构|Apple–Intel architecture}}无法达到的能效比优化。苹果宣称低功耗核心只需要高性能核心十分之一的电量。四个高性能核心均有192 KB[[CPU缓存|指令缓存]]和128 KB数据缓存,并共享12 MB二级缓存;四个低功耗核心均有128 KB指令缓存和64 KB数据缓存,并共享4 MB二级缓存。“Icestorm”的“E集群”频率为0.6–2.064 GHz,最高功耗为1.3 W,而”Firestorm“的“P集群”的频率为0.6–3.204 GHz,最高功耗为13.8 W。M1芯片还包含苹果自己设计的8核(部分型号为7核)[[圖形處理器]](GPU)。苹果宣称它可以同时执行25,000个[[线程]]。芯片还有一个专用的16核神经网络引擎,可以每秒执行11兆次运算。芯片其他组成部分还包括[[圖像處理器]](ISP)、[[NVM Express|NVM存储]]、[[Thunderbolt|Thunderbolt 4]]控制器和[[IOS#安全區域|Secure Enclave]]。<ref>{{Cite web | url = https://www.techrepublic.com/article/apples-m1-a-closer-look-at-the-chip-inside-of-the-latest-mac/ | title = Apple's M1: A closer look at the chip inside of the latest Macs | website = Tech Republic | accessdate = 2020-11-19 | language = en | archive-date = 2021-01-27 | archive-url = https://web.archive.org/web/20210127035723/https://www.techrepublic.com/article/apples-m1-a-closer-look-at-the-chip-inside-of-the-latest-mac/ | dead-url = no }}</ref> |
||
M1芯片内有4266 MT/s的[[移动DDR#LPDDR4X|LPDDR4X SDRAM]]<ref>{{Cite web | title=The 2020 Mac Mini Unleashed: Putting Apple Silicon M1 To The Test | url=https://www.anandtech.com/show/16252/mac-mini-apple-m1-tested | access-date=2020-11-19 | website=ANANDTECH | language=en | archive-date=2021-01-23 | archive-url=https://web.archive.org/web/20210123195200/https://www.anandtech.com/show/16252/mac-mini-apple-m1-tested | dead-url=no }}</ref>,采用统一記憶體(unified memory)配置(即M1芯片内所有组件共享这一記憶體)。除此之外,整个SoC和RAM采取[[封裝體系]]的形式配置在一起。有8 GB和 16 GB两种配置供选择。<ref>{{Cite web | url = https://www.macworld.com/article/3597569/with-m1-macs-memory-isnt-what-it-used-to-be.html | title = With M1 Macs, memory isn't what it used to be | website = Mac World | accessdate = 2020-11-19 | language = en | archive-date = 2020-11-20 | archive-url = https://web.archive.org/web/20201120122750/https://www.macworld.com/article/3597569/with-m1-macs-memory-isnt-what-it-used-to-be.html | dead-url = no }}</ref> |
M1芯片内有4266 MT/s的[[移动DDR#LPDDR4X|LPDDR4X SDRAM]]<ref>{{Cite web | title=The 2020 Mac Mini Unleashed: Putting Apple Silicon M1 To The Test | url=https://www.anandtech.com/show/16252/mac-mini-apple-m1-tested | access-date=2020-11-19 | website=ANANDTECH | language=en | archive-date=2021-01-23 | archive-url=https://web.archive.org/web/20210123195200/https://www.anandtech.com/show/16252/mac-mini-apple-m1-tested | dead-url=no }}</ref>,采用统一記憶體(unified memory)配置(即M1芯片内所有组件共享这一記憶體)。除此之外,整个SoC和RAM采取[[封裝體系]]的形式配置在一起。有8 GB和 16 GB两种配置供选择。<ref>{{Cite web | url = https://www.macworld.com/article/3597569/with-m1-macs-memory-isnt-what-it-used-to-be.html | title = With M1 Macs, memory isn't what it used to be | website = Mac World | accessdate = 2020-11-19 | language = en | archive-date = 2020-11-20 | archive-url = https://web.archive.org/web/20201120122750/https://www.macworld.com/article/3597569/with-m1-macs-memory-isnt-what-it-used-to-be.html | dead-url = no }}</ref> |