From WikiChip
Difference between revisions of "zhaoxin/microarchitectures/wudaokou"
< zhaoxin

(Key changes from {{\\|Zhangjiang}})
Line 37: Line 37:
  
 
=== Key changes from {{\\|Zhangjiang}} ===
 
=== Key changes from {{\\|Zhangjiang}} ===
 +
* 1.4x performance
 
* [[8 cores]] per die (up from 4)
 
* [[8 cores]] per die (up from 4)
 
* SoC design
 
* SoC design

Revision as of 22:37, 15 January 2018

Edit Values
WuDaoKou µarch
General Info
Arch TypeCPU
DesignerZhaoxin
ManufacturerHLMC
IntroductionDecember 28, 2017
Process28 nm
Core Configs2, 4, 8
Pipeline
TypeSuperscalar
OoOEYes
SpeculativeYes
Reg RenamingYes
Instructions
ISAx86-64
Succession

WuDaoKou is the successor to Zhangjiang, a 28 nm x86 microarchitecture designed by Zhaoxin for mainstream laptops, desktops, and servers.

Brands

Family Series Description
KaiXian KX (5000) Desktop, Laptops
Kaisheng KH (20000) Storage, Servers

Process Technology

WuDaoKou is manufactured on HLMC's 28 nm process.

Architecture

Key changes from Zhangjiang

  • 1.4x performance
  • 8 cores per die (up from 4)
  • SoC design
  • Core
    • Pipeline was reduced by 5 stages
    • Execution engines were re-balanced
    • Branch prediction unit was reworked and optimized
  • FSB removed
  • Chipset
    • Gigabit Ethernet port (RGMII)
    • USB 3.1 Gen2 (Type-C) ports
    • SATA 3.0 ports

This list is incomplete; you can help by expanding it.

Block Diagram

New text document.svg This section is empty; you can help add the missing info by editing this page.

Memory Hierarchy

New text document.svg This section is empty; you can help add the missing info by editing this page.

Die

codenameWuDaoKou +
core count2 +, 4 + and 8 +
designerZhaoxin +
first launchedDecember 28, 2017 +
full page namezhaoxin/microarchitectures/wudaokou +
instance ofmicroarchitecture +
instruction set architecturex86-64 +
manufacturerHLMC +
microarchitecture typeCPU +
nameWuDaoKou +
process28 nm (0.028 μm, 2.8e-5 mm) +