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Quicksilver - Microarchitectures - Ampere
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Quicksilver µarch
General Info
Arch TypeCPU
DesignerAmpere Computing
ManufacturerTSMC
Introduction2019
Process7 nm
Pipeline
TypeSuperscalar
OoOEYes
SpeculativeYes
Reg RenamingYes
Instructions
ISAARMv8.2
Succession

Quicksilver is Ampere's successor to Skylark, a planned 7 nm ARM microarchitecture for servers.

Release Dates[edit]

ampere quicksilver roadmap.png

Ampere Altra™ (Quicksilver) was announced on March 3rd, 2020 with Ampere™ stating that it had begun shipping to customers.

Technology[edit]

Quicksilver is fabricated on TSMC's 7 nm process.

Architecture[edit]

Key changes from Skylark[edit]

  • 7 nm process (from 16 nm)
  • Higher IPC
  • Higher core count (80-core up from 32-core)
  • ARMv8.2+ support (from ARMv8)
  • Multi-socket support
  • Faster memory (3200 MT/s from 2666 MT/s)
  • PCIe 4.0 support (from 3.0)
  • CCIX connectivity support
codenameQuicksilver +
designerAmpere Computing +
first launched2019 +
full page nameampere computing/microarchitectures/quicksilver +
instance ofmicroarchitecture +
instruction set architectureARMv8.2 +
manufacturerTSMC +
microarchitecture typeCPU +
nameQuicksilver +
process7 nm (0.007 μm, 7.0e-6 mm) +