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Carmel - Microarchitectures - Nvidia
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Revision as of 10:55, 30 August 2018 by David (talk | contribs) (initial info)

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Carmel µarch
General Info
Arch TypeCPU
DesignerNvidia
ManufacturerTSMC
IntroductionJanuary 7, 2018
Process12 nm
Core Configs8
Pipeline
TypeSuperscalar
OoOEYes
SpeculativeYes
Reg RenamingYes
Instructions
ISAARMv8
Cache
L2 Cache2 MiB/cluster
L3 Cache4 MiB/complex
Succession

Carmel is a the successor to Denver 2, an ARM microarchitecture for Nvidia's Tegra series of SoCs.

Architecture

Nvidia disclosed very few details regarding Carmel.

  • 12 nm (12FF)
  • ARMv8.2 (Only AArch64)
    • ARM RAS standard support
  • Eight-core cluster
    • 4x Core duplexes

Memory Hierarchy

  • Cache
    • L1
    • L2
      • 2 MiB
        • Shared per duplex
    • L3
      • 4 MiB
        • Shared by entire cluster
        • Exclusive

Bibliography

  • IEEE Hot Chips 30 Symposium (HCS) 2018.
codenameCarmel +
core count8 +
designerNvidia +
first launchedJanuary 7, 2018 +
full page namenvidia/microarchitectures/carmel +
instance ofmicroarchitecture +
instruction set architectureARMv8 +
manufacturerTSMC +
microarchitecture typeCPU +
nameCarmel +
process12 nm (0.012 μm, 1.2e-5 mm) +