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POWER9 - Microarchitectures - IBM
| Edit Values | |
| POWER9 µarch | |
| General Info | |
| Arch Type | CPU |
| Designer | IBM |
| Manufacturer | GlobalFoundries |
| Introduction | 2H, 2017 |
| Phase-out | 2h, 2018 |
| Process | 14 nm |
| Pipeline | |
| Type | Superscalar |
| Speculative | Yes |
| Reg Renaming | Yes |
| Instructions | |
| ISA | Power ISA v3.0 |
| Cache | |
| L1I Cache | 32 KiB/core |
| L1D Cache | 32 KiB/core |
| L2 Cache | 512 KiB/core |
| L3 Cache | 120 MiB/chip |
| Succession | |
POWER9 is the 14 nm microarchitecture for IBM's family of POWER9 processors set to be introduced in the 2nd half of 2017. POWER9 is a successor to the POWER8 microarchitecture.
Process Technology
POWER9 is set to be fabricated on GlobalFoundries' 14 nm FinFET process, the same process that's used by AMD for their Zen microarchitecture.
Compatibility
Initial support for POWER9 started with Linux Kernel 4.8.
| Vendor | OS | Version | Notes |
|---|---|---|---|
| IBM | AIX | 7.? | Support |
| IBM i | ? | Support | |
| Linux | Linux | Kernel 4.8 | Initial Support |
| Wind River | VxWorks | VxWorks 7 | Support |
 |
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Facts about "POWER9 - Microarchitectures - IBM"
| codename | POWER9 + |
| designer | IBM + |
| first launched | 0002 JL + |
| full page name | ibm/microarchitectures/power9 + |
| instance of | microarchitecture + |
| instruction set architecture | Power ISA v3.0 + |
| manufacturer | GlobalFoundries + |
| microarchitecture type | CPU + |
| name | POWER9 + |
| phase-out | 0002 JL + |
| process | 14 nm (0.014 μm, 1.4e-5 mm) + |