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|introduction=2020 | |introduction=2020 | ||
|process=10 nm | |process=10 nm | ||
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|isa=x86-64 | |isa=x86-64 | ||
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|predecessor=Sunny Cove | |predecessor=Sunny Cove | ||
|predecessor link=intel/microarchitectures/sunny cove | |predecessor link=intel/microarchitectures/sunny cove | ||
|successor=Golden Cove | |successor=Golden Cove | ||
|successor link=intel/microarchitectures/golden cove | |successor link=intel/microarchitectures/golden cove | ||
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}} | }} | ||
| − | '''Willow Cove''' is the successor to {{\\|Sunny Cove}}, a high-performance [[10 nm]] [[x86]] core microarchitecture designed by [[Intel]] for an array of server and client products, including {{\\|Tiger Lake}}. | + | '''Willow Cove''' is the successor to {{\\|Sunny Cove}}, a high-performance [[10 nm]] [[x86]] core microarchitecture designed by [[Intel]] for an array of server and client products, including {{\\|Tiger Lake}} and {{\\|Sapphire Rapids}}. |
== History == | == History == | ||
| Line 32: | Line 20: | ||
== Process Technology == | == Process Technology == | ||
| − | Willow Cove is designed to take advantage of Intel's [[10 nm process]] | + | Willow Cove is designed to take advantage of Intel's [[10 nm process]]. |
== Architecture == | == Architecture == | ||
| − | Key changes from {{\\|Sunny Cove}} | + | === Key changes from {{\\|Sunny Cove}}=== |
| − | * | + | * New cache subsystem |
| − | + | * Security features | |
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| − | * | ||
{{expand list}} | {{expand list}} | ||
==== New instructions ==== | ==== New instructions ==== | ||
| − | + | Sunny Cove introduced a number of {{x86|extensions|new instructions}}: | |
* Control-flow Enforcement Technology (CET) enhancements | * Control-flow Enforcement Technology (CET) enhancements | ||
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* Additional {{x86|AVX-512}} extensions: | * Additional {{x86|AVX-512}} extensions: | ||
** {{x86|AVX512_VP2INTERSECT|<code>AVX512_VP2INTERSECT</code>}} - AVX-512 Vector Intersection Instructions | ** {{x86|AVX512_VP2INTERSECT|<code>AVX512_VP2INTERSECT</code>}} - AVX-512 Vector Intersection Instructions | ||
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| + | ''Only on server parts ({{\\|Sapphire Rapids}}):'' | ||
| + | |||
| + | * {{x86|ENQCMD|<code>ENQCMD</code>}} - Enqueue Stores | ||
== Bibliography == | == Bibliography == | ||
* Intel Architecture Day 2018, December 11, 2018 | * Intel Architecture Day 2018, December 11, 2018 | ||
Facts about "Willow Cove - Microarchitectures - Intel"
| codename | Willow Cove + |
| core count | 2 +, 4 +, 6 + and 8 + |
| designer | Intel + |
| first launched | 2020 + |
| full page name | intel/microarchitectures/willow cove + |
| instance of | microarchitecture + |
| instruction set architecture | x86-64 + |
| manufacturer | Intel + |
| microarchitecture type | CPU + |
| name | Willow Cove + |
| pipeline stages (max) | 19 + |
| pipeline stages (min) | 14 + |
| process | 10 nm (0.01 μm, 1.0e-5 mm) + |
