• CPU逻辑核总数

# nproc --all
128

# lscpuL1d 缓存：       32K
L1i 缓存：       32K
L2 缓存：        512K
L3 缓存：        16384K

# dmidecode -t cache
# dmidecode 3.1
Getting SMBIOS data from sysfs.
SMBIOS 3.2.0 present.
# SMBIOS implementations newer than version 3.1.1 are not
# fully supported by this version of dmidecode.Handle 0x000C, DMI type 7, 27 bytes
Cache InformationSocket Designation: L1 - CacheConfiguration: Enabled, Not Socketed, Level 1Operational Mode: Write BackLocation: InternalInstalled Size: 4096 kBMaximum Size: 4096 kB								  4MBSupported SRAM Types:Pipeline BurstInstalled SRAM Type: Pipeline BurstSpeed: 1 nsError Correction Type: Multi-bit ECCSystem Type: UnifiedAssociativity: 8-way Set-associativeHandle 0x000D, DMI type 7, 27 bytes
Cache InformationSocket Designation: L2 - CacheConfiguration: Enabled, Not Socketed, Level 2Operational Mode: Write BackLocation: InternalInstalled Size: 32768 kBMaximum Size: 32768 kB								32MBSupported SRAM Types:Pipeline BurstInstalled SRAM Type: Pipeline BurstSpeed: 1 nsError Correction Type: Multi-bit ECCSystem Type: UnifiedAssociativity: 8-way Set-associativeHandle 0x000E, DMI type 7, 27 bytes
Cache InformationSocket Designation: L3 - CacheConfiguration: Enabled, Not Socketed, Level 3Operational Mode: Write BackLocation: InternalInstalled Size: 262144 kBMaximum Size: 262144 kB								256MB 	Supported SRAM Types:Pipeline BurstInstalled SRAM Type: Pipeline BurstSpeed: 1 nsError Correction Type: Multi-bit ECCSystem Type: UnifiedAssociativity: 16-way Set-associative

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参考：

1. 【Linux基础】查看硬件信息-CPU
2. AMD Ryzen™ Threadripper™ 3990X
3. CPU Cache 机制以及 Cache miss