LogicalProcessorInformation is a fronend GUI around GetLogicalProcessorInformation API and reveals CPU configuration of the system. If you are fine tuning stuff, you might want to know what sort of CPUs are powering the applications:
- how many?
- fully featured cores or HyperThreading technology?
- mutli-processor configuration and how exactly physical processors are distributed over affinity mask
API and the application gets you the data as a user-friendly dump of GetLogicalProcessorInformation output and a summary of records at the bottom:
Logical Processors: Mask: 0x00000003 Relationship: RelationProcessorCore (0x0) ProcessorCore.Flags: 0x01 Mask: 0x00000003 Relationship: RelationCache (0x2) Cache.Level: 1 Cache.Associativity: 8 Cache.LineSize: 64 (0x40) Cache.Size: 32768 (0x8000) Cache.Type: CacheData (0x2) Mask: 0x00000003 Relationship: RelationCache (0x2) Cache.Level: 1 Cache.Associativity: 4 Cache.LineSize: 64 (0x40) Cache.Size: 32768 (0x8000) Cache.Type: CacheInstruction (0x1) Mask: 0x00000003 Relationship: RelationCache (0x2) Cache.Level: 2 Cache.Associativity: 8 Cache.LineSize: 64 (0x40) Cache.Size: 262144 (0x40000) Cache.Type: CacheUnified (0x0) Mask: 0x0000000c Relationship: RelationProcessorCore (0x0) ProcessorCore.Flags: 0x01 ... Mask: 0x000000ff Relationship: RelationProcessorPackage (0x3) ... Mask: 0x000000ff Relationship: RelationNumaNode (0x1) NumaNode.NodeNumber: 0x0 Record Count per Relationship: RelationProcessorCore (0x0): 4 RelationNumaNode (0x1): 1 RelationCache (0x2): 13 RelationProcessorPackage (0x3): 1 RelationGroup (0x4): 0
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