The Cache entity represents a processor cache. It captures the level on which the cache operates in cache hierarchy, its size and associativity, size of the cache line and access latency. Each cache can be available to one or more ProcessorCores. The Cache entity allows describing typical caches, such as instruction or data (or unified) caches, but is unsuitable for capturing caches such as the Pentium 4 trace cache.

Attribute
<Primitive Type> Unlimited Natural	level	The level at which the cache operates in the cache hierarchy.
<Enumeration> CacheKind	kind	The kind of contents stored by this cache.
<Primitive Type> Unlimited Natural	size	Size of the cache, in bytes.
<Primitive Type> Unlimited Natural	associativity	Degree of cache associativity, possibly in powers of 2. Value of 1 indicates a direct-mapped cache, value of (cacheSize / cacheLineSize) indicates a fully associative cache. Values between those extremes indicate the degree of associativity. Other values are considered invalid.
<Primitive Type> Unlimited Natural	cacheLineSize	Size of the cache line, in bytes.
<Primitive Type> Unlimited Natural	accessLatency	Cache access latency expressed in number of clocks of the processor. The access latency of higher-level caches represents the miss penalty for lower-level (closer to processor) caches. The memory access latency represents the miss penalty for the highest-level cache.
<Class> ProcessorCore	cores	Collection of processor cores sharing a particular cache.

 accessLatency

Public <Primitive Type> Unlimited Natural accessLatency

Cache access latency expressed in number of clocks of the processor. The access latency of higher-level caches represents the miss penalty for lower-level (closer to processor) caches. The memory access latency represents the miss penalty for the highest-level cache.

Eigenschaften:

Aggregation	None
Alias
Association
Association End
Class	<Class> Cache
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	1
Lower Value
Multiplicity	1
Name	accessLatency
Name Expression
Namespace	<Class> Cache
Opposite
Owned Template Signature
Owner	<Class> Cache
Owning Association
Owning Template Parameter
Qualified Name	samm::deployment::hardware::Cache::accessLatency
Stereotype
Template Parameter
Type	<Primitive Type> Unlimited Natural
Upper	1
Upper Value
Visibility	Public

 associativity

Public <Primitive Type> Unlimited Natural associativity

Degree of cache associativity, possibly in powers of 2. Value of 1 indicates a direct-mapped cache, value of (cacheSize / cacheLineSize) indicates a fully associative cache. Values between those extremes indicate the degree of associativity. Other values are considered invalid.

Eigenschaften:

Aggregation	None
Alias
Association
Association End
Class	<Class> Cache
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	1
Lower Value
Multiplicity	1
Name	associativity
Name Expression
Namespace	<Class> Cache
Opposite
Owned Template Signature
Owner	<Class> Cache
Owning Association
Owning Template Parameter
Qualified Name	samm::deployment::hardware::Cache::associativity
Stereotype
Template Parameter
Type	<Primitive Type> Unlimited Natural
Upper	1
Upper Value
Visibility	Public

 cacheLineSize

Public <Primitive Type> Unlimited Natural cacheLineSize

Size of the cache line, in bytes.

Eigenschaften:

Aggregation	None
Alias
Association
Association End
Class	<Class> Cache
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	1
Lower Value
Multiplicity	1
Name	cacheLineSize
Name Expression
Namespace	<Class> Cache
Opposite
Owned Template Signature
Owner	<Class> Cache
Owning Association
Owning Template Parameter
Qualified Name	samm::deployment::hardware::Cache::cacheLineSize
Stereotype
Template Parameter
Type	<Primitive Type> Unlimited Natural
Upper	1
Upper Value
Visibility	Public

 cores

Public <Class> ProcessorCore cores

Collection of processor cores sharing a particular cache.

Eigenschaften:

Aggregation	None
Alias
Association	<Association> A_cores_caches
Association End
Class	<Class> Cache
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	1
Lower Value	<Literal Integer> 1
Multiplicity	1..*
Name	cores
Name Expression
Namespace	<Class> Cache
Opposite	<Property> caches : Cache [0..*]
Owned Template Signature
Owner	<Class> Cache
Owning Association
Owning Template Parameter
Qualified Name	samm::deployment::hardware::Cache::cores
Stereotype
Template Parameter
Type	<Class> ProcessorCore
Upper	*
Upper Value	<Literal Unlimited Natural> *
Visibility	Public

 kind

Public <Enumeration> CacheKind kind

The kind of contents stored by this cache.

Eigenschaften:

Aggregation	None
Alias
Association	<Association> A_kind_cache
Association End
Class	<Class> Cache
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	1
Lower Value
Multiplicity	1
Name	kind
Name Expression
Namespace	<Class> Cache
Opposite
Owned Template Signature
Owner	<Class> Cache
Owning Association
Owning Template Parameter
Qualified Name	samm::deployment::hardware::Cache::kind
Stereotype
Template Parameter
Type	<Enumeration> CacheKind
Upper	1
Upper Value
Visibility	Public

 level

Public <Primitive Type> Unlimited Natural level

The level at which the cache operates in the cache hierarchy.

Eigenschaften:

Aggregation	None
Alias
Association
Association End
Class	<Class> Cache
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	1
Lower Value
Multiplicity	1
Name	level
Name Expression
Namespace	<Class> Cache
Opposite
Owned Template Signature
Owner	<Class> Cache
Owning Association
Owning Template Parameter
Qualified Name	samm::deployment::hardware::Cache::level
Stereotype
Template Parameter
Type	<Primitive Type> Unlimited Natural
Upper	1
Upper Value
Visibility	Public

 size

Public <Primitive Type> Unlimited Natural size

Size of the cache, in bytes.

Eigenschaften:

Aggregation	None
Alias
Association
Association End
Class	<Class> Cache
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	1
Lower Value
Multiplicity	1
Name	size
Name Expression
Namespace	<Class> Cache
Opposite
Owned Template Signature
Owner	<Class> Cache
Owning Association
Owning Template Parameter
Qualified Name	samm::deployment::hardware::Cache::size
Stereotype
Template Parameter
Type	<Primitive Type> Unlimited Natural
Upper	1
Upper Value
Visibility	Public