Class ConcurrentCachedRVG
- java.lang.Object
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- dev.nm.stat.random.rng.concurrent.cache.ConcurrentCachedRVG
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- All Implemented Interfaces:
RandomVectorGenerator
,Seedable
public class ConcurrentCachedRVG extends Object implements RandomVectorGenerator
This is a fast thread-safe wrapper for random vector generators. This class is backed byConcurrentCachedGenerator
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Constructor Summary
Constructors Constructor Description ConcurrentCachedRVG(RandomVectorGenerator rvg)
Constructs a new instance which wraps the given random vector generator and uses a cache which has 8 entries per available core.ConcurrentCachedRVG(RandomVectorGenerator rvg, int cacheSize)
Constructs a new instance which wraps the given random vector generator and uses a cache of the specified size.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description double[]
nextVector()
Gets the next random vector.void
seed(long... seeds)
Delegate to the underlying random vector generator.
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Constructor Detail
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ConcurrentCachedRVG
public ConcurrentCachedRVG(RandomVectorGenerator rvg, int cacheSize)
Constructs a new instance which wraps the given random vector generator and uses a cache of the specified size. A larger cache will make the simulation slightly faster at the expense of increased memory usage, but can lead to the computation of unnecessary values at the tail.- Parameters:
rvg
- the underlying generatorcacheSize
- the cache size- See Also:
ConcurrentCachedGenerator(dev.nm.stat.random.rng.concurrent.cache.ConcurrentCachedGenerator.Generator, int)
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ConcurrentCachedRVG
public ConcurrentCachedRVG(RandomVectorGenerator rvg)
Constructs a new instance which wraps the given random vector generator and uses a cache which has 8 entries per available core.- Parameters:
rvg
- the underlying generator
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Method Detail
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nextVector
public double[] nextVector()
Description copied from interface:RandomVectorGenerator
Gets the next random vector.- Specified by:
nextVector
in interfaceRandomVectorGenerator
- Returns:
- the next random vector
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