edu.unh.sdb.datasource
Class CacheMaker
java.lang.Object
edu.unh.sdb.datasource.CacheMaker
public class CacheMaker
- extends java.lang.Object
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Method Summary |
static IntegerIndexSpaceID |
computeBestBlockShape(AxisOrdering iteratorOrdering,
int[] axisLengths,
int elementByteSize,
long memAvailable)
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static void |
computeCacheArrayDimensions(float[] normal,
int[] planeShape,
int[] cacheBlockDimensions,
int[] cacheArrayDimensions,
int projectionAxis,
int max2Axis,
boolean threaded)
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static void |
computeCacheBlockDimensions(int s,
int[] cacheBlockDimensions,
float[] normal,
int[] spaceDimensions,
int dimensionality)
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static boolean |
computeDimensions(int[] cacheBlockDimensions,
int[] cacheArrayDimensions,
float[] normal,
float[] truePlaneNormal,
int[] planeShape,
int[] boundingBoxDimensions,
int projectionAxis,
int dimensionality,
int elementByteSize,
long memAvailable,
boolean threaded)
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static int |
computeMaxScaleFactor(int projectionAxis,
int[] spaceDimensions)
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static long |
computeRequiredMemory(int[] cacheBlockDimensions,
int[] cacheArrayDimensions,
int elementByteSize)
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static DataSource |
createCacheDS(ChunkedDataSource source,
ISIterator iter,
long memAvailable)
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static DataSource |
createCacheDS(DataSource source,
ISBounds iterationSpace,
AxisOrdering iteratorOrdering,
long memAvailable)
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static DataSource |
createCacheDS(DataSource source,
ISBoundsIterator iter,
long memAvailable)
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static DataSource |
createCacheDS(DataSource source,
ISIterator iter,
long memAvailable)
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static DataSource |
createCacheDS(ObliquePlaneIteratorInterface iter,
int[] cacheBlockDimensions,
long memAvailable)
Create a MultiBlockCache for the given ObliquePlaneIterator using cache blocks
of the specified dimensions. |
static DataSource |
createCacheDS(ObliquePlaneIteratorInterface iter,
int[] cacheBlockDimensions,
long memAvailable,
boolean threaded)
Create a MultiBlockCache for the given ObliquePlaneIterator using cache blocks
of the specified dimensions. |
static DataSource |
createCacheDS(ObliquePlaneIteratorInterface iter,
long memAvailable)
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static DataSource |
createCacheDS(ObliquePlaneIteratorInterface iter,
long memAvailable,
boolean threaded)
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static DataSource |
createThreadedCacheDS(DataSource source,
ISBoundsIterator iter,
long memAvailable)
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static DataSource |
createThreadedCacheDS(DataSource source,
ISIterator iter,
long memAvailable)
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static DataSource |
createThreadedSliceCacheDS(DataSource source,
ISBounds iterationSpace,
int sliceAxis,
long memAvailable)
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static DataSource |
createThreadedSliceCacheDS(DataSource source,
ISBoundsIterator iter,
long memAvailable)
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static DataSource |
createThreadedSliceCacheDS(DataSource source,
ISIterator iter,
long memAvailable)
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static int |
findMax(float[] normal)
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static int |
findMin(float[] normal)
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protected static int |
findSecondMax(float[] vector,
int maxindex)
Return the index of the element with second largest magnitude |
static void |
main(java.lang.String[] args)
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protected static void |
massage(float[] vector)
This method finds the smallest magnitude non-zero coordinate and
divides the other coordinates by this value. |
static boolean |
reduceNormal(float[] normal)
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| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
useCubicForOblique
public static boolean useCubicForOblique
useIsometricCubicForOblique
public static boolean useIsometricCubicForOblique
CacheMaker
public CacheMaker()
createCacheDS
public static DataSource createCacheDS(DataSource source,
ISIterator iter,
long memAvailable)
createCacheDS
public static DataSource createCacheDS(DataSource source,
ISBounds iterationSpace,
AxisOrdering iteratorOrdering,
long memAvailable)
createCacheDS
public static DataSource createCacheDS(DataSource source,
ISBoundsIterator iter,
long memAvailable)
createCacheDS
public static DataSource createCacheDS(ChunkedDataSource source,
ISIterator iter,
long memAvailable)
createCacheDS
public static DataSource createCacheDS(ObliquePlaneIteratorInterface iter,
long memAvailable)
createCacheDS
public static DataSource createCacheDS(ObliquePlaneIteratorInterface iter,
long memAvailable,
boolean threaded)
createCacheDS
public static DataSource createCacheDS(ObliquePlaneIteratorInterface iter,
int[] cacheBlockDimensions,
long memAvailable)
- Create a MultiBlockCache for the given ObliquePlaneIterator using cache blocks
of the specified dimensions. This
method is meant for evaluation purposes, and would not normally be used.
createCacheDS
public static DataSource createCacheDS(ObliquePlaneIteratorInterface iter,
int[] cacheBlockDimensions,
long memAvailable,
boolean threaded)
- Create a MultiBlockCache for the given ObliquePlaneIterator using cache blocks
of the specified dimensions. This
method is meant for evaluation purposes, and would not normally be used.
reduceNormal
public static boolean reduceNormal(float[] normal)
findMax
public static int findMax(float[] normal)
findMin
public static int findMin(float[] normal)
findSecondMax
protected static int findSecondMax(float[] vector,
int maxindex)
- Return the index of the element with second largest magnitude
computeDimensions
public static boolean computeDimensions(int[] cacheBlockDimensions,
int[] cacheArrayDimensions,
float[] normal,
float[] truePlaneNormal,
int[] planeShape,
int[] boundingBoxDimensions,
int projectionAxis,
int dimensionality,
int elementByteSize,
long memAvailable,
boolean threaded)
computeRequiredMemory
public static long computeRequiredMemory(int[] cacheBlockDimensions,
int[] cacheArrayDimensions,
int elementByteSize)
computeMaxScaleFactor
public static int computeMaxScaleFactor(int projectionAxis,
int[] spaceDimensions)
computeCacheBlockDimensions
public static void computeCacheBlockDimensions(int s,
int[] cacheBlockDimensions,
float[] normal,
int[] spaceDimensions,
int dimensionality)
computeCacheArrayDimensions
public static void computeCacheArrayDimensions(float[] normal,
int[] planeShape,
int[] cacheBlockDimensions,
int[] cacheArrayDimensions,
int projectionAxis,
int max2Axis,
boolean threaded)
massage
protected static void massage(float[] vector)
- This method finds the smallest magnitude non-zero coordinate and
divides the other coordinates by this value.
createThreadedCacheDS
public static DataSource createThreadedCacheDS(DataSource source,
ISIterator iter,
long memAvailable)
createThreadedCacheDS
public static DataSource createThreadedCacheDS(DataSource source,
ISBoundsIterator iter,
long memAvailable)
createThreadedSliceCacheDS
public static DataSource createThreadedSliceCacheDS(DataSource source,
ISIterator iter,
long memAvailable)
createThreadedSliceCacheDS
public static DataSource createThreadedSliceCacheDS(DataSource source,
ISBounds iterationSpace,
int sliceAxis,
long memAvailable)
createThreadedSliceCacheDS
public static DataSource createThreadedSliceCacheDS(DataSource source,
ISBoundsIterator iter,
long memAvailable)
computeBestBlockShape
public static IntegerIndexSpaceID computeBestBlockShape(AxisOrdering iteratorOrdering,
int[] axisLengths,
int elementByteSize,
long memAvailable)
main
public static void main(java.lang.String[] args)