pl.edu.icm.jlargearrays

Class Benchmark

java.lang.Object

pl.edu.icm.jlargearrays.Benchmark

public class Benchmark
extends Object

Benchmarks.

Author:

Piotr Wendykier (p.wendykier@icm.edu.pl)

Constructor Summary

Constructors

Constructor and Description
Benchmark()

Method Summary

Modifier and Type	Method and Description
static void	benchmarkArithmeticAdd() Benchmarks addition operation.
static void	benchmarkByteLargeArray() Benchmarks ByteLargeArray.
static void	benchmarkByteLargeArrayInANewThread() Benchmarks ByteLargeArray in a separate thread.
static void	benchmarkByteLargeArrayNative() Benchmarks ByteLargeArray using native memory.
static void	benchmarkByteLargeArrayNativeInANewThread() Benchmarks ByteLargeArray in a separate thread using native memory.
static void	benchmarkByteRandom(long[] sizes, int[] nthreads, int iters, String directory) Runs benchmarkJavaArraysByteRandom and benchmarkJLargeArraysByteRandom methods.
static void	benchmarkByteSequential(long[] sizes, int[] nthreads, int iters, String directory) Runs benchmarkJavaArraysByteSequential and benchmarkJLargeArraysByteSequentual methods.
static void	benchmarkDoubleRandom(long[] sizes, int[] nthreads, int iters, String directory) Runs benchmarkJavaArraysDoubleRandom and benchmarkJLargeArraysDoubleRandom methods.
static void	benchmarkDoubleSequential(long[] sizes, int[] nthreads, int iters, String directory) Runs benchmarkJavaArraysDoubleSequential and benchmarkJLargeArraysDoubleSequentual methods.
static void	benchmarkFloatLargeArray() Benchmarks FloatLargeArray.
static void	benchmarkFloatLargeArrayInANewThread() Benchmarks FloatLargeArray in a separate thread.
static void	benchmarkFloatLargeArrayNative() Benchmarks FloatLargeArray using native memory.
static void	benchmarkFloatLargeArrayNativeInANewThread() Benchmarks FloatLargeArray in a separate thread using native memory.
static double[][]	benchmarkJavaArraysByteRandom(long[] sizes, int[] nthreads, int iters, String file) Benchmarks random access to Java arrays of type byte.
static double[][]	benchmarkJavaArraysByteSequential(long[] sizes, int[] nthreads, int iters, String file) Benchmarks sequential access to Java arrays of type byte.
static double[][]	benchmarkJavaArraysDoubleRandom(long[] sizes, int[] nthreads, int iters, String file) Benchmarks random access to Java arrays of type double.
static double[][]	benchmarkJavaArraysDoubleSequential(long[] sizes, int[] nthreads, int iters, String file) Benchmarks sequential access to Java arrays of type double.
static double[][]	benchmarkJLargeArraysByteRandom(long[] sizes, int[] nthreads, int iters, String file) Benchmarks random access to LargeArrays of type byte.
static double[][]	benchmarkJLargeArraysByteSequentual_safe(long[] sizes, int[] nthreads, int iters, String file) Benchmarks sequential access to LargeArrays of type byte using _safe methods.
static double[][]	benchmarkJLargeArraysByteSequentual(long[] sizes, int[] nthreads, int iters, String file) Benchmarks sequential access to LargeArrays of type byte.
static double[][]	benchmarkJLargeArraysByteSequentualNative(long[] sizes, int[] nthreads, int iters, String file) Benchmarks sequential access to LargeArrays of type byte using native memory.
static double[][]	benchmarkJLargeArraysDoubleRandom(long[] sizes, int[] nthreads, int iters, String file) Benchmarks random access to LargeArrays of type double.
static double[][]	benchmarkJLargeArraysDoubleSequentual(long[] sizes, int[] nthreads, int iters, String file) Benchmarks sequential access to LargeArrays of type double.
static double[][]	benchmarkJLargeArraysDoubleSequentualNative(long[] sizes, int[] nthreads, int iters, String file) Benchmarks sequential access to LargeArrays of type double using native memory.
static void	benchmarkStatisticsAvg() Benchmarks average operation.
static void	main(String[] args) Main method for running benchmarks.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Benchmark

public Benchmark()

Method Detail

benchmarkJavaArraysByteSequential

public static double[][] benchmarkJavaArraysByteSequential(long[] sizes,
                                                           int[] nthreads,
                                                           int iters,
                                                           String file)

Benchmarks sequential access to Java arrays of type byte.

Parameters:

sizes - array sizes

nthreads - number of threads

iters - number iterations

file - output file

Returns:

timings

benchmarkJavaArraysDoubleSequential

public static double[][] benchmarkJavaArraysDoubleSequential(long[] sizes,
                                                             int[] nthreads,
                                                             int iters,
                                                             String file)

Benchmarks sequential access to Java arrays of type double.

Parameters:

sizes - array sizes

nthreads - number of threads

iters - number iterations

file - output file

Returns:

timings

benchmarkJavaArraysByteRandom

public static double[][] benchmarkJavaArraysByteRandom(long[] sizes,
                                                       int[] nthreads,
                                                       int iters,
                                                       String file)

Benchmarks random access to Java arrays of type byte.

Parameters:

sizes - array sizes

nthreads - number of threads

iters - number iterations

file - output file

Returns:

timings

benchmarkJavaArraysDoubleRandom

public static double[][] benchmarkJavaArraysDoubleRandom(long[] sizes,
                                                         int[] nthreads,
                                                         int iters,
                                                         String file)

Benchmarks random access to Java arrays of type double.

Parameters:

sizes - array sizes

nthreads - number of threads

iters - number iterations

file - output file

Returns:

timings

benchmarkJLargeArraysByteSequentual

public static double[][] benchmarkJLargeArraysByteSequentual(long[] sizes,
                                                             int[] nthreads,
                                                             int iters,
                                                             String file)

Benchmarks sequential access to LargeArrays of type byte.

Parameters:

sizes - array sizes

nthreads - number of threads

iters - number iterations

file - output file

Returns:

timings

benchmarkJLargeArraysByteSequentualNative

public static double[][] benchmarkJLargeArraysByteSequentualNative(long[] sizes,
                                                                   int[] nthreads,
                                                                   int iters,
                                                                   String file)

Benchmarks sequential access to LargeArrays of type byte using native memory.

Parameters:

sizes - array sizes

nthreads - number of threads

iters - number iterations

file - output file

Returns:

timings

benchmarkJLargeArraysByteSequentual_safe

public static double[][] benchmarkJLargeArraysByteSequentual_safe(long[] sizes,
                                                                  int[] nthreads,
                                                                  int iters,
                                                                  String file)

Benchmarks sequential access to LargeArrays of type byte using _safe methods.

Parameters:

sizes - array sizes

nthreads - number of threads

iters - number iterations

file - output file

Returns:

timings

benchmarkJLargeArraysDoubleSequentual

public static double[][] benchmarkJLargeArraysDoubleSequentual(long[] sizes,
                                                               int[] nthreads,
                                                               int iters,
                                                               String file)

Benchmarks sequential access to LargeArrays of type double.

Parameters:

sizes - array sizes

nthreads - number of threads

iters - number iterations

file - output file

Returns:

timings

benchmarkJLargeArraysDoubleSequentualNative

public static double[][] benchmarkJLargeArraysDoubleSequentualNative(long[] sizes,
                                                                     int[] nthreads,
                                                                     int iters,
                                                                     String file)

Benchmarks sequential access to LargeArrays of type double using native memory.

Parameters:

sizes - array sizes

nthreads - number of threads

iters - number iterations

file - output file

Returns:

timings

benchmarkJLargeArraysByteRandom

public static double[][] benchmarkJLargeArraysByteRandom(long[] sizes,
                                                         int[] nthreads,
                                                         int iters,
                                                         String file)

Benchmarks random access to LargeArrays of type byte.

Parameters:

sizes - array sizes

nthreads - number of threads

iters - number iterations

file - output file

Returns:

timings

benchmarkJLargeArraysDoubleRandom

public static double[][] benchmarkJLargeArraysDoubleRandom(long[] sizes,
                                                           int[] nthreads,
                                                           int iters,
                                                           String file)

Benchmarks random access to LargeArrays of type double.

Parameters:

sizes - array sizes

nthreads - number of threads

iters - number iterations

file - output file

Returns:

timings

benchmarkByteSequential

public static void benchmarkByteSequential(long[] sizes,
                                           int[] nthreads,
                                           int iters,
                                           String directory)

Runs benchmarkJavaArraysByteSequential and benchmarkJLargeArraysByteSequentual methods.

Parameters:

sizes - array sizes

nthreads - number of threads

iters - number iterations

directory - output directory path

benchmarkDoubleSequential

public static void benchmarkDoubleSequential(long[] sizes,
                                             int[] nthreads,
                                             int iters,
                                             String directory)

Runs benchmarkJavaArraysDoubleSequential and benchmarkJLargeArraysDoubleSequentual methods.

Parameters:

sizes - array sizes

nthreads - number of threads

iters - number iterations

directory - output directory path

benchmarkByteRandom

public static void benchmarkByteRandom(long[] sizes,
                                       int[] nthreads,
                                       int iters,
                                       String directory)

Runs benchmarkJavaArraysByteRandom and benchmarkJLargeArraysByteRandom methods.

Parameters:

sizes - array sizes

nthreads - number of threads

iters - number iterations

directory - output directory path

benchmarkDoubleRandom

public static void benchmarkDoubleRandom(long[] sizes,
                                         int[] nthreads,
                                         int iters,
                                         String directory)

Runs benchmarkJavaArraysDoubleRandom and benchmarkJLargeArraysDoubleRandom methods.

Parameters:

sizes - array sizes

nthreads - number of threads

iters - number iterations

directory - output directory path

benchmarkByteLargeArray

public static void benchmarkByteLargeArray()

Benchmarks ByteLargeArray.

benchmarkByteLargeArrayInANewThread

public static void benchmarkByteLargeArrayInANewThread()

Benchmarks ByteLargeArray in a separate thread.

benchmarkFloatLargeArray

public static void benchmarkFloatLargeArray()

Benchmarks FloatLargeArray.

benchmarkFloatLargeArrayInANewThread

public static void benchmarkFloatLargeArrayInANewThread()

Benchmarks FloatLargeArray in a separate thread.

benchmarkByteLargeArrayNative

public static void benchmarkByteLargeArrayNative()

Benchmarks ByteLargeArray using native memory.

benchmarkByteLargeArrayNativeInANewThread

public static void benchmarkByteLargeArrayNativeInANewThread()

Benchmarks ByteLargeArray in a separate thread using native memory.

benchmarkFloatLargeArrayNative

public static void benchmarkFloatLargeArrayNative()

Benchmarks FloatLargeArray using native memory.

benchmarkFloatLargeArrayNativeInANewThread

public static void benchmarkFloatLargeArrayNativeInANewThread()

Benchmarks FloatLargeArray in a separate thread using native memory.

benchmarkArithmeticAdd

public static void benchmarkArithmeticAdd()

Benchmarks addition operation.

benchmarkStatisticsAvg

public static void benchmarkStatisticsAvg()

Benchmarks average operation.

main

public static void main(String[] args)

Main method for running benchmarks.

Parameters:

args - unused