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/*
* Copyright (C) 2021 Linaro Limited. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package benchmarks.javamatrix;
import java.util.Arrays;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import jmbench.tools.runtime.FactoryRuntimeEvaluationCase;
import jmbench.tools.runtime.RuntimeBenchmarkConfig;
import jmbench.tools.runtime.RuntimeEvaluationCase;
import jmbench.tools.runtime.RuntimeEvaluationTest;
public abstract class BenchBase {
public enum CaseType {
MULT,
ADD,
TRANSPOSE_SQUARE,
TRANSPOSE_TALL,
TRANSPOSE_WIDE,
SCALE,
DET,
INVERT,
INVERT_SYMM_POS_DEF,
SVD,
CHOL,
MULT_TRANS_B,
SOLVE_EXACT,
SOLVE_OVER,
QR,
LU,
EIG_SYMM,
}
private class BenchMapKey {
public CaseType caseType;
public int size;
public BenchMapKey(CaseType caseType, int size) {
this.caseType = caseType;
this.size = size;
}
@Override
public boolean equals(Object obj) {
if (obj.getClass() != BenchMapKey.class) {
return false;
}
BenchMapKey other = (BenchMapKey) obj;
return (caseType.equals(other.caseType)) &&
(size == other.size);
}
@Override
public int hashCode() {
return Objects.hash(caseType, size);
}
}
private FactoryRuntimeEvaluationCase factory;
private String factoryString;
private long seed;
private int[] sizes;
private Map<BenchMapKey, RuntimeEvaluationTest> testMap;
public BenchBase(String factoryString, long seed, EnumSet<CaseType> caseTypes, int[] sizes) {
this.seed = seed;
this.factoryString = factoryString;
this.sizes = sizes;
factory = createEvaluationCasesFactory(factoryString);
// Create and fill a hashmap of EvaluationTests ready to run
testMap = new HashMap<BenchMapKey, RuntimeEvaluationTest>();
for (CaseType caseType: caseTypes) {
for (int size: sizes) {
RuntimeEvaluationTest test = createEvaluationTest(caseType, size);
prepareEvaluationTest(test);
BenchMapKey key = new BenchMapKey(caseType, size);
testMap.put(key, test);
}
}
}
// Helper function to perform a full timing function for a specific CaseType
// and size of matrix.
// iters: number of iterations to perform.
// caseType: enum specifying which case of the benchmark to perform.
// size: the size of matrix to use for the benchmark case
// must be one of the sizes passed to the constructor.
public void timeRuntimeBenchmark(int iters, CaseType caseType, int size) {
for (int i = 0; i < iters; i++) {
try {
RuntimeEvaluationTest test =
getEvaluationTest(caseType, size);
test.evaluate();
} catch (RuntimeException e) {
e.printStackTrace();
}
}
}
// Creates the factory used to build the test cases for the benchmark library.
// factoryString: the name of the class to use as a factory.
//
// returns: factory used for generating evaluationCases.
private FactoryRuntimeEvaluationCase createEvaluationCasesFactory(String factoryString) {
// Create dummy configuration. This would normally be used to specify which
// cases to use and the size of the matricies but that functionality has
// been bypassed.
RuntimeBenchmarkConfig config = new RuntimeBenchmarkConfig();
return new FactoryRuntimeEvaluationCase(factoryString,config);
}
// Get an EvaluationTest ready to run.
// Initializes and generates the required matrices.
private void prepareEvaluationTest(RuntimeEvaluationTest test) {
test.setRandomSeed(seed);
test.init();
test.setupTest();
}
// Get a pre-generated EvaluationTest.
// caseType: enum specifying the case of the benchmark.
// size: the size of matrix to use for the test.
//
// return: the EvaluationTest for that case and size.
private RuntimeEvaluationTest getEvaluationTest(CaseType caseType,
int size) {
BenchMapKey key = new BenchMapKey(caseType, size);
return testMap.get(key);
}
// Create an EvaluationTest for a particular case at a particular size.
// caseType: enum specifying the case of the benchmark.
// size: the size of matrix to use for the test.
//
// return: an EvaluationTest that contains all the details to run a test.
private RuntimeEvaluationTest createEvaluationTest(CaseType caseType, int size) {
RuntimeEvaluationCase eCase = createEvaluationCase(caseType);
RuntimeEvaluationTest test = new RuntimeEvaluationTest();
test.setDimen(size);
test.setNameAlgorithm(eCase.getNameAlgorithm());
test.setClassFactory(eCase.getClassFactory());
test.setGenerator(eCase.getGenerator());
return test;
}
// Create a new evaluation case for a particular case of the benchmark.
// caseType: enum specifying the case of the benchmark.
//
// returns: an EvaluationCase that is required for a EvaluationTest.
private RuntimeEvaluationCase createEvaluationCase(CaseType caseType) {
switch (caseType) {
case MULT:
return factory.createMatrixMult(factoryString);
case ADD:
return factory.createMatrixAdd(factoryString);
case TRANSPOSE_SQUARE:
return factory.createTransposeSquare(factoryString);
case TRANSPOSE_TALL:
return factory.createTransposeTall(factoryString);
case TRANSPOSE_WIDE:
return factory.createTransposeWide(factoryString);
case SCALE:
return factory.createScale(factoryString);
case DET:
return factory.createDeterminant(factoryString);
case INVERT:
return factory.createInvert(factoryString);
case INVERT_SYMM_POS_DEF:
return factory.createInvertSymmPosDef(factoryString);
case SVD:
return factory.createSVD(factoryString);
case CHOL:
return factory.createCholesky(factoryString);
case MULT_TRANS_B:
return factory.createMultTranB(factoryString);
case SOLVE_EXACT:
return factory.createSolveEq(factoryString);
case SOLVE_OVER:
return factory.createSolveOver(factoryString);
case QR:
return factory.createQR(factoryString);
case LU:
return factory.createLU(factoryString);
case EIG_SYMM:
return factory.createEigSymm(factoryString);
default:
return null;
}
}
}
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