diff options
Diffstat (limited to 'core/tests/benchmarks/src/android/util/FloatMathBenchmark.java')
-rw-r--r-- | core/tests/benchmarks/src/android/util/FloatMathBenchmark.java | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/core/tests/benchmarks/src/android/util/FloatMathBenchmark.java b/core/tests/benchmarks/src/android/util/FloatMathBenchmark.java new file mode 100644 index 0000000..2858128 --- /dev/null +++ b/core/tests/benchmarks/src/android/util/FloatMathBenchmark.java @@ -0,0 +1,116 @@ +/* + * Copyright (C) 2014 The Android Open Source Project + * + * 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 android.util; + +import com.google.caliper.Param; +import com.google.caliper.Runner; +import com.google.caliper.SimpleBenchmark; + +import android.util.FloatMath; + +public class FloatMathBenchmark extends SimpleBenchmark { + + public float timeFloatMathCeil(int reps) { + // Keep an answer so we don't optimize the method call away. + float f = 0.0f; + for (int i = 0; i < reps; i++) { + f += FloatMath.ceil(100.123f); + } + return f; + } + + public float timeFloatMathCeil_math(int reps) { + // Keep an answer so we don't optimize the method call away. + float f = 0.0f; + for (int i = 0; i < reps; i++) { + f += (float) Math.ceil(100.123f); + } + return f; + } + + public float timeFloatMathCos(int reps) { + // Keep an answer so we don't optimize the method call away. + float f = 0.0f; + for (int i = 0; i < reps; i++) { + f += FloatMath.cos(100.123f); + } + return f; + } + + public float timeFloatMathExp(int reps) { + // Keep an answer so we don't optimize the method call away. + float f = 0.0f; + for (int i = 0; i < reps; i++) { + f += FloatMath.exp(100.123f); + } + return f; + } + + public float timeFloatMathFloor(int reps) { + // Keep an answer so we don't optimize the method call away. + float f = 0.0f; + for (int i = 0; i < reps; i++) { + f += FloatMath.floor(100.123f); + } + return f; + } + + public float timeFloatMathHypot(int reps) { + // Keep an answer so we don't optimize the method call away. + float f = 0.0f; + for (int i = 0; i < reps; i++) { + f += FloatMath.hypot(100.123f, 100.123f); + } + return f; + } + + public float timeFloatMathPow(int reps) { + // Keep an answer so we don't optimize the method call away. + float f = 0.0f; + for (int i = 0; i < reps; i++) { + f += FloatMath.pow(10.123f, 10.123f); + } + return f; + } + + public float timeFloatMathSin(int reps) { + // Keep an answer so we don't optimize the method call away. + float f = 0.0f; + for (int i = 0; i < reps; i++) { + f += FloatMath.sin(100.123f); + } + return f; + } + + public float timeFloatMathSqrt(int reps) { + // Keep an answer so we don't optimize the method call away. + float f = 0.0f; + for (int i = 0; i < reps; i++) { + f += FloatMath.sqrt(100.123f); + } + return f; + } + + public float timeFloatMathSqrt_math(int reps) { + // Keep an answer so we don't optimize the method call away. + float f = 0.0f; + for (int i = 0; i < reps; i++) { + f += (float) Math.sqrt(100.123f); + } + return f; + } + +} |