| /* |
| * 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; |
| } |
| |
| } |