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-rw-r--r--core/tests/benchmarks/src/android/util/FloatMathBenchmark.java116
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
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+++ b/core/tests/benchmarks/src/android/util/FloatMathBenchmark.java
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+/*
+ * 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;
+ }
+
+}