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author | Elliott Hughes <enh@google.com> | 2013-02-13 16:21:51 -0800 |
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committer | Elliott Hughes <enh@google.com> | 2013-02-13 16:21:51 -0800 |
commit | 97aba27f961a5a6f37dcaf7f455df371e250ede3 (patch) | |
tree | b31965a67f8db0c08586c3484e330dcf8f97df6d /benchmarks/regression/IntConstantMultiplicationBenchmark.java | |
parent | 8d1430e1d9cb3ac5c85b3d75119260cb44791f7f (diff) | |
download | libcore-97aba27f961a5a6f37dcaf7f455df371e250ede3.zip libcore-97aba27f961a5a6f37dcaf7f455df371e250ede3.tar.gz libcore-97aba27f961a5a6f37dcaf7f455df371e250ede3.tar.bz2 |
Add the code.google.com/p/dalvik benchmarks to libcore.
I'll remove them from code.google.com afterwards.
Change-Id: I369a301ed0e116c7971caebc607c5a86d06d4ee2
Diffstat (limited to 'benchmarks/regression/IntConstantMultiplicationBenchmark.java')
-rw-r--r-- | benchmarks/regression/IntConstantMultiplicationBenchmark.java | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/benchmarks/regression/IntConstantMultiplicationBenchmark.java b/benchmarks/regression/IntConstantMultiplicationBenchmark.java new file mode 100644 index 0000000..ca1349c --- /dev/null +++ b/benchmarks/regression/IntConstantMultiplicationBenchmark.java @@ -0,0 +1,103 @@ +/* + * Copyright (C) 2010 Google Inc. + * + * 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.regression; + +import com.google.caliper.Param; +import com.google.caliper.Runner; +import com.google.caliper.SimpleBenchmark; + +public class IntConstantMultiplicationBenchmark extends SimpleBenchmark { + public int timeMultiplyIntByConstant6(int reps) { + int result = 1; + for (int i = 0; i < reps; ++i) { + result *= 6; + } + return result; + } + public int timeMultiplyIntByConstant7(int reps) { + int result = 1; + for (int i = 0; i < reps; ++i) { + result *= 7; + } + return result; + } + public int timeMultiplyIntByConstant8(int reps) { + int result = 1; + for (int i = 0; i < reps; ++i) { + result *= 8; + } + return result; + } + public int timeMultiplyIntByConstant8_Shift(int reps) { + int result = 1; + for (int i = 0; i < reps; ++i) { + result <<= 3; + } + return result; + } + public int timeMultiplyIntByConstant10(int reps) { + int result = 1; + for (int i = 0; i < reps; ++i) { + result *= 10; + } + return result; + } + public int timeMultiplyIntByConstant10_Shift(int reps) { + int result = 1; + for (int i = 0; i < reps; ++i) { + result = (result + (result << 2)) << 1; + } + return result; + } + public int timeMultiplyIntByConstant2047(int reps) { + int result = 1; + for (int i = 0; i < reps; ++i) { + result *= 2047; + } + return result; + } + public int timeMultiplyIntByConstant2048(int reps) { + int result = 1; + for (int i = 0; i < reps; ++i) { + result *= 2048; + } + return result; + } + public int timeMultiplyIntByConstant2049(int reps) { + int result = 1; + for (int i = 0; i < reps; ++i) { + result *= 2049; + } + return result; + } + public int timeMultiplyIntByVariable10(int reps) { + int result = 1; + int factor = 10; + for (int i = 0; i < reps; ++i) { + result *= factor; + } + return result; + } + public int timeMultiplyIntByVariable8(int reps) { + int result = 1; + int factor = 8; + for (int i = 0; i < reps; ++i) { + result *= factor; + } + return result; + } +} |