| /* |
| * Copyright (C) 2015 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. |
| */ |
| |
| import com.google.caliper.SimpleBenchmark; |
| |
| public class JniPerfBenchmark extends SimpleBenchmark { |
| private static final String MSG = "ABCDE"; |
| |
| native void perfJniEmptyCall(); |
| native void perfSOACall(); |
| native void perfSOAUncheckedCall(); |
| |
| public void timeFastJNI(int N) { |
| // TODO: This might be an intrinsic. |
| for (long i = 0; i < N; i++) { |
| char c = MSG.charAt(2); |
| } |
| } |
| |
| public void timeEmptyCall(int N) { |
| for (long i = 0; i < N; i++) { |
| perfJniEmptyCall(); |
| } |
| } |
| |
| public void timeSOACall(int N) { |
| for (long i = 0; i < N; i++) { |
| perfSOACall(); |
| } |
| } |
| |
| public void timeSOAUncheckedCall(int N) { |
| for (long i = 0; i < N; i++) { |
| perfSOAUncheckedCall(); |
| } |
| } |
| |
| { |
| System.loadLibrary("artbenchmark"); |
| } |
| } |