1 /*
2  * Copyright (C) 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "benchmark/benchmark.h"
18 
19 #include "androidfw/CursorWindow.h"
20 
21 namespace android {
22 
23 static void BM_CursorWindowWrite(benchmark::State& state, size_t rows, size_t cols) {
24     CursorWindow* w;
25     CursorWindow::create(String8("test"), 1 << 21, &w);
26 
27     while (state.KeepRunning()) {
28         w->clear();
29         w->setNumColumns(cols);
30         for (int row = 0; row < rows; row++) {
31             w->allocRow();
32             for (int col = 0; col < cols; col++) {
33                 w->putLong(row, col, 0xcafe);
34             }
35         }
36     }
37 }
38 
39 static void BM_CursorWindowWrite4x4(benchmark::State& state) {
40     BM_CursorWindowWrite(state, 4, 4);
41 }
42 BENCHMARK(BM_CursorWindowWrite4x4);
43 
44 static void BM_CursorWindowWrite1Kx4(benchmark::State& state) {
45     BM_CursorWindowWrite(state, 1024, 4);
46 }
47 BENCHMARK(BM_CursorWindowWrite1Kx4);
48 
49 static void BM_CursorWindowWrite16Kx4(benchmark::State& state) {
50     BM_CursorWindowWrite(state, 16384, 4);
51 }
52 BENCHMARK(BM_CursorWindowWrite16Kx4);
53 
54 static void BM_CursorWindowRead(benchmark::State& state, size_t rows, size_t cols) {
55     CursorWindow* w;
56     CursorWindow::create(String8("test"), 1 << 21, &w);
57     w->setNumColumns(cols);
58     for (int row = 0; row < rows; row++) {
59         w->allocRow();
60     }
61 
62     while (state.KeepRunning()) {
63         for (int row = 0; row < rows; row++) {
64             for (int col = 0; col < cols; col++) {
65                 w->getFieldSlot(row, col);
66             }
67         }
68     }
69 }
70 
71 static void BM_CursorWindowRead4x4(benchmark::State& state) {
72     BM_CursorWindowRead(state, 4, 4);
73 }
74 BENCHMARK(BM_CursorWindowRead4x4);
75 
76 static void BM_CursorWindowRead1Kx4(benchmark::State& state) {
77     BM_CursorWindowRead(state, 1024, 4);
78 }
79 BENCHMARK(BM_CursorWindowRead1Kx4);
80 
81 static void BM_CursorWindowRead16Kx4(benchmark::State& state) {
82     BM_CursorWindowRead(state, 16384, 4);
83 }
84 BENCHMARK(BM_CursorWindowRead16Kx4);
85 
86 }  // namespace android
87