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 <inttypes.h>
18 #include <type_traits>
19 #define LOG_ALWAYS_FATAL(...)
20
21 #include <../AudioMixerOps.h>
22 #include <benchmark/benchmark.h>
23
24 using namespace android;
25
26 template <int MIXTYPE, int NCHAN>
BM_VolumeRampMulti(benchmark::State & state)27 static void BM_VolumeRampMulti(benchmark::State& state) {
28 constexpr size_t FRAME_COUNT = 1000;
29 constexpr size_t SAMPLE_COUNT = FRAME_COUNT * NCHAN;
30
31 // data inialized to 0.
32 float out[SAMPLE_COUNT]{};
33 float in[SAMPLE_COUNT]{};
34 float aux[FRAME_COUNT]{};
35
36 // volume initialized to 0
37 float vola = 0.f;
38 float vol[2] = {0.f, 0.f};
39
40 // some volume increment
41 float volainc = 0.01f;
42 float volinc[2] = {0.01f, 0.01f};
43
44 while (state.KeepRunning()) {
45 benchmark::DoNotOptimize(out);
46 benchmark::DoNotOptimize(in);
47 volumeRampMulti<MIXTYPE, NCHAN>(out, FRAME_COUNT, in, aux, vol, volinc, &vola, volainc);
48 benchmark::ClobberMemory();
49 }
50 }
51
52 template <int MIXTYPE, int NCHAN>
BM_VolumeMulti(benchmark::State & state)53 static void BM_VolumeMulti(benchmark::State& state) {
54 constexpr size_t FRAME_COUNT = 1000;
55 constexpr size_t SAMPLE_COUNT = FRAME_COUNT * NCHAN;
56
57 // data inialized to 0.
58 float out[SAMPLE_COUNT]{};
59 float in[SAMPLE_COUNT]{};
60 float aux[FRAME_COUNT]{};
61
62 // volume initialized to 0
63 float vola = 0.f;
64 float vol[2] = {0.f, 0.f};
65
66
67 while (state.KeepRunning()) {
68 benchmark::DoNotOptimize(out);
69 benchmark::DoNotOptimize(in);
70 volumeMulti<MIXTYPE, NCHAN>(out, FRAME_COUNT, in, aux, vol, vola);
71 benchmark::ClobberMemory();
72 }
73 }
74
75 // MULTI mode and MULTI_SAVEONLY mode are not used by AudioMixer for channels > 2,
76 // which is ensured by a static_assert (won't compile for those configurations).
77 // So we benchmark MIXTYPE_MULTI_MONOVOL and MIXTYPE_MULTI_SAVEONLY_MONOVOL compared
78 // with MIXTYPE_MULTI_STEREOVOL and MIXTYPE_MULTI_SAVEONLY_STEREOVOL.
79 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_MONOVOL, 2);
80 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_SAVEONLY_MONOVOL, 2);
81 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_STEREOVOL, 2);
82 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_SAVEONLY_STEREOVOL, 2);
83
84 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_MONOVOL, 4);
85 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_SAVEONLY_MONOVOL, 4);
86 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_STEREOVOL, 4);
87 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_SAVEONLY_STEREOVOL, 4);
88
89 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_MONOVOL, 5);
90 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_SAVEONLY_MONOVOL, 5);
91 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_STEREOVOL, 5);
92 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_SAVEONLY_STEREOVOL, 5);
93
94 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_MONOVOL, 8);
95 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_SAVEONLY_MONOVOL, 8);
96 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_STEREOVOL, 8);
97 BENCHMARK_TEMPLATE(BM_VolumeRampMulti, MIXTYPE_MULTI_SAVEONLY_STEREOVOL, 8);
98
99 BENCHMARK_TEMPLATE(BM_VolumeMulti, MIXTYPE_MULTI_MONOVOL, 8);
100 BENCHMARK_TEMPLATE(BM_VolumeMulti, MIXTYPE_MULTI_SAVEONLY_MONOVOL, 8);
101 BENCHMARK_TEMPLATE(BM_VolumeMulti, MIXTYPE_MULTI_STEREOVOL, 8);
102 BENCHMARK_TEMPLATE(BM_VolumeMulti, MIXTYPE_MULTI_SAVEONLY_STEREOVOL, 8);
103
104 BENCHMARK_MAIN();
105