xref: /aosp_15_r20/frameworks/native/libs/binder/tests/binderParcelBenchmark.cpp (revision 38e8c45f13ce32b0dcecb25141ffecaf386fa17f)
1*38e8c45fSAndroid Build Coastguard Worker /*
2*38e8c45fSAndroid Build Coastguard Worker  * Copyright (C) 2021 The Android Open Source Project
3*38e8c45fSAndroid Build Coastguard Worker  *
4*38e8c45fSAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*38e8c45fSAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*38e8c45fSAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*38e8c45fSAndroid Build Coastguard Worker  *
8*38e8c45fSAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*38e8c45fSAndroid Build Coastguard Worker  *
10*38e8c45fSAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*38e8c45fSAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*38e8c45fSAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*38e8c45fSAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*38e8c45fSAndroid Build Coastguard Worker  * limitations under the License.
15*38e8c45fSAndroid Build Coastguard Worker  */
16*38e8c45fSAndroid Build Coastguard Worker 
17*38e8c45fSAndroid Build Coastguard Worker #include <binder/Parcel.h>
18*38e8c45fSAndroid Build Coastguard Worker #include <benchmark/benchmark.h>
19*38e8c45fSAndroid Build Coastguard Worker 
20*38e8c45fSAndroid Build Coastguard Worker // Usage: atest binderParcelBenchmark
21*38e8c45fSAndroid Build Coastguard Worker 
22*38e8c45fSAndroid Build Coastguard Worker // For static assert(false) we need a template version to avoid early failure.
23*38e8c45fSAndroid Build Coastguard Worker // See: https://stackoverflow.com/questions/51523965/template-dependent-false
24*38e8c45fSAndroid Build Coastguard Worker template <typename T>
25*38e8c45fSAndroid Build Coastguard Worker constexpr bool dependent_false_v = false;
26*38e8c45fSAndroid Build Coastguard Worker 
27*38e8c45fSAndroid Build Coastguard Worker template <template <typename ...> class V, typename T, typename... Args>
writeVector(android::Parcel & p,const V<T,Args...> & v)28*38e8c45fSAndroid Build Coastguard Worker void writeVector(android::Parcel &p, const V<T, Args...> &v) {
29*38e8c45fSAndroid Build Coastguard Worker     if constexpr (std::is_same_v<T, bool>) {
30*38e8c45fSAndroid Build Coastguard Worker         p.writeBoolVector(v);
31*38e8c45fSAndroid Build Coastguard Worker     } else if constexpr (std::is_same_v<T, uint8_t>) {
32*38e8c45fSAndroid Build Coastguard Worker         p.writeByteVector(v);
33*38e8c45fSAndroid Build Coastguard Worker     } else if constexpr (std::is_same_v<T, char16_t>) {
34*38e8c45fSAndroid Build Coastguard Worker         p.writeCharVector(v);
35*38e8c45fSAndroid Build Coastguard Worker     } else if constexpr (std::is_same_v<T, int32_t>) {
36*38e8c45fSAndroid Build Coastguard Worker         p.writeInt32Vector(v);
37*38e8c45fSAndroid Build Coastguard Worker     } else if constexpr (std::is_same_v<T, int64_t>) {
38*38e8c45fSAndroid Build Coastguard Worker         p.writeInt64Vector(v);
39*38e8c45fSAndroid Build Coastguard Worker     } else {
40*38e8c45fSAndroid Build Coastguard Worker         static_assert(dependent_false_v<V<T>>);
41*38e8c45fSAndroid Build Coastguard Worker     }
42*38e8c45fSAndroid Build Coastguard Worker }
43*38e8c45fSAndroid Build Coastguard Worker 
44*38e8c45fSAndroid Build Coastguard Worker template <template <typename ...> class V, typename T, typename... Args>
readVector(android::Parcel & p,V<T,Args...> * v)45*38e8c45fSAndroid Build Coastguard Worker void readVector(android::Parcel &p, V<T, Args...> *v) {
46*38e8c45fSAndroid Build Coastguard Worker     if constexpr (std::is_same_v<T, bool>) {
47*38e8c45fSAndroid Build Coastguard Worker         p.readBoolVector(v);
48*38e8c45fSAndroid Build Coastguard Worker     } else if constexpr (std::is_same_v<T, uint8_t>) {
49*38e8c45fSAndroid Build Coastguard Worker         p.readByteVector(v);
50*38e8c45fSAndroid Build Coastguard Worker     } else if constexpr (std::is_same_v<T, char16_t>) {
51*38e8c45fSAndroid Build Coastguard Worker         p.readCharVector(v);
52*38e8c45fSAndroid Build Coastguard Worker     } else if constexpr (std::is_same_v<T, int32_t>) {
53*38e8c45fSAndroid Build Coastguard Worker         p.readInt32Vector(v);
54*38e8c45fSAndroid Build Coastguard Worker     } else if constexpr (std::is_same_v<T, int64_t>) {
55*38e8c45fSAndroid Build Coastguard Worker         p.readInt64Vector(v);
56*38e8c45fSAndroid Build Coastguard Worker     } else {
57*38e8c45fSAndroid Build Coastguard Worker         static_assert(dependent_false_v<V<T>>);
58*38e8c45fSAndroid Build Coastguard Worker     }
59*38e8c45fSAndroid Build Coastguard Worker }
60*38e8c45fSAndroid Build Coastguard Worker 
61*38e8c45fSAndroid Build Coastguard Worker // Construct a series of args { 1 << 0, 1 << 1, ..., 1 << 10 }
VectorArgs(benchmark::internal::Benchmark * b)62*38e8c45fSAndroid Build Coastguard Worker static void VectorArgs(benchmark::internal::Benchmark* b) {
63*38e8c45fSAndroid Build Coastguard Worker     for (int i = 0; i < 10; ++i) {
64*38e8c45fSAndroid Build Coastguard Worker         b->Args({1 << i});
65*38e8c45fSAndroid Build Coastguard Worker     }
66*38e8c45fSAndroid Build Coastguard Worker }
67*38e8c45fSAndroid Build Coastguard Worker 
68*38e8c45fSAndroid Build Coastguard Worker template <typename T>
BM_ParcelVector(benchmark::State & state)69*38e8c45fSAndroid Build Coastguard Worker static void BM_ParcelVector(benchmark::State& state) {
70*38e8c45fSAndroid Build Coastguard Worker     const size_t elements = state.range(0);
71*38e8c45fSAndroid Build Coastguard Worker 
72*38e8c45fSAndroid Build Coastguard Worker     std::vector<T> v1(elements);
73*38e8c45fSAndroid Build Coastguard Worker     std::vector<T> v2(elements);
74*38e8c45fSAndroid Build Coastguard Worker     android::Parcel p;
75*38e8c45fSAndroid Build Coastguard Worker     while (state.KeepRunning()) {
76*38e8c45fSAndroid Build Coastguard Worker         p.setDataPosition(0);
77*38e8c45fSAndroid Build Coastguard Worker         writeVector(p, v1);
78*38e8c45fSAndroid Build Coastguard Worker 
79*38e8c45fSAndroid Build Coastguard Worker         p.setDataPosition(0);
80*38e8c45fSAndroid Build Coastguard Worker         readVector(p, &v2);
81*38e8c45fSAndroid Build Coastguard Worker 
82*38e8c45fSAndroid Build Coastguard Worker         benchmark::DoNotOptimize(v2[0]);
83*38e8c45fSAndroid Build Coastguard Worker         benchmark::ClobberMemory();
84*38e8c45fSAndroid Build Coastguard Worker     }
85*38e8c45fSAndroid Build Coastguard Worker     state.SetComplexityN(elements);
86*38e8c45fSAndroid Build Coastguard Worker }
87*38e8c45fSAndroid Build Coastguard Worker 
88*38e8c45fSAndroid Build Coastguard Worker /*
89*38e8c45fSAndroid Build Coastguard Worker   Parcel vector write than read.
90*38e8c45fSAndroid Build Coastguard Worker   The read and write vectors are fixed, no resizing required.
91*38e8c45fSAndroid Build Coastguard Worker 
92*38e8c45fSAndroid Build Coastguard Worker   Results on Crosshatch Pixel 3XL
93*38e8c45fSAndroid Build Coastguard Worker 
94*38e8c45fSAndroid Build Coastguard Worker   #BM_BoolVector/1         44 ns      44 ns     15630626
95*38e8c45fSAndroid Build Coastguard Worker   #BM_BoolVector/2         54 ns      54 ns     12900340
96*38e8c45fSAndroid Build Coastguard Worker   #BM_BoolVector/4         73 ns      72 ns      9749841
97*38e8c45fSAndroid Build Coastguard Worker   #BM_BoolVector/8        107 ns     107 ns      6503326
98*38e8c45fSAndroid Build Coastguard Worker   #BM_BoolVector/16       186 ns     185 ns      3773627
99*38e8c45fSAndroid Build Coastguard Worker   #BM_BoolVector/32       337 ns     336 ns      2083877
100*38e8c45fSAndroid Build Coastguard Worker   #BM_BoolVector/64       607 ns     605 ns      1154113
101*38e8c45fSAndroid Build Coastguard Worker   #BM_BoolVector/128     1155 ns    1151 ns       608128
102*38e8c45fSAndroid Build Coastguard Worker   #BM_BoolVector/256     2259 ns    2253 ns       310973
103*38e8c45fSAndroid Build Coastguard Worker   #BM_BoolVector/512     4469 ns    4455 ns       157277
104*38e8c45fSAndroid Build Coastguard Worker   #BM_ByteVector/1         41 ns      41 ns     16837425
105*38e8c45fSAndroid Build Coastguard Worker   #BM_ByteVector/2         41 ns      41 ns     16820726
106*38e8c45fSAndroid Build Coastguard Worker   #BM_ByteVector/4         38 ns      38 ns     18217813
107*38e8c45fSAndroid Build Coastguard Worker   #BM_ByteVector/8         38 ns      38 ns     18290298
108*38e8c45fSAndroid Build Coastguard Worker   #BM_ByteVector/16        38 ns      38 ns     18117817
109*38e8c45fSAndroid Build Coastguard Worker   #BM_ByteVector/32        38 ns      38 ns     18172385
110*38e8c45fSAndroid Build Coastguard Worker   #BM_ByteVector/64        41 ns      41 ns     16950055
111*38e8c45fSAndroid Build Coastguard Worker   #BM_ByteVector/128       53 ns      53 ns     13170749
112*38e8c45fSAndroid Build Coastguard Worker   #BM_ByteVector/256       69 ns      69 ns     10113626
113*38e8c45fSAndroid Build Coastguard Worker   #BM_ByteVector/512      106 ns     106 ns      6561936
114*38e8c45fSAndroid Build Coastguard Worker   #BM_CharVector/1         38 ns      38 ns     18074831
115*38e8c45fSAndroid Build Coastguard Worker   #BM_CharVector/2         40 ns      40 ns     17206266
116*38e8c45fSAndroid Build Coastguard Worker   #BM_CharVector/4         50 ns      50 ns     13785944
117*38e8c45fSAndroid Build Coastguard Worker   #BM_CharVector/8         67 ns      67 ns     10223316
118*38e8c45fSAndroid Build Coastguard Worker   #BM_CharVector/16        96 ns      96 ns      7297285
119*38e8c45fSAndroid Build Coastguard Worker   #BM_CharVector/32       156 ns     155 ns      4484845
120*38e8c45fSAndroid Build Coastguard Worker   #BM_CharVector/64       277 ns     276 ns      2536003
121*38e8c45fSAndroid Build Coastguard Worker   #BM_CharVector/128      520 ns     518 ns      1347070
122*38e8c45fSAndroid Build Coastguard Worker   #BM_CharVector/256     1006 ns    1003 ns       695952
123*38e8c45fSAndroid Build Coastguard Worker   #BM_CharVector/512     1976 ns    1970 ns       354673
124*38e8c45fSAndroid Build Coastguard Worker   #BM_Int32Vector/1        41 ns      41 ns     16951262
125*38e8c45fSAndroid Build Coastguard Worker   #BM_Int32Vector/2        41 ns      41 ns     16916883
126*38e8c45fSAndroid Build Coastguard Worker   #BM_Int32Vector/4        41 ns      41 ns     16761373
127*38e8c45fSAndroid Build Coastguard Worker   #BM_Int32Vector/8        42 ns      42 ns     16553179
128*38e8c45fSAndroid Build Coastguard Worker   #BM_Int32Vector/16       43 ns      43 ns     16200362
129*38e8c45fSAndroid Build Coastguard Worker   #BM_Int32Vector/32       55 ns      54 ns     12724454
130*38e8c45fSAndroid Build Coastguard Worker   #BM_Int32Vector/64       70 ns      69 ns     10049223
131*38e8c45fSAndroid Build Coastguard Worker   #BM_Int32Vector/128     107 ns     107 ns      6525796
132*38e8c45fSAndroid Build Coastguard Worker   #BM_Int32Vector/256     179 ns     178 ns      3922563
133*38e8c45fSAndroid Build Coastguard Worker   #BM_Int32Vector/512     324 ns     323 ns      2160653
134*38e8c45fSAndroid Build Coastguard Worker   #BM_Int64Vector/1        41 ns      41 ns     16909470
135*38e8c45fSAndroid Build Coastguard Worker   #BM_Int64Vector/2        41 ns      41 ns     16740788
136*38e8c45fSAndroid Build Coastguard Worker   #BM_Int64Vector/4        42 ns      42 ns     16564197
137*38e8c45fSAndroid Build Coastguard Worker   #BM_Int64Vector/8        43 ns      42 ns     16284082
138*38e8c45fSAndroid Build Coastguard Worker   #BM_Int64Vector/16       54 ns      54 ns     12839474
139*38e8c45fSAndroid Build Coastguard Worker   #BM_Int64Vector/32       69 ns      69 ns     10011010
140*38e8c45fSAndroid Build Coastguard Worker   #BM_Int64Vector/64      107 ns     106 ns      6557956
141*38e8c45fSAndroid Build Coastguard Worker   #BM_Int64Vector/128     177 ns     177 ns      3925618
142*38e8c45fSAndroid Build Coastguard Worker   #BM_Int64Vector/256     324 ns     323 ns      2163321
143*38e8c45fSAndroid Build Coastguard Worker   #BM_Int64Vector/512     613 ns     611 ns      1140418
144*38e8c45fSAndroid Build Coastguard Worker */
145*38e8c45fSAndroid Build Coastguard Worker 
BM_BoolVector(benchmark::State & state)146*38e8c45fSAndroid Build Coastguard Worker static void BM_BoolVector(benchmark::State& state) {
147*38e8c45fSAndroid Build Coastguard Worker     BM_ParcelVector<bool>(state);
148*38e8c45fSAndroid Build Coastguard Worker }
149*38e8c45fSAndroid Build Coastguard Worker 
BM_ByteVector(benchmark::State & state)150*38e8c45fSAndroid Build Coastguard Worker static void BM_ByteVector(benchmark::State& state) {
151*38e8c45fSAndroid Build Coastguard Worker     BM_ParcelVector<uint8_t>(state);
152*38e8c45fSAndroid Build Coastguard Worker }
153*38e8c45fSAndroid Build Coastguard Worker 
BM_CharVector(benchmark::State & state)154*38e8c45fSAndroid Build Coastguard Worker static void BM_CharVector(benchmark::State& state) {
155*38e8c45fSAndroid Build Coastguard Worker     BM_ParcelVector<char16_t>(state);
156*38e8c45fSAndroid Build Coastguard Worker }
157*38e8c45fSAndroid Build Coastguard Worker 
BM_Int32Vector(benchmark::State & state)158*38e8c45fSAndroid Build Coastguard Worker static void BM_Int32Vector(benchmark::State& state) {
159*38e8c45fSAndroid Build Coastguard Worker     BM_ParcelVector<int32_t>(state);
160*38e8c45fSAndroid Build Coastguard Worker }
161*38e8c45fSAndroid Build Coastguard Worker 
BM_Int64Vector(benchmark::State & state)162*38e8c45fSAndroid Build Coastguard Worker static void BM_Int64Vector(benchmark::State& state) {
163*38e8c45fSAndroid Build Coastguard Worker     BM_ParcelVector<int64_t>(state);
164*38e8c45fSAndroid Build Coastguard Worker }
165*38e8c45fSAndroid Build Coastguard Worker 
166*38e8c45fSAndroid Build Coastguard Worker BENCHMARK(BM_BoolVector)->Apply(VectorArgs);
167*38e8c45fSAndroid Build Coastguard Worker BENCHMARK(BM_ByteVector)->Apply(VectorArgs);
168*38e8c45fSAndroid Build Coastguard Worker BENCHMARK(BM_CharVector)->Apply(VectorArgs);
169*38e8c45fSAndroid Build Coastguard Worker BENCHMARK(BM_Int32Vector)->Apply(VectorArgs);
170*38e8c45fSAndroid Build Coastguard Worker BENCHMARK(BM_Int64Vector)->Apply(VectorArgs);
171*38e8c45fSAndroid Build Coastguard Worker 
172*38e8c45fSAndroid Build Coastguard Worker BENCHMARK_MAIN();
173