xref: /aosp_15_r20/external/abseil-cpp/absl/strings/str_join_benchmark.cc (revision 9356374a3709195abf420251b3e825997ff56c0f)
1*9356374aSAndroid Build Coastguard Worker //
2*9356374aSAndroid Build Coastguard Worker // Copyright 2018 The Abseil Authors.
3*9356374aSAndroid Build Coastguard Worker //
4*9356374aSAndroid Build Coastguard Worker // Licensed under the Apache License, Version 2.0 (the "License");
5*9356374aSAndroid Build Coastguard Worker // you may not use this file except in compliance with the License.
6*9356374aSAndroid Build Coastguard Worker // You may obtain a copy of the License at
7*9356374aSAndroid Build Coastguard Worker //
8*9356374aSAndroid Build Coastguard Worker //      https://www.apache.org/licenses/LICENSE-2.0
9*9356374aSAndroid Build Coastguard Worker //
10*9356374aSAndroid Build Coastguard Worker // Unless required by applicable law or agreed to in writing, software
11*9356374aSAndroid Build Coastguard Worker // distributed under the License is distributed on an "AS IS" BASIS,
12*9356374aSAndroid Build Coastguard Worker // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*9356374aSAndroid Build Coastguard Worker // See the License for the specific language governing permissions and
14*9356374aSAndroid Build Coastguard Worker // limitations under the License.
15*9356374aSAndroid Build Coastguard Worker 
16*9356374aSAndroid Build Coastguard Worker #include "absl/strings/str_join.h"
17*9356374aSAndroid Build Coastguard Worker 
18*9356374aSAndroid Build Coastguard Worker #include <string>
19*9356374aSAndroid Build Coastguard Worker #include <tuple>
20*9356374aSAndroid Build Coastguard Worker #include <vector>
21*9356374aSAndroid Build Coastguard Worker #include <utility>
22*9356374aSAndroid Build Coastguard Worker 
23*9356374aSAndroid Build Coastguard Worker #include "benchmark/benchmark.h"
24*9356374aSAndroid Build Coastguard Worker 
25*9356374aSAndroid Build Coastguard Worker namespace {
26*9356374aSAndroid Build Coastguard Worker 
BM_Join2_Strings(benchmark::State & state)27*9356374aSAndroid Build Coastguard Worker void BM_Join2_Strings(benchmark::State& state) {
28*9356374aSAndroid Build Coastguard Worker   const int string_len = state.range(0);
29*9356374aSAndroid Build Coastguard Worker   const int num_strings = state.range(1);
30*9356374aSAndroid Build Coastguard Worker   const std::string s(string_len, 'x');
31*9356374aSAndroid Build Coastguard Worker   const std::vector<std::string> v(num_strings, s);
32*9356374aSAndroid Build Coastguard Worker   for (auto _ : state) {
33*9356374aSAndroid Build Coastguard Worker     std::string s = absl::StrJoin(v, "-");
34*9356374aSAndroid Build Coastguard Worker     benchmark::DoNotOptimize(s);
35*9356374aSAndroid Build Coastguard Worker   }
36*9356374aSAndroid Build Coastguard Worker }
37*9356374aSAndroid Build Coastguard Worker BENCHMARK(BM_Join2_Strings)
38*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 0, 1 << 3)
39*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 10, 1 << 3)
40*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 13, 1 << 3)
41*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 0, 1 << 10)
42*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 10, 1 << 10)
43*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 13, 1 << 10)
44*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 0, 1 << 13)
45*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 10, 1 << 13)
46*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 13, 1 << 13);
47*9356374aSAndroid Build Coastguard Worker 
BM_Join2_Ints(benchmark::State & state)48*9356374aSAndroid Build Coastguard Worker void BM_Join2_Ints(benchmark::State& state) {
49*9356374aSAndroid Build Coastguard Worker   const int num_ints = state.range(0);
50*9356374aSAndroid Build Coastguard Worker   const std::vector<int> v(num_ints, 42);
51*9356374aSAndroid Build Coastguard Worker   for (auto _ : state) {
52*9356374aSAndroid Build Coastguard Worker     std::string s = absl::StrJoin(v, "-");
53*9356374aSAndroid Build Coastguard Worker     benchmark::DoNotOptimize(s);
54*9356374aSAndroid Build Coastguard Worker   }
55*9356374aSAndroid Build Coastguard Worker }
56*9356374aSAndroid Build Coastguard Worker BENCHMARK(BM_Join2_Ints)->Range(0, 1 << 13);
57*9356374aSAndroid Build Coastguard Worker 
BM_Join2_KeysAndValues(benchmark::State & state)58*9356374aSAndroid Build Coastguard Worker void BM_Join2_KeysAndValues(benchmark::State& state) {
59*9356374aSAndroid Build Coastguard Worker   const int string_len = state.range(0);
60*9356374aSAndroid Build Coastguard Worker   const int num_pairs = state.range(1);
61*9356374aSAndroid Build Coastguard Worker   const std::string s(string_len, 'x');
62*9356374aSAndroid Build Coastguard Worker   const std::vector<std::pair<std::string, int>> v(num_pairs,
63*9356374aSAndroid Build Coastguard Worker                                                    std::make_pair(s, 42));
64*9356374aSAndroid Build Coastguard Worker   for (auto _ : state) {
65*9356374aSAndroid Build Coastguard Worker     std::string s = absl::StrJoin(v, ",", absl::PairFormatter("="));
66*9356374aSAndroid Build Coastguard Worker     benchmark::DoNotOptimize(s);
67*9356374aSAndroid Build Coastguard Worker   }
68*9356374aSAndroid Build Coastguard Worker }
69*9356374aSAndroid Build Coastguard Worker BENCHMARK(BM_Join2_KeysAndValues)
70*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 0, 1 << 3)
71*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 10, 1 << 3)
72*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 13, 1 << 3)
73*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 0, 1 << 10)
74*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 10, 1 << 10)
75*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 13, 1 << 10)
76*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 0, 1 << 13)
77*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 10, 1 << 13)
78*9356374aSAndroid Build Coastguard Worker     ->ArgPair(1 << 13, 1 << 13);
79*9356374aSAndroid Build Coastguard Worker 
BM_JoinStreamable(benchmark::State & state)80*9356374aSAndroid Build Coastguard Worker void BM_JoinStreamable(benchmark::State& state) {
81*9356374aSAndroid Build Coastguard Worker   const int string_len = state.range(0);
82*9356374aSAndroid Build Coastguard Worker   const int num_strings = state.range(1);
83*9356374aSAndroid Build Coastguard Worker   const std::vector<std::string> v(num_strings, std::string(string_len, 'x'));
84*9356374aSAndroid Build Coastguard Worker   for (auto _ : state) {
85*9356374aSAndroid Build Coastguard Worker     std::string s = absl::StrJoin(v, "", absl::StreamFormatter());
86*9356374aSAndroid Build Coastguard Worker     benchmark::DoNotOptimize(s);
87*9356374aSAndroid Build Coastguard Worker   }
88*9356374aSAndroid Build Coastguard Worker }
89*9356374aSAndroid Build Coastguard Worker BENCHMARK(BM_JoinStreamable)
90*9356374aSAndroid Build Coastguard Worker     ->ArgPair(0, 0)
91*9356374aSAndroid Build Coastguard Worker     ->ArgPair(16, 1)
92*9356374aSAndroid Build Coastguard Worker     ->ArgPair(256, 1)
93*9356374aSAndroid Build Coastguard Worker     ->ArgPair(16, 16)
94*9356374aSAndroid Build Coastguard Worker     ->ArgPair(256, 16)
95*9356374aSAndroid Build Coastguard Worker     ->ArgPair(16, 256)
96*9356374aSAndroid Build Coastguard Worker     ->ArgPair(256, 256);
97*9356374aSAndroid Build Coastguard Worker 
BM_JoinTuple(benchmark::State & state)98*9356374aSAndroid Build Coastguard Worker void BM_JoinTuple(benchmark::State& state) {
99*9356374aSAndroid Build Coastguard Worker   for (auto _ : state) {
100*9356374aSAndroid Build Coastguard Worker     std::string s =
101*9356374aSAndroid Build Coastguard Worker         absl::StrJoin(std::make_tuple(123456789, 987654321, 24680, 13579), "/");
102*9356374aSAndroid Build Coastguard Worker     benchmark::DoNotOptimize(s);
103*9356374aSAndroid Build Coastguard Worker   }
104*9356374aSAndroid Build Coastguard Worker }
105*9356374aSAndroid Build Coastguard Worker BENCHMARK(BM_JoinTuple);
106*9356374aSAndroid Build Coastguard Worker 
107*9356374aSAndroid Build Coastguard Worker }  // namespace
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