mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
468 lines
31 KiB
468 lines
31 KiB
// Copyright 2022 gRPC authors. |
|
// |
|
// 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. |
|
|
|
#include <cstdint> |
|
#include <random> |
|
|
|
#include <benchmark/benchmark.h> |
|
|
|
#include "src/core/ext/transport/chttp2/transport/bin_encoder.h" |
|
#include "src/core/ext/transport/chttp2/transport/decode_huff.h" |
|
#include "src/core/lib/slice/slice.h" |
|
#include "test/core/util/test_config.h" |
|
|
|
static const std::vector<uint8_t>* kInput = [] { |
|
std::vector<uint8_t> v; |
|
std::mt19937 rd(0); |
|
std::uniform_int_distribution<> dist_ty(0, 100); |
|
std::uniform_int_distribution<> dist_byte(0, 255); |
|
std::uniform_int_distribution<> dist_normal(32, 126); |
|
for (int i = 0; i < 1024 * 1024; i++) { |
|
if (dist_ty(rd) == 1) { |
|
v.push_back(dist_byte(rd)); |
|
} else { |
|
v.push_back(dist_normal(rd)); |
|
} |
|
} |
|
grpc_core::Slice s = grpc_core::Slice::FromCopiedBuffer(v); |
|
grpc_core::Slice c(grpc_chttp2_huffman_compress(s.c_slice())); |
|
return new std::vector<uint8_t>(c.begin(), c.end()); |
|
}(); |
|
|
|
static void BM_Decode(benchmark::State& state) { |
|
std::vector<uint8_t> output; |
|
auto add = [&output](uint8_t c) { output.push_back(c); }; |
|
for (auto _ : state) { |
|
output.clear(); |
|
grpc_core::HuffDecoder<decltype(add)>(add, kInput->data(), |
|
kInput->data() + kInput->size()) |
|
.Run(); |
|
} |
|
} |
|
BENCHMARK(BM_Decode); |
|
|
|
// Legacy huffman decoder |
|
static void BM_LegacyDecode(benchmark::State& state) { |
|
/* state table for huffman decoding: given a state, gives an index/16 into |
|
next_sub_tbl. Taking that index and adding the value of the nibble being |
|
considered returns the next state. |
|
generated by gen_hpack_tables.c */ |
|
static const uint8_t next_tbl[256] = { |
|
0, 1, 2, 3, 4, 1, 2, 5, 6, 1, 7, 8, 1, 3, 3, 9, 10, 11, |
|
1, 1, 1, 12, 1, 2, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
|
1, 1, 1, 2, 14, 1, 15, 16, 1, 17, 1, 15, 2, 7, 3, 18, 19, 1, |
|
1, 1, 1, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 15, 2, 2, 7, |
|
21, 1, 22, 1, 1, 1, 1, 1, 1, 1, 1, 15, 2, 2, 2, 2, 2, 2, |
|
23, 24, 25, 1, 1, 1, 1, 2, 2, 2, 26, 3, 3, 27, 10, 28, 1, 1, |
|
1, 1, 1, 1, 2, 3, 29, 10, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
|
1, 1, 1, 1, 1, 31, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, |
|
2, 2, 2, 32, 1, 1, 15, 33, 1, 34, 35, 9, 36, 1, 1, 1, 1, 1, |
|
1, 1, 37, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 26, 9, |
|
38, 1, 1, 1, 1, 1, 1, 1, 15, 2, 2, 2, 2, 26, 3, 3, 39, 1, |
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 7, 3, |
|
3, 3, 40, 2, 41, 1, 1, 1, 42, 43, 1, 1, 44, 1, 1, 1, 1, 15, |
|
2, 2, 2, 2, 2, 2, 3, 3, 3, 45, 46, 1, 1, 2, 2, 2, 35, 3, |
|
3, 18, 47, 2, |
|
}; |
|
|
|
/* next state, based upon current state and the current nibble: see above. |
|
generated by gen_hpack_tables.c */ |
|
static const int16_t next_sub_tbl[48 * 16] = { |
|
1, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, |
|
218, 2, 6, 10, 13, 14, 15, 16, 17, 2, 6, 10, 13, 14, 15, |
|
16, 17, 3, 7, 11, 24, 3, 7, 11, 24, 3, 7, 11, 24, 3, |
|
7, 11, 24, 4, 8, 4, 8, 4, 8, 4, 8, 4, 8, 4, 8, |
|
4, 8, 4, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, |
|
199, 200, 201, 202, 203, 4, 8, 4, 8, 0, 0, 0, 0, 0, 0, |
|
0, 0, 0, 0, 0, 0, 9, 133, 134, 135, 136, 137, 138, 139, 140, |
|
141, 142, 143, 144, 145, 146, 147, 3, 7, 11, 24, 3, 7, 11, 24, |
|
4, 8, 4, 8, 4, 8, 4, 8, 0, 0, 0, 0, 0, 0, 0, |
|
0, 0, 0, 0, 0, 0, 0, 12, 132, 4, 8, 4, 8, 4, 8, |
|
4, 8, 4, 8, 4, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
|
0, 0, 0, 0, 0, 0, 0, 0, 18, 19, 20, 21, 4, 8, 4, |
|
8, 4, 8, 4, 8, 4, 8, 0, 0, 0, 22, 23, 91, 25, 26, |
|
27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 3, |
|
7, 11, 24, 3, 7, 11, 24, 0, 0, 0, 0, 0, 41, 42, 43, |
|
2, 6, 10, 13, 14, 15, 16, 17, 3, 7, 11, 24, 3, 7, 11, |
|
24, 4, 8, 4, 8, 4, 8, 4, 8, 4, 8, 4, 8, 0, 0, |
|
44, 45, 2, 6, 10, 13, 14, 15, 16, 17, 46, 47, 48, 49, 50, |
|
51, 52, 57, 4, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
|
0, 53, 54, 55, 56, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, |
|
68, 69, 70, 71, 72, 74, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
|
0, 0, 0, 0, 0, 0, 73, 75, 76, 77, 78, 79, 80, 81, 82, |
|
83, 84, 85, 86, 87, 88, 89, 90, 3, 7, 11, 24, 3, 7, 11, |
|
24, 3, 7, 11, 24, 0, 0, 0, 0, 3, 7, 11, 24, 3, 7, |
|
11, 24, 4, 8, 4, 8, 0, 0, 0, 92, 0, 0, 0, 93, 94, |
|
95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 3, 7, 11, 24, |
|
4, 8, 4, 8, 4, 8, 4, 8, 4, 8, 4, 8, 4, 8, 4, |
|
8, 4, 8, 4, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
|
0, 0, 0, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 4, |
|
8, 4, 8, 4, 8, 4, 8, 4, 8, 4, 8, 4, 8, 0, 0, |
|
0, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, |
|
131, 2, 6, 10, 13, 14, 15, 16, 17, 4, 8, 4, 8, 4, 8, |
|
4, 8, 4, 8, 4, 8, 4, 8, 4, 8, 4, 8, 4, 8, 148, |
|
149, 150, 151, 3, 7, 11, 24, 4, 8, 4, 8, 0, 0, 0, 0, |
|
0, 0, 152, 153, 3, 7, 11, 24, 3, 7, 11, 24, 3, 7, 11, |
|
24, 154, 155, 156, 164, 3, 7, 11, 24, 3, 7, 11, 24, 3, 7, |
|
11, 24, 4, 8, 4, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
|
157, 158, 159, 160, 161, 162, 163, 165, 166, 167, 168, 169, 170, 171, 172, |
|
173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, |
|
188, 189, 190, 191, 192, 193, 194, 195, 196, 4, 8, 4, 8, 4, 8, |
|
4, 8, 4, 8, 4, 8, 4, 8, 197, 198, 4, 8, 4, 8, 4, |
|
8, 4, 8, 0, 0, 0, 0, 0, 0, 219, 220, 3, 7, 11, 24, |
|
4, 8, 4, 8, 4, 8, 0, 0, 221, 222, 223, 224, 3, 7, 11, |
|
24, 3, 7, 11, 24, 4, 8, 4, 8, 4, 8, 225, 228, 4, 8, |
|
4, 8, 4, 8, 0, 0, 0, 0, 0, 0, 0, 0, 226, 227, 229, |
|
230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, |
|
4, 8, 4, 8, 4, 8, 4, 8, 4, 8, 0, 0, 0, 0, 0, |
|
0, 0, 0, 0, 0, 0, 0, 245, 246, 247, 248, 249, 250, 251, 252, |
|
253, 254, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
|
0, 0, 255, |
|
}; |
|
|
|
/* emission table: indexed like next_tbl, ultimately gives the byte to be |
|
emitted, or -1 for no byte, or 256 for end of stream |
|
generated by gen_hpack_tables.c */ |
|
static const uint16_t emit_tbl[256] = { |
|
0, 1, 2, 3, 4, 5, 6, 7, 0, 8, 9, 10, 11, 12, 13, |
|
14, 15, 16, 17, 18, 19, 20, 21, 22, 0, 23, 24, 25, 26, 27, |
|
28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, |
|
43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 0, 55, 56, |
|
57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 0, |
|
71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, |
|
86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, |
|
101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, |
|
116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, |
|
131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, |
|
146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 0, |
|
160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, |
|
0, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, |
|
189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, |
|
204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, |
|
219, 220, 221, 0, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, |
|
233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, |
|
248, |
|
}; |
|
|
|
/* generated by gen_hpack_tables.c */ |
|
static const int16_t emit_sub_tbl[249 * 16] = { |
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
|
-1, 48, 48, 48, 48, 48, 48, 48, 48, 49, 49, 49, 49, 49, 49, |
|
49, 49, 48, 48, 48, 48, 49, 49, 49, 49, 50, 50, 50, 50, 97, |
|
97, 97, 97, 48, 48, 49, 49, 50, 50, 97, 97, 99, 99, 101, 101, |
|
105, 105, 111, 111, 48, 49, 50, 97, 99, 101, 105, 111, 115, 116, -1, |
|
-1, -1, -1, -1, -1, 32, 32, 32, 32, 32, 32, 32, 32, 37, 37, |
|
37, 37, 37, 37, 37, 37, 99, 99, 99, 99, 101, 101, 101, 101, 105, |
|
105, 105, 105, 111, 111, 111, 111, 115, 115, 116, 116, 32, 37, 45, 46, |
|
47, 51, 52, 53, 54, 55, 56, 57, 61, 61, 61, 61, 61, 61, 61, |
|
61, 65, 65, 65, 65, 65, 65, 65, 65, 115, 115, 115, 115, 116, 116, |
|
116, 116, 32, 32, 37, 37, 45, 45, 46, 46, 61, 65, 95, 98, 100, |
|
102, 103, 104, 108, 109, 110, 112, 114, 117, -1, -1, 58, 58, 58, 58, |
|
58, 58, 58, 58, 66, 66, 66, 66, 66, 66, 66, 66, 47, 47, 51, |
|
51, 52, 52, 53, 53, 54, 54, 55, 55, 56, 56, 57, 57, 61, 61, |
|
65, 65, 95, 95, 98, 98, 100, 100, 102, 102, 103, 103, 104, 104, 108, |
|
108, 109, 109, 110, 110, 112, 112, 114, 114, 117, 117, 58, 66, 67, 68, |
|
69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, |
|
84, 85, 86, 87, 89, 106, 107, 113, 118, 119, 120, 121, 122, -1, -1, |
|
-1, -1, 38, 38, 38, 38, 38, 38, 38, 38, 42, 42, 42, 42, 42, |
|
42, 42, 42, 44, 44, 44, 44, 44, 44, 44, 44, 59, 59, 59, 59, |
|
59, 59, 59, 59, 88, 88, 88, 88, 88, 88, 88, 88, 90, 90, 90, |
|
90, 90, 90, 90, 90, 33, 33, 34, 34, 40, 40, 41, 41, 63, 63, |
|
39, 43, 124, -1, -1, -1, 35, 35, 35, 35, 35, 35, 35, 35, 62, |
|
62, 62, 62, 62, 62, 62, 62, 0, 0, 0, 0, 36, 36, 36, 36, |
|
64, 64, 64, 64, 91, 91, 91, 91, 69, 69, 69, 69, 69, 69, 69, |
|
69, 70, 70, 70, 70, 70, 70, 70, 70, 71, 71, 71, 71, 71, 71, |
|
71, 71, 72, 72, 72, 72, 72, 72, 72, 72, 73, 73, 73, 73, 73, |
|
73, 73, 73, 74, 74, 74, 74, 74, 74, 74, 74, 75, 75, 75, 75, |
|
75, 75, 75, 75, 76, 76, 76, 76, 76, 76, 76, 76, 77, 77, 77, |
|
77, 77, 77, 77, 77, 78, 78, 78, 78, 78, 78, 78, 78, 79, 79, |
|
79, 79, 79, 79, 79, 79, 80, 80, 80, 80, 80, 80, 80, 80, 81, |
|
81, 81, 81, 81, 81, 81, 81, 82, 82, 82, 82, 82, 82, 82, 82, |
|
83, 83, 83, 83, 83, 83, 83, 83, 84, 84, 84, 84, 84, 84, 84, |
|
84, 85, 85, 85, 85, 85, 85, 85, 85, 86, 86, 86, 86, 86, 86, |
|
86, 86, 87, 87, 87, 87, 87, 87, 87, 87, 89, 89, 89, 89, 89, |
|
89, 89, 89, 106, 106, 106, 106, 106, 106, 106, 106, 107, 107, 107, 107, |
|
107, 107, 107, 107, 113, 113, 113, 113, 113, 113, 113, 113, 118, 118, 118, |
|
118, 118, 118, 118, 118, 119, 119, 119, 119, 119, 119, 119, 119, 120, 120, |
|
120, 120, 120, 120, 120, 120, 121, 121, 121, 121, 121, 121, 121, 121, 122, |
|
122, 122, 122, 122, 122, 122, 122, 38, 38, 38, 38, 42, 42, 42, 42, |
|
44, 44, 44, 44, 59, 59, 59, 59, 88, 88, 88, 88, 90, 90, 90, |
|
90, 33, 34, 40, 41, 63, -1, -1, -1, 39, 39, 39, 39, 39, 39, |
|
39, 39, 43, 43, 43, 43, 43, 43, 43, 43, 124, 124, 124, 124, 124, |
|
124, 124, 124, 35, 35, 35, 35, 62, 62, 62, 62, 0, 0, 36, 36, |
|
64, 64, 91, 91, 93, 93, 126, 126, 94, 125, -1, -1, 60, 60, 60, |
|
60, 60, 60, 60, 60, 96, 96, 96, 96, 96, 96, 96, 96, 123, 123, |
|
123, 123, 123, 123, 123, 123, -1, -1, -1, -1, -1, -1, -1, -1, 92, |
|
92, 92, 92, 92, 92, 92, 92, 195, 195, 195, 195, 195, 195, 195, 195, |
|
208, 208, 208, 208, 208, 208, 208, 208, 128, 128, 128, 128, 130, 130, 130, |
|
130, 131, 131, 131, 131, 162, 162, 162, 162, 184, 184, 184, 184, 194, 194, |
|
194, 194, 224, 224, 224, 224, 226, 226, 226, 226, 153, 153, 161, 161, 167, |
|
167, 172, 172, 176, 176, 177, 177, 179, 179, 209, 209, 216, 216, 217, 217, |
|
227, 227, 229, 229, 230, 230, 129, 132, 133, 134, 136, 146, 154, 156, 160, |
|
163, 164, 169, 170, 173, 178, 181, 185, 186, 187, 189, 190, 196, 198, 228, |
|
232, 233, -1, -1, -1, -1, 1, 1, 1, 1, 1, 1, 1, 1, 135, |
|
135, 135, 135, 135, 135, 135, 135, 137, 137, 137, 137, 137, 137, 137, 137, |
|
138, 138, 138, 138, 138, 138, 138, 138, 139, 139, 139, 139, 139, 139, 139, |
|
139, 140, 140, 140, 140, 140, 140, 140, 140, 141, 141, 141, 141, 141, 141, |
|
141, 141, 143, 143, 143, 143, 143, 143, 143, 143, 147, 147, 147, 147, 147, |
|
147, 147, 147, 149, 149, 149, 149, 149, 149, 149, 149, 150, 150, 150, 150, |
|
150, 150, 150, 150, 151, 151, 151, 151, 151, 151, 151, 151, 152, 152, 152, |
|
152, 152, 152, 152, 152, 155, 155, 155, 155, 155, 155, 155, 155, 157, 157, |
|
157, 157, 157, 157, 157, 157, 158, 158, 158, 158, 158, 158, 158, 158, 165, |
|
165, 165, 165, 165, 165, 165, 165, 166, 166, 166, 166, 166, 166, 166, 166, |
|
168, 168, 168, 168, 168, 168, 168, 168, 174, 174, 174, 174, 174, 174, 174, |
|
174, 175, 175, 175, 175, 175, 175, 175, 175, 180, 180, 180, 180, 180, 180, |
|
180, 180, 182, 182, 182, 182, 182, 182, 182, 182, 183, 183, 183, 183, 183, |
|
183, 183, 183, 188, 188, 188, 188, 188, 188, 188, 188, 191, 191, 191, 191, |
|
191, 191, 191, 191, 197, 197, 197, 197, 197, 197, 197, 197, 231, 231, 231, |
|
231, 231, 231, 231, 231, 239, 239, 239, 239, 239, 239, 239, 239, 9, 9, |
|
9, 9, 142, 142, 142, 142, 144, 144, 144, 144, 145, 145, 145, 145, 148, |
|
148, 148, 148, 159, 159, 159, 159, 171, 171, 171, 171, 206, 206, 206, 206, |
|
215, 215, 215, 215, 225, 225, 225, 225, 236, 236, 236, 236, 237, 237, 237, |
|
237, 199, 199, 207, 207, 234, 234, 235, 235, 192, 193, 200, 201, 202, 205, |
|
210, 213, 218, 219, 238, 240, 242, 243, 255, -1, 203, 203, 203, 203, 203, |
|
203, 203, 203, 204, 204, 204, 204, 204, 204, 204, 204, 211, 211, 211, 211, |
|
211, 211, 211, 211, 212, 212, 212, 212, 212, 212, 212, 212, 214, 214, 214, |
|
214, 214, 214, 214, 214, 221, 221, 221, 221, 221, 221, 221, 221, 222, 222, |
|
222, 222, 222, 222, 222, 222, 223, 223, 223, 223, 223, 223, 223, 223, 241, |
|
241, 241, 241, 241, 241, 241, 241, 244, 244, 244, 244, 244, 244, 244, 244, |
|
245, 245, 245, 245, 245, 245, 245, 245, 246, 246, 246, 246, 246, 246, 246, |
|
246, 247, 247, 247, 247, 247, 247, 247, 247, 248, 248, 248, 248, 248, 248, |
|
248, 248, 250, 250, 250, 250, 250, 250, 250, 250, 251, 251, 251, 251, 251, |
|
251, 251, 251, 252, 252, 252, 252, 252, 252, 252, 252, 253, 253, 253, 253, |
|
253, 253, 253, 253, 254, 254, 254, 254, 254, 254, 254, 254, 2, 2, 2, |
|
2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, |
|
6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 11, 11, 11, 11, 12, |
|
12, 12, 12, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, |
|
17, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19, 19, 20, 20, 20, |
|
20, 21, 21, 21, 21, 23, 23, 23, 23, 24, 24, 24, 24, 25, 25, |
|
25, 25, 26, 26, 26, 26, 27, 27, 27, 27, 28, 28, 28, 28, 29, |
|
29, 29, 29, 30, 30, 30, 30, 31, 31, 31, 31, 127, 127, 127, 127, |
|
220, 220, 220, 220, 249, 249, 249, 249, 10, 13, 22, 256, 93, 93, 93, |
|
93, 126, 126, 126, 126, 94, 94, 125, 125, 60, 96, 123, -1, 92, 195, |
|
208, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 128, |
|
128, 128, 128, 128, 128, 128, 128, 130, 130, 130, 130, 130, 130, 130, 130, |
|
131, 131, 131, 131, 131, 131, 131, 131, 162, 162, 162, 162, 162, 162, 162, |
|
162, 184, 184, 184, 184, 184, 184, 184, 184, 194, 194, 194, 194, 194, 194, |
|
194, 194, 224, 224, 224, 224, 224, 224, 224, 224, 226, 226, 226, 226, 226, |
|
226, 226, 226, 153, 153, 153, 153, 161, 161, 161, 161, 167, 167, 167, 167, |
|
172, 172, 172, 172, 176, 176, 176, 176, 177, 177, 177, 177, 179, 179, 179, |
|
179, 209, 209, 209, 209, 216, 216, 216, 216, 217, 217, 217, 217, 227, 227, |
|
227, 227, 229, 229, 229, 229, 230, 230, 230, 230, 129, 129, 132, 132, 133, |
|
133, 134, 134, 136, 136, 146, 146, 154, 154, 156, 156, 160, 160, 163, 163, |
|
164, 164, 169, 169, 170, 170, 173, 173, 178, 178, 181, 181, 185, 185, 186, |
|
186, 187, 187, 189, 189, 190, 190, 196, 196, 198, 198, 228, 228, 232, 232, |
|
233, 233, 1, 135, 137, 138, 139, 140, 141, 143, 147, 149, 150, 151, 152, |
|
155, 157, 158, 165, 166, 168, 174, 175, 180, 182, 183, 188, 191, 197, 231, |
|
239, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 9, 9, 9, |
|
9, 9, 9, 9, 9, 142, 142, 142, 142, 142, 142, 142, 142, 144, 144, |
|
144, 144, 144, 144, 144, 144, 145, 145, 145, 145, 145, 145, 145, 145, 148, |
|
148, 148, 148, 148, 148, 148, 148, 159, 159, 159, 159, 159, 159, 159, 159, |
|
171, 171, 171, 171, 171, 171, 171, 171, 206, 206, 206, 206, 206, 206, 206, |
|
206, 215, 215, 215, 215, 215, 215, 215, 215, 225, 225, 225, 225, 225, 225, |
|
225, 225, 236, 236, 236, 236, 236, 236, 236, 236, 237, 237, 237, 237, 237, |
|
237, 237, 237, 199, 199, 199, 199, 207, 207, 207, 207, 234, 234, 234, 234, |
|
235, 235, 235, 235, 192, 192, 193, 193, 200, 200, 201, 201, 202, 202, 205, |
|
205, 210, 210, 213, 213, 218, 218, 219, 219, 238, 238, 240, 240, 242, 242, |
|
243, 243, 255, 255, 203, 204, 211, 212, 214, 221, 222, 223, 241, 244, 245, |
|
246, 247, 248, 250, 251, 252, 253, 254, -1, -1, -1, -1, -1, -1, -1, |
|
-1, -1, -1, -1, -1, -1, -1, -1, 2, 2, 2, 2, 2, 2, 2, |
|
2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, |
|
4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, |
|
6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, |
|
8, 8, 8, 8, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, |
|
12, 12, 12, 12, 12, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, |
|
15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 17, |
|
17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, |
|
19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, |
|
20, 21, 21, 21, 21, 21, 21, 21, 21, 23, 23, 23, 23, 23, 23, |
|
23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 25, 25, 25, 25, 25, |
|
25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, |
|
27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, |
|
29, 29, 29, 29, 29, 30, 30, 30, 30, 30, 30, 30, 30, 31, 31, |
|
31, 31, 31, 31, 31, 31, 127, 127, 127, 127, 127, 127, 127, 127, 220, |
|
220, 220, 220, 220, 220, 220, 220, 249, 249, 249, 249, 249, 249, 249, 249, |
|
10, 10, 13, 13, 22, 22, 256, 256, 67, 67, 67, 67, 67, 67, 67, |
|
67, 68, 68, 68, 68, 68, 68, 68, 68, 95, 95, 95, 95, 95, 95, |
|
95, 95, 98, 98, 98, 98, 98, 98, 98, 98, 100, 100, 100, 100, 100, |
|
100, 100, 100, 102, 102, 102, 102, 102, 102, 102, 102, 103, 103, 103, 103, |
|
103, 103, 103, 103, 104, 104, 104, 104, 104, 104, 104, 104, 108, 108, 108, |
|
108, 108, 108, 108, 108, 109, 109, 109, 109, 109, 109, 109, 109, 110, 110, |
|
110, 110, 110, 110, 110, 110, 112, 112, 112, 112, 112, 112, 112, 112, 114, |
|
114, 114, 114, 114, 114, 114, 114, 117, 117, 117, 117, 117, 117, 117, 117, |
|
58, 58, 58, 58, 66, 66, 66, 66, 67, 67, 67, 67, 68, 68, 68, |
|
68, 69, 69, 69, 69, 70, 70, 70, 70, 71, 71, 71, 71, 72, 72, |
|
72, 72, 73, 73, 73, 73, 74, 74, 74, 74, 75, 75, 75, 75, 76, |
|
76, 76, 76, 77, 77, 77, 77, 78, 78, 78, 78, 79, 79, 79, 79, |
|
80, 80, 80, 80, 81, 81, 81, 81, 82, 82, 82, 82, 83, 83, 83, |
|
83, 84, 84, 84, 84, 85, 85, 85, 85, 86, 86, 86, 86, 87, 87, |
|
87, 87, 89, 89, 89, 89, 106, 106, 106, 106, 107, 107, 107, 107, 113, |
|
113, 113, 113, 118, 118, 118, 118, 119, 119, 119, 119, 120, 120, 120, 120, |
|
121, 121, 121, 121, 122, 122, 122, 122, 38, 38, 42, 42, 44, 44, 59, |
|
59, 88, 88, 90, 90, -1, -1, -1, -1, 33, 33, 33, 33, 33, 33, |
|
33, 33, 34, 34, 34, 34, 34, 34, 34, 34, 40, 40, 40, 40, 40, |
|
40, 40, 40, 41, 41, 41, 41, 41, 41, 41, 41, 63, 63, 63, 63, |
|
63, 63, 63, 63, 39, 39, 39, 39, 43, 43, 43, 43, 124, 124, 124, |
|
124, 35, 35, 62, 62, 0, 36, 64, 91, 93, 126, -1, -1, 94, 94, |
|
94, 94, 94, 94, 94, 94, 125, 125, 125, 125, 125, 125, 125, 125, 60, |
|
60, 60, 60, 96, 96, 96, 96, 123, 123, 123, 123, -1, -1, -1, -1, |
|
92, 92, 92, 92, 195, 195, 195, 195, 208, 208, 208, 208, 128, 128, 130, |
|
130, 131, 131, 162, 162, 184, 184, 194, 194, 224, 224, 226, 226, 153, 161, |
|
167, 172, 176, 177, 179, 209, 216, 217, 227, 229, 230, -1, -1, -1, -1, |
|
-1, -1, -1, 129, 129, 129, 129, 129, 129, 129, 129, 132, 132, 132, 132, |
|
132, 132, 132, 132, 133, 133, 133, 133, 133, 133, 133, 133, 134, 134, 134, |
|
134, 134, 134, 134, 134, 136, 136, 136, 136, 136, 136, 136, 136, 146, 146, |
|
146, 146, 146, 146, 146, 146, 154, 154, 154, 154, 154, 154, 154, 154, 156, |
|
156, 156, 156, 156, 156, 156, 156, 160, 160, 160, 160, 160, 160, 160, 160, |
|
163, 163, 163, 163, 163, 163, 163, 163, 164, 164, 164, 164, 164, 164, 164, |
|
164, 169, 169, 169, 169, 169, 169, 169, 169, 170, 170, 170, 170, 170, 170, |
|
170, 170, 173, 173, 173, 173, 173, 173, 173, 173, 178, 178, 178, 178, 178, |
|
178, 178, 178, 181, 181, 181, 181, 181, 181, 181, 181, 185, 185, 185, 185, |
|
185, 185, 185, 185, 186, 186, 186, 186, 186, 186, 186, 186, 187, 187, 187, |
|
187, 187, 187, 187, 187, 189, 189, 189, 189, 189, 189, 189, 189, 190, 190, |
|
190, 190, 190, 190, 190, 190, 196, 196, 196, 196, 196, 196, 196, 196, 198, |
|
198, 198, 198, 198, 198, 198, 198, 228, 228, 228, 228, 228, 228, 228, 228, |
|
232, 232, 232, 232, 232, 232, 232, 232, 233, 233, 233, 233, 233, 233, 233, |
|
233, 1, 1, 1, 1, 135, 135, 135, 135, 137, 137, 137, 137, 138, 138, |
|
138, 138, 139, 139, 139, 139, 140, 140, 140, 140, 141, 141, 141, 141, 143, |
|
143, 143, 143, 147, 147, 147, 147, 149, 149, 149, 149, 150, 150, 150, 150, |
|
151, 151, 151, 151, 152, 152, 152, 152, 155, 155, 155, 155, 157, 157, 157, |
|
157, 158, 158, 158, 158, 165, 165, 165, 165, 166, 166, 166, 166, 168, 168, |
|
168, 168, 174, 174, 174, 174, 175, 175, 175, 175, 180, 180, 180, 180, 182, |
|
182, 182, 182, 183, 183, 183, 183, 188, 188, 188, 188, 191, 191, 191, 191, |
|
197, 197, 197, 197, 231, 231, 231, 231, 239, 239, 239, 239, 9, 9, 142, |
|
142, 144, 144, 145, 145, 148, 148, 159, 159, 171, 171, 206, 206, 215, 215, |
|
225, 225, 236, 236, 237, 237, 199, 207, 234, 235, 192, 192, 192, 192, 192, |
|
192, 192, 192, 193, 193, 193, 193, 193, 193, 193, 193, 200, 200, 200, 200, |
|
200, 200, 200, 200, 201, 201, 201, 201, 201, 201, 201, 201, 202, 202, 202, |
|
202, 202, 202, 202, 202, 205, 205, 205, 205, 205, 205, 205, 205, 210, 210, |
|
210, 210, 210, 210, 210, 210, 213, 213, 213, 213, 213, 213, 213, 213, 218, |
|
218, 218, 218, 218, 218, 218, 218, 219, 219, 219, 219, 219, 219, 219, 219, |
|
238, 238, 238, 238, 238, 238, 238, 238, 240, 240, 240, 240, 240, 240, 240, |
|
240, 242, 242, 242, 242, 242, 242, 242, 242, 243, 243, 243, 243, 243, 243, |
|
243, 243, 255, 255, 255, 255, 255, 255, 255, 255, 203, 203, 203, 203, 204, |
|
204, 204, 204, 211, 211, 211, 211, 212, 212, 212, 212, 214, 214, 214, 214, |
|
221, 221, 221, 221, 222, 222, 222, 222, 223, 223, 223, 223, 241, 241, 241, |
|
241, 244, 244, 244, 244, 245, 245, 245, 245, 246, 246, 246, 246, 247, 247, |
|
247, 247, 248, 248, 248, 248, 250, 250, 250, 250, 251, 251, 251, 251, 252, |
|
252, 252, 252, 253, 253, 253, 253, 254, 254, 254, 254, 2, 2, 3, 3, |
|
4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 11, 11, 12, 12, 14, |
|
14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, |
|
23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 30, |
|
30, 31, 31, 127, 127, 220, 220, 249, 249, -1, -1, 10, 10, 10, 10, |
|
10, 10, 10, 10, 13, 13, 13, 13, 13, 13, 13, 13, 22, 22, 22, |
|
22, 22, 22, 22, 22, 256, 256, 256, 256, 256, 256, 256, 256, 45, 45, |
|
45, 45, 45, 45, 45, 45, 46, 46, 46, 46, 46, 46, 46, 46, 47, |
|
47, 47, 47, 47, 47, 47, 47, 51, 51, 51, 51, 51, 51, 51, 51, |
|
52, 52, 52, 52, 52, 52, 52, 52, 53, 53, 53, 53, 53, 53, 53, |
|
53, 54, 54, 54, 54, 54, 54, 54, 54, 55, 55, 55, 55, 55, 55, |
|
55, 55, 56, 56, 56, 56, 56, 56, 56, 56, 57, 57, 57, 57, 57, |
|
57, 57, 57, 50, 50, 50, 50, 50, 50, 50, 50, 97, 97, 97, 97, |
|
97, 97, 97, 97, 99, 99, 99, 99, 99, 99, 99, 99, 101, 101, 101, |
|
101, 101, 101, 101, 101, 105, 105, 105, 105, 105, 105, 105, 105, 111, 111, |
|
111, 111, 111, 111, 111, 111, 115, 115, 115, 115, 115, 115, 115, 115, 116, |
|
116, 116, 116, 116, 116, 116, 116, 32, 32, 32, 32, 37, 37, 37, 37, |
|
45, 45, 45, 45, 46, 46, 46, 46, 47, 47, 47, 47, 51, 51, 51, |
|
51, 52, 52, 52, 52, 53, 53, 53, 53, 54, 54, 54, 54, 55, 55, |
|
55, 55, 56, 56, 56, 56, 57, 57, 57, 57, 61, 61, 61, 61, 65, |
|
65, 65, 65, 95, 95, 95, 95, 98, 98, 98, 98, 100, 100, 100, 100, |
|
102, 102, 102, 102, 103, 103, 103, 103, 104, 104, 104, 104, 108, 108, 108, |
|
108, 109, 109, 109, 109, 110, 110, 110, 110, 112, 112, 112, 112, 114, 114, |
|
114, 114, 117, 117, 117, 117, 58, 58, 66, 66, 67, 67, 68, 68, 69, |
|
69, 70, 70, 71, 71, 72, 72, 73, 73, 74, 74, 75, 75, 76, 76, |
|
77, 77, 78, 78, 79, 79, 80, 80, 81, 81, 82, 82, 83, 83, 84, |
|
84, 85, 85, 86, 86, 87, 87, 89, 89, 106, 106, 107, 107, 113, 113, |
|
118, 118, 119, 119, 120, 120, 121, 121, 122, 122, 38, 42, 44, 59, 88, |
|
90, -1, -1, 33, 33, 33, 33, 34, 34, 34, 34, 40, 40, 40, 40, |
|
41, 41, 41, 41, 63, 63, 63, 63, 39, 39, 43, 43, 124, 124, 35, |
|
62, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 36, 36, |
|
36, 36, 36, 36, 36, 36, 64, 64, 64, 64, 64, 64, 64, 64, 91, |
|
91, 91, 91, 91, 91, 91, 91, 93, 93, 93, 93, 93, 93, 93, 93, |
|
126, 126, 126, 126, 126, 126, 126, 126, 94, 94, 94, 94, 125, 125, 125, |
|
125, 60, 60, 96, 96, 123, 123, -1, -1, 92, 92, 195, 195, 208, 208, |
|
128, 130, 131, 162, 184, 194, 224, 226, -1, -1, 153, 153, 153, 153, 153, |
|
153, 153, 153, 161, 161, 161, 161, 161, 161, 161, 161, 167, 167, 167, 167, |
|
167, 167, 167, 167, 172, 172, 172, 172, 172, 172, 172, 172, 176, 176, 176, |
|
176, 176, 176, 176, 176, 177, 177, 177, 177, 177, 177, 177, 177, 179, 179, |
|
179, 179, 179, 179, 179, 179, 209, 209, 209, 209, 209, 209, 209, 209, 216, |
|
216, 216, 216, 216, 216, 216, 216, 217, 217, 217, 217, 217, 217, 217, 217, |
|
227, 227, 227, 227, 227, 227, 227, 227, 229, 229, 229, 229, 229, 229, 229, |
|
229, 230, 230, 230, 230, 230, 230, 230, 230, 129, 129, 129, 129, 132, 132, |
|
132, 132, 133, 133, 133, 133, 134, 134, 134, 134, 136, 136, 136, 136, 146, |
|
146, 146, 146, 154, 154, 154, 154, 156, 156, 156, 156, 160, 160, 160, 160, |
|
163, 163, 163, 163, 164, 164, 164, 164, 169, 169, 169, 169, 170, 170, 170, |
|
170, 173, 173, 173, 173, 178, 178, 178, 178, 181, 181, 181, 181, 185, 185, |
|
185, 185, 186, 186, 186, 186, 187, 187, 187, 187, 189, 189, 189, 189, 190, |
|
190, 190, 190, 196, 196, 196, 196, 198, 198, 198, 198, 228, 228, 228, 228, |
|
232, 232, 232, 232, 233, 233, 233, 233, 1, 1, 135, 135, 137, 137, 138, |
|
138, 139, 139, 140, 140, 141, 141, 143, 143, 147, 147, 149, 149, 150, 150, |
|
151, 151, 152, 152, 155, 155, 157, 157, 158, 158, 165, 165, 166, 166, 168, |
|
168, 174, 174, 175, 175, 180, 180, 182, 182, 183, 183, 188, 188, 191, 191, |
|
197, 197, 231, 231, 239, 239, 9, 142, 144, 145, 148, 159, 171, 206, 215, |
|
225, 236, 237, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 199, 199, |
|
199, 199, 199, 199, 199, 199, 207, 207, 207, 207, 207, 207, 207, 207, 234, |
|
234, 234, 234, 234, 234, 234, 234, 235, 235, 235, 235, 235, 235, 235, 235, |
|
192, 192, 192, 192, 193, 193, 193, 193, 200, 200, 200, 200, 201, 201, 201, |
|
201, 202, 202, 202, 202, 205, 205, 205, 205, 210, 210, 210, 210, 213, 213, |
|
213, 213, 218, 218, 218, 218, 219, 219, 219, 219, 238, 238, 238, 238, 240, |
|
240, 240, 240, 242, 242, 242, 242, 243, 243, 243, 243, 255, 255, 255, 255, |
|
203, 203, 204, 204, 211, 211, 212, 212, 214, 214, 221, 221, 222, 222, 223, |
|
223, 241, 241, 244, 244, 245, 245, 246, 246, 247, 247, 248, 248, 250, 250, |
|
251, 251, 252, 252, 253, 253, 254, 254, 2, 3, 4, 5, 6, 7, 8, |
|
11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, |
|
28, 29, 30, 31, 127, 220, 249, -1, 10, 10, 10, 10, 13, 13, 13, |
|
13, 22, 22, 22, 22, 256, 256, 256, 256, |
|
}; |
|
|
|
std::vector<uint8_t> output; |
|
int16_t decode_state; |
|
// Parse one half byte... we leverage some lookup tables to keep the logic |
|
// here really simple. |
|
auto nibble = [&output, &decode_state](uint8_t nibble) { |
|
int16_t emit = emit_sub_tbl[16 * emit_tbl[decode_state] + nibble]; |
|
int16_t next = next_sub_tbl[16 * next_tbl[decode_state] + nibble]; |
|
if (emit != -1) { |
|
if (emit >= 0 && emit < 256) { |
|
output.push_back(static_cast<uint8_t>(emit)); |
|
} else { |
|
assert(emit == 256); |
|
} |
|
} |
|
decode_state = next; |
|
}; |
|
for (auto _ : state) { |
|
output.clear(); |
|
decode_state = 0; |
|
for (auto c : *kInput) { |
|
nibble(c >> 4); |
|
nibble(c & 0xf); |
|
} |
|
} |
|
} |
|
BENCHMARK(BM_LegacyDecode); |
|
|
|
// Some distros have RunSpecifiedBenchmarks under the benchmark namespace, |
|
// and others do not. This allows us to support both modes. |
|
namespace benchmark { |
|
void RunTheBenchmarksNamespaced() { RunSpecifiedBenchmarks(); } |
|
} // namespace benchmark |
|
|
|
int main(int argc, char** argv) { |
|
grpc::testing::TestEnvironment env(&argc, argv); |
|
benchmark::Initialize(&argc, argv); |
|
benchmark::RunTheBenchmarksNamespaced(); |
|
return 0; |
|
}
|
|
|