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| 1 | +use criterion::{black_box, criterion_group, criterion_main, Criterion}; |
| 2 | +use examples_uk_co_real_logic_sbe_benchmarks::*; |
| 3 | + |
| 4 | +const MANUFACTURER: &[u8] = b"MANUFACTURER"; |
| 5 | +const MODEL: &[u8] = b"MODEL"; |
| 6 | + |
| 7 | +struct State { |
| 8 | + buffer: Vec<u8>, |
| 9 | +} |
| 10 | + |
| 11 | +pub fn car_encode_benchmark(c: &mut Criterion) { |
| 12 | + let mut state = State { |
| 13 | + buffer: vec![0u8; 1024], |
| 14 | + }; |
| 15 | + |
| 16 | + c.bench_function("encode car", |b| { |
| 17 | + b.iter(|| { |
| 18 | + let _length = encode(black_box(&mut state)).unwrap(); |
| 19 | + }) |
| 20 | + }); |
| 21 | +} |
| 22 | + |
| 23 | +fn encode(state: &mut State) -> SbeResult<usize> { |
| 24 | + let buffer = state.buffer.as_mut_slice(); |
| 25 | + let mut car = CarEncoder::default(); |
| 26 | + let mut fuel_figures = FuelFiguresEncoder::default(); |
| 27 | + let mut performance_figures = PerformanceFiguresEncoder::default(); |
| 28 | + let mut acceleration = AccelerationEncoder::default(); |
| 29 | + let mut extras = OptionalExtras::default(); |
| 30 | + |
| 31 | + car = car.wrap(WriteBuf::new(buffer), message_header::ENCODED_LENGTH); |
| 32 | + car = car.header(0).parent()?; |
| 33 | + |
| 34 | + car.code(Model::A); |
| 35 | + car.model_year(2005); |
| 36 | + car.serial_number(12345); |
| 37 | + car.available(BooleanType::T); |
| 38 | + car.vehicle_code([97, 98, 99, 100, 101, 102]); // abcdef |
| 39 | + car.some_numbers([0, 1, 2, 3, 4]); |
| 40 | + |
| 41 | + extras.set_sports_pack(true); |
| 42 | + extras.set_sun_roof(true); |
| 43 | + car.extras(extras); |
| 44 | + |
| 45 | + let mut engine = car.engine_encoder(); |
| 46 | + engine.capacity(4200); |
| 47 | + engine.num_cylinders(8); |
| 48 | + engine.manufacturer_code([97, 98, 99]); // abc |
| 49 | + |
| 50 | + car = engine.parent()?; |
| 51 | + fuel_figures = car.fuel_figures_encoder(3, fuel_figures); |
| 52 | + fuel_figures.advance()?; |
| 53 | + fuel_figures.speed(30); |
| 54 | + fuel_figures.mpg(35.9); |
| 55 | + |
| 56 | + fuel_figures.advance()?; |
| 57 | + fuel_figures.speed(55); |
| 58 | + fuel_figures.mpg(49.0); |
| 59 | + |
| 60 | + fuel_figures.advance()?; |
| 61 | + fuel_figures.speed(75); |
| 62 | + fuel_figures.mpg(40.0); |
| 63 | + |
| 64 | + car = fuel_figures.parent()?; |
| 65 | + performance_figures = car.performance_figures_encoder(2, performance_figures); |
| 66 | + performance_figures.advance()?; |
| 67 | + performance_figures.octane_rating(95); |
| 68 | + |
| 69 | + acceleration = performance_figures.acceleration_encoder(3, acceleration); |
| 70 | + acceleration.advance()?; |
| 71 | + acceleration.mph(30); |
| 72 | + acceleration.seconds(4.0); |
| 73 | + |
| 74 | + acceleration.advance()?; |
| 75 | + acceleration.mph(60); |
| 76 | + acceleration.seconds(7.5); |
| 77 | + |
| 78 | + acceleration.advance()?; |
| 79 | + acceleration.mph(100); |
| 80 | + acceleration.seconds(12.2); |
| 81 | + |
| 82 | + performance_figures = acceleration.parent()?; |
| 83 | + performance_figures.advance()?; |
| 84 | + performance_figures.octane_rating(99); |
| 85 | + |
| 86 | + acceleration = performance_figures.acceleration_encoder(3, acceleration); |
| 87 | + acceleration.advance()?; |
| 88 | + acceleration.mph(30); |
| 89 | + acceleration.seconds(3.8); |
| 90 | + |
| 91 | + acceleration.advance()?; |
| 92 | + acceleration.mph(60); |
| 93 | + acceleration.seconds(7.1); |
| 94 | + |
| 95 | + acceleration.advance()?; |
| 96 | + acceleration.mph(100); |
| 97 | + acceleration.seconds(11.8); |
| 98 | + |
| 99 | + performance_figures = acceleration.parent()?; |
| 100 | + car = performance_figures.parent()?; |
| 101 | + |
| 102 | + car.manufacturer(MANUFACTURER); |
| 103 | + car.model(MODEL); |
| 104 | + |
| 105 | + Ok(car.encoded_length()) |
| 106 | +} |
| 107 | + |
| 108 | +pub fn car_decode_benchmark(c: &mut Criterion) { |
| 109 | + let mut state = State { |
| 110 | + buffer: vec![0u8; 1024], |
| 111 | + }; |
| 112 | + let encoded_len = encode(&mut state).unwrap(); |
| 113 | + |
| 114 | + c.bench_function("decode car", |b| { |
| 115 | + b.iter(|| { |
| 116 | + let decoded_len = decode(black_box(&state)).unwrap(); |
| 117 | + assert_eq!(encoded_len, decoded_len); |
| 118 | + }) |
| 119 | + }); |
| 120 | +} |
| 121 | + |
| 122 | +fn decode(state: &State) -> SbeResult<usize> { |
| 123 | + let mut car = CarDecoder::default(); |
| 124 | + |
| 125 | + let buf = ReadBuf::new(state.buffer.as_slice()); |
| 126 | + let header = MessageHeaderDecoder::default().wrap(buf, 0); |
| 127 | + car = car.header(header); |
| 128 | + |
| 129 | + // Car... |
| 130 | + car.serial_number(); |
| 131 | + car.model_year(); |
| 132 | + car.available(); |
| 133 | + car.code(); |
| 134 | + |
| 135 | + let len = car.some_numbers().len(); |
| 136 | + for i in 0..len { |
| 137 | + let _ = car.some_numbers()[i]; |
| 138 | + } |
| 139 | + |
| 140 | + let len = car.vehicle_code().len(); |
| 141 | + for i in 0..len { |
| 142 | + let _ = car.vehicle_code()[i]; |
| 143 | + } |
| 144 | + |
| 145 | + let extras = car.extras(); |
| 146 | + extras.get_cruise_control(); |
| 147 | + extras.get_sports_pack(); |
| 148 | + extras.get_sun_roof(); |
| 149 | + |
| 150 | + let mut engine = car.engine_decoder(); |
| 151 | + engine.capacity(); |
| 152 | + engine.num_cylinders(); |
| 153 | + engine.max_rpm(); |
| 154 | + engine.manufacturer_code(); |
| 155 | + engine.fuel(); |
| 156 | + |
| 157 | + car = engine.parent()?; |
| 158 | + let mut fuel_figures = car.fuel_figures_decoder(); |
| 159 | + |
| 160 | + while let Ok(Some(_)) = fuel_figures.advance() { |
| 161 | + fuel_figures.speed(); |
| 162 | + fuel_figures.mpg(); |
| 163 | + } |
| 164 | + |
| 165 | + car = fuel_figures.parent()?; |
| 166 | + let mut performance_figures = car.performance_figures_decoder(); |
| 167 | + |
| 168 | + while let Ok(Some(_)) = performance_figures.advance() { |
| 169 | + performance_figures.octane_rating(); |
| 170 | + let mut acceleration = performance_figures.acceleration_decoder(); |
| 171 | + while let Ok(Some(_)) = acceleration.advance() { |
| 172 | + acceleration.mph(); |
| 173 | + acceleration.seconds(); |
| 174 | + } |
| 175 | + performance_figures = acceleration.parent()?; |
| 176 | + } |
| 177 | + |
| 178 | + car = performance_figures.parent()?; |
| 179 | + let coord = car.manufacturer_decoder(); |
| 180 | + car.manufacturer_slice(coord); |
| 181 | + let coord = car.model_decoder(); |
| 182 | + car.model_slice(coord); |
| 183 | + |
| 184 | + Ok(car.encoded_length()) |
| 185 | +} |
| 186 | + |
| 187 | +criterion_group!(benches, car_encode_benchmark, car_decode_benchmark); |
| 188 | +criterion_main!(benches); |
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