|
| 1 | +#[cfg(test)] |
| 2 | +mod tests { |
| 3 | + use anyhow::Result; |
| 4 | + use log::{log_enabled, Level, LevelFilter}; |
| 5 | + use plonky2::field::types::Field; |
| 6 | + use plonky2::iop::target::Target; |
| 7 | + use plonky2::iop::witness::PartialWitness; |
| 8 | + use plonky2::plonk::circuit_builder::CircuitBuilder; |
| 9 | + use plonky2::plonk::circuit_data::CircuitConfig; |
| 10 | + use plonky2::plonk::config::{GenericConfig, PoseidonGoldilocksConfig}; |
| 11 | + use std::env; |
| 12 | + use std::io::Write; |
| 13 | + use std::time::Instant; |
| 14 | + |
| 15 | + #[test] |
| 16 | + fn compare_quin_random_access() -> Result<()> { |
| 17 | + use crate::rlp::quin_selector; |
| 18 | + use rand::Rng; |
| 19 | + |
| 20 | + // if this is `k` then the array will have 2^k elements |
| 21 | + let array_bits_of_length_max: usize = 6; |
| 22 | + |
| 23 | + let comparison = |k: usize| { |
| 24 | + // common to both circuits |
| 25 | + const D: usize = 2; |
| 26 | + type C = PoseidonGoldilocksConfig; |
| 27 | + type F = <C as GenericConfig<D>>::F; |
| 28 | + |
| 29 | + // both versions of the circuit need to capture this information |
| 30 | + let bits_of_length: usize = k; |
| 31 | + let byte_arr: Vec<u8> = (0..1 << bits_of_length) |
| 32 | + .map(|_i| rand::thread_rng().gen()) |
| 33 | + .collect(); |
| 34 | + println!("\nArray length: {}", byte_arr.len()); |
| 35 | + let rand_index: usize = rand::thread_rng().gen_range(0..1 << bits_of_length); |
| 36 | + |
| 37 | + let config = CircuitConfig::standard_recursion_config(); |
| 38 | + |
| 39 | + let quin_version = |builder: &mut CircuitBuilder<F, D>| { |
| 40 | + let arr_target: Vec<Target> = byte_arr |
| 41 | + .iter() |
| 42 | + .map(|x| builder.constant(F::from_canonical_u8(*x))) |
| 43 | + .collect(); |
| 44 | + let n: Target = builder.constant(F::from_canonical_usize(rand_index)); |
| 45 | + let element = arr_target[rand_index]; |
| 46 | + |
| 47 | + let ret_element = quin_selector(builder, &arr_target, n); |
| 48 | + |
| 49 | + builder.connect(element, ret_element); |
| 50 | + builder.register_public_input(ret_element); |
| 51 | + builder.register_public_inputs(&arr_target); |
| 52 | + }; |
| 53 | + |
| 54 | + let random_access_version = |builder: &mut CircuitBuilder<F, D>| { |
| 55 | + let arr_target: Vec<Target> = byte_arr |
| 56 | + .iter() |
| 57 | + .map(|x| builder.constant(F::from_canonical_u8(*x))) |
| 58 | + .collect(); |
| 59 | + let n: Target = builder.constant(F::from_canonical_usize(rand_index)); |
| 60 | + let element = arr_target[rand_index]; |
| 61 | + |
| 62 | + let ret_element = builder.random_access(n, arr_target.clone()); |
| 63 | + |
| 64 | + builder.connect(element, ret_element); |
| 65 | + builder.register_public_input(ret_element); |
| 66 | + builder.register_public_inputs(&arr_target); |
| 67 | + }; |
| 68 | + |
| 69 | + // in this case there is nothing to do to the circuit |
| 70 | + // after each version so we pass the identity function |
| 71 | + compare::<C, D>( |
| 72 | + config, |
| 73 | + (quin_version, "QUIN VERSION"), |
| 74 | + (random_access_version, "RANDOM ACCESS VERSION"), |
| 75 | + |_| {}, // identity function |
| 76 | + ) |
| 77 | + }; |
| 78 | + |
| 79 | + (0..(array_bits_of_length_max + 1)) |
| 80 | + .map(comparison) |
| 81 | + .fold(Ok(()), |r, state| state.and(r)) |
| 82 | + } |
| 83 | + |
| 84 | + /// Sets RUST_LOG=debug and initializes the logger |
| 85 | + /// if it hasn't been enabled already. |
| 86 | + fn init_logging() { |
| 87 | + if !log_enabled!(Level::Debug) { |
| 88 | + env::set_var("RUST_LOG", "debug"); |
| 89 | + env_logger::builder() |
| 90 | + .format(|buf, record| writeln!(buf, " {}", record.args())) |
| 91 | + .init(); |
| 92 | + log::set_max_level(LevelFilter::Debug); |
| 93 | + } |
| 94 | + } |
| 95 | + |
| 96 | + /// Compares the gate counts, LDE size, build time, proving time, and verification time |
| 97 | + /// of two circuits. Accepts two closures `v1` and `v2` which are the only places where |
| 98 | + /// the two circuits are allowed to add different gates to the circuit. The `after` closure |
| 99 | + /// can be used to add identical gates after the differences. |
| 100 | + fn compare<C, const D: usize>( |
| 101 | + config: CircuitConfig, |
| 102 | + (v1, v1_name): (impl Fn(&mut CircuitBuilder<C::F, D>), &str), |
| 103 | + (v2, v2_name): (impl Fn(&mut CircuitBuilder<C::F, D>), &str), |
| 104 | + after: impl Fn(&mut CircuitBuilder<C::F, D>), |
| 105 | + ) -> Result<()> |
| 106 | + where |
| 107 | + C: GenericConfig<D>, |
| 108 | + { |
| 109 | + // turn on logging and force DEBUG level logs |
| 110 | + // to be printed to the screen |
| 111 | + init_logging(); |
| 112 | + |
| 113 | + let end = |builder: CircuitBuilder<C::F, D>| { |
| 114 | + // print gate information from the DEBUG log level |
| 115 | + builder.print_gate_counts(0); |
| 116 | + |
| 117 | + // time the build process |
| 118 | + print!(" Building...."); |
| 119 | + let now = Instant::now(); |
| 120 | + let data = builder.build::<C>(); |
| 121 | + println!("{:.2?}", now.elapsed()); |
| 122 | + |
| 123 | + // time the proving process |
| 124 | + print!(" Proving....."); |
| 125 | + let pw = PartialWitness::new(); |
| 126 | + let now = Instant::now(); |
| 127 | + let proof = data.prove(pw)?; |
| 128 | + println!("{:.2?}", now.elapsed()); |
| 129 | + |
| 130 | + // time the verification process |
| 131 | + print!(" Verifying..."); |
| 132 | + let now = Instant::now(); |
| 133 | + let res = data.verify(proof); |
| 134 | + println!("{:.2?}", now.elapsed()); |
| 135 | + |
| 136 | + println!(" LDE size: {}", data.common.lde_size()); |
| 137 | + |
| 138 | + res |
| 139 | + }; |
| 140 | + |
| 141 | + let mut builder1 = CircuitBuilder::<C::F, D>::new(config.clone()); |
| 142 | + println!("\n{}", v1_name); |
| 143 | + v1(&mut builder1); |
| 144 | + after(&mut builder1); |
| 145 | + let verified1 = end(builder1); |
| 146 | + |
| 147 | + let mut builder2 = CircuitBuilder::<C::F, D>::new(config); |
| 148 | + println!("\n{}", v2_name); |
| 149 | + v2(&mut builder2); |
| 150 | + after(&mut builder2); |
| 151 | + let verified2 = end(builder2); |
| 152 | + |
| 153 | + assert!(verified1.is_ok()); |
| 154 | + assert!(verified2.is_ok()); |
| 155 | + verified1.and(verified2) |
| 156 | + } |
| 157 | +} |
| 158 | + |
| 159 | +/* |
| 160 | +
|
| 161 | +Bench results with array lengths from 2^0 to 2^6 |
| 162 | +
|
| 163 | +`random_access` fails for arrays longer than 2^6 |
| 164 | +because it packs a random access gate into a single row |
| 165 | +which has 64 wires in the standard configuration |
| 166 | +
|
| 167 | +running 1 test |
| 168 | +
|
| 169 | +Array length: 1 |
| 170 | +
|
| 171 | +QUIN VERSION |
| 172 | + 2 gates to root |
| 173 | + Total gate counts: |
| 174 | + - 2 instances of ArithmeticGate { num_ops: 20 } |
| 175 | + Degree before blinding & padding: 6 |
| 176 | + Degree after blinding & padding: 8 |
| 177 | + Building circuit took 0.043633606s |
| 178 | + Building....43.70ms |
| 179 | + Proving.....2.02s |
| 180 | + Verifying...93.23ms |
| 181 | + LDE size: 64 |
| 182 | +
|
| 183 | +RANDOM ACCESS VERSION |
| 184 | + 0 gates to root |
| 185 | + Total gate counts: |
| 186 | + Degree before blinding & padding: 3 |
| 187 | + Degree after blinding & padding: 4 |
| 188 | + Building circuit took 0.0190342s |
| 189 | + Building....19.13ms |
| 190 | + Proving.....786.01ms |
| 191 | + Verifying...93.12ms |
| 192 | + LDE size: 32 |
| 193 | +
|
| 194 | +Array length: 2 |
| 195 | +
|
| 196 | +QUIN VERSION |
| 197 | + 3 gates to root |
| 198 | + Total gate counts: |
| 199 | + - 3 instances of ArithmeticGate { num_ops: 20 } |
| 200 | + Degree before blinding & padding: 7 |
| 201 | + Degree after blinding & padding: 8 |
| 202 | + Building circuit took 0.06195052s |
| 203 | + Building....62.48ms |
| 204 | + Proving.....607.86ms |
| 205 | + Verifying...110.70ms |
| 206 | + LDE size: 64 |
| 207 | +
|
| 208 | +RANDOM ACCESS VERSION |
| 209 | + 1 gates to root |
| 210 | + Total gate counts: |
| 211 | + - 1 instances of RandomAccessGate { bits: 1, num_copies: 20, num_extra_constants: 0, _phantom: PhantomData<plonky2_field::goldilocks_field::GoldilocksField> }<D=2> |
| 212 | + Degree before blinding & padding: 5 |
| 213 | + Degree after blinding & padding: 8 |
| 214 | + Building circuit took 0.02839202s |
| 215 | + Building....28.44ms |
| 216 | + Proving.....1.91s |
| 217 | + Verifying...96.69ms |
| 218 | + LDE size: 64 |
| 219 | +
|
| 220 | +Array length: 4 |
| 221 | +
|
| 222 | +QUIN VERSION |
| 223 | + 3 gates to root |
| 224 | + Total gate counts: |
| 225 | + - 3 instances of ArithmeticGate { num_ops: 20 } |
| 226 | + Degree before blinding & padding: 10 |
| 227 | + Degree after blinding & padding: 16 |
| 228 | + Building circuit took 0.06623432s |
| 229 | + Building....66.30ms |
| 230 | + Proving.....520.85ms |
| 231 | + Verifying...103.93ms |
| 232 | + LDE size: 128 |
| 233 | +
|
| 234 | +RANDOM ACCESS VERSION |
| 235 | + 1 gates to root |
| 236 | + Total gate counts: |
| 237 | + - 1 instances of RandomAccessGate { bits: 2, num_copies: 13, num_extra_constants: 2, _phantom: PhantomData<plonky2_field::goldilocks_field::GoldilocksField> }<D=2> |
| 238 | + Degree before blinding & padding: 5 |
| 239 | + Degree after blinding & padding: 8 |
| 240 | + Building circuit took 0.04746539s |
| 241 | + Building....47.53ms |
| 242 | + Proving.....848.61ms |
| 243 | + Verifying...92.31ms |
| 244 | + LDE size: 64 |
| 245 | +
|
| 246 | +Array length: 8 |
| 247 | +
|
| 248 | +QUIN VERSION |
| 249 | + 3 gates to root |
| 250 | + Total gate counts: |
| 251 | + - 3 instances of ArithmeticGate { num_ops: 20 } |
| 252 | + Degree before blinding & padding: 16 |
| 253 | + Degree after blinding & padding: 16 |
| 254 | + Building circuit took 0.07234759s |
| 255 | + Building....72.44ms |
| 256 | + Proving.....572.17ms |
| 257 | + Verifying...94.25ms |
| 258 | + LDE size: 128 |
| 259 | +
|
| 260 | +RANDOM ACCESS VERSION |
| 261 | + 1 gates to root |
| 262 | + Total gate counts: |
| 263 | + - 1 instances of RandomAccessGate { bits: 3, num_copies: 8, num_extra_constants: 0, _phantom: PhantomData<plonky2_field::goldilocks_field::GoldilocksField> }<D=2> |
| 264 | + Degree before blinding & padding: 9 |
| 265 | + Degree after blinding & padding: 16 |
| 266 | + Building circuit took 0.076199085s |
| 267 | + Building....76.26ms |
| 268 | + Proving.....664.78ms |
| 269 | + Verifying...95.64ms |
| 270 | + LDE size: 128 |
| 271 | +
|
| 272 | +Array length: 16 |
| 273 | +
|
| 274 | +QUIN VERSION |
| 275 | + 6 gates to root |
| 276 | + Total gate counts: |
| 277 | + - 6 instances of ArithmeticGate { num_ops: 20 } |
| 278 | + Degree before blinding & padding: 26 |
| 279 | + Degree after blinding & padding: 32 |
| 280 | + Building circuit took 0.1314385s |
| 281 | + Building....131.55ms |
| 282 | + Proving.....1.55s |
| 283 | + Verifying...104.35ms |
| 284 | + LDE size: 256 |
| 285 | +
|
| 286 | +RANDOM ACCESS VERSION |
| 287 | + 1 gates to root |
| 288 | + Total gate counts: |
| 289 | + - 1 instances of RandomAccessGate { bits: 4, num_copies: 4, num_extra_constants: 2, _phantom: PhantomData<plonky2_field::goldilocks_field::GoldilocksField> }<D=2> |
| 290 | + Degree before blinding & padding: 13 |
| 291 | + Degree after blinding & padding: 16 |
| 292 | + Building circuit took 0.07145585s |
| 293 | + Building....71.51ms |
| 294 | + Proving.....516.23ms |
| 295 | + Verifying...104.20ms |
| 296 | + LDE size: 128 |
| 297 | +
|
| 298 | +Array length: 32 |
| 299 | +
|
| 300 | +QUIN VERSION |
| 301 | + 11 gates to root |
| 302 | + Total gate counts: |
| 303 | + - 11 instances of ArithmeticGate { num_ops: 20 } |
| 304 | + Degree before blinding & padding: 57 |
| 305 | + Degree after blinding & padding: 64 |
| 306 | + Building circuit took 0.21333219s |
| 307 | + Building....213.50ms |
| 308 | + Proving.....4.38s |
| 309 | + Verifying...120.49ms |
| 310 | + LDE size: 512 |
| 311 | +
|
| 312 | +RANDOM ACCESS VERSION |
| 313 | + 1 gates to root |
| 314 | + Total gate counts: |
| 315 | + - 1 instances of RandomAccessGate { bits: 5, num_copies: 2, num_extra_constants: 2, _phantom: PhantomData<plonky2_field::goldilocks_field::GoldilocksField> }<D=2> |
| 316 | + Degree before blinding & padding: 23 |
| 317 | + Degree after blinding & padding: 32 |
| 318 | + Building circuit took 0.1523578s |
| 319 | + Building....152.82ms |
| 320 | + Proving.....604.20ms |
| 321 | + Verifying...125.65ms |
| 322 | + LDE size: 256 |
| 323 | +
|
| 324 | +Array length: 64 |
| 325 | +
|
| 326 | +QUIN VERSION |
| 327 | + 21 gates to root |
| 328 | + Total gate counts: |
| 329 | + - 21 instances of ArithmeticGate { num_ops: 20 } |
| 330 | + Degree before blinding & padding: 107 |
| 331 | + Degree after blinding & padding: 128 |
| 332 | + Building circuit took 0.3929123s |
| 333 | + Building....393.29ms |
| 334 | + Proving.....1.54s |
| 335 | + Verifying...130.57ms |
| 336 | + LDE size: 1024 |
| 337 | +
|
| 338 | +RANDOM ACCESS VERSION |
| 339 | + 1 gates to root |
| 340 | + Total gate counts: |
| 341 | + - 1 instances of RandomAccessGate { bits: 6, num_copies: 1, num_extra_constants: 2, _phantom: PhantomData<plonky2_field::goldilocks_field::GoldilocksField> }<D=2> |
| 342 | + Degree before blinding & padding: 39 |
| 343 | + Degree after blinding & padding: 64 |
| 344 | + Building circuit took 0.21680678s |
| 345 | + Building....216.89ms |
| 346 | + Proving.....1.62s |
| 347 | + Verifying...138.10ms |
| 348 | + LDE size: 512 |
| 349 | +test benches::circuit::tests::compare_quin_random_access ... ok |
| 350 | +
|
| 351 | +test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 18 filtered out; finished in 21.25s |
| 352 | +
|
| 353 | +*/ |
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