implement fixed shift fancy magic bitboards

Author: brunocodutra

Cargo.lock

@@ -15,7 +15,6 @@ unexpected_cfgs = { level = "warn", check-cfg = ['cfg(coverage)'] }
 [dependencies]
 arrayvec = { version = "0.7.3", default-features = false, features = ["std"] }
 byteorder = { version = "1.5.0", default-features = false, features = ["std"] }
-cozy-chess = { version = "0.3.3", default-features = false, features = ["std"] }
 ctor = { version = "0.2.8", default-features = false }
 derive_more = { version = "1.0.0-beta.6", default-features = false, features = [
     "add",
@@ -32,6 +31,8 @@ derive_more = { version = "1.0.0-beta.6", default-features = false, features = [
     "mul_assign",
     "not",
 ] }
+rand = { version = "0.8.5", default-features = false, features = ["std", "min_const_gen"] }
+rand_pcg = { version = "0.3.1", default-features = false }
 rayon = { version = "1.10.0", default-features = false }
 ruzstd = { version = "0.7.0", default-features = false, features = ["std"] }
 

Cargo.toml

@@ -1,10 +1,10 @@
 use criterion::{criterion_group, criterion_main, Criterion, SamplingMode, Throughput};
 use lib::search::{Depth, Engine, Limits, Options, ThreadCount};
-use lib::{chess::Position, util::Integer};
+use lib::{nnue::Evaluator, util::Integer};
 use std::thread::available_parallelism;
 use std::time::{Duration, Instant};
 
-fn bencher(reps: u64, positions: &[Position], options: Options, limits: Limits) -> Duration {
+fn bencher(reps: u64, positions: &[Evaluator], options: Options, limits: Limits) -> Duration {
     let mut time = Duration::ZERO;
 
     for pos in positions {
@@ -20,7 +20,7 @@ fn bencher(reps: u64, positions: &[Position], options: Options, limits: Limits)
 }
 
 fn bench(c: &mut Criterion) {
-    let positions: Vec<Position> = FENS.iter().map(|p| p.parse().unwrap()).collect();
+    let positions: Vec<Evaluator> = FENS.iter().map(|p| p.parse().unwrap()).collect();
     let options = match available_parallelism() {
         Err(_) => Options::default(),
         Ok(cores) => match cores.get() / 2 {

benches/search.rs

@@ -1,6 +1,9 @@
 mod bitboard;
+mod board;
+mod castles;
 mod color;
 mod file;
+mod magic;
 mod mirror;
 mod r#move;
 mod outcome;
@@ -10,10 +13,14 @@ mod position;
 mod rank;
 mod role;
 mod square;
+mod zobrist;
 
 pub use bitboard::*;
+pub use board::*;
+pub use castles::*;
 pub use color::*;
 pub use file::*;
+pub use magic::*;
 pub use mirror::*;
 pub use outcome::*;
 pub use perspective::*;
@@ -23,3 +30,4 @@ pub use r#move::*;
 pub use rank::*;
 pub use role::*;
 pub use square::*;
+pub use zobrist::*;