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bench: add board place benchmark

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This commit is contained in:
Simon Gardling
2025-02-28 20:53:36 -05:00
parent 47050a6871
commit 97d914238c
5 changed files with 37 additions and 3 deletions
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3
src/repr/board.rs
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@@ -162,8 +162,9 @@ impl Board {
}
/// Place a piece without checking for propegation of validity
/// only pub for setting up benchmark
#[const_fn(cfg(not(feature = "bitvec")))]
const fn place_unchecked(&mut self, coord: CoordPair, piece: Piece) {
pub const fn place_unchecked(&mut self, coord: CoordPair, piece: Piece) {
self.board_mut(piece).set(coord, true);
self.board_mut(piece.flip()).set(coord, false);
}

2
src/repr/chains.rs
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@@ -84,7 +84,7 @@ pub fn gen_adj_lookup() -> PosMap<ChainCollection> {
.map(Iterator::collect),
)
.chain(diag_raw(i_chain, j_chain).map(Iterator::collect))
.filter(|x: &Vec<(u8, u8)>| !x.is_empty()) // PERF! filter out empty chains +~10-12% perf boost
.filter(|x: &Vec<(u8, u8)>| !x.is_empty()) // PERF! filter out empty chains +~5% perf boost (in [`Board::place`])
.map(|x: Vec<(u8, u8)>| x.into_iter().map(|x| x.into()).collect()),
);