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Skip elimination in V section of A during first phase

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This is safe due to Errata 11, and speeds up performance by a couple
percent
This commit is contained in:
Christopher Berner 2021-01-16 20:10:21 -08:00
parent 905f78cfd0
commit 6546b714ad
1 changed files with 4 additions and 0 deletions
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4
src/pi_solver.rs
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@ -704,7 +704,11 @@ impl<T: BinaryMatrix> IntermediateSymbolDecoder<T> {
let row = row as usize;
assert_eq!(&temp_value, &Octet::one());
// Addition is equivalent to subtraction.
#[cfg(debug_assertions)]
self.fma_rows(temp, row, Octet::one(), 0);
// Only apply to U section of matrix due to Errata 11
#[cfg(not(debug_assertions))]
self.fma_rows(temp, row, Octet::one(), self.A.width() - (self.u + (r - 1)));
row_ops.push(RowOp::AddAssign {
src: temp,
dest: row,