devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fix row-skipping bug in general_matrix_vector_product::run_small_cols

Browse Source 
libeigen/eigen!2276
This commit is contained in:
Antonio Sánchez
2026-03-10 22:16:00 +00:00
committed by Rasmus Munk Larsen
parent 81550faea4
commit 4387e32481
2 changed files with 30 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
Eigen/src/Core/products/GeneralMatrixVector.h
View File

@@ -652,17 +652,20 @@ general_matrix_vector_product<Index, LhsScalar, LhsMapper, RowMajor, ConjugateLh
const Index n2 = rows - 1;
Index i = 0;
for (; i < n8; i += 8)
for (; i < n8; i += 8) {
process_rows_small_cols<8>(i, cols, lhs, rhs, res, resIncr, alpha, halfColBlockEnd, quarterColBlockEnd);
if (i < n4) {
}
// Process remaining groups of 4 rows in case n8 was 0.
for (; i < n4; i += 4) {
process_rows_small_cols<4>(i, cols, lhs, rhs, res, resIncr, alpha, halfColBlockEnd, quarterColBlockEnd);
i += 4;
}
if (i < n2) {
process_rows_small_cols<2>(i, cols, lhs, rhs, res, resIncr, alpha, halfColBlockEnd, quarterColBlockEnd);
i += 2;
}
if (i < rows) process_rows_small_cols<1>(i, cols, lhs, rhs, res, resIncr, alpha, halfColBlockEnd, quarterColBlockEnd);
if (i < rows) {
process_rows_small_cols<1>(i, cols, lhs, rhs, res, resIncr, alpha, halfColBlockEnd, quarterColBlockEnd);
}
}
} // end namespace internal