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Replace sgemm() panics with Result-based error handling #997

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Replace sgemm() panics with Result-based error handling #997

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1850ca2
diskann_linalg::sgemm() should not panic
Apr 29, 2026
0193045
Added tests
Apr 29, 2026
f7c6694
Adding tests
Apr 29, 2026
e492436
Fixed tests
Apr 29, 2026
aec04df
Unify InvalidMatrixDimensions
Apr 29, 2026
f4f8291
Reduce size of SgemmError
May 1, 2026
761675c
error(transparent)
May 1, 2026
bf2211b
Remove old log-style error constructors
May 1, 2026
37d4543
Merge branch 'main' into u/arrayka/sgemm_panic
arrayka May 1, 2026
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11 changes: 7 additions & 4 deletions diskann-disk/src/utils/math_util.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@

use std::{cmp::Ordering, collections::BinaryHeap};

use diskann::{ANNError, ANNResult};
use diskann::{ANNError, ANNErrorKind, ANNResult};
use diskann_linalg::{self, Transpose};
use diskann_providers::{
forward_threadpool,
Expand Down Expand Up @@ -172,7 +172,8 @@ pub fn compute_closest_centers_in_block(
&ones_a,
None, // Initialize the destination matrix
dist_matrix,
);
)
.map_err(|e| ANNError::new(ANNErrorKind::IndexError, e))?;

diskann_linalg::sgemm(
Transpose::None,
Expand All @@ -185,7 +186,8 @@ pub fn compute_closest_centers_in_block(
centers_l2sq,
Some(1.0), // Add to the destination matrix
dist_matrix,
);
)
.map_err(|e| ANNError::new(ANNErrorKind::IndexError, e))?;

diskann_linalg::sgemm(
Transpose::None,
Expand All @@ -198,7 +200,8 @@ pub fn compute_closest_centers_in_block(
centers,
Some(1.0), // Add to the destination matrix.
dist_matrix,
);
)
.map_err(|e| ANNError::new(ANNErrorKind::IndexError, e))?;

if k == 1 {
center_index
Expand Down
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