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Better L4 and array storage design

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This commit is contained in:
Youmu Liu
2026-03-04 18:12:58 +08:00
parent 7e970352ab
commit dfa6f4ba92
103 changed files with 853 additions and 6837 deletions
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StgSharp.Mathematics/Numeric/MatrixCompute.Factorize.cs
+14 -8
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@@ -2,8 +2,8 @@
// -----------------------------------------------------------------------
// file="MatrixCompute.Factorize"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. All rights reserved.
// AuthorGroup: Nitload
// Copyright (c) Nitload. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
@@ -41,7 +41,8 @@ namespace StgSharp.Mathematics.Numeric
Matrix<float> matrix,
Span<int> pivot,
Matrix<float> lower,
Matrix<float> upper)
Matrix<float> upper
)
{
if (matrix.ColumnLength != matrix.RowLength) {
throw new InvalidOperationException("Matrix must be square.");
@@ -53,10 +54,14 @@ namespace StgSharp.Mathematics.Numeric
if (pivot.Length < n) {
throw new ArgumentException("Pivot span length is insufficient.", nameof(pivot));
}
if (lower.RowLength != n || lower.ColumnLength != n || lower.Layout != MatrixLayout.UpperTriangle) {
if (lower.RowLength != n ||
lower.ColumnLength != n ||
lower.Layout != MatrixLayout.UpperTriangle) {
throw new ArgumentException("Lower matrix must be lower-triangular with same dimensions as input.", nameof(lower));
}
if (upper.RowLength != n || upper.ColumnLength != n || upper.Layout != MatrixLayout.UpperTriangle) {
if (upper.RowLength != n ||
upper.ColumnLength != n ||
upper.Layout != MatrixLayout.UpperTriangle) {
throw new ArgumentException("Upper matrix must be upper-triangular with same dimensions as input.", nameof(upper));
}
@@ -73,9 +78,10 @@ namespace StgSharp.Mathematics.Numeric
for (int kBlock = 0; kBlock < n; kBlock += 4)
{
MathematicsModule.GlobalContext
.mat[(int)MatrixElementType.F32].pivot(matrix.Buffer, (ulong)(kBlock >> 2),
(ulong)(matrix.KernelRowLength - (kBlock >> 2)),
(ulong)pivots);
.mat_sk[(int)MatrixElementType.F32].pivot(matrix.Buffer,
(ulong)(kBlock >> 2),
(ulong)(matrix.KernelRowLength - (kBlock >> 2)),
(ulong)pivots);
int colsInBlock = Math.Min(4, n - kBlock);
for (int offset = 0; offset < colsInBlock; offset++)
{