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sparse v0.2.1: ldl against QDLDL on AMD-ordered matrices - #4
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Measured 2026-11-01 at load 2.3, one core, 9 interleaved rounds. Natural order is on par with C; AMD-ordered matrices are still 11 to 21% slower on the numeric factor (open defect, documented in the repository). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Summary
sparse v0.2.1 is released (go-sparse/sparse PR 9). Updates the released version and, in the docs, the
ldlagainst QDLDL table: natural-order KKT matrices are on par with C (0.99 to 1.06), AMD-ordered ones are still 11 to 21% slower on the numeric factor, documented as an open defect. Measured 2026-11-01 at load 2.3, one core, 9 interleaved rounds.🤖 Generated with Claude Code