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Faster SwapMatrixRows and SwapMatrixColumns for 8bit matrices

release notes: use titleFor PRs: the title of this PR is suitable for direct use in the release notesFor PRs: the title of this PR is suitable for direct use in the release notes

topic: kernel

topic: performancebugs or enhancements related to performance (improvements or regressions)bugs or enhancements related to performance (improvements or regressions)

Status: Merged (completed).

gap-system/gapnumber 5838

#5838 In gap-system/gap;

· by fingolfin was closed on Nov 13, 2024

Faster SwapMatrixRows and SwapMatrixColumns for GF2 matrices

release notes: use titleFor PRs: the title of this PR is suitable for direct use in the release notesFor PRs: the title of this PR is suitable for direct use in the release notes

topic: kernel

topic: performancebugs or enhancements related to performance (improvements or regressions)bugs or enhancements related to performance (improvements or regressions)

Status: Merged (completed).

gap-system/gapnumber 5837

#5837 In gap-system/gap;

· by fingolfin was closed on Nov 11, 2024

Speed up IsRegularPGroup

release notes: use titleFor PRs: the title of this PR is suitable for direct use in the release notesFor PRs: the title of this PR is suitable for direct use in the release notes

topic: library

topic: performancebugs or enhancements related to performance (improvements or regressions)bugs or enhancements related to performance (improvements or regressions)

Status: Merged (completed).

gap-system/gapnumber 5797

#5797 In gap-system/gap;

· by fingolfin was closed on Oct 9, 2024

Speed up IsSimpleAlgebra, SemiSimpleType and RootSystem for Lie algebras by using a better test for non-degeneracy of Killing forms

kind: enhancementLabel for issues suggesting enhancements; and for pull requests implementing enhancementsLabel for issues suggesting enhancements; and for pull requests implementing enhancements

release notes: use titleFor PRs: the title of this PR is suitable for direct use in the release notesFor PRs: the title of this PR is suitable for direct use in the release notes

topic: library

topic: performancebugs or enhancements related to performance (improvements or regressions)bugs or enhancements related to performance (improvements or regressions)

Status: Merged (completed).

gap-system/gapnumber 5794

#5794 In gap-system/gap;

· by lgoettgens was closed on Sep 6, 2024

Speed up orbit computations on integer sets and tuples by providing a better hash function for lists of small integers

kind: enhancementLabel for issues suggesting enhancements; and for pull requests implementing enhancementsLabel for issues suggesting enhancements; and for pull requests implementing enhancements

release notes: use titleFor PRs: the title of this PR is suitable for direct use in the release notesFor PRs: the title of this PR is suitable for direct use in the release notes

topic: library

topic: performancebugs or enhancements related to performance (improvements or regressions)bugs or enhancements related to performance (improvements or regressions)

Status: Merged (completed).

gap-system/gapnumber 5783

#5783 In gap-system/gap;

· by reiniscirpons was closed on Aug 31, 2024

Speed up CyclotomicPolynomial substantially

kind: enhancementLabel for issues suggesting enhancements; and for pull requests implementing enhancementsLabel for issues suggesting enhancements; and for pull requests implementing enhancements

release notes: use titleFor PRs: the title of this PR is suitable for direct use in the release notesFor PRs: the title of this PR is suitable for direct use in the release notes

topic: performancebugs or enhancements related to performance (improvements or regressions)bugs or enhancements related to performance (improvements or regressions)

Status: Merged (completed).

gap-system/gapnumber 5707

#5707 In gap-system/gap;

· by frankluebeck was closed on May 6, 2024

Improve construction of permutation actions and by this e.g. make FactorCosetAction faster by several magnitudes in certain examples

kind: enhancementLabel for issues suggesting enhancements; and for pull requests implementing enhancementsLabel for issues suggesting enhancements; and for pull requests implementing enhancements

release notes: use titleFor PRs: the title of this PR is suitable for direct use in the release notesFor PRs: the title of this PR is suitable for direct use in the release notes

topic: performancebugs or enhancements related to performance (improvements or regressions)bugs or enhancements related to performance (improvements or regressions)

Status: Merged (completed).

gap-system/gapnumber 5698

#5698 In gap-system/gap;

· by hulpke was closed on May 6, 2024

Ensure fp groups for which Size successfully computes the order can also be enumerated (previously this could run out of memory)

backport-to-4.13-DONE

kind: enhancementLabel for issues suggesting enhancements; and for pull requests implementing enhancementsLabel for issues suggesting enhancements; and for pull requests implementing enhancements

release notes: use titleFor PRs: the title of this PR is suitable for direct use in the release notesFor PRs: the title of this PR is suitable for direct use in the release notes

topic: performancebugs or enhancements related to performance (improvements or regressions)bugs or enhancements related to performance (improvements or regressions)

Status: Merged (completed).

gap-system/gapnumber 5677

#5677 In gap-system/gap;

· by james-d-mitchell was closed on Apr 2, 2024

Computing elements of an fp-group of order 200 running out of memory

topic: performancebugs or enhancements related to performance (improvements or regressions)bugs or enhancements related to performance (improvements or regressions)

Status: Closed (completed).

#5671 In gap-system/gap;

· by fingolfin was closed on Jun 18, 2024

Validate arguments to ListPerm, and turn it into a kernel function to make it faster

kind: enhancementLabel for issues suggesting enhancements; and for pull requests implementing enhancementsLabel for issues suggesting enhancements; and for pull requests implementing enhancements

release notes: use titleFor PRs: the title of this PR is suitable for direct use in the release notesFor PRs: the title of this PR is suitable for direct use in the release notes

topic: kernel

topic: library

topic: performancebugs or enhancements related to performance (improvements or regressions)bugs or enhancements related to performance (improvements or regressions)

Status: Merged (completed).

gap-system/gapnumber 5566

#5566 In gap-system/gap;

· by fingolfin was closed on Jan 10, 2024

Use anupq package for computing isomorphism of p-groups if it is available

kind: enhancementLabel for issues suggesting enhancements; and for pull requests implementing enhancementsLabel for issues suggesting enhancements; and for pull requests implementing enhancements

release notes: use titleFor PRs: the title of this PR is suitable for direct use in the release notesFor PRs: the title of this PR is suitable for direct use in the release notes

topic: performancebugs or enhancements related to performance (improvements or regressions)bugs or enhancements related to performance (improvements or regressions)

Status: Merged (completed).

gap-system/gapnumber 5537

#5537 In gap-system/gap;

· by hulpke was closed on Dec 8, 2023

Improve subgroup conjugacy of permutation groups

release notes: use titleFor PRs: the title of this PR is suitable for direct use in the release notesFor PRs: the title of this PR is suitable for direct use in the release notes

topic: performancebugs or enhancements related to performance (improvements or regressions)bugs or enhancements related to performance (improvements or regressions)

Status: Merged (completed).

gap-system/gapnumber 5514

#5514 In gap-system/gap;

· by hulpke was closed on Oct 11, 2023