bench: refactor to use dynamic memory allocation in blas/ext/base/dapx

[iampratik13]

bench: refactor to use dynamic memory allocation in blas/ext/base/dapx

type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:

• task: lint_filenames
  status: passed
• task: lint_editorconfig
  status: passed
• task: lint_markdown
  status: na
• task: lint_package_json
  status: na
• task: lint_repl_help
  status: na
• task: lint_javascript_src
  status: na
• task: lint_javascript_cli
  status: na
• task: lint_javascript_examples
  status: na
• task: lint_javascript_tests
  status: na
• task: lint_javascript_benchmarks
  status: na
• task: lint_python
  status: na
• task: lint_r
  status: na
• task: lint_c_src
  status: na
• task: lint_c_examples
  status: na
• task: lint_c_benchmarks
  status: passed
• task: lint_c_tests_fixtures
  status: na
• task: lint_shell
  status: na
• task: lint_typescript_declarations
  status: passed
• task: lint_typescript_tests
  status: na
• task: lint_license_headers
  status: passed

Related Issues

Does this pull request have any related issues?

This pull request has the following related issues:

• [RFC]: replace static memory allocation of large arrays in C benchmarks with dynamic memory allocation (tracking issue) #8643

Questions

Any questions for reviewers of this pull request?

No.

Other

Any other information relevant to this pull request? This may include screenshots, references, and/or implementation notes.

No.

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.

AI Assistance

When authoring the changes proposed in this PR, did you use any kind of AI assistance?

• Yes
• No

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• Code generation (e.g., when writing an implementation or fixing a bug)
• Test/benchmark generation
• Documentation (including examples)
• Research and understanding

Disclosure

If you answered "yes" to using AI assistance, please provide a short disclosure indicating how you used AI assistance. This helps reviewers determine how much scrutiny to apply when reviewing your contribution. Example disclosures: "This PR was written primarily by Claude Code." or "I consulted ChatGPT to understand the codebase, but the proposed changes were fully authored manually by myself.".

{{TODO: add disclosure if applicable}}

---

@stdlib-js/reviewers

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
blas/ext/base/dapx	$\color{green}388/388$ $color{green}+100.00%$	$\color{green}26/26$ $color{green}+100.00%$	$\color{green}4/4$ $color{green}+100.00%$	$\color{green}388/388$ $color{green}+100.00%$

The above coverage report was generated for the changes in this PR.

[kgryte]

LGTM