hackathon: low level gang

[flytoox]

Description

Please include a summary of the changes and the related issue.
Please also include relevant motivation and context.

Fixes # (issue - if relevant)

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist

Please ensure that the following items have been completed and delete this section afterwards.

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation, if relevant
• I have added tests that prove my fix is effective or that my feature works

[CLAassistant]

All committers have signed the CLA.

[github-actions]

Test Results

    29 files      29 suites   14m 47s ⏱️
 1 319 tests  1 319 ✅ 0 💤 0 ❌
48 424 runs  48 424 ✅ 0 💤 0 ❌

Results for commit 5153358.

♻️ This comment has been updated with latest results.

[coveralls]

Pull Request Test Coverage Report for Build 11864692842

Details

• 26 of 31 (83.87%) changed or added relevant lines in 2 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.2%) to 98.495%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/XAD/ChunkContainer.hpp	18	23	78.26%

Files with Coverage Reduction	New Missed Lines	%
src/XAD/Tape.hpp	2	97.25%

Totals
Change from base Build 11864608732:	-0.2%
Covered Lines:	2422
Relevant Lines:	2459

---

💛 - Coveralls

[auto-differentiation-dev]

Results:

App	Reference	Optimised	Improvement
Monte-Carlo Swaption Pricer (App 1)	13.394s	11.359s	15.193%
Bermudan Swaption Pricer (App 2)	31.575715ms	30.18546ms	4.403%
QuantLib Overhead (App 3)	4120465us	3838768us	6.837%