Bump pyqrack from 1.32.11 to 1.32.19

[dependabot]

Bumps pyqrack from 1.32.11 to 1.32.19.

Release notes

Sourced from pyqrack's releases.

Option to disable low-fidelity exception

This release adds the option to disable the limiter exception on low QUnit fidelity estimate, by setting environment variable QRACK_DISABLE_QUNIT_FIDELITY_GUARD to any truthy value.

When QUnit encounters a situation where acting a coupler gate would require exceeding user-specified maximum system memory resources, it will automatically resort to replacing this gate with a "classical shadow" that will not require additional allocation. In the process, QUnit will decrease its internal first-principles unitary fidelity estimation under assumption that the classical shadow replacement effect is worst-case. If the fidelity estimate drops below floating-point rounding epsilon, QUnit will automatically throw to exit simulation early. However, particularly in cases of "anti-concentration," such as with universal random circuit sampling, this first-principles worst-case fidelity estimate might be very overly severe. In these cases, the worst-case fidelity estimate cannot necessarily be trusted not to be (potentially very) overly pessimistic, but the throw condition on low fidelity estimate can be disabled by assigning any value to environment variable QRACK_DISABLE_QUNIT_FIDELITY_GUARD.

Full Changelog: unitaryfund/qrack@vm6502qv9.12.23...vm6502q.v9.12.23 unitaryfund/pyqrack@v1.32.18...v1.32.19

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Qrack errata commit bc1d5d8

Qrack errata commit bc1d5d89 🪨✌️💜

[Errata is not necessary; v1.32.17 is correct.]

Happy anniversary on 7 years of Qracking!

This release optimizes the QUnit classical shadows code and makes many various "micro-optimizations" largely around the goal of reducing division operations on literals and instituting a HALF_R1 macro.

The very first public Qrack repository commit (82744ec) was on December 20th, 2017. To personal memory, the first lines of the original Qrack code base were written (in GNU/Linux gedit, no less) in November, 2017, before "coming out of stealth" in December, a few weeks later. Dan remembers, he was excited by Microsoft's promotion of the first (preview) Q# SDK, which was released on December 11th of that year. It was actually through social media marketing channels about the first Q# SDK preview that he met Qrack coauthor @​bennbollay (via Dr. Nick Allgood). Benn basically taught Dan "Agile Methodology," through intensive pull request reviews, and he made invaluable contributions to early code standards, tooling, and even algorithms, particularly in QUnit, which he named.

We keep saying we're going to quit, one day... but we haven't, yet! For all these years, we've liked to try to take stock of the roadmap in November, annually, and give a "spit-shine" to any code standards that might have degraded in new implementation or changed due to finding better ways in the past year. Purely semantically, I take a look around at the code base, and I think we might not need a Qrack v10, yet, while the code standards look better than ever, to me!

I'm writing these commemorative release notes because Qrack got its annual November "spit-shine," this week. As many have heard me say in the past year or so, Qrack is a very "mature" project, maybe even "complete" at least in the implementation of the core library itself, besides integrations with third-party software, and so I want it in a perfectly honed form at any given moment I might "lovingly abandon" the core library as "complete." Yet, we've thought for at least a year, on-and-off, that the project might actually already be "complete," while we still manage to surprise ourselves week-to-week with new insights leading to new algorithms and optimizations.

Here's to 7 years of happy Qracking, and I wish the happiest of Fall and Winter holiday seasons to all who might read this! No immediate development priorities in the core Qrack library are on the immediate horizon, for now, again, but I wanted to make sure that Qrack was in absolute perfect condition for your holidays. Thank you! You rock!

Full Changelog: unitaryfund/qrack@vm6502qv9.12.18...vm6502qv9.12.23 unitaryfund/pyqrack@v1.32.16...v1.32.17

sha1sum results: 409141dcf699028cfd2cb631a8d7f2953e1f491b pyqrack-1.32.17-py3-none-macosx_12_0_x86_64.whl 165e1c987ad143148334df67868eeb333f257f31 pyqrack-1.32.17-py3-none-macosx_13_0_x86_64.whl

... (truncated)

Commits

• a7bc72b Bump version (new Qrack)
• b6da394 Qrack errata bc1d5d8
• ecac6c2 Bump version (new Qrack)
• b9c9af9 Bump version (new Qrack)
• 0c2657b Revert "Bump Qrack version"
• bf970a9 Bump Qrack version
• b98d41b Bump version (new Qrack)
• a647284 Bump Qrack
• 433d6ba Bump Qrack
• fc4ed9d Bump for new Qrack
• Additional commits viewable in compare view

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.72%. Comparing base (9561b9f) to head (7d63fb6).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2577   +/-   ##
=======================================
  Coverage   98.72%   98.72%           
=======================================
  Files          92       92           
  Lines        4168     4168           
=======================================
  Hits         4115     4115           
  Misses         53       53           

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