Bump pyqrack from 1.32.21 to 1.32.27

[dependabot]

Bumps pyqrack from 1.32.21 to 1.32.27.

Release notes

Sourced from pyqrack's releases.

Remove QPager from default stack

QPager appears to be bugged when QHybrid does not wrap it, possibly only in the case that QPager has a single "page" (which QHybrid would avoid, but QUnit without QHybrid would engage). Apologies for releasing many times in a day, but this version is the most performant and correct I can offer until I systematically debug QPager, which might take a day or two.

Full Changelog: unitaryfund/qrack@vm6502q.v9.12.32...vm6502q.v9.12.33 unitaryfund/pyqrack@v1.32.25...v1.32.27

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Disable "hybrid stabilizer" by default

I was hasty in the release notes, earlier today: much has changed on my particular hardware, including Intel firmware. While I was frustrated that something appeared to change, out from under us, it's not necessarily due to NVIDIA drivers (though that might contribute), and, conceivably, it might have everything to do with speculative code execution.

In any case, typical use-case performance seems to benefit from also disabling "hybrid stabilizer" mode in PyQrack by default. Regarding this release and v1.32.25 earlier today, no functionality has been removed. It is possible to recover the original behavior (which might be better suited for your system, depending) with isStabilizerHybrid=True and isCpuGpuHybrid=True passed to the QrackSimulator constructor. However, on an RTX 3080 laptop, performance for typical workloads seems to benefit immensely from turning both options off (by this point in history, whereas this might not have been the case in past years).

We will update the documentation and API reference to indicate the new default constructor options, but the new defaults might be more intuitive for most users: stabilizer (even "hybrid," universal) is a special-case algorithm, and `"hybrid CPU/GPU" is something to experiment with on your local system, whereas GPU could be expected to be used by default if you have a GPU.

Full Changelog: unitaryfund/pyqrack@v1.32.35...v1.32.26

sha1sum results: 8c83ec6953f93c7eb59282f476273a139ed1561e pyqrack-1.32.26-py3-none-macosx_13_0_x86_64.whl 7263725151813f1c604cdbc015bda2189c730df7 pyqrack-1.32.26-py3-none-macosx_14_0_arm64.whl a934b0bc2ddbdf36e086edeedfb4344717b9b74b pyqrack-1.32.26-py3-none-macosx_15_0_arm64.whl 9c4c03dbd58f1c92f7921e1b5fc5a8b2d7c12428 pyqrack-1.32.26-py3-none-manylinux_2_31_x86_64.whl 8c9b27ae1b6f725049582a7c75bc9352ff1153e9 pyqrack-1.32.26-py3-none-manylinux_2_35_x86_64.whl f1815a2e67962c15226c7e1cc41473c8961dd773 pyqrack-1.32.26-py3-none-manylinux_2_39_x86_64.whl b1accbe2e49358807188fb269315c4ad217e97cf pyqrack-1.32.26-py3-none-win_amd64.whl bf019ed9cf4c31f7470854e9d1360bc2e2ee2309 pyqrack-1.32.26.tar.gz 8a8a34412f9c6d15aa621e975e1f3c5e8f061c52 pyqrack_cpu-1.32.26-py3-none-macosx_13_0_x86_64.whl 20d0ab86764e38c4b863ba2afb7acdaa428af6b7 pyqrack_cpu-1.32.26-py3-none-manylinux_2_31_x86_64.whl b63c1a2c099484e729a04f5492561453183b6576 pyqrack_cpu-1.32.26-py3-none-manylinux_2_35_x86_64.whl f30aa21c33ab9a602484ff5cecc9c673cd651d37 pyqrack_cpu-1.32.26-py3-none-manylinux_2_39_x86_64.whl 37d0054acd7589f605ea7b565daf2738c84d9b10 pyqrack_cpu-1.32.26-py3-none-win_amd64.whl e3c214df31962492215b71db7204a94c01f34be2 pyqrack_cpu-1.32.26.tar.gz

QHybrid no longer necessary

For years, it was always the case that low qubit width run on GPU-based simulation methods "plateaued" at a certain higher value than CPU-based methods at the same width, because full GPU parallelism couldn't be engaged for small numbers of work items. To alleviate this condition, years ago, Qrack implemented QHybrid, to intelligently switch between GPU-based and CPU-based methods.

... (truncated)

Commits

• d143a8f Bump version (new Qrack)
• 61f635f Disable QPager by default
• d080273 Disable hybrid stabilizer by default
• 86aa6c4 Mac 12 runners are deprecated
• 1a4bd5d isCpuGpuHybrid=False default
• 05bd562 Clarify QRACK_FPPOW in README
• See full diff 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 (8e721ad) to head (f38087f).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2582   +/-   ##
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  Coverage   98.72%   98.72%           
=======================================
  Files          92       92           
  Lines        4168     4168           
=======================================
  Hits         4115     4115           
  Misses         53       53           

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[dependabot]

A newer version of pyqrack exists, but since this PR has been edited by someone other than Dependabot I haven't updated it. You'll get a PR for the updated version as normal once this PR is merged.