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Improved support of parametrized gates in DDSIM Backends #293

Merged
merged 16 commits into from
Sep 28, 2023
Merged

Improved support of parametrized gates in DDSIM Backends #293

merged 16 commits into from
Sep 28, 2023

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andresbar98
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@andresbar98 andresbar98 commented Sep 12, 2023

This PR expands the handling of parameterized circuits by DDSIM backends. DDSIM backends can now bind parameters to quantum circuits, resembling the way Qiskit Primitives operate.

  • A list containing the corresponding parameter values can be entered as an extra argument in the run() method
  • Add corresponding tests to this new feature

Solves #295 first task.

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codecov bot commented Sep 12, 2023

Codecov Report

Merging #293 (6fa93f7) into main (af65305) will increase coverage by 0.0%.
Report is 2 commits behind head on main.
The diff coverage is 100.0%.

Additional details and impacted files

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@@          Coverage Diff          @@
##            main    #293   +/-   ##
=====================================
  Coverage   92.5%   92.5%           
=====================================
  Files         32      32           
  Lines       2537    2553   +16     
  Branches     351     351           
=====================================
+ Hits        2348    2363   +15     
- Misses       189     190    +1     
Flag Coverage Δ *Carryforward flag
cpp 94.6% <ø> (-0.1%) ⬇️ Carriedforward from e5bdab1
python 85.1% <100.0%> (+0.4%) ⬆️

*This pull request uses carry forward flags. Click here to find out more.

Files Coverage Δ
src/mqt/ddsim/job.py 68.0% <100.0%> (+0.6%) ⬆️
src/mqt/ddsim/qasmsimulator.py 98.9% <100.0%> (+0.1%) ⬆️
src/mqt/ddsim/unitarysimulator.py 87.8% <100.0%> (ø)

... and 1 file with indirect coverage changes

@andresbar98 andresbar98 changed the title Building DDSIM versions of QIskit Primitives Improved support of parametrized gates in DDSIM Backends Sep 13, 2023
@andresbar98 andresbar98 marked this pull request as ready for review September 14, 2023 11:50
@burgholzer burgholzer added enhancement Anything related to improvements of the existing library python Pull requests that update Python code labels Sep 17, 2023
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Many thanks for the PR 👍🏼
I just went through it real quick and you can find some comments below.
Most importantly, I believe that some of the code duplication can be avoided.

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Hey 👋🏼
Just went over the changes once more. We are definitely converging.
I like that this is a way smaller change now than at the start of the PR.
You can find a couple of comments (mostly regarding typing) inline.
Additionally, the adjustments to the tests from the previous review are still open.

I also added you as a contributor to the repository, so you should now have the permissions to (re-)request reviews.

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Thanks again, looking better now 👍🏼
Find some further comments inline.

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andresbar98 and others added 3 commits September 26, 2023 15:55
Modified error message

Co-authored-by: Lukas Burgholzer <burgholzer@me.com>
Modified error message

Co-authored-by: Lukas Burgholzer <burgholzer@me.com>
Co-authored-by: Lukas Burgholzer <burgholzer@me.com>
andresbar98 and others added 4 commits September 26, 2023 17:35
Signed-off-by: burgholzer <burgholzer@me.com>
use `assign_parameters` instead of the soon-to-be-deprecated `bind_parameters`.
Simplify input validation since many checks are already covered by the `assign_parameters` method in strict mode.

Signed-off-by: burgholzer <burgholzer@me.com>
Signed-off-by: burgholzer <burgholzer@me.com>
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Thanks for the changes.
I took the liberty to fix the remaining errors and refactored parts of the code to be even simpler.
Most notably:

  • bind_parameters has been replaced by assign_aparameters since the former function is soon to be deprecated (see Deprecate bind_parameters in favor of assign_parameters Qiskit/qiskit#10792)
  • Several checks have been simplified as they are partly covered by the assign_parameters method internally or could be simplified by swapping some statements around
  • Typing of the parameters was simplified by introducing a type alias and using the more generic version from Qiskit

From my end, this looks good to go now. Let me know if you see anything problematic.

@burgholzer burgholzer added this to the Qiskit Primitives milestone Sep 27, 2023
@burgholzer burgholzer merged commit 127a41d into cda-tum:main Sep 28, 2023
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