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GenericBackendV2 should fail when the backend cannot allocate the basis gate because its size (backport #12653) #12667

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merged 1 commit into from
Jun 26, 2024

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@mergify mergify bot commented Jun 26, 2024

Summary

GenericBackendV2 should not accept backends that are too small for certain gates. The following examples should be rejected:

GenericBackendV2(num_qubits=1, basis_gates=["cx", "id"])

GenericBackendV2(num_qubits=2, basis_gates=["ccx", "id"])

@ElePT found this!


This is an automatic backport of pull request #12653 done by [Mergify](https://mergify.com).

…is gate because its size (#12653)

* GenericBackendV2 should fail when the backend cannot allocate the basis gate because its size

Co-authored-by: Elena Peña Tapia <57907331+ElePT@users.noreply.github.com>

* reno

* Update releasenotes/notes/fixes_GenericBackendV2-668e40596e1f070d.yaml

Co-authored-by: Elena Peña Tapia <57907331+ElePT@users.noreply.github.com>

* another single qubit backend

---------

Co-authored-by: Elena Peña Tapia <57907331+ElePT@users.noreply.github.com>
(cherry picked from commit e36027c)
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@github-actions github-actions bot added the Changelog: Bugfix Include in the "Fixed" section of the changelog label Jun 26, 2024
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coveralls commented Jun 26, 2024

Pull Request Test Coverage Report for Build 9676645295

Details

  • 2 of 2 (100.0%) changed or added relevant lines in 1 file are covered.
  • 12 unchanged lines in 3 files lost coverage.
  • Overall coverage increased (+0.02%) to 89.935%

Files with Coverage Reduction New Missed Lines %
qiskit/transpiler/passes/synthesis/unitary_synthesis.py 2 88.2%
crates/qasm2/src/lex.rs 4 92.62%
crates/qasm2/src/parse.rs 6 97.61%
Totals Coverage Status
Change from base Build 9663344566: 0.02%
Covered Lines: 61831
Relevant Lines: 68751

💛 - Coveralls

@ElePT ElePT added this pull request to the merge queue Jun 26, 2024
@github-merge-queue github-merge-queue bot removed this pull request from the merge queue due to failed status checks Jun 26, 2024
@ElePT ElePT added this pull request to the merge queue Jun 26, 2024
@github-merge-queue github-merge-queue bot removed this pull request from the merge queue due to no response for status checks Jun 26, 2024
@1ucian0 1ucian0 added this pull request to the merge queue Jun 26, 2024
Merged via the queue into stable/1.1 with commit 25c0542 Jun 26, 2024
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@mergify mergify bot deleted the mergify/bp/stable/1.1/pr-12653 branch June 26, 2024 19:48
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4 participants