Qiskit / qiskit / 10081842730

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Commit Message

Oxidize TwoQubitDecomposeUpToDiagonal (#12563)

* Oxidize TwoQubitDecomposeUpToDiagonal

This commit ports the TwoQubitDecomposeUpToDiagonal class from Python to
rust. This internal private class is used internally by the quantum
shannon decomposition code, and while not performance critical was
simple to port. One difference is while the original Python
implementation was a class, it acted more like a function in practice.
So the new rust version is exposed as a function.

Co-authored-by: Luciano Bello <bel@zurich.ibm.com>
Co-authored-by: Elena Peña Tapia <57907331+ElePT@users.noreply.github.com>
Co-authored-by: Sebastian Brandhofer <148463728+sbrandhsn@users.noreply.github.com>
Co-authored-by: Jake Lishman <jake.lishman@ibm.com>
Co-authored-by: John Lapeyre <jlapeyre@users.noreply.github.com>
Co-authored-by: Julien Gacon <gaconju@gmail.com>
Co-authored-by: Eli Arbel <46826214+eliarbel@users.noreply.github.com>
Co-authored-by: Raynel Sanchez <87539502+raynelfss@users.noreply.github.com>
Co-authored-by: Henry Zou <87874865+henryzou50@users.noreply.github.com>
Co-authored-by: Shelly Garion <46566946+ShellyGarion@users.noreply.github.com>
Co-authored-by: Alexander Ivrii <alexi@il.ibm.com>

* Build circuit from rust

Since #12459 recently merged we now have a mechanism to build a circuit
from rust. This commit updates the synthesis function to build the
circuit directly in rust instead of returning a circuit sequence and
building the circuit from Python. This should speed up the construction
substantially.

* Remove unused private Python class

This commit removes the Python implementation of the function. This is
now unused in Qiskit and was never a public class so nothing external
should be depending on it. Since it's not used we should just remove it.

* Remove unused import

* Calculate best_nbasis in unwrap_or_else()

---------

Co-authored-by: Luciano Bello <bel@zurich.ibm.com>
Co-authored-by: Elena Peña Tapia <57907331+ElePT@users.noreply.github.c... (continued)

Run Details

226 of 237 new or added lines in 2 files covered. (95.36%)

3 existing lines in 1 file now uncovered.

65986 of 73368 relevant lines covered (89.94%)

299489.64 hits per line