Add instructions to set simulator state #1163
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Changelog: New Feature
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Current support is for statevector, density matrix, unitary, superop, stabilizer
Move default_qubits to separate file Move instructions to subfolders Add set instructions to backends
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vvilpas
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Mar 26, 2021
| @@ -580,6 +580,9 @@ void State<statevec_t>::apply_ops(const std::vector<Operations::Op> &ops, | |||
| else if(op.name == "end_register_blocking"){ | |||
| BaseState::qreg_.leave_register_blocking(); | |||
| } | |||
| case OpType::set_statevec: | |||
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Are we missing a break statement for the sim_op case?
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Summary
Add instructions for setting the simulator state to a custom value.
Note: performance for these instructions for large numbers of qubits will be quite bad since the instruction is being serialized via JSON which is very inefficient for matrices and vectors.
TODO:
Details and comments
Adds instructions for setting the simulator state for statevector, density matrix, unitary, and stabilizer methods. These are simulator directive instructions so cannot be unrolled to gates like
initializeinstructions. They also must be applied to all qubits in a circuit, unlike initialize.Example
For follow up PRs