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Transpilation (e.g. qubits, gates)
Transpilation is the process of rewriting a quantum computer program so that it can actually run on a specific piece of hardware. When a programmer designs a quantum circuit, they often use “logical” instructions that assume a perfect environment. However, real quantum processors have physical limits: not all qubits are connected to each other, and each chip has its own specific language of “native gates.” The transpiler acts as an automated translator. It reroutes the instructions to fit the hardware’s layout and swaps complex commands for simpler ones the machine understands. This step is vital for reducing errors and ensuring the program finishes before the quantum information is lost to noise.
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