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Enable automatic controlled-gate decomposition for tensornet-mps backend #884

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1tnguyen opened this issue Nov 9, 2023 · 0 comments · Fixed by #1420
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Enable automatic controlled-gate decomposition for tensornet-mps backend #884

1tnguyen opened this issue Nov 9, 2023 · 0 comments · Fixed by #1420
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enhancement New feature or request

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1tnguyen commented Nov 9, 2023

Currently, we don't handle gates on 3 or more qubits in the tensornet-mps backend.
These gates are typically controlled gates.

To lift this constraint, we can enforce mlir mode when using the backend and use our multi-control decomposition pass to decompose those gates.
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MPS backend to support gates on 3+ qubits 1tnguyen/cuda-quantum
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