{ "status": "done", "method": "exact", "why": "bit-exact state vector of 3 qubits; what auto picks, which meets the contract: the contract names no class, so it keeps auto's (1 of 13 routes meet it)", "estimate": { "memory_bytes": 134218112, "work": 40 }, "request": { "qasm": "OPENQASM 3.0;\ninclude \"stdgates.inc\";\nqubit[3] q;\nbit[3] c;\nh q[0];\nt q[0];\ncx q[0], q[1];\nrz(pi/8) q[2];\ncx q[1], q[2];\nc = measure q;\n", "shots": 500, "seed": 3, "contract": { "deadline_seconds": 600.0 } }, "result": { "method": "exact", "qubits": 3, "gates": 5, "accuracy": { "class": "bit-exact" }, "state_hash": "5f1ae3e98c0555290986daf0d573de16a34ba01d1993f13f134e0b1daf6f1ab5", "counts": { "000": 254, "111": 246 }, "distinct_outcomes": 2, "omitted_shots": 0, "elapsed_ms": 0, "engine": { "name": "wai-quantum", "version": "0.8.1" }, "schema": "wai.quantum.job-result/1", "planner": { "format": "wai.quantum.planner/1", "wanted": "bit-exact", "wanted_from": "auto", "named": null, "question": "counts", "auto": "method:statevector", "host": { "job_bytes": 17179869184, "providers": [] }, "routes": [ { "route": "method:exact", "kind": "local", "method": "exact", "class": "bit-exact", "host_dependent": false, "auto_rank": 20, "price": { "money": { "free": true }, "time": { "seconds": 2e-07, "basis": "nominal" }, "memory_bytes": 134218112, "work": 40, "energy": { "joules": null, "why": "this host estimates no job's energy before it runs" }, "leaves_out": [] }, "outcome": "chosen" }, { "route": "method:statevector", "kind": "local", "method": "statevector", "class": "exact", "host_dependent": false, "auto_rank": 30, "price": { "money": { "free": true }, "time": { "seconds": 4e-08, "basis": "nominal" }, "memory_bytes": 268447588, "work": 40, "energy": { "joules": null, "why": "this host estimates no job's energy before it runs" }, "leaves_out": [] }, "outcome": "rejected", "rejected": { "code": "class", "why": "its class is exact, and the job wants bit-exact" } }, { "route": "method:statevector_single", "kind": "local", "method": "statevector_single", "class": "single", "host_dependent": true, "auto_rank": 40, "price": null, "outcome": "rejected", "rejected": { "code": "class", "why": "its class is single, and the job wants bit-exact" } }, { "route": "method:stabilizer", "kind": "local", "method": "stabilizer", "class": "exact", "host_dependent": false, "auto_rank": 10, "price": null, "outcome": "rejected", "rejected": { "code": "class", "why": "its class is exact, and the job wants bit-exact" } }, { "route": "method:pauli", "kind": "local", "method": "pauli", "class": "bounded", "host_dependent": false, "auto_rank": null, "price": null, "outcome": "rejected", "rejected": { "code": "class", "why": "its class is bounded, and the job wants bit-exact" } }, { "route": "method:mps", "kind": "local", "method": "mps", "class": "heuristic", "host_dependent": false, "auto_rank": 60, "price": { "money": { "free": true }, "time": { "seconds": 0.024723456, "basis": "nominal" }, "memory_bytes": 270794752, "work": 16482304, "energy": { "joules": null, "why": "this host estimates no job's energy before it runs" }, "leaves_out": [] }, "outcome": "rejected", "rejected": { "code": "class", "why": "its class is heuristic, and exact only when nothing is truncated, which it cannot know before it runs; the job wants bit-exact" } }, { "route": "method:stabilizer_rank", "kind": "local", "method": "stabilizer_rank", "class": "exact", "host_dependent": false, "auto_rank": null, "price": null, "outcome": "rejected", "rejected": { "code": "class", "why": "its class is exact, and the job wants bit-exact" } }, { "route": "method:tensor_network", "kind": "local", "method": "tensor_network", "class": "exact", "host_dependent": false, "auto_rank": null, "price": null, "outcome": "rejected", "rejected": { "code": "class", "why": "its class is exact, and the job wants bit-exact" } }, { "route": "method:cutrank", "kind": "local", "method": "cutrank", "class": "exact", "host_dependent": false, "auto_rank": 50, "price": null, "outcome": "rejected", "rejected": { "code": "class", "why": "its class is exact, and the job wants bit-exact" } }, { "route": "method:cutrank_single", "kind": "local", "method": "cutrank_single", "class": "single", "host_dependent": true, "auto_rank": null, "price": null, "outcome": "rejected", "rejected": { "code": "class", "why": "its class is single, and the job wants bit-exact" } }, { "route": "method:density_matrix", "kind": "local", "method": "density_matrix", "class": "exact", "host_dependent": false, "auto_rank": null, "price": null, "outcome": "rejected", "rejected": { "code": "class", "why": "its class is exact, and the job wants bit-exact" } }, { "route": "method:trajectories", "kind": "local", "method": "trajectories", "class": "estimate", "host_dependent": false, "auto_rank": null, "price": null, "outcome": "rejected", "rejected": { "code": "class", "why": "its class is estimate, and the job wants bit-exact" } }, { "route": "method:pulse", "kind": "local", "method": "pulse", "class": "bounded", "host_dependent": false, "auto_rank": null, "price": null, "outcome": "rejected", "rejected": { "code": "class", "why": "its class is bounded, and the job wants bit-exact" } } ], "choice": "method:exact", "why": "what auto picks, which meets the contract: the contract names no class, so it keeps auto's (1 of 13 routes meet it)", "stable": { "scope": "digest: what each route that depends on nothing of the host costs, the same for this request and job memory on every host of one engine; choice: whether the route chosen is one of those whatever the host", "routes": [ "method:exact", "method:statevector", "method:stabilizer", "method:pauli", "method:mps", "method:stabilizer_rank", "method:tensor_network", "method:cutrank", "method:density_matrix", "method:trajectories", "method:pulse" ], "digest": "d859d0ec175157bdd2b0e221a569afd4d2d94e347cbd550027c714ab35bdb061", "choice": true }, "kept": { "deadline": { "seconds": 600.0, "elapsed_ms": 0, "kept": true } } }, "energy": { "unmetered": "the command line does not meter a run's energy" }, "receipt": { "alg": "ed25519", "canon": "rfc8785", "key": "197f6b23e16c8532c6abc838facd5ea789be0c76b2920334039bfa8b3d368d61", "digest": "6397742e38ce279d22b434b5432eb585a7e6310776b7cb57bda375d95b96b002", "signature": "926aaea5c187a5ce7755db94cc1b172bb24bff000bd8e3c32b79e58b32dcebb3866d9dcd6e31296d545de25e7e7689da9189fade243bc8d311eb6c35da969208" } } }