Crie um modelo de função Qiskit para simulação hamiltoniana
Este modelo encapsula um fluxo de trabalho para simular a evolução temporal de um estado inicial em relação a um Hamiltoniano baseado em spin definido pelo usuário e retorna um conjunto de valores esperados especificados usando o complemento AQC-Tensor Qiskit.
Esse modelo é estruturado como um padrão Qiskit com as seguintes etapas:
1. Coleta de informações e mapeamento do problema
Esta seção recebe como entrada o Hamiltoniano a ser simulado, um estado inicial na forma de um QuantumCircuit, um conjunto de observáveis para estimar os valores de expectativa e uma especificação de opções para o complemento AQC. Essa etapa valida se todos os dados de entrada necessários estão presentes e se estão no formato correto.
Os argumentos de entrada são então usados para construir os circuitos e operadores quânticos relevantes para o fluxo de trabalho. Um circuito de destino é criado e uma representação do estado do produto da matriz desse circuito é encontrada usando o complemento AQC. Depois disso, um circuito ansatz é gerado e otimizado usando métodos de rede tensorial, produzindo um circuito final que executa o restante da evolução temporal.
2. Prepare os circuitos gerados para execução
Os circuitos gerados pelo complemento AQC são então transpilados para execução em um backend escolhido. Uma instância EstimatorV2 é criada com um conjunto padrão de opções de atenuação de erros para gerenciar a execução do circuito.
3. Execução
Por fim, o circuito ansatz é transpilado e executado em uma QPU e coleta estimativas para todos os valores de expectativa especificados, que são retornados em um formato serializável para acesso pelo usuário.
Escreva o modelo da função
Primeiro, escreva um modelo de função para simulação hamiltoniana que utilize o complemento AQC-Tensor Qiskit para mapear a descrição do problema para um circuito de profundidade reduzida para execução em hardware.
Se você baixar esta página e a visualizar localmente em um editor de blocos de notas, verá que algumas das células de código contêm o comando mágico %%writefile. Este comando mágico salva o código em ./source_files/template_hamiltonian_simulation.py, que é o modelo de função que você pode enviar para o e executar remotamente usando Qiskit Serverless.
Coletar e validar as entradas
Comece obtendo as entradas para o modelo. Esse exemplo tem entradas específicas do domínio relevantes para a simulação hamiltoniana (como o hamiltoniano e o observável) e opções específicas do recurso (como o quanto você deseja comprimir as camadas iniciais do circuito de Trotter usando o AQC-Tensor ou opções avançadas para o ajuste fino da supressão e atenuação de erros além dos padrões que fazem parte deste exemplo).
from qiskit import QuantumCircuit
from qiskit_serverless import get_arguments, save_result
# Extract parameters from arguments
#
# Do this at the top of the program so it fails early if any required arguments
# are missing or invalid.
arguments = get_arguments()
dry_run = arguments.get("dry_run", False)
backend_name = arguments["backend_name"]
aqc_evolution_time = arguments["aqc_evolution_time"]
aqc_ansatz_num_trotter_steps = arguments["aqc_ansatz_num_trotter_steps"]
aqc_target_num_trotter_steps = arguments["aqc_target_num_trotter_steps"]
remainder_evolution_time = arguments["remainder_evolution_time"]
remainder_num_trotter_steps = arguments["remainder_num_trotter_steps"]
# Stop if this fidelity is achieved
aqc_stopping_fidelity = arguments.get("aqc_stopping_fidelity", 1.0)
# Stop after this number of iterations, even if stopping fidelity is not achieved
aqc_max_iterations = arguments.get("aqc_max_iterations", 500)
hamiltonian = arguments["hamiltonian"]
observable = arguments["observable"]
initial_state = arguments.get("initial_state",
QuantumCircuit(hamiltonian.num_qubits))import numpy as np
import json
from mergedeep import merge
# Configure `EstimatorOptions`, to control the parameters
# of the hardware experiment
#
# Set default options
estimator_default_options = {
"resilience": {
"measure_mitigation": True,
"zne_mitigation": True,
"zne": {
"amplifier": "gate_folding",
"noise_factors": [1, 2, 3],
"extrapolated_noise_factors": list(np.linspace(0, 3, 31)),
"extrapolator": ["exponential", "linear", "fallback"],
},
"measure_noise_learning": {
"num_randomizations": 512,
"shots_per_randomization": 512,
},
},
"twirling": {
"enable_gates": True,
"enable_measure": True,
"num_randomizations": 300,
"shots_per_randomization": 100,
"strategy": "active",
},
}
# Merge with user-provided options
estimator_options = merge(
arguments.get("estimator_options", {}), estimator_default_options
)Quando o modelo de função está em execução, é útil retornar informações nos logs usando instruções de impressão, para que você possa avaliar melhor o progresso da carga de trabalho. A seguir, um exemplo simples de impressão do site estimator_options para que haja um registro das opções reais do Estimator usadas. Há muitos outros exemplos semelhantes em todo o programa para informar o progresso durante a execução, incluindo o valor da função objetiva durante o componente iterativo do AQC-Tensor e a profundidade de dois qubits do circuito final da arquitetura do conjunto de instruções (ISA) destinado à execução no hardware.
print("estimator_options =", json.dumps(estimator_options, indent=4))Valide as entradas
Um aspecto importante para garantir que o modelo possa ser reutilizado em uma variedade de entradas é a validação de entrada. O código a seguir é um exemplo de verificação de que a fidelidade de parada durante o AQC-Tensor foi especificada adequadamente e, caso contrário, retorna uma mensagem de erro informativa sobre como corrigir o erro.
# Perform parameter validation
if not 0.0 < aqc_stopping_fidelity <= 1.0:
raise ValueError(
f"Invalid stopping fidelity: {aqc_stopping_fidelity}. "
f"It must be a positive float no greater than 1."
)Prepare as saídas da função
Primeiro, prepare um dicionário para armazenar todas as saídas do modelo de função. As chaves serão adicionadas a esse dicionário durante todo o fluxo de trabalho, e ele será retornado no final do programa.
output = {}Mapeie o problema e pré-processe o circuito com AQC
A otimização do AQC-Tensor ocorre na etapa 1 de um padrão Qiskit. Primeiro, um estado-alvo é construído. Neste exemplo, ele é construído a partir de um circuito-alvo que evolui o mesmo Hamiltoniano para o mesmo período de tempo que a parte AQC. Em seguida, um ansatz é gerado a partir de um circuito equivalente, mas com menos etapas de Trotter. Na parte principal do algoritmo AQC, esse ansatz é iterativamente aproximado do estado-alvo. Por fim, o resultado é combinado com o restante das etapas de Trotter necessárias para atingir o tempo de evolução desejado.
Observe os exemplos adicionais de registro incorporados no código a seguir.
import os
os.environ["NUMBA_CACHE_DIR"] = "/data"
import datetime
import quimb.tensor
from scipy.optimize import OptimizeResult, minimize
from qiskit.synthesis import SuzukiTrotter
from qiskit_addon_utils.problem_generators import generate_time_evolution_circuit
from qiskit_addon_aqc_tensor.ansatz_generation import (
generate_ansatz_from_circuit,
AnsatzBlock,
)
from qiskit_addon_aqc_tensor.simulation import (
tensornetwork_from_circuit,
compute_overlap,
)
from qiskit_addon_aqc_tensor.simulation.quimb import QuimbSimulator
from qiskit_addon_aqc_tensor.objective import OneMinusFidelity
print("Hamiltonian:", hamiltonian)
print("Observable:", observable)
simulator_settings = QuimbSimulator(quimb.tensor.CircuitMPS, autodiff_backend="jax")
# Construct the AQC target circuit
aqc_target_circuit = initial_state.copy()
if aqc_evolution_time:
aqc_target_circuit.compose(
generate_time_evolution_circuit(
hamiltonian,
synthesis=SuzukiTrotter(reps=aqc_target_num_trotter_steps),
time=aqc_evolution_time,
),
inplace=True,
)
# Construct matrix-product state representation of the AQC target state
aqc_target_mps = tensornetwork_from_circuit(aqc_target_circuit, simulator_settings)
print("Target MPS maximum bond dimension:", aqc_target_mps.psi.max_bond())
output["target_bond_dimension"] = aqc_target_mps.psi.max_bond()
# Generate an ansatz and initial parameters from a Trotter circuit with fewer steps
aqc_good_circuit = initial_state.copy()
if aqc_evolution_time:
aqc_good_circuit.compose(
generate_time_evolution_circuit(
hamiltonian,
synthesis=SuzukiTrotter(reps=aqc_ansatz_num_trotter_steps),
time=aqc_evolution_time,
),
inplace=True,
)
aqc_ansatz, aqc_initial_parameters = generate_ansatz_from_circuit(aqc_good_circuit)
print("Number of AQC parameters:", len(aqc_initial_parameters))
output["num_aqc_parameters"] = len(aqc_initial_parameters)
# Calculate the fidelity of ansatz circuit vs. the target state, before optimization
good_mps = tensornetwork_from_circuit(aqc_good_circuit, simulator_settings)
starting_fidelity = abs(compute_overlap(good_mps, aqc_target_mps)) ** 2
print("Starting fidelity of AQC portion:", starting_fidelity)
output["aqc_starting_fidelity"] = starting_fidelity
# Optimize the ansatz parameters by using MPS calculations
def callback(intermediate_result: OptimizeResult):
fidelity = 1 - intermediate_result.fun
print(f"{datetime.datetime.now()} Intermediate result: Fidelity {fidelity:.8f}")
if intermediate_result.fun < stopping_point:
raise StopIteration
objective = OneMinusFidelity(aqc_target_mps, aqc_ansatz, simulator_settings)
stopping_point = 1.0 - aqc_stopping_fidelity
result = minimize(
objective,
aqc_initial_parameters,
method="L-BFGS-B",
jac=True,
options={"maxiter": aqc_max_iterations},
callback=callback,
)
if result.status not in (
0,
1,
99,
): # 0 => success; 1 => max iterations reached;
# 99 => early termination via StopIteration
raise RuntimeError(
f"Optimization failed: {result.message} (status={result.status})"
)
print(f"Done after {result.nit} iterations.")
output["num_iterations"] = result.nit
aqc_final_parameters = result.x
output["aqc_final_parameters"] = list(aqc_final_parameters)
# Construct an optimized circuit for initial portion of time evolution
aqc_final_circuit = aqc_ansatz.assign_parameters(aqc_final_parameters)
# Calculate fidelity after optimization
aqc_final_mps = tensornetwork_from_circuit(aqc_final_circuit, simulator_settings)
aqc_fidelity = abs(compute_overlap(aqc_final_mps, aqc_target_mps)) ** 2
print("Fidelity of AQC portion:", aqc_fidelity)
output["aqc_fidelity"] = aqc_fidelity
# Construct final circuit, with remainder of time evolution
final_circuit = aqc_final_circuit.copy()
if remainder_evolution_time:
remainder_circuit = generate_time_evolution_circuit(
hamiltonian,
synthesis=SuzukiTrotter(reps=remainder_num_trotter_steps),
time=remainder_evolution_time,
)
final_circuit.compose(remainder_circuit, inplace=True)Otimize o circuito final para execução
Após a parte AQC do fluxo de trabalho, o final_circuit é transpilado para o hardware como de costume.
from qiskit_ibm_runtime import QiskitRuntimeService
from qiskit.transpiler import generate_preset_pass_manager
service = QiskitRuntimeService()
backend = service.backend(backend_name)
# Transpile PUBs (circuits and observables) to match ISA
pass_manager = generate_preset_pass_manager(backend=backend, optimization_level=3)
isa_circuit = pass_manager.run(final_circuit)
isa_observable = observable.apply_layout(isa_circuit.layout)
isa_2qubit_depth = isa_circuit.depth(lambda x: x.operation.num_qubits == 2)
print("ISA circuit two-qubit depth:", isa_2qubit_depth)
output["twoqubit_depth"] = isa_2qubit_depthSaia antecipadamente se estiver usando o modo de execução em seco
Se o modo de execução a seco tiver sido selecionado, o programa será interrompido antes de ser executado no hardware. Isso pode ser útil se, por exemplo, você quiser primeiro inspecionar a profundidade de dois qubits do circuito ISA antes de decidir executar no hardware.
# Exit now if dry run; don't execute on hardware
if dry_run:
import sys
print("Exiting before hardware execution since `dry_run` is True.")
save_result(output)
sys.exit(0)Execute o circuito no hardware
# ## Step 3: Execute quantum experiments on backend
from qiskit_ibm_runtime import EstimatorV2 as Estimator
estimator = Estimator(backend, options=estimator_options)
# Submit the underlying Estimator job. Note that this is not the
# actual function job.
job = estimator.run([(isa_circuit, isa_observable)])
print("Job ID:", job.job_id())
output["job_id"] = job.job_id()
# Wait until job is complete
hw_results = job.result()
hw_results_dicts = [pub_result.data.__dict__ for pub_result in hw_results]
# Save hardware results to serverless output dictionary
output["hw_results"] = hw_results_dicts
# Reorganize expectation values
hw_expvals = [pub_result_data["evs"].tolist()
for pub_result_data in hw_results_dicts]
# Save expectation values to Qiskit Serverless
print("Hardware expectation values", hw_expvals)
output["hw_expvals"] = hw_expvals[0]Salve a saída
Esse modelo de função retorna o resultado relevante em nível de domínio para esse fluxo de trabalho de simulação hamiltoniana (valores de expectativa), além de metadados importantes gerados ao longo do caminho.
save_result(output)Implemente a função em IBM Quantum Platform
A seção anterior criou um programa para ser executado remotamente. O código nesta seção faz o upload desse programa para o Qiskit Serverless.
Use qiskit-ibm-catalog para se autenticar em QiskitServerless com sua chave de API, que pode ser encontrada no painel da IBM Quantum Platform, e faça o upload do programa.
Opcionalmente, você pode usar save_account() para salvar suas credenciais (consulte o guia Configurar sua conta IBM Cloud ). Observe que isso grava suas credenciais no mesmo arquivo que QiskitRuntimeService.save_account().
from qiskit_ibm_catalog import QiskitServerless, QiskitFunction
# Authenticate to the remote cluster and submit the pattern
# for remote execution
serverless = QiskitServerless()Esse programa tem dependências personalizadas do site pip . Adicione-os a uma matriz dependencies ao criar a instância QiskitFunction :
template = QiskitFunction(
title="template_hamiltonian_simulation",
entrypoint="template_hamiltonian_simulation.py",
working_dir="./source_files/",
dependencies=[
"qiskit-addon-utils~=0.1.0",
"qiskit-addon-aqc-tensor[quimb-jax]~=0.1.2",
"mergedeep==1.3.4",
],
)serverless.upload(template)Output:
QiskitFunction(template_hamiltonian_simulation)
Por fim, verifique se o upload do programa foi bem-sucedido, use serverless.list():
serverless.list()Output:
QiskitFunction(template_hamiltonian_simulation),
Execute o modelo de função remotamente
O modelo de função foi carregado, para que você possa executá-lo remotamente com o Qiskit Serverless. Primeiro, carregue o modelo pelo nome:
template = serverless.load("template_hamiltonian_simulation")Em seguida, execute o modelo com as entradas em nível de domínio para a simulação hamiltoniana. Esse exemplo especifica um modelo XXZ de 50 qubits com acoplamentos aleatórios e um estado inicial e observável.
from itertools import chain
import numpy as np
from qiskit.quantum_info import SparsePauliOp
L = 50
# Generate the edge list for this spin-chain
edges = [(i, i + 1) for i in range(L - 1)]
# Generate an edge-coloring so we can make hw-efficient circuits
edges = edges[::2] + edges[1::2]
# Generate random coefficients for our XXZ Hamiltonian
np.random.seed(0)
Js = np.random.rand(L - 1) + 0.5 * np.ones(L - 1)
hamiltonian = SparsePauliOp.from_sparse_list(
chain.from_iterable(
[
[
("XX", (i, j), Js[i] / 2),
("YY", (i, j), Js[i] / 2),
("ZZ", (i, j), Js[i]),
]
for i, j in edges
]
),
num_qubits=L,
)
observable = SparsePauliOp.from_sparse_list(
[("ZZ", (L // 2 - 1, L // 2), 1.0)], num_qubits=L
)from qiskit import QuantumCircuit
initial_state = QuantumCircuit(L)
for i in range(L):
if i % 2:
initial_state.x(i)job = template.run(
dry_run=True,
initial_state=initial_state,
hamiltonian=hamiltonian,
observable=observable,
backend_name="ibm_fez",
estimator_options={},
aqc_evolution_time=0.2,
aqc_ansatz_num_trotter_steps=1,
aqc_target_num_trotter_steps=32,
remainder_evolution_time=0.2,
remainder_num_trotter_steps=4,
aqc_max_iterations=300,
)
print(job.job_id)Output:
853b0edb-d63f-4629-be71-398b6dcf33cb
Verifique o status do trabalho:
job.status()Output:
'QUEUED'
Depois que o trabalho estiver em execução, você poderá buscar os logs criados a partir das saídas do print() . Eles podem fornecer informações acionáveis sobre o progresso do fluxo de trabalho da simulação hamiltoniana. Por exemplo, o valor da função objetiva durante o componente iterativo do AQC ou a profundidade de dois qubits do circuito ISA final destinado à execução no hardware.
print(job.logs())Output:
No logs yet.
Bloqueia o restante do programa até que um resultado esteja disponível. Depois que o trabalho for concluído, você poderá recuperar os resultados. Isso inclui o resultado em nível de domínio da simulação hamiltoniana (valor de expectativa) e metadados úteis.
result = job.result()
del result[
"aqc_final_parameters"
] # the list is too long to conveniently display here
resultOutput:
{'target_bond_dimension': 5,
'num_aqc_parameters': 816,
'aqc_starting_fidelity': 0.9914382555614002,
'num_iterations': 72,
'aqc_fidelity': 0.9998108844412502,
'twoqubit_depth': 33}
Depois que o trabalho for concluído, toda a saída de registro estará disponível.
print(job.logs())Output:
2024-12-17 14:50:15,580 INFO job_manager.py:531 -- Runtime env is setting up.
estimator_options = {
"resilience": {
"measure_mitigation": true,
"zne_mitigation": true,
"zne": {
"amplifier": "gate_folding",
"noise_factors": [
1,
2,
3
],
"extrapolated_noise_factors": [
0.0,
0.1,
0.2,
0.30000000000000004,
0.4,
0.5,
0.6000000000000001,
0.7000000000000001,
0.8,
0.9,
1.0,
1.1,
1.2000000000000002,
1.3,
1.4000000000000001,
1.5,
1.6,
1.7000000000000002,
1.8,
1.9000000000000001,
2.0,
2.1,
2.2,
2.3000000000000003,
2.4000000000000004,
2.5,
2.6,
2.7,
2.8000000000000003,
2.9000000000000004,
3.0
],
"extrapolator": [
"exponential",
"linear",
"fallback"
]
},
"measure_noise_learning": {
"num_randomizations": 512,
"shots_per_randomization": 512
}
},
"twirling": {
"enable_gates": true,
"enable_measure": true,
"num_randomizations": 300,
"shots_per_randomization": 100,
"strategy": "active"
}
}
Hamiltonian: SparsePauliOp(['IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXX', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYY', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZ', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'XXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'YYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'ZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXI', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYI', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZI', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IIIZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IXXIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IYYIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII', 'IZZIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII'],
coeffs=[0.52440675+0.j, 0.52440675+0.j, 1.0488135 +0.j, 0.55138169+0.j,
0.55138169+0.j, 1.10276338+0.j, 0.4618274 +0.j, 0.4618274 +0.j,
0.9236548 +0.j, 0.46879361+0.j, 0.46879361+0.j, 0.93758721+0.j,
0.73183138+0.j, 0.73183138+0.j, 1.46366276+0.j, 0.64586252+0.j,
0.64586252+0.j, 1.29172504+0.j, 0.53402228+0.j, 0.53402228+0.j,
1.06804456+0.j, 0.28551803+0.j, 0.28551803+0.j, 0.57103606+0.j,
0.2601092 +0.j, 0.2601092 +0.j, 0.5202184 +0.j, 0.63907838+0.j,
0.63907838+0.j, 1.27815675+0.j, 0.73930917+0.j, 0.73930917+0.j,
1.47861834+0.j, 0.48073968+0.j, 0.48073968+0.j, 0.96147936+0.j,
0.30913721+0.j, 0.30913721+0.j, 0.61827443+0.j, 0.32167664+0.j,
0.32167664+0.j, 0.64335329+0.j, 0.51092416+0.j, 0.51092416+0.j,
1.02184832+0.j, 0.38227781+0.j, 0.38227781+0.j, 0.76455561+0.j,
0.47807517+0.j, 0.47807517+0.j, 0.95615033+0.j, 0.2593949 +0.j,
0.2593949 +0.j, 0.5187898 +0.j, 0.55604786+0.j, 0.55604786+0.j,
1.11209572+0.j, 0.72187404+0.j, 0.72187404+0.j, 1.44374808+0.j,
0.42975395+0.j, 0.42975395+0.j, 0.8595079 +0.j, 0.5988156 +0.j,
0.5988156 +0.j, 1.1976312 +0.j, 0.58338336+0.j, 0.58338336+0.j,
1.16676672+0.j, 0.35519128+0.j, 0.35519128+0.j, 0.71038256+0.j,
0.40771418+0.j, 0.40771418+0.j, 0.81542835+0.j, 0.60759468+0.j,
0.60759468+0.j, 1.21518937+0.j, 0.52244159+0.j, 0.52244159+0.j,
1.04488318+0.j, 0.57294706+0.j, 0.57294706+0.j, 1.14589411+0.j,
0.6958865 +0.j, 0.6958865 +0.j, 1.391773 +0.j, 0.44172076+0.j,
0.44172076+0.j, 0.88344152+0.j, 0.51444746+0.j, 0.51444746+0.j,
1.02889492+0.j, 0.71279832+0.j, 0.71279832+0.j, 1.42559664+0.j,
0.29356465+0.j, 0.29356465+0.j, 0.5871293 +0.j, 0.66630992+0.j,
0.66630992+0.j, 1.33261985+0.j, 0.68500607+0.j, 0.68500607+0.j,
1.37001215+0.j, 0.64957928+0.j, 0.64957928+0.j, 1.29915856+0.j,
0.64026459+0.j, 0.64026459+0.j, 1.28052918+0.j, 0.56996051+0.j,
0.56996051+0.j, 1.13992102+0.j, 0.72233446+0.j, 0.72233446+0.j,
1.44466892+0.j, 0.45733097+0.j, 0.45733097+0.j, 0.91466194+0.j,
0.63711684+0.j, 0.63711684+0.j, 1.27423369+0.j, 0.53421697+0.j,
0.53421697+0.j, 1.06843395+0.j, 0.55881775+0.j, 0.55881775+0.j,
1.1176355 +0.j, 0.558467 +0.j, 0.558467 +0.j, 1.116934 +0.j,
0.59091015+0.j, 0.59091015+0.j, 1.1818203 +0.j, 0.46851598+0.j,
0.46851598+0.j, 0.93703195+0.j, 0.28011274+0.j, 0.28011274+0.j,
0.56022547+0.j, 0.58531893+0.j, 0.58531893+0.j, 1.17063787+0.j,
0.31446315+0.j, 0.31446315+0.j, 0.6289263 +0.j])
Observable: SparsePauliOp(['IIIIIIIIIIIIIIIIIIIIIIIIZZIIIIIIIIIIIIIIIIIIIIIIII'],
coeffs=[1.+0.j])
Target MPS maximum bond dimension: 5
Number of AQC parameters: 816
Starting fidelity of AQC portion: 0.9914382555614002
2024-12-17 14:52:23.400028 Intermediate result: Fidelity 0.99764093
2024-12-17 14:52:23.429669 Intermediate result: Fidelity 0.99788003
2024-12-17 14:52:23.459674 Intermediate result: Fidelity 0.99795970
2024-12-17 14:52:23.489666 Intermediate result: Fidelity 0.99799067
2024-12-17 14:52:23.518545 Intermediate result: Fidelity 0.99803401
2024-12-17 14:52:23.546952 Intermediate result: Fidelity 0.99809821
2024-12-17 14:52:23.575271 Intermediate result: Fidelity 0.99824660
2024-12-17 14:52:23.604049 Intermediate result: Fidelity 0.99845326
2024-12-17 14:52:23.632709 Intermediate result: Fidelity 0.99870497
2024-12-17 14:52:23.660527 Intermediate result: Fidelity 0.99891442
2024-12-17 14:52:23.688273 Intermediate result: Fidelity 0.99904488
2024-12-17 14:52:23.716105 Intermediate result: Fidelity 0.99914438
2024-12-17 14:52:23.744336 Intermediate result: Fidelity 0.99922827
2024-12-17 14:52:23.773399 Intermediate result: Fidelity 0.99929071
2024-12-17 14:52:23.801482 Intermediate result: Fidelity 0.99932432
2024-12-17 14:52:23.830466 Intermediate result: Fidelity 0.99936460
2024-12-17 14:52:23.860738 Intermediate result: Fidelity 0.99938891
2024-12-17 14:52:23.889958 Intermediate result: Fidelity 0.99940607
2024-12-17 14:52:23.918703 Intermediate result: Fidelity 0.99941965
2024-12-17 14:52:23.949744 Intermediate result: Fidelity 0.99944337
2024-12-17 14:52:23.980871 Intermediate result: Fidelity 0.99946875
2024-12-17 14:52:24.012124 Intermediate result: Fidelity 0.99949009
2024-12-17 14:52:24.044359 Intermediate result: Fidelity 0.99952191
2024-12-17 14:52:24.075840 Intermediate result: Fidelity 0.99953669
2024-12-17 14:52:24.106303 Intermediate result: Fidelity 0.99955242
2024-12-17 14:52:24.139329 Intermediate result: Fidelity 0.99958412
2024-12-17 14:52:24.169725 Intermediate result: Fidelity 0.99960176
2024-12-17 14:52:24.198749 Intermediate result: Fidelity 0.99961606
2024-12-17 14:52:24.227874 Intermediate result: Fidelity 0.99963811
2024-12-17 14:52:24.256818 Intermediate result: Fidelity 0.99964383
2024-12-17 14:52:24.285889 Intermediate result: Fidelity 0.99964717
2024-12-17 14:52:24.315228 Intermediate result: Fidelity 0.99966064
2024-12-17 14:52:24.345322 Intermediate result: Fidelity 0.99966517
2024-12-17 14:52:24.374921 Intermediate result: Fidelity 0.99967089
2024-12-17 14:52:24.404309 Intermediate result: Fidelity 0.99968305
2024-12-17 14:52:24.432664 Intermediate result: Fidelity 0.99968889
2024-12-17 14:52:24.461639 Intermediate result: Fidelity 0.99969997
2024-12-17 14:52:24.491244 Intermediate result: Fidelity 0.99971666
2024-12-17 14:52:24.520354 Intermediate result: Fidelity 0.99972441
2024-12-17 14:52:24.549965 Intermediate result: Fidelity 0.99973561
2024-12-17 14:52:24.583464 Intermediate result: Fidelity 0.99973811
2024-12-17 14:52:24.617537 Intermediate result: Fidelity 0.99974074
2024-12-17 14:52:24.652247 Intermediate result: Fidelity 0.99974467
2024-12-17 14:52:24.686831 Intermediate result: Fidelity 0.99974991
2024-12-17 14:52:24.725476 Intermediate result: Fidelity 0.99975230
2024-12-17 14:52:24.764637 Intermediate result: Fidelity 0.99975373
2024-12-17 14:52:24.802499 Intermediate result: Fidelity 0.99975552
2024-12-17 14:52:24.839960 Intermediate result: Fidelity 0.99975885
2024-12-17 14:52:24.877472 Intermediate result: Fidelity 0.99976469
2024-12-17 14:52:24.916233 Intermediate result: Fidelity 0.99976517
2024-12-17 14:52:24.993750 Intermediate result: Fidelity 0.99976875
2024-12-17 14:52:25.034953 Intermediate result: Fidelity 0.99976887
2024-12-17 14:52:25.076197 Intermediate result: Fidelity 0.99977244
2024-12-17 14:52:25.112340 Intermediate result: Fidelity 0.99977638
2024-12-17 14:52:25.149947 Intermediate result: Fidelity 0.99977828
2024-12-17 14:52:25.190049 Intermediate result: Fidelity 0.99978174
2024-12-17 14:52:25.310903 Intermediate result: Fidelity 0.99978222
2024-12-17 14:52:25.347512 Intermediate result: Fidelity 0.99978508
2024-12-17 14:52:25.385201 Intermediate result: Fidelity 0.99978543
2024-12-17 14:52:25.457436 Intermediate result: Fidelity 0.99978770
2024-12-17 14:52:25.497133 Intermediate result: Fidelity 0.99978818
2024-12-17 14:52:25.541179 Intermediate result: Fidelity 0.99978913
2024-12-17 14:52:25.584791 Intermediate result: Fidelity 0.99978937
2024-12-17 14:52:25.621484 Intermediate result: Fidelity 0.99979068
2024-12-17 14:52:25.655847 Intermediate result: Fidelity 0.99979211
2024-12-17 14:52:25.691710 Intermediate result: Fidelity 0.99979700
2024-12-17 14:52:25.767711 Intermediate result: Fidelity 0.99979759
2024-12-17 14:52:25.804517 Intermediate result: Fidelity 0.99979807
2024-12-17 14:52:25.839394 Intermediate result: Fidelity 0.99980236
2024-12-17 14:52:25.874438 Intermediate result: Fidelity 0.99980296
2024-12-17 14:52:25.909900 Intermediate result: Fidelity 0.99980320
2024-12-17 14:52:26.713044 Intermediate result: Fidelity 0.99980320
Done after 72 iterations.
Fidelity of AQC portion: 0.9998108844412502
ISA circuit two-qubit depth: 33
Exiting before hardware execution since `dry_run` is True.
Próximas etapas
Para se aprofundar no complemento AQC-Tensor do Qiskit, confira o tutorial Improved Trotterized Time Evolution with Approximate Quantum Compilation ou o repositório qiskit-addon-aqc-tensor.
Aqui está todo o código-fonte do
./source_files/template_hamiltonian_simulation.pycomo um bloco de código../source_files/template_hamiltonian_simulation_full.pyfrom qiskit import QuantumCircuit from qiskit_serverless import get_arguments, save_result # Extract parameters from arguments # # Do this at the top of the program so it fails early # if any required arguments are missing or invalid. arguments = get_arguments() dry_run = arguments.get("dry_run", False) backend_name = arguments["backend_name"] aqc_evolution_time = arguments["aqc_evolution_time"] aqc_ansatz_num_trotter_steps = arguments["aqc_ansatz_num_trotter_steps"] aqc_target_num_trotter_steps = arguments["aqc_target_num_trotter_steps"] remainder_evolution_time = arguments["remainder_evolution_time"] remainder_num_trotter_steps = arguments["remainder_num_trotter_steps"] # Stop if this fidelity is achieved aqc_stopping_fidelity = arguments.get("aqc_stopping_fidelity", 1.0) # Stop after this number of iterations, even if stopping fidelity is not achieved aqc_max_iterations = arguments.get("aqc_max_iterations", 500) hamiltonian = arguments["hamiltonian"] observable = arguments["observable"] initial_state = arguments.get("initial_state", QuantumCircuit(hamiltonian.num_qubits)) import numpy as np import json from mergedeep import merge # Configure `EstimatorOptions` to control the hardware experiment's parameters # # Set default options estimator_default_options = { "resilience": { "measure_mitigation": True, "zne_mitigation": True, "zne": { "amplifier": "gate_folding", "noise_factors": [1, 2, 3], "extrapolated_noise_factors": list(np.linspace(0, 3, 31)), "extrapolator": ["exponential", "linear", "fallback"], }, "measure_noise_learning": { "num_randomizations": 512, "shots_per_randomization": 512, }, }, "twirling": { "enable_gates": True, "enable_measure": True, "num_randomizations": 300, "shots_per_randomization": 100, "strategy": "active", }, } # Merge with user-provided options estimator_options = merge( arguments.get("estimator_options", {}), estimator_default_options ) print("estimator_options =", json.dumps(estimator_options, indent=4)) # Perform parameter validation if not 0.0 < aqc_stopping_fidelity <= 1.0: raise ValueError( f"Invalid stopping fidelity: {aqc_stopping_fidelity}. " It must be a positive float no greater than 1." ) output = {} import os os.environ["NUMBA_CACHE_DIR"] = "/data" import datetime import quimb.tensor from scipy.optimize import OptimizeResult, minimize from qiskit.synthesis import SuzukiTrotter from qiskit_addon_utils.problem_generators import generate_time_evolution_circuit from qiskit_addon_aqc_tensor.ansatz_generation import ( generate_ansatz_from_circuit, AnsatzBlock, ) from qiskit_addon_aqc_tensor.simulation import ( tensornetwork_from_circuit, compute_overlap, ) from qiskit_addon_aqc_tensor.simulation.quimb import QuimbSimulator from qiskit_addon_aqc_tensor.objective import OneMinusFidelity print("Hamiltonian:", hamiltonian) print("Observable:", observable) simulator_settings = QuimbSimulator(quimb.tensor.CircuitMPS, autodiff_backend="jax") # Construct the AQC target circuit aqc_target_circuit = initial_state.copy() if aqc_evolution_time: aqc_target_circuit.compose( generate_time_evolution_circuit( hamiltonian, synthesis=SuzukiTrotter(reps=aqc_target_num_trotter_steps), time=aqc_evolution_time, ), inplace=True, ) # Construct matrix-product state representation of the AQC target state aqc_target_mps = tensornetwork_from_circuit(aqc_target_circuit, simulator_settings) print("Target MPS maximum bond dimension:", aqc_target_mps.psi.max_bond()) output["target_bond_dimension"] = aqc_target_mps.psi.max_bond() # Generate an ansatz and initial parameters from a Trotter circuit with fewer steps aqc_good_circuit = initial_state.copy() if aqc_evolution_time: aqc_good_circuit.compose( generate_time_evolution_circuit( hamiltonian, synthesis=SuzukiTrotter(reps=aqc_ansatz_num_trotter_steps), time=aqc_evolution_time, ), inplace=True, ) aqc_ansatz, aqc_initial_parameters = generate_ansatz_from_circuit(aqc_good_circuit) print("Number of AQC parameters:", len(aqc_initial_parameters)) output["num_aqc_parameters"] = len(aqc_initial_parameters) # Calculate the fidelity of ansatz circuit vs. the target state, before optimization good_mps = tensornetwork_from_circuit(aqc_good_circuit, simulator_settings) starting_fidelity = abs(compute_overlap(good_mps, aqc_target_mps)) ** 2 print("Starting fidelity of AQC portion:", starting_fidelity) output["aqc_starting_fidelity"] = starting_fidelity # Optimize the ansatz parameters by using MPS calculations def callback(intermediate_result: OptimizeResult): fidelity = 1 - intermediate_result.fun print(f"{datetime.datetime.now()} Intermediate result: Fidelity {fidelity:.8f}") if intermediate_result.fun < stopping_point: raise StopIteration objective = OneMinusFidelity(aqc_target_mps, aqc_ansatz, simulator_settings) stopping_point = 1.0 - aqc_stopping_fidelity result = minimize( objective, aqc_initial_parameters, method="L-BFGS-B", jac=True, options={"maxiter": aqc_max_iterations}, callback=callback, ) if result.status not in ( 0, 1, 99, ): # 0 => success; 1 => max iterations reached; 99 => early termination via StopIteration raise RuntimeError( f"Optimization failed: {result.message} (status={result.status})" ) print(f"Done after {result.nit} iterations.") output["num_iterations"] = result.nit aqc_final_parameters = result.x output["aqc_final_parameters"] = list(aqc_final_parameters) # Construct an optimized circuit for initial portion of time evolution aqc_final_circuit = aqc_ansatz.assign_parameters(aqc_final_parameters) # Calculate fidelity after optimization aqc_final_mps = tensornetwork_from_circuit(aqc_final_circuit, simulator_settings) aqc_fidelity = abs(compute_overlap(aqc_final_mps, aqc_target_mps)) ** 2 print("Fidelity of AQC portion:", aqc_fidelity) output["aqc_fidelity"] = aqc_fidelity # Construct final circuit, with remainder of time evolution final_circuit = aqc_final_circuit.copy() if remainder_evolution_time: remainder_circuit = generate_time_evolution_circuit( hamiltonian, synthesis=SuzukiTrotter(reps=remainder_num_trotter_steps), time=remainder_evolution_time, ) final_circuit.compose(remainder_circuit, inplace=True) from qiskit.transpiler import generate_preset_pass_manager from qiskit_ibm_catalog import QiskitFunctionsCatalog service = QiskitRuntimeService() backend = service.backend(backend_name) # Transpile PUBs (circuits and observables) to match ISA pass_manager = generate_preset_pass_manager(backend=backend, optimization_level=3) isa_circuit = pass_manager.run(final_circuit) isa_observable = observable.apply_layout(isa_circuit.layout) isa_2qubit_depth = isa_circuit.depth(lambda x: x.operation.num_qubits == 2) print("ISA circuit two-qubit depth:", isa_2qubit_depth) output["twoqubit_depth"] = isa_2qubit_depth # Exit now if dry run; don't execute on hardware if dry_run: import sys print("Exiting before hardware execution since `dry_run` is True.") save_result(output) sys.exit(0) # ## Step 3: Execute quantum experiments on backend from qiskit_ibm_runtime import EstimatorV2 as Estimator estimator = Estimator(backend, options=estimator_options) # Submit the underlying Estimator job. Note that this is not the # actual function job. job = estimator.run([(isa_circuit, isa_observable)]) print("Job ID:", job.job_id()) output["job_id"] = job.job_id() # Wait until job is complete hw_results = job.result() hw_results_dicts = [pub_result.data.__dict__ for pub_result in hw_results] # Save hardware results to serverless output dictionary output["hw_results"] = hw_results_dicts # Reorganize expectation values hw_expvals = [pub_result_data["evs"].tolist() for pub_result_data in hw_results_dicts] # Save expectation values to Qiskit Serverless output["hw_expvals"] = hw_expvals[0] save_result(output)