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98 changes: 98 additions & 0 deletions
98
runtime/cudaq/platform/default/rest/helpers/braket/BraketExecutor.cpp
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2022 - 2024 NVIDIA Corporation & Affiliates. * | ||
| * All rights reserved. * | ||
| * * | ||
| * This source code and the accompanying materials are made available under * | ||
| * the terms of the Apache License 2.0 which accompanies this distribution. * | ||
| ******************************************************************************/ | ||
|
|
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| #include "BraketExecutor.h" | ||
| #include "BraketServerHelper.h" | ||
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| namespace cudaq { | ||
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| details::future | ||
| BraketExecutor::execute(std::vector<KernelExecution> &codesToExecute) { | ||
| auto braketServerHelper = dynamic_cast<BraketServerHelper *>(serverHelper); | ||
| assert(braketServerHelper); | ||
| braketServerHelper->setShots(shots); | ||
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| auto [dummy1, dummy2, messages] = | ||
| braketServerHelper->createJob(codesToExecute); | ||
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| cudaq::debug("messages[0] = {}", messages[0].dump()); | ||
|
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| auto const &message = messages[0]; | ||
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| CountsDictionary counts; | ||
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| std::string const defaultBucket = defaultBucketFuture.get(); | ||
| std::string const defaultPrefix = "tasks-cudaq"; | ||
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| Aws::Braket::Model::CreateQuantumTaskRequest req; | ||
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| auto config = braketServerHelper->getConfig(); | ||
| cudaq::info("Backend config: {}, shots {}", config, shots); | ||
| config.insert({"shots", std::to_string(shots)}); | ||
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| req.SetAction(message["action"]); | ||
| req.SetDeviceArn(message["deviceArn"]); | ||
| req.SetShots(message["shots"]); | ||
| req.SetOutputS3Bucket(defaultBucket); | ||
| req.SetOutputS3KeyPrefix(defaultPrefix); | ||
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| auto response = braketClient.CreateQuantumTask(req); | ||
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| if (response.IsSuccess()) { | ||
| std::string taskArn = response.GetResult().GetQuantumTaskArn(); | ||
| cudaq::info("Created {}", taskArn); | ||
| Aws::Braket::Model::QuantumTaskStatus taskStatus; | ||
| Aws::Braket::Model::GetQuantumTaskRequest getTaskReq; | ||
| getTaskReq.SetQuantumTaskArn(taskArn); | ||
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| auto r = braketClient.GetQuantumTask(getTaskReq); | ||
| do { | ||
| std::this_thread::sleep_for(std::chrono::milliseconds{100}); | ||
| r = braketClient.GetQuantumTask(getTaskReq); | ||
| taskStatus = r.GetResult().GetStatus(); | ||
| } while (taskStatus != Aws::Braket::Model::QuantumTaskStatus::COMPLETED && | ||
| taskStatus != Aws::Braket::Model::QuantumTaskStatus::FAILED && | ||
| taskStatus != Aws::Braket::Model::QuantumTaskStatus::CANCELLED); | ||
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| std::string outBucket = r.GetResult().GetOutputS3Bucket(); | ||
| std::string outPrefix = r.GetResult().GetOutputS3Directory(); | ||
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| cudaq::info("results at {}/{}", outBucket, outPrefix); | ||
| Aws::S3Crt::Model::GetObjectRequest resultRequest; | ||
| resultRequest.SetBucket(outBucket); | ||
| resultRequest.SetKey(fmt::format("{}/results.json", outPrefix)); | ||
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| auto results = s3Client.GetObject(resultRequest); | ||
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| auto parsedResult = | ||
| nlohmann::json::parse(results.GetResultWithOwnership().GetBody()); | ||
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| auto measurements = parsedResult.at("measurements"); | ||
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| for (auto const &m : measurements) { | ||
| std::string bitString = ""; | ||
| for (int bit : m) { | ||
| bitString += std::to_string(bit); | ||
| } | ||
| counts[bitString] += 1; | ||
| } | ||
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| } else { | ||
| std::cout << "Create error\n" << response.GetError() << "\n"; | ||
| } | ||
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| ExecutionResult ex_r{counts}; | ||
| sample_result result{ex_r}; | ||
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| std::promise<sample_result> p; | ||
| p.set_value(result); | ||
| return {p.get_future()}; | ||
| }; | ||
| } // namespace cudaq | ||
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| CUDAQ_REGISTER_TYPE(cudaq::Executor, cudaq::BraketExecutor, braket); |
106 changes: 106 additions & 0 deletions
106
runtime/cudaq/platform/default/rest/helpers/braket/BraketExecutor.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2022 - 2024 NVIDIA Corporation & Affiliates. * | ||
| * All rights reserved. * | ||
| * * | ||
| * This source code and the accompanying materials are made available under * | ||
| * the terms of the Apache License 2.0 which accompanies this distribution. * | ||
| ******************************************************************************/ | ||
|
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||
| #pragma once | ||
| #include "common/Executor.h" | ||
| #include "common/FmtCore.h" | ||
| #include "common/MeasureCounts.h" | ||
| #include "cudaq.h" | ||
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| #include <chrono> | ||
| #include <iostream> | ||
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| #include <aws/core/Aws.h> | ||
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| #include <aws/braket/BraketClient.h> | ||
| #include <aws/braket/model/CreateQuantumTaskRequest.h> | ||
| #include <aws/braket/model/GetQuantumTaskRequest.h> | ||
| #include <aws/braket/model/QuantumTaskStatus.h> | ||
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| #include <aws/sts/STSClient.h> | ||
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| #include <aws/s3-crt/S3CrtClient.h> | ||
| #include <aws/s3-crt/model/GetObjectRequest.h> | ||
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| #include <aws/core/utils/logging/AWSLogging.h> | ||
| #include <aws/core/utils/logging/ConsoleLogSystem.h> | ||
| #include <aws/core/utils/logging/LogLevel.h> | ||
|
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| #include "BraketServerHelper.h" | ||
| #include "common/Logger.h" | ||
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| #include <nlohmann/json.hpp> | ||
| #include <regex> | ||
| #include <string> | ||
| #include <thread> | ||
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| namespace cudaq { | ||
| /// @brief The Executor subclass for Amazon Braket | ||
| class BraketExecutor : public Executor { | ||
| Aws::SDKOptions options; | ||
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| std::string region; | ||
| std::string accountId; | ||
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| class ScopedApi { | ||
| Aws::SDKOptions &options; | ||
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| public: | ||
| ScopedApi(Aws::SDKOptions &options) : options(options) { | ||
| Aws::InitAPI(options); | ||
| } | ||
| ~ScopedApi() { Aws::ShutdownAPI(options); } | ||
| }; | ||
|
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| ScopedApi api; | ||
| Aws::Braket::BraketClient braketClient; | ||
| Aws::STS::STSClient stsClient; | ||
| Aws::S3Crt::S3CrtClient s3Client; | ||
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| std::future<std::string> defaultBucketFuture; | ||
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| static auto getClientConfig() { | ||
| Aws::Client::ClientConfiguration clientConfig; | ||
| clientConfig.verifySSL = false; | ||
| return clientConfig; | ||
| } | ||
|
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| static auto getS3ClientConfig() { | ||
| Aws::S3Crt::ClientConfiguration clientConfig; | ||
| clientConfig.verifySSL = false; | ||
| return clientConfig; | ||
| } | ||
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| public: | ||
| BraketExecutor() | ||
| : api(options), braketClient(getClientConfig()), | ||
| stsClient(getClientConfig()), s3Client(getS3ClientConfig()) { | ||
| cudaq::debug("Creating BraketExecutor"); | ||
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| defaultBucketFuture = std::async(std::launch::async, [&] { | ||
| auto response = stsClient.GetCallerIdentity(); | ||
| std::string bucketName; | ||
| if (response.IsSuccess()) { | ||
| bucketName = | ||
| fmt::format("amazon-braket-{}-{}", getClientConfig().region, | ||
| response.GetResult().GetAccount()); | ||
| cudaq::info("Task results will use S3 bucket \"{}\"", bucketName); | ||
| return bucketName; | ||
| } else { | ||
| throw response.GetError(); | ||
| } | ||
| }); | ||
| } | ||
|
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| ~BraketExecutor() = default; | ||
|
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| /// @brief Execute the provided Braket task | ||
| details::future | ||
| execute(std::vector<KernelExecution> &codesToExecute) override; | ||
| }; | ||
| } // namespace cudaq |
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