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server helper to query pass pipeline #7

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Merged
Parent: Add readout error as a noise channel
merged 1 commit into from
Nov 4, 2024
Merged

server helper to query pass pipeline #7

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30 changes: 29 additions & 1 deletion runtime/cudaq/platform/default/rest/helpers/equal1/Equal1ServerHelper.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -8,10 +8,13 @@
#include "common/Logger.h"
#include "common/MeasureCounts.h"
#include "common/ServerHelper.h"
#include "common/RestClient.h"

#include "cudaq/utils/cudaq_utils.h"

#include "nlohmann/json.hpp"

#include <filesystem>
#include <llvm/ADT/StringRef.h>

#include <cstdlib>
Expand Down Expand Up @@ -45,11 +48,18 @@ class Equal1ServerHelper : public ServerHelper {

cudaq::sample_result processResults(ServerMessage &postJobResponse, std::string &jobId) override;

void updatePassPipeline(const std::filesystem::path &platformPath,
std::string &passPipeline) override;
private:

std::string equal1ServerURL;
std::string machine;
std::string optimizationLevel;

std::string devicePassPipeline;

RestClient client;

inline std::optional<std::string> getEnv(llvm::StringRef envVar) const {
const char* val = std::getenv(envVar.data());
if(!val)
Expand All @@ -70,8 +80,19 @@ class Equal1ServerHelper : public ServerHelper {

return defaultValue;
}

std::string queryPassPipeline();
};


std::string Equal1ServerHelper::queryPassPipeline() {
auto headers = getHeaders();
auto deviceProperties = client.get(equal1ServerURL, "devices/" + machine,
headers);

return deviceProperties["passPipeline"].get<std::string>();
}

void Equal1ServerHelper::initialize(BackendConfig config) {
cudaq::debug("{}ServerHelper::initialize", name());

Expand All @@ -82,12 +103,14 @@ void Equal1ServerHelper::initialize(BackendConfig config) {
if(!equal1ServerURL.ends_with("/"))
equal1ServerURL += "/";

machine = getConfig("EQUAL1_TARGET_MACHINE", "machine", "default");
machine = getConfig("EQUAL1_TARGET_MACHINE", "machine", "beta2");
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Why is the machine hardcoded here? Isn't there a way to set it like we set the target backend?

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well, we can set it either from the global config (passed from user) or override it from environment

That line just sets "beta2" as a default value


optimizationLevel = getConfig("EQUAL1_OPTIMIZATION_LEVEL", "opt", "1");

parseConfigForCommonParams(config);

devicePassPipeline = queryPassPipeline();

return;
}

Expand Down Expand Up @@ -167,6 +190,11 @@ cudaq::sample_result Equal1ServerHelper::processResults(ServerMessage &getJobRes
return sample;
};

void Equal1ServerHelper::updatePassPipeline(const std::filesystem::path&, std::string &passPipeline) {
passPipeline += "," + devicePassPipeline;
return;
}

} // namespace cudaq

// Register the Equal1 server helper in the CUDA-Q server helper factory
Expand Down
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