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#include "FWCore/Utilities/interface/Exception.h"
#include "HeterogeneousCore/AlpakaInterface/interface/Backend.h"
#include <algorithm>
#include <array>
namespace {
constexpr const std::array<std::string_view, static_cast<short>(cms::alpakatools::Backend::size)> backendNames = {
{"SerialSync", "CudaAsync", "ROCmAsync", "TbbAsync"}};
}
namespace cms::alpakatools {
Backend toBackend(std::string_view name) {
auto found = std::find(backendNames.begin(), backendNames.end(), name);
if (found == backendNames.end()) {
cms::Exception ex("EnumNotFound");
ex << "Invalid backend name '" << name << "'";
ex.addContext("Calling cms::alpakatools::toBackend()");
throw ex;
}
return static_cast<Backend>(std::distance(backendNames.begin(), found));
}
std::string_view toString(Backend backend) {
auto val = static_cast<unsigned short>(backend);
if (val >= static_cast<unsigned short>(Backend::size)) {
cms::Exception ex("InvalidEnumValue");
ex << "Invalid backend enum value " << val;
ex.addContext("Calling cms::alpakatools::toString()");
throw ex;
}
return backendNames[val];
}
} // namespace cms::alpakatools
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