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/*
* Copyright (C) 2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/command_stream/host_function_worker_interface.h"
#include "shared/source/command_stream/host_function.h"
#include "shared/source/utilities/wait_util.h"
#include <chrono>
#include <type_traits>
namespace NEO {
HostFunctionSingleWorker::HostFunctionSingleWorker(bool skipHostFunctionExecution)
: HostFunctionWorker(skipHostFunctionExecution) {
}
HostFunctionSingleWorker::~HostFunctionSingleWorker() = default;
void HostFunctionSingleWorker::processNextHostFunction(std::stop_token st) noexcept {
if (skipHostFunctionExecution == false) {
auto hostFunctionId = waitUntilHostFunctionIsReady(st);
if (hostFunctionId != HostFunctionStatus::completed) {
auto hostFunction = streamer->getHostFunction(hostFunctionId);
streamer->prepareForExecution(hostFunction);
hostFunction.invoke();
streamer->signalHostFunctionCompletion(hostFunction);
}
}
}
uint64_t HostFunctionSingleWorker::waitUntilHostFunctionIsReady(std::stop_token st) noexcept {
const auto start = std::chrono::steady_clock::now();
while (true) {
if (st.stop_requested()) {
return HostFunctionStatus::completed;
}
streamer->downloadHostFunctionAllocation();
auto hostFunctionId = streamer->getHostFunctionReadyToExecute();
if (hostFunctionId != HostFunctionStatus::completed) {
return hostFunctionId;
}
auto waitTime = std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::steady_clock::now() - start);
WaitUtils::waitFunctionWithoutPredicate(waitTime.count());
}
}
} // namespace NEO
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