compute-runtime/shared/source/compiler_interface/external_functions.h

74 lines
2.5 KiB
C++

/*
* Copyright (C) 2022-2023 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include <cstdint>
#include <string>
#include <unordered_map>
#include <vector>
namespace NEO {
struct KernelDescriptor;
enum ExternalFunctionResolveError : uint32_t {
RESOLVE_SUCCESS = 0,
ERROR_EXTERNAL_FUNCTION_INFO_MISSING,
ERROR_KERNEL_DESCRIPTOR_MISSING,
ERROR_LOOP_DETECTED
};
struct ExternalFunctionInfo {
std::string functionName = "";
uint8_t barrierCount = 0U;
uint16_t numGrfRequired = 0U;
uint8_t simdSize = 0U;
bool hasRTCalls = false;
};
struct ExternalFunctionUsageKernel {
std::string usedFuncName;
std::string kernelName;
};
struct ExternalFunctionUsageExtFunc {
std::string usedFuncName;
std::string callerFuncName;
};
using ExternalFunctionInfosT = std::vector<ExternalFunctionInfo *>;
using KernelDependenciesT = std::vector<const ExternalFunctionUsageKernel *>;
using FunctionDependenciesT = std::vector<const ExternalFunctionUsageExtFunc *>;
using KernelDescriptorMapT = std::unordered_map<std::string, KernelDescriptor *>;
using FuncNameToIdMapT = std::unordered_map<std::string, size_t>;
using DependenciesT = std::vector<std::vector<size_t>>;
using CalledByT = std::vector<std::vector<size_t>>;
class DependencyResolver {
public:
DependencyResolver(const std::vector<std::vector<size_t>> &graph) : graph(graph) {}
std::vector<size_t> resolveDependencies();
protected:
void resolveDependency(size_t nodeId, const std::vector<size_t> &edges);
std::vector<size_t> seen;
std::vector<size_t> resolved;
const std::vector<std::vector<size_t>> &graph;
};
uint32_t resolveExternalDependencies(const ExternalFunctionInfosT &externalFunctionInfos, const KernelDependenciesT &kernelDependencies,
const FunctionDependenciesT &funcDependencies, const KernelDescriptorMapT &nameToKernelDescriptor);
uint32_t getExtFuncDependencies(const FuncNameToIdMapT &funcNameToId, const FunctionDependenciesT &funcDependencies, size_t numExternalFuncs,
DependenciesT &outDependencies, CalledByT &outCalledBy);
uint32_t resolveExtFuncDependencies(const ExternalFunctionInfosT &externalFunctionInfos, const FuncNameToIdMapT &funcNameToId, const FunctionDependenciesT &funcDependencies);
uint32_t resolveKernelDependencies(const ExternalFunctionInfosT &externalFunctionInfos, const FuncNameToIdMapT &funcNameToId, const KernelDependenciesT &kernelDependencies, const KernelDescriptorMapT &nameToKernelDescriptor);
} // namespace NEO