compute-runtime/shared/source/kernel/local_ids_cache.h

50 lines
1.6 KiB
C++

/*
* Copyright (C) 2022-2023 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/helpers/vec.h"
#include "shared/source/utilities/stackvec.h"
#include <array>
#include <mutex>
namespace NEO {
class GfxCoreHelper;
class LocalIdsCache {
public:
struct LocalIdsCacheEntry {
Vec3<uint16_t> groupSize = {0, 0, 0};
uint8_t *localIdsData = nullptr;
size_t localIdsSize = 0U;
size_t localIdsSizeAllocated = 0U;
size_t accessCounter = 0;
};
LocalIdsCache() = delete;
LocalIdsCache(LocalIdsCache &) = delete;
LocalIdsCache &operator=(const LocalIdsCache &other) = delete;
LocalIdsCache(size_t cacheSize, std::array<uint8_t, 3> wgDimOrder, uint8_t simdSize, uint8_t grfSize, bool usesOnlyImages = false);
~LocalIdsCache();
void setLocalIdsForGroup(const Vec3<uint16_t> &group, void *destination, const GfxCoreHelper &gfxCoreHelper);
size_t getLocalIdsSizeForGroup(const Vec3<uint16_t> &group, const GfxCoreHelper &gfxCoreHelper) const;
size_t getLocalIdsSizePerThread() const;
protected:
void setLocalIdsForEntry(LocalIdsCacheEntry &entry, void *destination);
void commitNewEntry(LocalIdsCacheEntry &entry, const Vec3<uint16_t> &group, const GfxCoreHelper &gfxCoreHelper);
std::unique_lock<std::mutex> lock();
StackVec<LocalIdsCacheEntry, 4> cache;
std::mutex setLocalIdsMutex;
const std::array<uint8_t, 3> wgDimOrder;
const uint32_t localIdsSizePerThread;
const uint8_t grfSize;
const uint8_t simdSize;
const bool usesOnlyImages;
};
} // namespace NEO