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/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2022 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include "ocl_igc_interface/igc_builtins.h"
#include "ocl_igc_interface/impl/igc_builtins_impl.h"
#include "cif/macros/enable.h"
#include "Probe/Assertion.h"
namespace IGC {
static long getDataTypeSize(CIF_GET_INTERFACE_CLASS(IgcBuiltins, 1)::BuiltinDataType::DataType_t t) {
switch (t) {
case CIF_GET_INTERFACE_CLASS(IgcBuiltins, 1)::BuiltinDataType::uint8_type:
case CIF_GET_INTERFACE_CLASS(IgcBuiltins, 1)::BuiltinDataType::int8_type:
return 8;
case CIF_GET_INTERFACE_CLASS(IgcBuiltins, 1)::BuiltinDataType::uint16_type:
case CIF_GET_INTERFACE_CLASS(IgcBuiltins, 1)::BuiltinDataType::int16_type:
case CIF_GET_INTERFACE_CLASS(IgcBuiltins, 1)::BuiltinDataType::half_type:
return 16;
case CIF_GET_INTERFACE_CLASS(IgcBuiltins, 1)::BuiltinDataType::uint32_type:
case CIF_GET_INTERFACE_CLASS(IgcBuiltins, 1)::BuiltinDataType::int32_type:
case CIF_GET_INTERFACE_CLASS(IgcBuiltins, 1)::BuiltinDataType::float_type:
return 32;
case CIF_GET_INTERFACE_CLASS(IgcBuiltins, 1)::BuiltinDataType::uint64_type:
case CIF_GET_INTERFACE_CLASS(IgcBuiltins, 1)::BuiltinDataType::int64_type:
case CIF_GET_INTERFACE_CLASS(IgcBuiltins, 1)::BuiltinDataType::double_type:
return 64;
default:
return 0;
}
}
bool CIF_GET_INTERFACE_CLASS(IgcBuiltins, 1)::GetBuiltinMemoryRequired(
IGCBuiltinMemoryInfo *memoryInfo, BuiltinAlgorithm::Algorithm_t algorithm, AlgorithmVariant_t variant,
BuiltinMemoryScope::MemoryScope_t scope, long items, long rangeSize, BuiltinDataType::DataType_t keyType,
long valueTypeSizeInBytes) const {
memoryInfo->scope = scope;
memoryInfo->globalMemoryInBytes = -1;
memoryInfo->sharedMemoryInBytes = -1;
memoryInfo->canMemoryBeUsedConcurrently = false;
long keyTypeSizeInBytes = getDataTypeSize(keyType);
if (keyTypeSizeInBytes == 0)
return false;
switch (algorithm) {
case BuiltinAlgorithm::sort:
case BuiltinAlgorithm::clusteredSort:
case BuiltinAlgorithm::clusteredSortedOrdinal: {
const size_t bits_per_pass = 4;
if ((algorithm == BuiltinAlgorithm::clusteredSort || algorithm == BuiltinAlgorithm::clusteredSortedOrdinal) &&
(scope != BuiltinMemoryScope::subGroup)) {
return false;
}
if (scope == BuiltinMemoryScope::subGroup) {
if ((variant != SortAlgorithmVariant::defaultPrivateSort) || (items > 1) ||
((rangeSize != 8) && (rangeSize != 16) && (rangeSize != 32)) || valueTypeSizeInBytes != 0) {
return false;
}
if (keyType == BuiltinDataType::half_type) {
return false;
}
memoryInfo->globalMemoryInBytes = 0;
memoryInfo->sharedMemoryInBytes = 0;
return true;
} else // WorkGroup Sort
{
memoryInfo->sharedMemoryInBytes = 0;
long totalItems = 0;
long itemsPerWorkItem = 0;
long mergeSortMemory = 0;
long dataPairSizeInBytes = keyTypeSizeInBytes + valueTypeSizeInBytes;
if (variant == SortAlgorithmVariant::defaultJointSort) {
totalItems = items;
itemsPerWorkItem = (totalItems - 1) / rangeSize + 1;
mergeSortMemory =
totalItems * dataPairSizeInBytes + sizeof(uint32_t) + (valueTypeSizeInBytes > 0 ? sizeof(uint32_t) : 0);
} else {
totalItems = items * rangeSize;
itemsPerWorkItem = items;
mergeSortMemory = 2 * totalItems * dataPairSizeInBytes + (valueTypeSizeInBytes > 0 ? 4 : 1) * sizeof(uint32_t);
}
long radixSortMemory = totalItems * dataPairSizeInBytes + rangeSize * (1 << bits_per_pass) * sizeof(uint32_t) +
sizeof(uint32_t) + (valueTypeSizeInBytes > 0 ? sizeof(uint32_t) : 0);
bool isRadix = (itemsPerWorkItem > 8 && itemsPerWorkItem >= keyTypeSizeInBytes * 8);
memoryInfo->globalMemoryInBytes = isRadix ? radixSortMemory : mergeSortMemory;
return true;
};
break;
}
default:
break;
}
return false;
}
} // namespace IGC
#include "cif/macros/disable.h"
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