C++ (Cpp) getMaxWavesPerEU示例

示例#1

文件： AMDGPUBaseInfo.cpp 项目： Tauril/llvm

unsigned getMinNumVGPRs(const MCSubtargetInfo *STI, unsigned WavesPerEU) {
  assert(WavesPerEU != 0);

  if (WavesPerEU >= getMaxWavesPerEU())
    return 0;
  unsigned MinNumVGPRs =
      alignDown(getTotalNumVGPRs(STI) / (WavesPerEU + 1),
                getVGPRAllocGranule(STI)) + 1;
  return std::min(MinNumVGPRs, getAddressableNumVGPRs(STI));
}

示例#2

文件： AMDGPUBaseInfo.cpp 项目： BNieuwenhuizen/llvm

unsigned getMinNumVGPRs(const FeatureBitset &Features, unsigned WavesPerEU) {
  assert(WavesPerEU != 0);

  if (WavesPerEU >= getMaxWavesPerEU(Features))
    return 0;
  unsigned MinNumVGPRs =
      alignDown(getTotalNumVGPRs(Features) / (WavesPerEU + 1),
                getVGPRAllocGranule(Features)) + 1;
  return std::min(MinNumVGPRs, getAddressableNumVGPRs(Features));
}

示例#3

文件： AMDGPUBaseInfo.cpp 项目： Tauril/llvm

unsigned getMinNumSGPRs(const MCSubtargetInfo *STI, unsigned WavesPerEU) {
  assert(WavesPerEU != 0);

  if (WavesPerEU >= getMaxWavesPerEU())
    return 0;

  unsigned MinNumSGPRs = getTotalNumSGPRs(STI) / (WavesPerEU + 1);
  if (STI->getFeatureBits().test(FeatureTrapHandler))
    MinNumSGPRs -= std::min(MinNumSGPRs, (unsigned)TRAP_NUM_SGPRS);
  MinNumSGPRs = alignDown(MinNumSGPRs, getSGPRAllocGranule(STI)) + 1;
  return std::min(MinNumSGPRs, getAddressableNumSGPRs(STI));
}