Ejemplo n.º 1
0
void MultiplexLayer::forward(PassType passType) {
  Layer::forward(passType);

  IVectorPtr copyIds = getInput(0).ids;
  MatrixPtr inV1 = getInputValue(1);
  CHECK_EQ(copyIds->getSize(), inV1->getHeight());
  for (size_t i = 2; i < inputLayers_.size(); i++) {
    CHECK_EQ(inV1->getHeight(), getInputValue(i)->getHeight());
    CHECK_EQ(inV1->getWidth(), getInputValue(i)->getWidth());
  }

  calculateCopySchedule(copyIds, inputLayers_.size() - 1);
  {
    REGISTER_TIMER_INFO("FwResetTimer", getName().c_str());
    reserveOutput(inV1->getHeight(), inV1->getWidth());
  }

  MatrixPtr outV = getOutputValue();
  {
    REGISTER_TIMER_INFO("FwLMultplexingTimer", getName().c_str());
    AsyncGpuBlock block;
    for (const CopyInfo& info : copySchedule_) {
      outV->subMatrix(info.startIdx, info.length, tmpDest_)
          ->copyFrom(*getInputValue(info.copyIdx + 1)
                          ->subMatrix(info.startIdx, info.length, tmpSrc_));
    }
  }

  /* activation */ {
    REGISTER_TIMER_INFO("FwAtvTimer", getName().c_str());
    forwardActivation();
  }
}
Ejemplo n.º 2
0
TEST(Argument, poolSequenceWithStride) {
  Argument input, output;
  ICpuGpuVector::resizeOrCreate(input.sequenceStartPositions, 5, false);
  int* inStart = input.sequenceStartPositions->getMutableData(false);
  inStart[0] = 0;
  inStart[1] = 9;
  inStart[2] = 14;
  inStart[3] = 17;
  inStart[4] = 30;

  int strideResult[] = {0, 5, 9, 14, 17, 22, 27, 30};
  int strideResultReversed[] = {0, 4, 9, 14, 17, 20, 25, 30};

  for (auto reversed : {false, true}) {
    IVectorPtr stridePositions;
    output.poolSequenceWithStride(
        input, 5 /* stride */, &stridePositions, reversed);

    const int* outStart = output.sequenceStartPositions->getData(false);
    CHECK_EQ(outStart[0], 0);
    CHECK_EQ(outStart[1], 2);
    CHECK_EQ(outStart[2], 3);
    CHECK_EQ(outStart[3], 4);
    CHECK_EQ(outStart[4], 7);

    CHECK_EQ(stridePositions->getSize(), 8);
    auto result = reversed ? strideResultReversed : strideResult;
    for (int i = 0; i < 8; i++) {
      CHECK_EQ(stridePositions->getData()[i], result[i]);
    }
  }
}
Ejemplo n.º 3
0
void SparsePrefetchRowCpuMatrix::addRows(IVectorPtr ids) {
  std::vector<unsigned int>& localIndices = indexDictHandle_->localIndices;
  size_t numSamples = ids->getSize();
  int* index = ids->getData();
  for (size_t i = 0; i < numSamples; ++i) {
    if (index[i] == -1) continue;

    unsigned int id = (unsigned int)index[i];
    CHECK_LT(id, this->getHeight())
        << "id:" << id << "Height:" << this->getHeight()
        << "sparse id value exceeds the max input dimension, "
        << "it could be caused invalid input data samples";
    localIndices.push_back(id);
  }
}
Ejemplo n.º 4
0
void generateMDimSequenceData(const IVectorPtr& sequenceStartPositions,
                              IVectorPtr& cpuSequenceDims) {
  /* generate sequences with 2 dims */
  int numSeqs = sequenceStartPositions->getSize() - 1;
  int numDims = 2;

  cpuSequenceDims = IVector::create(numSeqs * numDims, /* useGpu= */ false);
  int* bufStarts = sequenceStartPositions->getData();
  int* bufDims = cpuSequenceDims->getData();

  for (int i = 0; i < numSeqs; i++) {
    int len = bufStarts[i + 1] - bufStarts[i];
    /* get width and height randomly */
    std::vector<int> dimVec;
    for (int j = 0; j < len; j++) {
      if (len % (j + 1) == 0) {
        dimVec.push_back(1);
      }
    }
    int idx = rand() % dimVec.size();  // NOLINT use rand_r
    bufDims[i * numDims] = dimVec[idx];
    bufDims[i * numDims + 1] = len / dimVec[idx];
  }
}
Ejemplo n.º 5
0
void MultiplexLayer::calculateCopySchedule(const IVectorPtr& copyIds,
                                           size_t numIns) {
  copySchedule_.clear();
  CopyInfo prevCopyInfo(0, 0, -1);
  for (size_t i = 0; i < copyIds->getSize(); i++) {
    int copyId = copyIds->getElement(i);
    CHECK_GE(copyId, 0);
    CHECK_LT(copyId, int(numIns));
    // copy same input layer with prevous and will copy consecutive.
    if (copyId == prevCopyInfo.copyIdx) {
      ++prevCopyInfo.length;
    } else {
      if (prevCopyInfo.copyIdx != -1) {
        copySchedule_.emplace_back(prevCopyInfo);
      }
      prevCopyInfo.startIdx = i;
      prevCopyInfo.length = 1;
      prevCopyInfo.copyIdx = copyId;
    }
  }
  if (prevCopyInfo.copyIdx != -1) {
    copySchedule_.emplace_back(prevCopyInfo);
  }
}
Ejemplo n.º 6
0
void checkVectorEqual(const IVectorPtr& a, const IVectorPtr& b) {
  EXPECT_EQ(a->getSize(), b->getSize());
  for (size_t r = 0; r < a->getSize(); ++r) {
    EXPECT_FLOAT_EQ(a->get(r), b->get(r));
  }
}