public void Batch_In_GPU()
{
sample_Idx.CopyIntoCuda();
seg_Idx.CopyIntoCuda();
seg_Margin.CopyIntoCuda();
seg_Len.CopyIntoCuda();
fea_Idx.CopyIntoCuda();
fea_Value.CopyIntoCuda();
}
unsafe public void Negative_Sampling_Transpose(int batchsize)
{
List <List <int> > mlist = new List <List <int> >();
for (int k = 0; k < batchsize; k++)
{
mlist.Add(new List <int>());
}
for (int i = 0; i < ParameterSetting.NTRIAL; i++)
{
for (int k = 0; k < batchsize; k++)
{
mlist[k].Clear();
}
for (int k = 0; k < batchsize; k++)
{
int bs = GPU_negative_index_Array.MemPtr[i * ParameterSetting.BATCH_SIZE + k]; // ].MemPtr[k];
mlist[bs].Add(k);
}
int ptotal = 0;
int pindex = 0;
for (int k = 0; k < batchsize; k++)
{
for (int m = 0; m < mlist[k].Count; m++)
{
GPU_Inver_negative_value_Array.MemPtr[i * ParameterSetting.BATCH_SIZE + pindex] = mlist[k][m]; // i].MemPtr[pindex] = mlist[k][m];
pindex++;
}
GPU_Inver_negative_index_Array.MemPtr[i * ParameterSetting.BATCH_SIZE + k] = ptotal + mlist[k].Count;
ptotal = GPU_Inver_negative_index_Array.MemPtr[i * ParameterSetting.BATCH_SIZE + k];
}
}
GPU_Inver_negative_index_Array.CopyIntoCuda();
GPU_Inver_negative_value_Array.CopyIntoCuda();
}
unsafe public void Negative_Sampling(int batchSize)
{
for (int i = 0; i < ParameterSetting.NTRIAL; i++)
{
if (LearningParameters.neg_static_sample)
{
//int randpos = neg_random.Next((int)(0.33f * batchSize)) + (int)(0.1 * batchSize);
int k1 = (int)(0.33f * batchSize);
int k2 = (int)(0.67f * batchSize);
int k3 = (int)(0.53f * batchSize);
int k4 = (int)(0.73f * batchSize);
if (k1 % batchSize == 0)
{
k1 = k1 + 1;
}
if (k2 % batchSize == 0)
{
k2 = k2 + 1;
}
if (k3 % batchSize == 0)
{
k3 = k3 + 1;
}
if (k4 % batchSize == 0)
{
k4 = k4 + 1;
}
for (int k = 0; k < batchSize; k++)
{
if (i == 0)
{
GPU_negative_index_Array.MemPtr[i * ParameterSetting.BATCH_SIZE + k] = (k1 + k) % batchSize;
}
else if (i == 1)
{
GPU_negative_index_Array.MemPtr[i * ParameterSetting.BATCH_SIZE + k] = (k2 + k) % batchSize;
}
else if (i == 2)
{
GPU_negative_index_Array.MemPtr[i * ParameterSetting.BATCH_SIZE + k] = (k3 + k) % batchSize;
}
else if (i == 3)
{
GPU_negative_index_Array.MemPtr[i * ParameterSetting.BATCH_SIZE + k] = (k4 + k) % batchSize;
}
}
}
else
{
int randpos = neg_random.Next((int)(0.8 * batchSize)) + (int)(0.1 * batchSize);
for (int k = 0; k < batchSize; k++)
{
int bs = (randpos + k) % batchSize;
GPU_negative_index_Array.MemPtr[i * ParameterSetting.BATCH_SIZE + k] = bs;
}
}
}
GPU_negative_index_Array.CopyIntoCuda();
}
