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[src] Use cuda streams in matrix library #2821

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Nov 12, 2018
Merged

[src] Use cuda streams in matrix library #2821

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f971e46
[src] Use cuda streams in matrix library
luitjens Nov 6, 2018
3d774f8
Fix formatting of whitespace and line width
ryanleary Nov 6, 2018
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9 changes: 5 additions & 4 deletions src/cudamatrix/cu-array-inl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -139,8 +139,9 @@ void CuArray<T>::CopyFromArray(const CuArrayBase<T> &src) {
#if HAVE_CUDA == 1
if (CuDevice::Instantiate().Enabled()) {
CuTimer tim;
CU_SAFE_CALL(cudaMemcpy(this->data_, src.data_, this->dim_ * sizeof(T),
cudaMemcpyDeviceToDevice));
CU_SAFE_CALL(cudaMemcpyAsync(this->data_, src.data_, this->dim_ * sizeof(T),
cudaMemcpyDeviceToDevice,
cudaStreamPerThread));
CuDevice::Instantiate().AccuProfile(__func__, tim);
} else
#endif
Expand All @@ -158,8 +159,8 @@ void CuArrayBase<T>::CopyFromArray(const CuArrayBase<T> &src) {
if (CuDevice::Instantiate().Enabled()) {
CuTimer tim;
CU_SAFE_CALL(
cudaMemcpy(this->data_, src.data_, dim_ * sizeof(T),
cudaMemcpyDeviceToDevice));
cudaMemcpyAsync(this->data_, src.data_, dim_ * sizeof(T),
cudaMemcpyDeviceToDevice, cudaStreamPerThread));
CuDevice::Instantiate().AccuProfile(__func__, tim);
} else
#endif
Expand Down
21 changes: 12 additions & 9 deletions src/cudamatrix/cu-matrix.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -229,8 +229,10 @@ void CuMatrixBase<Real>::CopyFromMat(const CuMatrixBase<OtherReal> &M,
MatrixIndexT dst_pitch = stride_ * sizeof(Real);
MatrixIndexT src_pitch = M.Stride() * sizeof(Real);
MatrixIndexT width = M.NumCols() * sizeof(Real);
CU_SAFE_CALL(cudaMemcpy2D(data_, dst_pitch, M.data_, src_pitch,
width, M.num_rows_, cudaMemcpyDeviceToDevice));
CU_SAFE_CALL(
cudaMemcpy2DAsync(data_, dst_pitch, M.data_, src_pitch,
width, M.num_rows_, cudaMemcpyDeviceToDevice,
cudaStreamPerThread));
} else {
if (trans == kNoTrans) {
dim3 dimGrid, dimBlock;
Expand Down Expand Up @@ -2286,14 +2288,15 @@ void CuMatrixBase<Real>::CopyRowsFromVec(const CuVectorBase<Real> &v) {
if (v.Dim() == num_rows_*num_cols_) {
if (stride_ == num_cols_) {
const Real* v_data = v.Data();
CU_SAFE_CALL(cudaMemcpy(data_, v_data,
sizeof(Real)*num_rows_*num_cols_,
cudaMemcpyDeviceToDevice));
CU_SAFE_CALL(
cudaMemcpyAsync(data_, v_data, sizeof(Real)*num_rows_*num_cols_,
cudaMemcpyDeviceToDevice, cudaStreamPerThread));
} else {
CU_SAFE_CALL(cudaMemcpy2D(data_, stride_ * sizeof(Real), v.Data(),
num_cols_*sizeof(Real), num_cols_*sizeof(Real),
num_rows_,
cudaMemcpyDeviceToDevice));
CU_SAFE_CALL(
cudaMemcpy2DAsync(data_, stride_ * sizeof(Real), v.Data(),
num_cols_*sizeof(Real), num_cols_*sizeof(Real),
num_rows_, cudaMemcpyDeviceToDevice,
cudaStreamPerThread));
}
} else if (v.Dim() == num_cols_) {
dim3 dimGrid, dimBlock;
Expand Down
5 changes: 3 additions & 2 deletions src/cudamatrix/cu-packed-matrix.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -143,8 +143,9 @@ void CuPackedMatrix<Real>::CopyFromPacked(const CuPackedMatrix<Real> &src) {
size_t nr = static_cast<size_t>(num_rows_),
num_bytes = ((nr * (nr+1)) / 2) * sizeof(Real);

CU_SAFE_CALL(cudaMemcpy(data_, src.data_, num_bytes,
cudaMemcpyDeviceToDevice));
CU_SAFE_CALL(
cudaMemcpyAsync(data_, src.data_, num_bytes, cudaMemcpyDeviceToDevice,
cudaStreamPerThread));
CuDevice::Instantiate().AccuProfile("CuPackedMatrix::CopyFromPacked1",
tim);
} else
Expand Down
4 changes: 3 additions & 1 deletion src/cudamatrix/cu-value.h
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,9 @@ class CuValue {
inline CuValue operator = (const CuValue<Real> &other) {
#if HAVE_CUDA == 1
if (CuDevice::Instantiate().Enabled()) {
CU_SAFE_CALL(cudaMemcpy(data_, other.data_, sizeof(Real), cudaMemcpyDeviceToDevice));
CU_SAFE_CALL(
cudaMemcpyAsync(data_, other.data_, sizeof(Real),
cudaMemcpyDeviceToDevice, cudaStreamPerThread));
return *this;
} else
#endif
Expand Down
16 changes: 10 additions & 6 deletions src/cudamatrix/cu-vector.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -167,14 +167,16 @@ void CuVectorBase<Real>::CopyRowsFromMat(const CuMatrixBase<Real> &mat) {
if (dim_ == 0) return;
CuTimer tim;
if (mat.Stride() == mat.NumCols() && mat.NumRows() != 0) {
CU_SAFE_CALL(cudaMemcpy(data_, mat.Data(), sizeof(Real)*dim_,
cudaMemcpyDeviceToDevice));
CU_SAFE_CALL(
cudaMemcpyAsync(data_, mat.Data(), sizeof(Real)*dim_,
cudaMemcpyDeviceToDevice, cudaStreamPerThread));
} else {
Real* vec_data = data_;
for (MatrixIndexT r = 0; r < mat.NumRows(); r++) {
CU_SAFE_CALL(cudaMemcpy(vec_data, mat.RowData(r),
sizeof(Real) * mat.NumCols(),
cudaMemcpyDeviceToDevice));
CU_SAFE_CALL(cudaMemcpyAsync(vec_data, mat.RowData(r),
sizeof(Real) * mat.NumCols(),
cudaMemcpyDeviceToDevice,
cudaStreamPerThread));
vec_data += mat.NumCols();
}
}
Expand Down Expand Up @@ -1049,7 +1051,9 @@ void CuVectorBase<Real>::CopyFromVec(const CuVectorBase<Real> &src) {
if (CuDevice::Instantiate().Enabled()) {
if (dim_ == 0) return;
CuTimer tim;
CU_SAFE_CALL(cudaMemcpy(data_, src.data_, src.dim_ * sizeof(Real), cudaMemcpyDeviceToDevice));
CU_SAFE_CALL(
cudaMemcpyAsync(data_, src.data_, src.dim_ * sizeof(Real),
cudaMemcpyDeviceToDevice, cudaStreamPerThread));
CuDevice::Instantiate().AccuProfile(__func__, tim);
} else
#endif
Expand Down