diff options
| author |  Benoit Steiner <benoit.steiner.goog@gmail.com> | 2016-02-27 20:42:57 +0000 |
|---|---|---|
| committer | Benoit Steiner <benoit.steiner.goog@gmail.com> | 2016-02-27 20:42:57 +0000 |
| commit | 609b3337a701e322d0e33089b826d1ac7c2a11fe (patch) | |
| tree | a38ca71658ec3721d1bcdc98b24c383221b12b84 /unsupported/Eigen/CXX11/src/Tensor/TensorDeviceCuda.h | |
| parent | 1031b31571b0069159218bfcb9686aa483333234 (diff) | |
Print some information to stderr when a CUDA kernel fails
Diffstat (limited to 'unsupported/Eigen/CXX11/src/Tensor/TensorDeviceCuda.h')
| -rw-r--r-- | unsupported/Eigen/CXX11/src/Tensor/TensorDeviceCuda.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorDeviceCuda.h b/unsupported/Eigen/CXX11/src/Tensor/TensorDeviceCuda.h index c01704e56..821835cf3 100644 --- a/unsupported/Eigen/CXX11/src/Tensor/TensorDeviceCuda.h +++ b/unsupported/Eigen/CXX11/src/Tensor/TensorDeviceCuda.h @@ -211,8 +211,12 @@ struct GpuDevice { EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void synchronize() const { #if defined(__CUDACC__) && !defined(__CUDA_ARCH__) cudaError_t err = cudaStreamSynchronize(stream_->stream()); - EIGEN_UNUSED_VARIABLE(err) - assert(err == cudaSuccess); + if (err != cudaSuccess) { + std::cerr << "Error detected in CUDA stream: " + << cudaGetErrorString(err) + << std::endl; + assert(err == cudaSuccess); + } #else assert(false && "The default device should be used instead to generate kernel code"); #endif |