Remove stream synchronization from methods to allow memcpy/kernel overlap

psrdada_cpp/effelsberg/edd/src/DetectorAccumulator.cu

@@ -57,7 +57,6 @@ void DetectorAccumulator::detect(InputType const& input, OutputType& output)
     int8_t* output_ptr = thrust::raw_pointer_cast(output.data());
     kernels::detect_and_accumulate<<<1024, 1024, 0, _stream>>>(
         input_ptr, output_ptr, _nchans, nsamps, _tscrunch, _scale, _offset);
-    CUDA_ERROR_CHECK(cudaStreamSynchronize(_stream));
 }
 
 } //namespace edd

psrdada_cpp/effelsberg/edd/src/Unpacker.cu

@@ -133,7 +133,6 @@ void Unpacker::unpack<12>(InputType const& input, OutputType& output)
     OutputType::value_type* output_ptr = thrust::raw_pointer_cast(output.data());
     kernels::unpack_edd_12bit_to_float32<<< nblocks, EDD_NTHREADS_UNPACK, 0, _stream>>>(
             input_ptr, output_ptr, input.size());
-    CUDA_ERROR_CHECK(cudaStreamSynchronize(_stream));
 }
 
 template <>
@@ -148,7 +147,6 @@ void Unpacker::unpack<8>(InputType const& input, OutputType& output)
     OutputType::value_type* output_ptr = thrust::raw_pointer_cast(output.data());
     kernels::unpack_edd_8bit_to_float32<<< nblocks, EDD_NTHREADS_UNPACK, 0, _stream>>>(
             input_ptr, output_ptr, input.size());
-    CUDA_ERROR_CHECK(cudaStreamSynchronize(_stream));
 }
 
 } //namespace edd