Add unstable CUDA module.

Includes three general utility functions connected to CUDA, in
particular the crafting of -gencode flags as done in CMake:

    https://github.com/Kitware/CMake/blob/master/Modules/FindCUDA/
select_compute_arch.cmake

2 files changed, 46 insertions, 0 deletions

diff --git a/test cases/cuda/3 cudamodule/meson.build b/test cases/cuda/3 cudamodule/meson.build
new file mode 100644
index 000000000..0dc948987
--- /dev/null
+++ b/test cases/cuda/3 cudamodule/meson.build
@@ -0,0 +1,16 @@
+project('cudamodule', 'cuda', version : '1.0.0')
+
+nvcc = meson.get_compiler('cuda')
+cuda = import('unstable-cuda')
+
+arch_flags     = cuda.nvcc_arch_flags(nvcc, 'Auto', detected: ['3.0'])
+arch_readable  = cuda.nvcc_arch_readable(nvcc, 'Auto', detected: ['3.0'])
+driver_version = cuda.min_driver_version(nvcc)
+
+message('NVCC version:   ' + nvcc.version())
+message('NVCC flags:     ' + ' '.join(arch_flags))
+message('NVCC readable:  ' + ' '.join(arch_readable))
+message('Driver version: >=' + driver_version)
+
+exe = executable('prog', 'prog.cu', cuda_args: arch_flags)
+test('cudatest', exe)
diff --git a/test cases/cuda/3 cudamodule/prog.cu b/test cases/cuda/3 cudamodule/prog.cu
new file mode 100644
index 000000000..7eab6738c
--- /dev/null
+++ b/test cases/cuda/3 cudamodule/prog.cu
@@ -0,0 +1,30 @@
+#include <iostream>
+
+int main(int argc, char **argv) {
+    int cuda_devices = 0;
+    std::cout << "CUDA version: " << CUDART_VERSION << "\n";
+    cudaGetDeviceCount(&cuda_devices);
+    if(cuda_devices == 0) {
+        std::cout << "No Cuda hardware found. Exiting.\n";
+        return 0;
+    }
+    std::cout << "This computer has " << cuda_devices << " Cuda device(s).\n";
+    cudaDeviceProp props;
+    cudaGetDeviceProperties(&props, 0);
+    std::cout << "Properties of device 0.\n\n";
+
+    std::cout << "  Name:            " << props.name << "\n";
+    std::cout << "  Global memory:   " << props.totalGlobalMem << "\n";
+    std::cout << "  Shared memory:   " << props.sharedMemPerBlock << "\n";
+    std::cout << "  Constant memory: " << props.totalConstMem << "\n";
+    std::cout << "  Block registers: " << props.regsPerBlock << "\n";
+
+    std::cout << "  Warp size:         " << props.warpSize << "\n";
+    std::cout << "  Threads per block: " << props.maxThreadsPerBlock << "\n";
+    std::cout << "  Max block dimensions: [ " << props.maxThreadsDim[0] << ", " << props.maxThreadsDim[1]  << ", " << props.maxThreadsDim[2] << " ]" << "\n";
+    std::cout << "  Max grid dimensions:  [ " << props.maxGridSize[0] << ", " << props.maxGridSize[1]  << ", " << props.maxGridSize[2] << " ]" << "\n";
+    std::cout << "\n";
+
+    return 0;
+}
+