detect_tcnn_cuda_architectures.cu

#include <cuda_runtime.h>
#include <cstdio>
int main() {
	int count = 0;
	if (cudaSuccess != cudaGetDeviceCount(&count)) return -1;
	if (count == 0) return -1;
	for (int device = 0; device < count; ++device) {
		cudaDeviceProp prop;
		if (cudaSuccess == cudaGetDeviceProperties(&prop, device)) {
			std::printf("%d%d", prop.major, prop.minor);
			if (device < count - 1) std::printf(";");
		}
	}
	return 0;
}