Hidden Overloads in the CUDA Driver API

We recently hit an issue with a system at work which manually linked against the CUDA driver API at runtime. One function used to retrieve the memory limit of the GPU was always returning a 32 bit value even if the card had >4GB of VRAM and we were passing a 64 bit integer. On further investigation through forums we discovered the function originally took a 32bit integer and there was a newer version with the same name. [Read More]
cuda  gpgpu  tips