The first version of CUDA was released in 2007 so I would not be surprised if they started working on it in the 90s. These things take time. Nvidia also made s

The first version of CUDA was released in 2007 so I would not be surprised if they started working on it in the 90s. These things take time. Nvidia also made sure that CUDA runs on gaming GPUs and supports Windows. This is why its tools are so good. You don't need to buy a datacenter GPU, no need to mess with Linux. Just buy any gaming GPU, install CUDA SDK and you're good to go. AMD wasn't like that. Their alternative - ROCM didn't even work on gaming GPUs. Their datacenter GPUs didn't even support Windows. Basically the opposite approach of NVIDIA. Now AMD is rushing to add Windows and consumer GPU support to ROCM, but it's a bit too little too late.