Assuming that the massive numbers of cores necessary don't cause any extra difficulties (seems like a stretch), we get 68,328,000,000 CPU cores to do the CPU portion in 30 minutes, and 115,632,000 GPUs to do the GPU part in 30 minutes.
Assuming 1U servers each with 2 64-core CPUs, that's at least 533,812,500 physical servers, which is at least 12,709,822 42U server racks. That would take up ~85,000,000 sqft, or 3.04 square miles.
That's just for the CPUs. You could probably fit 1GPU per server, but I assume this isn't the typical config for cloud GPUs. In any case, it could probably be done in, let's call it 4 square miles of server floor space.
Note: these are pretty conservative estimates at every step. It doesn't take into account any practicalities, like having server aisles wide enough for golf carts (because, really, 3 miles on a side is a bit of a hike on foot). Or how power is delivered. Or how to communicate all of that parallel work. Or the colossal amount of maintenance staff that would be required. Or keeping that many servers cool enough to work continuously... etc.
After you figure all that out, now you can get to the small task of figuring out how to continuously deliver 120-ish[1] gigawatts of power to those servers.
[1] 90 Watts per 64-core CPU (2 of those per server), and 180 Watts per GPU (lifted from fryguy's sibling comment). Turns out the CPU part is a lot more expensive in just about every way than the GPU part. Accordingly, you would probably adjust this so that you spend 55 minutes on the CPU and 5 on the GPU portion, or something like that.
[Edit: added the footnote, and refined my estimate of the power requirements, also clarity edits]