Amazon Web Services has a x1.32xlarge EC2 instance with 128 CPU cores and just under 2000 GiB of RAM for about $13 per hour. AWS actually has per-second billing (with a 1 minute minimum) since late last year.

They have lots of other options as well of course. Here is their pricing page: https://aws.amazon.com/ec2/pricing/on-demand/

On Wed, May 23, 2018 at 2:51 AM, Dennis Raddle <dennis.raddle@gmail.com> wrote:

I have a CPU-intensive Haskell application. I have it working with simple multi-core concurrency. I'm wondering if I can run this on a cloud virtual machine with 128 cores or so, paying by the CPU minute. I'll run it for maybe 15 minutes a day so I'm probably best off paying just for the CPU used.

What platform would be recommended? For ease of use? For best price/performance?

It's a backtracking optimization algorithm that builds data, one element at a time. It's not hard at all to make it concurrent: at the first 3 or so levels of element choices would be about 100 to 500 combinations. Even if the simplest method of running concurrent Haskell on multiple cores doesn't work, I could just divide these first cases into batches and run them on individual machines. 

D

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