Where/how to run cheap parallel processes?

I have a personal project that needs to run several small tasks in parallel. A "director" breaks a huge task in many small ones and sends it (in any way possible) to the workers. It breaks down to ~22k small tasks per day, each taking about a second to finish.

I tried running it on GCP Cloud Functions, but time running makes it way too expensive.

Does anyone have any ideas on how/where I could build it?

Thanks in advance.

submitted by /u/nerdmor
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