Function has_enough_parallelism 

pub fn has_enough_parallelism() -> bool

Determines if the host has enough parallelism to run the payload processor.

It requires at least 5 parallel threads:

• Engine in main thread that spawns the state root task.
• Multiproof task in payload processor
• Sparse Trie task in payload processor
• Multiproof computation spawned in payload processor
• Storage root computation spawned in trie parallel proof