Investigate trie computation performance

[antonis19]

• disable deref. then measure new IO and find new bottlenecks (likely they will change)
• parallel commitment
• seems possible reduce amount of computations: [wip] commitment: lazy hashing #19899

[VBulikov]

antonis19 added Imp1 as Importance

[VBulikov]

yperbasis changed Importance from Imp1 to Imp2