Update cluster gains once per cluster#1886

Merged

sfkhalid merged 16 commits intomasterfrom

improve_clustering_gain_updates

Nov 7, 2021

Commits on Oct 17, 2021

Update cluster gains only on the top level primitive in update_total_gain and mark_and_update_partial_gain routines
sfkhalid
committed

Commits on Oct 19, 2021

Ran make format
sfkhalid
committed

Commits on Oct 21, 2021

Add check to see if cur_pb is null to get rid of warning
sfkhalid
committed

Commits on Oct 22, 2021

Added vtr assert to ensure that warning about potentially dereferencing null pointer doesn't appear
sfkhalid
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Removed dead while loop in partial gain routine and ran make format
sfkhalid
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Commits on Oct 30, 2021

Commits on Nov 2, 2021

Added small change so I can push changes to run CI again
sfkhalid
committed

Commits on Nov 3, 2021

Made minor change so I can push to restart CI
sfkhalid
committed

Commits on Nov 6, 2021

Merge branch 'master' into improve_clustering_gain_updates
sfkhalid
committed