Note that this is separate from https://jira.mongodb.org/browse/SERVER-60724 because we think that the ABT-ification will help there (but won't do so for the following): 
 
[
  {
    signed_percent_change_stable: -24.012973352262847,
    test: 'MatchExpressionFiftyClauseRootedAnd.find'
  },
  {
    signed_percent_change_stable: -23.96494416432857,
    test: 'MatchExpressionFiftyClauseRootedAnd.find'
  },
  {
    signed_percent_change_stable: -19.359618273075057,
    test: 'MatchExpressionFiftyClauseRootedAnd.find'
  },
  {
    signed_percent_change_stable: -5.23194043172181,
    test: 'MatchExpressionWidePredicateWithDeepFieldpaths.find'
  },
  {
    signed_percent_change_stable: -4.763786883314509,
    test: 'MatchExpressionWidePredicateWithDeepFieldpaths.find'
  },
  {
    signed_percent_change_stable: -4.6783817192891775,
    test: 'MatchExpressionWidePredicateWithDeepFieldpaths.find'
  }
]