parseSparkParentXmlDom and parseSparkParentXmlSax are basically String => Project functions, going from the content of org.apache.spark:spark-parent_2.12:2.4.0 to a coursier.core.Project, either via an AST of the XML, or via a SAX-based parser. The SAX parser divides that time by more than 50%.
ResolutionDomTests.sparkSql and ResolutionTests.sparkSql run whole resolutions of org.apache.spark:spark-sql_2.12:2.4.0, hitting metadata fully in memory (no network or file I/O). The gain is only around ~10 % here. This gain is kind of disappointing compared to the one in the former comparison (which looks at a more atomic operation).
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.