Improve suffix sort for larger problems #34
Merged
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Outdated suggestions cannot be applied.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.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This activates the linear-work suffix sorting from PR #32 along with some minor changes to get testing to pass.
I observed this to significantly improve suffix array constructions for large problem sizes. E.g. previously a 4GB test went at 16 MB/s but after this change it goes at 25 MB/s.
Future Work: use the old implementation for small enough problems.