Aggregator speedup

[iris-garden]

Note

The following post was exported from discuss.hail.is, a forum for asking questions about Hail which has since been deprecated.

(Oct 13, 2016 at 18:30) tpoterba said:

If you’ve been reluctant to use hail expr aggregators recently, worry no more! Their performance has been improved by 30x-100x or more due to a suite of recent changes. Aggregable[Array[Numeric]].sum() experienced the largest boost.