Cargo Features

alass-core has no features set by default.

[dependencies]
alass-core = { version = "2.0.0", features = ["nosplit-heap-sort"] }
nosplit-heap-sort

In nosplit mode, the most expensive operation is sorting of sorted vectors. In runtime analysis, using a heap-sort-like algorithm is more performant than assuming a large unsorted array. In tests it is only half as fast. (1s vs 2s)