GitLab

* [CPU, Parallel] Rewriting omp pragmas with parallel_for

* [CPU, Parallel] Decrease number of calls to task function

* c[CPU, Parallel] Modify calls to new interface of parallel_for

* add bruteforce impl

* add nn descent implementation

* change doc-string

* remove redundant func

* use local rng for cuda

* fix lint

* fix lint

* fix bug

* fix bug

* wrap nndescent_knn_graph into knn

* fix lint

* change function names

* add comment for dist funcs

* let the compiler do the unrolling

* use better blocksize setting

* remove redundant line

* check the return of the cub calls
Co-authored-by: Tong He <hetong007@gmail.com>

* add bruteforce impl

* add support for bruteforce-sharemem

* modify python API

* add tests

* change file path

* change python API

* fix lint

* fix test

* also check worst_dist in the last few dim

* use heap and early-stop on CPU

* fix lint

* fix lint

* add device check

* use cuda function to determine max shared mem

* use cuda to determine block info

* add memory free for tmp var

* update doc-string and add dist option

* fix lint

* add more tests
Co-authored-by: Quan (Andy) Gan <coin2028@hotmail.com>
Co-authored-by: Minjie Wang <wmjlyjemaine@gmail.com>