validate on
  stats query_stats
  dim 2
  data_size 20
  query_size 10
read_data_pts test1-data.pts
read_query_pts test1-query.pts
  bucket_size 1
  near_neigh 3
  split_rule suggest
  shrink_rule none
build_ann
  epsilon 0.0
run_queries standard
run_queries priority