Excessive CPU usage

[reynir]

# #require "core";;
# #doc Core.Hashtbl;;

Above commands hang and doesn't seem to terminate after a few minutes.

[reynir]

Ok, it terminated after perhaps 5 minutes.

[reynir]

$ time ocp-index print Core.Hashtbl
Core.Hashtbl module (module Core_kernel__.Core_hashtbl)


real	0m0.885s
user	0m0.753s
sys	0m0.131s

$ time echo '#require "core";;
#doc Core.Hashtbl;;
' | utop
        OCaml version 4.05.0

Findlib has been successfully loaded. Additional directives:
  #require "package";;      to load a package
  #list;;                   to list the available packages
  #camlp4o;;                to load camlp4 (standard syntax)
  #camlp4r;;                to load camlp4 (revised syntax)
  #predicates "p,q,...";;   to set these predicates
  Topfind.reset();;         to force that packages will be reloaded
  #thread;;                 to enable threads

# 
Core.Hashtbl module (module Core_kernel__.Core_hashtbl)

# #   

real	5m10.582s
user	5m9.717s
sys	0m0.760s