let g:clang_compilation_database = '.'
-let g:deoplete#enable_at_startup=1
+" Speedup deoplete startup time, see deoplete FAQ
+let g:python3_host_prog = '/usr/bin/python3'
+" deoplete requires huge startuptime. Delay loading upon first InsertEnter.
+let g:deoplete#enable_at_startup = 0
+autocmd InsertEnter * call deoplete#enable()
"augroup pencil
"au!