(executables
 (names bench_persistent_read bench_persistent benchs)
 (libraries iter benchmark)
 (optional)
 (flags :standard -w +a-4-42-44-48-50-58-32-60-70@8 -safe-string -color
   always)
 (ocamlopt_flags :standard -O3 -color always -unbox-closures
   -unbox-closures-factor 20))