(* Title: HOL/ex/Code_Timing.thy
Author: Florian Haftmann, TU Muenchen, 2016
*)
section \<open>Examples for code generation timing measures\<close>
theory Code_Timing
imports "~~/src/HOL/Number_Theory/Eratosthenes"
begin
declare [[code_timing]]
definition primes_upto :: "nat \<Rightarrow> int list"
where
"primes_upto = map int \<circ> Eratosthenes.primes_upto"
definition "required_symbols _ = (primes_upto, 0 :: nat, Suc, 1 :: nat,
numeral :: num \<Rightarrow> nat, Num.One, Num.Bit0, Num.Bit1,
Code_Evaluation.TERM_OF_EQUAL :: int list itself)"
ML \<open>
local
val ctxt = @{context};
val consts = [@{const_name required_symbols}];
in
val simp = Code_Simp.static_conv
{ ctxt = ctxt, consts = consts, simpset = NONE };
val nbe = Nbe.static_conv
{ ctxt = ctxt, consts = consts };
val eval = Code_Evaluation.static_conv
{ ctxt = ctxt, consts = consts };
end;
\<close>
ML_val \<open>
simp @{context} @{cterm "primes_upto 100"}
\<close>
ML_val \<open>
simp @{context} @{cterm "primes_upto 200"}
\<close>
ML_val \<open>
nbe @{context} @{cterm "primes_upto 200"}
\<close>
ML_val \<open>
nbe @{context} @{cterm "primes_upto 400"}
\<close>
ML_val \<open>
nbe @{context} @{cterm "primes_upto 600"}
\<close>
ML_val \<open>
eval @{context} @{cterm "primes_upto 800"}
\<close>
ML_val \<open>
eval @{context} @{cterm "primes_upto 1000"}
\<close>
end