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tbb-timing.raku
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tbb-timing.raku
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use v6;
# Fully explicit typing, contrast with ubb-timing.raku
# [wim@hackbox raku-examples]$ time raku ubb-timing.raku
# 200
# 390600
# real 0m3.780s
# user 0m4.279s
# sys 0m0.112s
# [wim@hackbox raku-examples]$ time raku tbb-timing.raku
# 200
# 390600
# real 0m9.070s
# user 0m9.620s
# sys 0m0.073s
# [wim@hackbox raku-examples]$ time raku no-bb-timing.raku
# 200
# 390600
# real 0m3.078s
# user 0m3.602s
# sys 0m0.076s
# 2020.09
# tbb
#200
#390600
#real 0m8.605s
#user 0m9.131s
#sys 0m0.124s
#200
#390600
#real 0m3.702s
#user 0m4.225s
#sys 0m0.112s
# no bb
#200
#390600
#real 0m2.849s
#user 0m3.511s
#sys 0m0.108s
my Int $nruns= 200 ;
role TermBB[&f] {
method unTermBB(
&var:(Str --> Any),
&par:(Str --> Any),
&const:(Int --> Any),
&pow:(Any,Int --> Any),
&add:( Array[Any] --> Any),
# &add:( @ --> Any),
&mult:(Array[Any] --> Any)
--> Any
) {
f(&var,&par,&const,&pow,&add,&mult);
}
}
# We need this because `map` returns Seq, not Array
# ::T does not work: Died with X::TypeCheck::Assignment
# \T does work but
# --> Array[T] is broken: Type check failed for return value; expected Array[Mu] but got Array[TermBB] (Array[TermBB].new(TermBB[Sub].new,...)
sub typed-map (\T,\lst,&f) { # --> Array[T]
Array[T].new(map {f($_) }, |lst )
}
# The constructors
sub VarBB(Str \s --> TermBB) {
TermBB[
sub (\v, \c, \n, \p, \a, \m) { v.(s) }
].new;
}
sub ParBB(Str \s --> TermBB) {
TermBB[
sub (\v, \c, \n, \p, \a, \m) { c.(s) }
].new;
}
sub ConstBB(Int \i --> TermBB) {
TermBB[
sub (\v, \c, \n, \p, \a, \m) { n.(i) }
].new;
}
sub PowBB( TermBB \t, Int \i --> TermBB) {
TermBB[ sub (\v, \c, \n, \p, \a, \m) {
p.( t.unTermBB( v, c, n, p, a, m ), i);
}
].new;
}
sub AddBB(
Array[TermBB] \ts --> TermBB
# @ts --> TermBB
) {
TermBB[ sub (\v, \c, \n, \p, \a, \m) {
a.(
# map( {.unTermBB( v, c, n, p, a, m )},@ts)
typed-map( Any, ts, {.unTermBB( v, c, n, p, a, m )} )
)
}
].new;
}
sub MultBB(
Array[TermBB] \ts --> TermBB
# @ts --> TermBB
) {
TermBB[ sub (\v, \c, \n, \p, \a, \m) {
m.(
# map( {.unTermBB( v, c, n, p, a, m )},@ts)
typed-map( Any, ts, {.unTermBB( v, c, n, p, a, m )} )
)
}
].new;
}
# A pretty-printer
sub ppTermBB(TermBB \t --> Str){
sub var(Str \x --> Any) { x }
sub par(Str \x --> Any) { x }
sub const(Int $x --> Any) { "$x" }
sub pow( Any \t, Int $m --> Any) { t ~ "^$m" }
sub add(Array[Any] \ts --> Any) { "("~join( " + ", ts)~")" }
# sub add( @ts --> Any) { "("~join( " + ", @ts)~")" }
sub mult(Array[Any] \ts --> Any) { join( " * ", ts) }
t.unTermBB( &var, &par, &const, &pow, &add, &mult);
}
# evalTermBB :: H.Map String Int -> H.Map String Int -> TermBB -> Int
sub evalTermBB( %vars, %pars, \t) {
t.unTermBB(
-> Str \x --> Any {%vars{x}},
-> Str \x --> Any {%pars{x}},
-> Int \x --> Any {x},
-> Any \t, Int \m --> Any { t ** m},
-> Array[Any] \ts --> Any { [+] ts},
# -> @ts --> Any { [+] @ts},
-> Array[Any] \ts --> Any { [*] ts}
);
}
my Str @strs=();
my Int @vals=();
for 1 .. $nruns -> Int $c {
my TermBB \qtermbb1 = AddBB(
Array[TermBB].new(
# @(
MultBB(
Array[TermBB].new(
# @(
ParBB( "a"),
PowBB( VarBB( "x"), 2)
)
),
MultBB(
Array[TermBB].new(
# @(
ParBB( "b"),
VarBB( "x")
)
),
ParBB( "c")
)
);
# x^3 + 1
my TermBB \qtermbb2 = AddBB(
Array[TermBB].new(
# @(
PowBB( VarBB( "x"), 3),
ConstBB($c)
)
# )
);
# qterm1 * qterm2
my TermBB \qtermbb3 = MultBB(
Array[TermBB].new(
# @(
qtermbb1, qtermbb2
));
my Str $str = ppTermBB( qtermbb3);
push @strs, $str;
my Int $val = evalTermBB(
{"x" => 2}, {"a" =>2,"b"=>3,"c"=>4}, qtermbb3
);
push @vals, $val;
}
say @strs.elems;
say [+] @vals;