Details

Time bar (total: 16.4s)

sample93.0ms

Algorithm
intervals
Results
48.0ms360×body80valid

simplify2.0s

Counts
1 → 1
Iterations

Useful iterations: 2 (23.0ms)

IterNodesCost
01717
13517
29216
325716
460116
5128416
done500116

prune24.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 3.9b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* x 2.0) (* (* (* y 9.0) z) t))
0.1b
(fma (* a 27.0) b (- (* x 2.0) (* (* (* y 9.0) z) t)))
0.2b
(* (* y 9.0) z)
6.0b
(* (* (* y 9.0) z) t)

rewrite135.0ms

Algorithm
rewrite-expression-head
Rules
18×pow1 add-exp-log add-cbrt-cube
pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity associate-*r* add-log-exp
expm1-log1p-u log1p-expm1-u
associate-*l* *-commutative
sub-neg flip3-- fma-neg diff-log prod-diff flip-- fma-udef
Counts
4 → 69
Calls
4 calls:
9.0ms
(- (* x 2.0) (* (* (* y 9.0) z) t))
0.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* (* y 9.0) z) t)))
34.0ms
(* (* y 9.0) z)
89.0ms
(* (* (* y 9.0) z) t)

series468.0ms

Counts
4 → 12
Calls
4 calls:
111.0ms
(- (* x 2.0) (* (* (* y 9.0) z) t))
281.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* (* y 9.0) z) t)))
34.0ms
(* (* y 9.0) z)
40.0ms
(* (* (* y 9.0) z) t)

simplify2.0s

Counts
81 → 81
Iterations

Useful iterations: 2 (386.0ms)

IterNodesCost
0125997
1315954
21867823
done5000823

prune402.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize35.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* x 2.0) (* 9.0 (* t (* z y))))
0.1b
(fma (* a 27.0) b (- (* x 2.0) (* 9.0 (* t (* z y)))))
0.2b
(* 9.0 (* t (* z y)))
6.0b
(* t (* z y))

rewrite114.0ms

Algorithm
rewrite-expression-head
Rules
18×pow1 add-exp-log add-cbrt-cube
pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity associate-*l* add-log-exp
expm1-log1p-u log1p-expm1-u
associate-*r* *-commutative
sub-neg flip3-- fma-neg diff-log prod-diff flip-- fma-udef
Counts
4 → 69
Calls
4 calls:
11.0ms
(- (* x 2.0) (* 9.0 (* t (* z y))))
0.0ms
(fma (* a 27.0) b (- (* x 2.0) (* 9.0 (* t (* z y)))))
76.0ms
(* 9.0 (* t (* z y)))
24.0ms
(* t (* z y))

series549.0ms

Counts
4 → 12
Calls
4 calls:
154.0ms
(- (* x 2.0) (* 9.0 (* t (* z y))))
305.0ms
(fma (* a 27.0) b (- (* x 2.0) (* 9.0 (* t (* z y)))))
48.0ms
(* 9.0 (* t (* z y)))
43.0ms
(* t (* z y))

simplify1.4s

Counts
81 → 81
Iterations

Useful iterations: 2 (237.0ms)

IterNodesCost
0116987
1281948
21189817
done5000817

prune433.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 27.0 (* a b)) (- (* x 2.0) (* (* (* y 9.0) z) t)))
0.2b
(* (* y 9.0) z)
0.3b
(* 27.0 (* a b))
6.0b
(* (* (* y 9.0) z) t)

rewrite163.0ms

Algorithm
rewrite-expression-head
Rules
23×pow1 add-exp-log add-cbrt-cube
12×pow-prod-down prod-exp cbrt-unprod
add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity associate-*r*
associate-*l*
expm1-log1p-u log1p-expm1-u
associate-+r+ *-commutative
sum-log
+-commutative associate-+r- sub-neg fma-def flip3-+ diff-log prod-diff flip-+
Counts
4 → 82
Calls
4 calls:
35.0ms
(+ (* 27.0 (* a b)) (- (* x 2.0) (* (* (* y 9.0) z) t)))
26.0ms
(* (* y 9.0) z)
29.0ms
(* 27.0 (* a b))
70.0ms
(* (* (* y 9.0) z) t)

series351.0ms

Counts
4 → 12
Calls
4 calls:
246.0ms
(+ (* 27.0 (* a b)) (- (* x 2.0) (* (* (* y 9.0) z) t)))
32.0ms
(* (* y 9.0) z)
35.0ms
(* 27.0 (* a b))
37.0ms
(* (* (* y 9.0) z) t)

simplify2.0s

Counts
94 → 94
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01471063
1387999
22207875
done5000868

prune435.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize33.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* x 2.0) (* (* 9.0 t) (* z y)))
0.1b
(fma (* a 27.0) b (- (* x 2.0) (* (* 9.0 t) (* z y))))
6.1b
(* (* 9.0 t) (* z y))

rewrite81.0ms

Algorithm
rewrite-expression-head
Rules
15×pow1 add-exp-log add-cbrt-cube
pow-prod-down prod-exp cbrt-unprod
add-log-exp
add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity log1p-expm1-u
sub-neg flip3-- fma-neg diff-log associate-*r* associate-*l* prod-diff *-commutative flip-- fma-udef
Counts
3 → 50
Calls
3 calls:
22.0ms
(- (* x 2.0) (* (* 9.0 t) (* z y)))
1.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* 9.0 t) (* z y))))
56.0ms
(* (* 9.0 t) (* z y))

series469.0ms

Counts
3 → 9
Calls
3 calls:
131.0ms
(- (* x 2.0) (* (* 9.0 t) (* z y)))
280.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* 9.0 t) (* z y))))
58.0ms
(* (* 9.0 t) (* z y))

simplify1.8s

Counts
59 → 59
Iterations

Useful iterations: done (1.8s)

IterNodesCost
0103849
1267812
21353698
done5000696

prune271.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

regimes692.0ms

Accuracy

85.5% (0.5b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 3.5b

bsearch2.0ms

simplify10.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03465
14865
done4865

end0.0ms

sample2.4s

Algorithm
intervals
Results
1.0s11023×body80valid