Details

Time bar (total: 16.7s)

sample43.0ms

Algorithm
intervals
Results
20.0ms364×body80valid

simplify3.6s

Counts
1 → 1
Iterations

Useful iterations: 2 (19.0ms)

IterNodesCost
01717
13517
29216
325316
450616
562916
670416
774116
889416
9108416
10108816
done108816

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 3.4b

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)
5.8b
(* (* (* y 9.0) z) t)

rewrite119.0ms

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)))
24.0ms
(* (* y 9.0) z)
84.0ms
(* (* (* y 9.0) z) t)

series526.0ms

Counts
4 → 12
Calls
4 calls:
150.0ms
(- (* x 2.0) (* (* (* y 9.0) z) t))
307.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* (* y 9.0) z) t)))
34.0ms
(* (* y 9.0) z)
35.0ms
(* (* (* y 9.0) z) t)

simplify1.9s

Counts
81 → 81
Iterations

Useful iterations: 2 (313.0ms)

IterNodesCost
0125997
1302954
21202823
done5000823

prune390.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize24.0ms

Local error

Found 3 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))))
4.6b
(* (* y 9.0) (* z t))

rewrite56.0ms

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:
21.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
1.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* y 9.0) (* z t))))
31.0ms
(* (* y 9.0) (* z t))

series483.0ms

Counts
3 → 9
Calls
3 calls:
126.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
305.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* y 9.0) (* z t))))
52.0ms
(* (* y 9.0) (* z t))

simplify1.4s

Counts
59 → 59
Iterations

Useful iterations: done (1.4s)

IterNodesCost
0105849
1265811
21043698
done5001696

prune252.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 27.0 (* a b)) (- (* x 2.0) (* (* y 9.0) (* z t))))
0.0b
(- (* x 2.0) (* (* y 9.0) (* z t)))
0.3b
(* 27.0 (* a b))
4.6b
(* (* y 9.0) (* z t))

rewrite156.0ms

Algorithm
rewrite-expression-head
Rules
21×pow1 add-exp-log add-cbrt-cube
11×pow-prod-down prod-exp cbrt-unprod add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u associate-*l* log1p-expm1-u
associate-+r+
sub-neg diff-log associate-*r* prod-diff sum-log *-commutative
+-commutative associate-+r- flip3-- fma-def flip3-+ fma-neg flip-- flip-+
Counts
4 → 79
Calls
4 calls:
42.0ms
(+ (* 27.0 (* a b)) (- (* x 2.0) (* (* y 9.0) (* z t))))
19.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
33.0ms
(* 27.0 (* a b))
60.0ms
(* (* y 9.0) (* z t))

series468.0ms

Counts
4 → 12
Calls
4 calls:
264.0ms
(+ (* 27.0 (* a b)) (- (* x 2.0) (* (* y 9.0) (* z t))))
137.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
23.0ms
(* 27.0 (* a b))
43.0ms
(* (* y 9.0) (* z t))

simplify1.4s

Counts
91 → 91
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01471231
14001123
215801044
done50001007

prune429.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* x 2.0) (* (* y 9.0) (* z t)))
0.3b
(* (sqrt 27.0) (* a b))
0.3b
(* (sqrt 27.0) (* (sqrt 27.0) (* a b)))
4.6b
(* (* y 9.0) (* z t))

rewrite174.0ms

Algorithm
rewrite-expression-head
Rules
30×pow1 add-exp-log add-cbrt-cube
17×pow-prod-down prod-exp cbrt-unprod
13×associate-*l*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
sqrt-prod add-log-exp
expm1-log1p-u log1p-expm1-u
associate-*r* *-commutative
sub-neg flip3-- fma-neg diff-log prod-diff flip--
Counts
4 → 89
Calls
4 calls:
21.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
45.0ms
(* (sqrt 27.0) (* a b))
71.0ms
(* (sqrt 27.0) (* (sqrt 27.0) (* a b)))
32.0ms
(* (* y 9.0) (* z t))

series359.0ms

Counts
4 → 12
Calls
4 calls:
147.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
61.0ms
(* (sqrt 27.0) (* a b))
110.0ms
(* (sqrt 27.0) (* (sqrt 27.0) (* a b)))
40.0ms
(* (* y 9.0) (* z t))

simplify1.6s

Counts
101 → 101
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01481169
1388996
21550839
done5001837

prune420.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

regimes318.0ms

Accuracy

70.4% (1.1b remaining)

Error of 1.1b against oracle of 0.1b and baseline of 3.7b

bsearch4.0ms

simplify19.0ms

Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
03772
15570
done5570

end0.0ms

sample2.5s

Algorithm
intervals
Results
1.8s11008×body80valid