Details

Time bar (total: 36.8s)

sample151.0ms

Algorithm
intervals
Results
93.0ms518×body80valid

simplify5.4s

Counts
1 → 1
Iterations
IterNodes
done5000
54998
42295
3723
2217
167
028

prune26.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 1.1b

localize51.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma b c (- (* z (* (* t x) (* y 18.0))) (fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))))
0.3b
(* 27.0 (* k j))
4.0b
(* (* t x) (* y 18.0))
5.7b
(* z (* (* t x) (* y 18.0)))

rewrite112.0ms

Algorithm
rewrite-expression-head
Rules
39×pow1 add-cbrt-cube add-exp-log
24×pow-prod-down prod-exp cbrt-unprod
associate-*l*
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u log1p-expm1-u add-log-exp
associate-*r* *-commutative
fma-udef
Counts
4 → 83
Calls
4 calls:
0.0ms
(fma b c (- (* z (* (* t x) (* y 18.0))) (fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))))
13.0ms
(* 27.0 (* k j))
24.0ms
(* (* t x) (* y 18.0))
72.0ms
(* z (* (* t x) (* y 18.0)))

series10.6s

Counts
4 → 12
Calls
4 calls:
10.4s
(fma b c (- (* z (* (* t x) (* y 18.0))) (fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))))
20.0ms
(* 27.0 (* k j))
53.0ms
(* (* t x) (* y 18.0))
65.0ms
(* z (* (* t x) (* y 18.0)))

simplify1.5s

Counts
95 → 95
Iterations
IterNodes
done5005
21398
1360
0148

prune911.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize63.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))
0.3b
(* 27.0 (* k j))
4.2b
(* z (* t x))
5.8b
(* (* z (* t x)) (* y 18.0))

rewrite115.0ms

Algorithm
rewrite-expression-head
Rules
35×pow1 add-cbrt-cube add-exp-log
21×pow-prod-down prod-exp cbrt-unprod
associate-*l*
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u log1p-expm1-u add-log-exp
associate-*r* *-commutative
fma-udef
Counts
4 → 80
Calls
4 calls:
0.0ms
(fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))
22.0ms
(* 27.0 (* k j))
20.0ms
(* z (* t x))
70.0ms
(* (* z (* t x)) (* y 18.0))

series266.0ms

Counts
4 → 12
Calls
4 calls:
136.0ms
(fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))
28.0ms
(* 27.0 (* k j))
35.0ms
(* z (* t x))
66.0ms
(* (* z (* t x)) (* y 18.0))

simplify1.4s

Counts
92 → 92
Iterations
IterNodes
done5002
21355
1352
0143

prune806.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize72.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (* z (* t x)) y) 18.0)
0.3b
(* 27.0 (* k j))
4.2b
(* z (* t x))
5.4b
(* (* z (* t x)) y)

rewrite295.0ms

Algorithm
rewrite-expression-head
Rules
37×pow1 add-cbrt-cube add-exp-log
22×pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt *-un-lft-identity associate-*r* associate-*l* add-cube-cbrt
expm1-log1p-u *-commutative log1p-expm1-u add-log-exp
Counts
4 → 89
Calls
4 calls:
190.0ms
(* (* (* z (* t x)) y) 18.0)
22.0ms
(* 27.0 (* k j))
21.0ms
(* z (* t x))
59.0ms
(* (* z (* t x)) y)

series168.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(* (* (* z (* t x)) y) 18.0)
27.0ms
(* 27.0 (* k j))
29.0ms
(* z (* t x))
61.0ms
(* (* z (* t x)) y)

simplify1.8s

Counts
101 → 101
Iterations
IterNodes
done5001
21381
1356
0140

prune944.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0b

localize56.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (* (* (* z (* t x)) y) (sqrt 18.0)) (sqrt 18.0))
0.5b
(* (* (* z (* t x)) y) (sqrt 18.0))
4.2b
(* z (* t x))
5.4b
(* (* z (* t x)) y)

rewrite884.0ms

Algorithm
rewrite-expression-head
Rules
52×pow1 add-cbrt-cube add-exp-log
34×pow-prod-down prod-exp cbrt-unprod
16×associate-*r*
10×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
associate-*l* sqrt-prod
expm1-log1p-u *-commutative log1p-expm1-u add-log-exp
Counts
4 → 104
Calls
4 calls:
647.0ms
(* (* (* (* z (* t x)) y) (sqrt 18.0)) (sqrt 18.0))
156.0ms
(* (* (* z (* t x)) y) (sqrt 18.0))
12.0ms
(* z (* t x))
62.0ms
(* (* z (* t x)) y)

series384.0ms

Counts
4 → 12
Calls
4 calls:
162.0ms
(* (* (* (* z (* t x)) y) (sqrt 18.0)) (sqrt 18.0))
114.0ms
(* (* (* z (* t x)) y) (sqrt 18.0))
41.0ms
(* z (* t x))
67.0ms
(* (* z (* t x)) y)

simplify1.8s

Counts
116 → 116
Iterations
IterNodes
done5000
21617
1384
0140

prune1.2s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0b

regimes3.0s

Accuracy

88.4% (0.5b remaining)

Error of 0.7b against oracle of 0.1b and baseline of 4.6b

bsearch7.0ms

simplify15.0ms

Iterations
IterNodes
done78
178
054

end0.0ms

sample4.8s

Algorithm
intervals
Results
3.4s16153×body80valid