Details

Time bar (total: 23.8s)

sample156.0ms

Algorithm
intervals
Results
92.0ms527×body80valid

simplify6.8s

Counts
1 → 1
Iterations

Useful iterations: 5 (5.6s)

IterNodesCost
02831
16729
222127
375727
4262327
5439726
done500026

prune17.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.6b

localize52.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* j 27.0) k)
0.2b
(* (* x 18.0) y)
4.9b
(* (* (* x 18.0) y) z)
5.9b
(* (* (* (* x 18.0) y) z) t)

rewrite449.0ms

Algorithm
rewrite-expression-head
Rules
37×pow1 add-exp-log add-cbrt-cube
22×pow-prod-down prod-exp cbrt-unprod
12×associate-*r*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u associate-*l* *-commutative log1p-expm1-u add-log-exp
Counts
4 → 89
Calls
4 calls:
21.0ms
(* (* j 27.0) k)
31.0ms
(* (* x 18.0) y)
87.0ms
(* (* (* x 18.0) y) z)
307.0ms
(* (* (* (* x 18.0) y) z) t)

series189.0ms

Counts
4 → 12
Calls
4 calls:
25.0ms
(* (* j 27.0) k)
34.0ms
(* (* x 18.0) y)
69.0ms
(* (* (* x 18.0) y) z)
61.0ms
(* (* (* (* x 18.0) y) z) t)

simplify2.3s

Counts
101 → 101
Iterations

Useful iterations: 2 (415.0ms)

IterNodesCost
0145974
1358944
21696738
done5001738

prune563.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize56.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma t a (* x i))
0.1b
(fma (* (* t y) (* z x)) 18.0 (fma c b (- (fma 4.0 (fma t a (* x i)) (* (* j 27.0) k)))))
0.2b
(* (* j 27.0) k)
11.5b
(* (* t y) (* z x))

rewrite118.0ms

Algorithm
rewrite-expression-head
Rules
21×pow1 add-exp-log add-cbrt-cube
11×pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u associate-*r* log1p-expm1-u add-log-exp
associate-*l* *-commutative fma-udef
Counts
4 → 64
Calls
4 calls:
1.0ms
(fma t a (* x i))
1.0ms
(fma (* (* t y) (* z x)) 18.0 (fma c b (- (fma 4.0 (fma t a (* x i)) (* (* j 27.0) k)))))
39.0ms
(* (* j 27.0) k)
74.0ms
(* (* t y) (* z x))

series3.2s

Counts
4 → 12
Calls
4 calls:
65.0ms
(fma t a (* x i))
3.0s
(fma (* (* t y) (* z x)) 18.0 (fma c b (- (fma 4.0 (fma t a (* x i)) (* (* j 27.0) k)))))
40.0ms
(* (* j 27.0) k)
75.0ms
(* (* t y) (* z x))

simplify1.2s

Counts
76 → 76
Iterations

Useful iterations: 2 (158.0ms)

IterNodesCost
0130904
1285889
21149725
done5000725

prune391.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 18.0) y)
0.3b
(* j (* 27.0 k))
4.9b
(* (* (* x 18.0) y) z)
5.9b
(* (* (* (* x 18.0) y) z) t)

rewrite302.0ms

Algorithm
rewrite-expression-head
Rules
37×pow1 add-exp-log add-cbrt-cube
22×pow-prod-down prod-exp cbrt-unprod
10×associate-*r*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-*l*
expm1-log1p-u *-commutative log1p-expm1-u add-log-exp
Counts
4 → 89
Calls
4 calls:
19.0ms
(* (* x 18.0) y)
18.0ms
(* j (* 27.0 k))
58.0ms
(* (* (* x 18.0) y) z)
205.0ms
(* (* (* (* x 18.0) y) z) t)

series144.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(* (* x 18.0) y)
22.0ms
(* j (* 27.0 k))
33.0ms
(* (* (* x 18.0) y) z)
58.0ms
(* (* (* (* x 18.0) y) z) t)

simplify1.2s

Counts
101 → 101
Iterations

Useful iterations: 2 (260.0ms)

IterNodesCost
0143971
1350943
21659737
done5000737

prune419.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.0b

localize30.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 18.0) y)
0.3b
(* 27.0 (* k j))
4.9b
(* (* (* x 18.0) y) z)
5.9b
(* (* (* (* x 18.0) y) z) t)

rewrite297.0ms

Algorithm
rewrite-expression-head
Rules
37×pow1 add-exp-log add-cbrt-cube
22×pow-prod-down prod-exp cbrt-unprod
10×associate-*r*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-*l*
expm1-log1p-u *-commutative log1p-expm1-u add-log-exp
Counts
4 → 89
Calls
4 calls:
19.0ms
(* (* x 18.0) y)
17.0ms
(* 27.0 (* k j))
56.0ms
(* (* (* x 18.0) y) z)
202.0ms
(* (* (* (* x 18.0) y) z) t)

series138.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(* (* x 18.0) y)
24.0ms
(* 27.0 (* k j))
37.0ms
(* (* (* x 18.0) y) z)
53.0ms
(* (* (* (* x 18.0) y) z) t)

simplify1.2s

Counts
101 → 101
Iterations

Useful iterations: 2 (257.0ms)

IterNodesCost
0141971
1346943
21636737
done5000737

prune393.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.0b

regimes642.0ms

Accuracy

78.2% (1.3b remaining)

Error of 1.5b against oracle of 0.2b and baseline of 6.1b

bsearch3.0ms

simplify6.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
045139
166114
done66114

end0.0ms

sample3.7s

Algorithm
intervals
Results
2.8s16195×body80valid