Details

Time bar (total: 22.9s)

sample76.0ms

Algorithm
intervals
Results
38.0ms504×body80valid

simplify10.5s

Counts
1 → 1
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
02831
16629
219729
356729
4119129
5173629
6239129
7371129
8477029
done477029

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.1b

localize24.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 18.0) y)
0.2b
(* (* j 27.0) k)
5.3b
(* (* (* x 18.0) y) z)
5.8b
(* (* (* (* x 18.0) y) z) t)

rewrite116.0ms

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
associate-*l* *-commutative add-log-exp
Counts
4 → 81
Calls
4 calls:
6.0ms
(* (* x 18.0) y)
6.0ms
(* (* j 27.0) k)
20.0ms
(* (* (* x 18.0) y) z)
80.0ms
(* (* (* (* x 18.0) y) z) t)

series114.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(* (* x 18.0) y)
17.0ms
(* (* j 27.0) k)
26.0ms
(* (* (* x 18.0) y) z)
48.0ms
(* (* (* (* x 18.0) y) z) t)

simplify1.2s

Counts
93 → 93
Iterations

Useful iterations: 2 (270.0ms)

IterNodesCost
0137914
1358884
21758678
done5001678

prune355.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.8b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (+ (- (* (* (* x 18.0) y) (* z t)) (* (* a 4.0) t)) (* b c)) (* (* x 4.0) i))
0.2b
(* (* x 18.0) y)
0.2b
(* (* j 27.0) k)
10.6b
(* (* (* x 18.0) y) (* z t))

rewrite841.0ms

Algorithm
rewrite-expression-head
Rules
35×pow1 add-exp-log add-cbrt-cube
21×pow-prod-down prod-exp cbrt-unprod
13×add-log-exp
associate-*r*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
diff-log
associate-*l* *-commutative
sum-log
associate--l- associate-+l- sub-neg flip3-- associate--l+ flip--
Counts
4 → 80
Calls
4 calls:
799.0ms
(- (+ (- (* (* (* x 18.0) y) (* z t)) (* (* a 4.0) t)) (* b c)) (* (* x 4.0) i))
6.0ms
(* (* x 18.0) y)
7.0ms
(* (* j 27.0) k)
26.0ms
(* (* (* x 18.0) y) (* z t))

series530.0ms

Counts
4 → 12
Calls
4 calls:
437.0ms
(- (+ (- (* (* (* x 18.0) y) (* z t)) (* (* a 4.0) t)) (* b c)) (* (* x 4.0) i))
21.0ms
(* (* x 18.0) y)
18.0ms
(* (* j 27.0) k)
53.0ms
(* (* (* x 18.0) y) (* z t))

simplify1.1s

Counts
92 → 92
Iterations

Useful iterations: 2 (261.0ms)

IterNodesCost
01701349
14661312
219591040
done50001040

prune357.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize30.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (+ (- (* (* x 18.0) (* y (* z t))) (* (* a 4.0) t)) (* b c)) (* (* x 4.0) i))
0.2b
(* (* j 27.0) k)
4.8b
(* y (* z t))
5.8b
(* (* x 18.0) (* y (* z t)))

rewrite607.0ms

Algorithm
rewrite-expression-head
Rules
35×pow1 add-exp-log add-cbrt-cube
21×pow-prod-down prod-exp cbrt-unprod
13×add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-*r* associate-*l*
diff-log
*-commutative
sum-log
associate--l- associate-+l- sub-neg flip3-- associate--l+ flip--
Counts
4 → 80
Calls
4 calls:
574.0ms
(- (+ (- (* (* x 18.0) (* y (* z t))) (* (* a 4.0) t)) (* b c)) (* (* x 4.0) i))
6.0ms
(* (* j 27.0) k)
6.0ms
(* y (* z t))
19.0ms
(* (* x 18.0) (* y (* z t)))

series524.0ms

Counts
4 → 12
Calls
4 calls:
430.0ms
(- (+ (- (* (* x 18.0) (* y (* z t))) (* (* a 4.0) t)) (* b c)) (* (* x 4.0) i))
19.0ms
(* (* j 27.0) k)
24.0ms
(* y (* z t))
51.0ms
(* (* x 18.0) (* y (* z t)))

simplify1.2s

Counts
92 → 92
Iterations

Useful iterations: 2 (209.0ms)

IterNodesCost
01671342
14561307
217591071
done50011071

prune359.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 4 expressions with local error:

0.2b
(* 18.0 (* y (* z t)))
0.2b
(* (* j 27.0) k)
4.8b
(* y (* z t))
5.7b
(* x (* 18.0 (* y (* z t))))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
37×pow1 add-exp-log add-cbrt-cube
22×pow-prod-down prod-exp cbrt-unprod
10×associate-*l*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-*r*
*-commutative add-log-exp
Counts
4 → 81
Calls
4 calls:
15.0ms
(* 18.0 (* y (* z t)))
9.0ms
(* (* j 27.0) k)
6.0ms
(* y (* z t))
39.0ms
(* x (* 18.0 (* y (* z t))))

series120.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(* 18.0 (* y (* z t)))
18.0ms
(* (* j 27.0) k)
27.0ms
(* y (* z t))
47.0ms
(* x (* 18.0 (* y (* z t))))

simplify1.0s

Counts
93 → 93
Iterations

Useful iterations: 2 (159.0ms)

IterNodesCost
0130901
1337877
21377671
done5001671

prune319.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

regimes1.3s

Accuracy

86.7% (0.7b remaining)

Error of 0.8b against oracle of 0.1b and baseline of 5.5b

bsearch3.0ms

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
049149
170149
done70149

end0.0ms

sample2.0s

Algorithm
intervals
Results
1.1s16437×body80valid