Details

Time bar (total: 27.3s)

sample153.0ms

Algorithm
intervals
Results
80.0ms481×body80valid

simplify4.1s

Counts
1 → 1
Iterations

Useful iterations: done (4.1s)

IterNodesCost
02831
16729
222127
379527
4364327
done500026

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.6b

localize33.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (* x 18.0) y)
0.7b
(* (* j 27.0) k)
3.9b
(* (* (* (* x 18.0) y) z) t)
5.1b
(* (* (* x 18.0) y) z)

rewrite361.0ms

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:
23.0ms
(* (* x 18.0) y)
31.0ms
(* (* j 27.0) k)
225.0ms
(* (* (* (* x 18.0) y) z) t)
79.0ms
(* (* (* x 18.0) y) z)

series171.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(* (* x 18.0) y)
30.0ms
(* (* j 27.0) k)
73.0ms
(* (* (* (* x 18.0) y) z) t)
45.0ms
(* (* (* x 18.0) y) z)

simplify2.9s

Counts
101 → 101
Iterations

Useful iterations: done (2.9s)

IterNodesCost
0145974
1378944
23123776
done5001772

prune566.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 1.1b

localize31.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (* x 18.0) y)
0.5b
(* j (* 27.0 k))
3.9b
(* (* (* (* x 18.0) y) z) t)
5.1b
(* (* (* x 18.0) y) z)

rewrite319.0ms

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:
18.0ms
(* (* x 18.0) y)
16.0ms
(* j (* 27.0 k))
207.0ms
(* (* (* (* x 18.0) y) z) t)
76.0ms
(* (* (* x 18.0) y) z)

series124.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(* (* x 18.0) y)
19.0ms
(* j (* 27.0 k))
52.0ms
(* (* (* (* x 18.0) y) z) t)
31.0ms
(* (* (* x 18.0) y) z)

simplify2.6s

Counts
101 → 101
Iterations

Useful iterations: done (2.6s)

IterNodesCost
0143971
1366943
22815769
done5001767

prune558.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 1.1b

localize55.0ms

Local error

Found 4 expressions with local error:

0.3b
(* 27.0 (* k j))
0.5b
(* (* x 18.0) y)
3.9b
(* (* (* (* x 18.0) y) z) t)
5.1b
(* (* (* x 18.0) y) z)

rewrite365.0ms

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:
16.0ms
(* 27.0 (* k j))
19.0ms
(* (* x 18.0) y)
252.0ms
(* (* (* (* x 18.0) y) z) t)
75.0ms
(* (* (* x 18.0) y) z)

series183.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(* 27.0 (* k j))
31.0ms
(* (* x 18.0) y)
83.0ms
(* (* (* (* x 18.0) y) z) t)
47.0ms
(* (* (* x 18.0) y) z)

simplify2.4s

Counts
101 → 101
Iterations

Useful iterations: done (2.4s)

IterNodesCost
0141971
1363943
22805745
done5001737

prune518.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 1.1b

localize37.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt z)
0.9b
(* (* (* (cbrt z) (cbrt z)) (* 18.0 (* x y))) (cbrt z))
3.9b
(* (* (* (* (cbrt z) (cbrt z)) (* 18.0 (* x y))) (cbrt z)) t)
4.4b
(* (* (cbrt z) (cbrt z)) (* 18.0 (* x y)))

rewrite1.3s

Algorithm
rewrite-expression-head
Rules
92×pow1 add-exp-log
67×pow-prod-down prod-exp cbrt-unprod
60×add-cbrt-cube
10×associate-*r*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
cbrt-prod
expm1-log1p-u log1p-expm1-u add-log-exp
associate-*l* *-commutative
pow1/3
Counts
4 → 119
Calls
4 calls:
1.0ms
(cbrt z)
290.0ms
(* (* (* (cbrt z) (cbrt z)) (* 18.0 (* x y))) (cbrt z))
875.0ms
(* (* (* (* (cbrt z) (cbrt z)) (* 18.0 (* x y))) (cbrt z)) t)
109.0ms
(* (* (cbrt z) (cbrt z)) (* 18.0 (* x y)))

series604.0ms

Counts
4 → 12
Calls
4 calls:
260.0ms
(cbrt z)
70.0ms
(* (* (* (cbrt z) (cbrt z)) (* 18.0 (* x y))) (cbrt z))
79.0ms
(* (* (* (* (cbrt z) (cbrt z)) (* 18.0 (* x y))) (cbrt z)) t)
195.0ms
(* (* (cbrt z) (cbrt z)) (* 18.0 (* x y)))

simplify2.7s

Counts
131 → 131
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01642201
14942121
231811357
done50011122

prune472.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 1.1b

regimes1.7s

Accuracy

37.2% (3.2b remaining)

Error of 3.9b against oracle of 0.7b and baseline of 5.8b

bsearch202.0ms

Steps
ItersRangePoint
4
1.0831526595779637e-25
2.030564207232714e-25
1.2311857138990182e-25
6
-1.702368960209579e-108
-1.5633722365396782e-109
-1.6788810924362764e-108

simplify6.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
03986
15561
done5561

end0.0ms

sample4.9s

Algorithm
intervals
Results
3.1s16191×body80valid