Details

Time bar (total: 58.2s)

sample190.0ms

Algorithm
intervals
Results
103.0ms512×body80valid

simplify36.2s

Counts
1 → 1
Iterations

Useful iterations: 2 (248.0ms)

IterNodesCost
02831
19529
2100427
done500027

prune16.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 4.1b

localize45.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* j 27.0) k)
0.2b
(* (* x 18.0) y)
4.6b
(* (* (* (* x 18.0) y) z) t)
4.8b
(* (* (* x 18.0) y) z)

rewrite378.0ms

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:
36.0ms
(* (* j 27.0) k)
30.0ms
(* (* x 18.0) y)
218.0ms
(* (* (* (* x 18.0) y) z) t)
87.0ms
(* (* (* x 18.0) y) z)

series160.0ms

Counts
4 → 12
Calls
4 calls:
25.0ms
(* (* j 27.0) k)
29.0ms
(* (* x 18.0) y)
72.0ms
(* (* (* (* x 18.0) y) z) t)
34.0ms
(* (* (* x 18.0) y) z)

simplify2.6s

Counts
101 → 101
Iterations

Useful iterations: done (2.6s)

IterNodesCost
0145974
1815944
done5001738

prune506.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.5b

localize34.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* (* (* x 18.0) y) (* z t)) (* (* a 4.0) t))
0.2b
(* (* j 27.0) k)
0.2b
(* (* x 18.0) y)
7.5b
(* (* (* x 18.0) y) (* z t))

rewrite226.0ms

Algorithm
rewrite-expression-head
Rules
35×pow1 add-exp-log add-cbrt-cube
21×pow-prod-down prod-exp cbrt-unprod
associate-*r*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-log-exp
expm1-log1p-u log1p-expm1-u
associate-*l* *-commutative
sub-neg flip3-- fma-neg diff-log prod-diff flip--
Counts
4 → 86
Calls
4 calls:
76.0ms
(- (* (* (* x 18.0) y) (* z t)) (* (* a 4.0) t))
20.0ms
(* (* j 27.0) k)
20.0ms
(* (* x 18.0) y)
107.0ms
(* (* (* x 18.0) y) (* z t))

series263.0ms

Counts
4 → 12
Calls
4 calls:
150.0ms
(- (* (* (* x 18.0) y) (* z t)) (* (* a 4.0) t))
21.0ms
(* (* j 27.0) k)
31.0ms
(* (* x 18.0) y)
61.0ms
(* (* (* x 18.0) y) (* z t))

simplify2.7s

Counts
98 → 98
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01611188
18701131
done5000897

prune461.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize38.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* j 27.0) k)
0.2b
(* (* x 18.0) y)
2.2b
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
4.8b
(* (* (* x 18.0) y) z)

rewrite500.0ms

Algorithm
rewrite-expression-head
Rules
25×pow1 add-exp-log add-cbrt-cube
13×pow-prod-down prod-exp cbrt-unprod
12×associate-*r*
11×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
associate-*l*
expm1-log1p-u *-commutative log1p-expm1-u add-log-exp
distribute-rgt-in distribute-lft-in
sub-neg associate-*r/ prod-diff
flip3-- flip-- unswap-sqr
Counts
4 → 91
Calls
4 calls:
17.0ms
(* (* j 27.0) k)
18.0ms
(* (* x 18.0) y)
362.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
97.0ms
(* (* (* x 18.0) y) z)

series296.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(* (* j 27.0) k)
32.0ms
(* (* x 18.0) y)
183.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
58.0ms
(* (* (* x 18.0) y) z)

simplify2.4s

Counts
103 → 103
Iterations

Useful iterations: done (2.4s)

IterNodesCost
01751127
110351090
done5000931

prune667.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize39.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* (* x (* 18.0 y)) (* z t)) (* (* a 4.0) t))
0.2b
(* (* j 27.0) k)
0.2b
(* x (* 18.0 y))
7.5b
(* (* x (* 18.0 y)) (* z t))

rewrite173.0ms

Algorithm
rewrite-expression-head
Rules
35×pow1 add-exp-log add-cbrt-cube
21×pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-log-exp
associate-*r* associate-*l*
expm1-log1p-u log1p-expm1-u
*-commutative
sub-neg flip3-- fma-neg diff-log prod-diff flip--
Counts
4 → 86
Calls
4 calls:
71.0ms
(- (* (* x (* 18.0 y)) (* z t)) (* (* a 4.0) t))
25.0ms
(* (* j 27.0) k)
18.0ms
(* x (* 18.0 y))
56.0ms
(* (* x (* 18.0 y)) (* z t))

series287.0ms

Counts
4 → 12
Calls
4 calls:
161.0ms
(- (* (* x (* 18.0 y)) (* z t)) (* (* a 4.0) t))
28.0ms
(* (* j 27.0) k)
27.0ms
(* x (* 18.0 y))
70.0ms
(* (* x (* 18.0 y)) (* z t))

simplify2.5s

Counts
98 → 98
Iterations

Useful iterations: done (2.5s)

IterNodesCost
01591187
18191132
done5001898

prune466.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

regimes1.5s

Accuracy

69.3% (1.7b remaining)

Error of 1.9b against oracle of 0.1b and baseline of 5.7b

bsearch373.0ms

Steps
ItersRangePoint
8
1.0077154892812141e-51
2.5722646923733512e-48
2.3115122350543716e-51
6
-4.1501676413993586e-08
-5.67055232401073e-09
-2.1951557118091558e-08

simplify8.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
047115
17178
done7178

end0.0ms

sample5.2s

Algorithm
intervals
Results
3.5s15963×body80valid