Details

Time bar (total: 15.1s)

sample59.0ms

Algorithm
intervals
Results
21.0ms88×body1280valid
12.0ms23×body320valid
5.0ms172×body80valid
5.0ms37×body640valid
1.0ms18×body160valid

simplify3.7s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
066
1116
2186
3266
4496
51136
64406
733146
done50026

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.8b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
4.6b
(- (exp (* a x)) 1.0)

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
add-sqr-sqrt *-un-lft-identity
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
sub-neg exp-prod flip3-- exp-to-pow diff-log flip-- rem-exp-log distribute-lft-out-- difference-of-squares
Counts
2 → 24
Calls
2 calls:
8.0ms
(exp (* a x))
26.0ms
(- (exp (* a x)) 1.0)

series93.0ms

Counts
2 → 6
Calls
2 calls:
25.0ms
(exp (* a x))
68.0ms
(- (exp (* a x)) 1.0)

simplify1.6s

Counts
30 → 30
Iterations

Useful iterations: 3 (517.0ms)

IterNodesCost
053263
1116248
2388232
32010228
done5001228

prune153.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 8.8b

localize34.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- (exp (* 2 (* a x))) (* 1.0 1.0)) (+ (exp (* a x)) 1.0))
0.0b
(* 2 (* a x))
0.0b
(+ (exp (* a x)) 1.0)
4.5b
(- (exp (* 2 (* a x))) (* 1.0 1.0))

rewrite174.0ms

Algorithm
rewrite-expression-head
Rules
27×*-un-lft-identity
21×add-sqr-sqrt
16×times-frac
15×add-cube-cbrt
11×add-exp-log add-cbrt-cube
pow1
add-log-exp
distribute-lft-out difference-of-squares
associate-/r* associate-/l*
associate-*l* pow-prod-down prod-exp cbrt-unprod
flip3-- flip3-+ associate-/r/ flip-- flip-+ associate-/l/
cbrt-undiv +-commutative sub-neg frac-2neg diff-log div-sub div-exp associate-*r* clear-num sum-log *-commutative div-inv
Counts
4 → 84
Calls
4 calls:
99.0ms
(/ (- (exp (* 2 (* a x))) (* 1.0 1.0)) (+ (exp (* a x)) 1.0))
42.0ms
(* 2 (* a x))
10.0ms
(+ (exp (* a x)) 1.0)
20.0ms
(- (exp (* 2 (* a x))) (* 1.0 1.0))

series181.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(/ (- (exp (* 2 (* a x))) (* 1.0 1.0)) (+ (exp (* a x)) 1.0))
25.0ms
(* 2 (* a x))
19.0ms
(+ (exp (* a x)) 1.0)
55.0ms
(- (exp (* 2 (* a x))) (* 1.0 1.0))

simplify1.0s

Counts
96 → 96
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01571763
14121705
217001563
done50011511

prune818.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 8.8b

localize38.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp (* a x)) 1.0)
0.0b
(/ (- (exp (* (* a x) 4)) (pow 1.0 4)) (+ (* 1.0 1.0) (exp (* 2 (* a x)))))
0.0b
(* (* a x) 4)
4.5b
(- (exp (* (* a x) 4)) (pow 1.0 4))

rewrite169.0ms

Algorithm
rewrite-expression-head
Rules
42×add-sqr-sqrt
29×*-un-lft-identity
21×times-frac
17×add-cube-cbrt
15×difference-of-squares
11×add-exp-log add-cbrt-cube
pow1
add-log-exp
associate-/l*
unpow-prod-down distribute-lft-out-- sqr-pow
associate-*r* pow-prod-down prod-exp associate-/r* cbrt-unprod
flip3-- flip3-+ associate-/r/ flip-- flip-+ associate-/l/
cbrt-undiv +-commutative sub-neg frac-2neg diff-log div-sub div-exp associate-*l* clear-num sum-log *-commutative div-inv distribute-lft-out
Counts
4 → 94
Calls
4 calls:
20.0ms
(+ (exp (* a x)) 1.0)
94.0ms
(/ (- (exp (* (* a x) 4)) (pow 1.0 4)) (+ (* 1.0 1.0) (exp (* 2 (* a x)))))
18.0ms
(* (* a x) 4)
29.0ms
(- (exp (* (* a x) 4)) (pow 1.0 4))

series213.0ms

Counts
4 → 12
Calls
4 calls:
21.0ms
(+ (exp (* a x)) 1.0)
115.0ms
(/ (- (exp (* (* a x) 4)) (pow 1.0 4)) (+ (* 1.0 1.0) (exp (* 2 (* a x)))))
21.0ms
(* (* a x) 4)
55.0ms
(- (exp (* (* a x) 4)) (pow 1.0 4))

simplify1.7s

Counts
106 → 106
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02022414
15322335
224802173
done50012163

prune687.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 8.8b

localize40.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (+ (* 1.0 1.0) (exp (* 2 (* a x)))))
0.6b
(cbrt (+ (* 1.0 1.0) (exp (* 2 (* a x)))))
0.6b
(cbrt (+ (* 1.0 1.0) (exp (* 2 (* a x)))))
4.5b
(- (exp (* (* a x) 4)) (pow 1.0 4))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
cbrt-prod *-un-lft-identity
add-cube-cbrt
cbrt-div add-log-exp
pow1 add-exp-log add-cbrt-cube
flip3-+ pow1/3 flip-+ difference-of-squares
sub-neg unpow-prod-down flip3-- diff-log flip-- distribute-lft-out-- sqr-pow
Counts
4 → 55
Calls
4 calls:
10.0ms
(cbrt (+ (* 1.0 1.0) (exp (* 2 (* a x)))))
18.0ms
(cbrt (+ (* 1.0 1.0) (exp (* 2 (* a x)))))
20.0ms
(cbrt (+ (* 1.0 1.0) (exp (* 2 (* a x)))))
23.0ms
(- (exp (* (* a x) 4)) (pow 1.0 4))

series602.0ms

Counts
4 → 12
Calls
4 calls:
203.0ms
(cbrt (+ (* 1.0 1.0) (exp (* 2 (* a x)))))
163.0ms
(cbrt (+ (* 1.0 1.0) (exp (* 2 (* a x)))))
168.0ms
(cbrt (+ (* 1.0 1.0) (exp (* 2 (* a x)))))
69.0ms
(- (exp (* (* a x) 4)) (pow 1.0 4))

simplify692.0ms

Counts
67 → 67
Iterations

Useful iterations: done (688.0ms)

IterNodesCost
01031295
12511238
29391089
done50001067

prune563.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 8.8b

regimes410.0ms

Accuracy

94.7% (1.2b remaining)

Error of 9.1b against oracle of 7.9b and baseline of 29.8b

bsearch2.0ms

simplify8.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
04292
15492
done5492

end0.0ms

sample2.1s

Algorithm
intervals
Results
848.0ms2756×body1280valid
264.0ms5402×body80valid
248.0ms1365×body640valid
226.0ms751×body320valid
29.0ms355×body160valid