Details

Time bar (total: 10.0s)

sample79.0ms

Algorithm
intervals
Results
54.0ms178×body1280valid
6.0ms284×body80valid
5.0ms36×body640valid
2.0ms20×body320valid
1.0ms19×body160valid

simplify96.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
078
1148
2268
3388
4498
5548
6638
7808
8998
91068
101108
111148
done1148

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.9b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (exp x) 2.0)
6.0b
(+ (- (exp x) 2.0) (exp (- x)))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity add-log-exp
add-sqr-sqrt frac-add
flip3-- flip--
pow1 add-exp-log neg-sub0 exp-neg add-cube-cbrt sub-neg associate-+l+ exp-diff diff-log sum-log add-cbrt-cube distribute-lft-out distribute-lft-out--
+-commutative associate-+l- flip3-+ flip-+ difference-of-squares
Counts
2 → 35
Calls
2 calls:
4.0ms
(- (exp x) 2.0)
21.0ms
(+ (- (exp x) 2.0) (exp (- x)))

series69.0ms

Counts
2 → 6
Calls
2 calls:
13.0ms
(- (exp x) 2.0)
57.0ms
(+ (- (exp x) 2.0) (exp (- x)))

simplify1.3s

Counts
41 → 41
Iterations

Useful iterations: 3 (345.0ms)

IterNodesCost
093511
1212465
2564445
31948432
done5000432

prune98.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
0.0b
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
0.0b
(* 1/360 (pow x 6))
0.1b
(* 1/12 (pow x 4))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
14×add-exp-log associate-*r*
12×*-un-lft-identity
11×add-log-exp
10×add-cube-cbrt
unpow-prod-down add-cbrt-cube
associate-*l* prod-exp unswap-sqr
pow1 sum-log sqr-pow
+-commutative pow-to-exp flip3-+ pow-exp *-commutative cbrt-unprod flip-+
associate-+r+ distribute-lft-out
Counts
4 → 75
Calls
4 calls:
11.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
3.0ms
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
5.0ms
(* 1/360 (pow x 6))
5.0ms
(* 1/12 (pow x 4))

series282.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
137.0ms
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
48.0ms
(* 1/360 (pow x 6))
39.0ms
(* 1/12 (pow x 4))

simplify724.0ms

Counts
87 → 87
Iterations

Useful iterations: 2 (138.0ms)

IterNodesCost
01331068
1334934
2939888
done5000888

prune217.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp x) 2.0)
0.0b
(+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))
0.1b
(pow (exp x) 3)
6.5b
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))

rewrite217.0ms

Algorithm
rewrite-expression-head
Rules
12×*-un-lft-identity
10×add-log-exp
add-sqr-sqrt add-cube-cbrt
pow1 add-cbrt-cube
add-exp-log pow-pow
+-commutative unpow-prod-down pow-unpow exp-prod flip3-+ cube-prod sum-log flip-+
associate-+l+ frac-add distribute-lft-out
neg-sub0 distribute-rgt-in exp-neg cube-mult pow-to-exp associate-+l- distribute-lft-in exp-diff unpow3 div-sub pow-exp rem-cube-cbrt sqr-pow
Counts
4 → 66
Calls
4 calls:
3.0ms
(+ (exp x) 2.0)
11.0ms
(+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))
2.0ms
(pow (exp x) 3)
199.0ms
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))

series271.0ms

Counts
4 → 12
Calls
4 calls:
8.0ms
(+ (exp x) 2.0)
39.0ms
(+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))
24.0ms
(pow (exp x) 3)
200.0ms
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))

simplify698.0ms

Counts
78 → 78
Iterations

Useful iterations: 2 (179.0ms)

IterNodesCost
01591231
13991158
213771053
done50001053

prune231.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.1b
(pow (exp x) 3)
0.1b
(pow (exp x) 3)
0.1b
(pow (exp x) 3)
6.7b
(- (* (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x))))) (exp (* x -2)))

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
16×add-cube-cbrt *-un-lft-identity
12×pow-pow
unpow-prod-down pow-unpow exp-prod cube-prod
pow1 add-cbrt-cube
add-log-exp
add-exp-log
cube-mult pow-to-exp unpow3 pow-exp rem-cube-cbrt sqr-pow
sub-neg flip3-- diff-log flip-- difference-of-squares
Counts
4 → 91
Calls
4 calls:
4.0ms
(pow (exp x) 3)
2.0ms
(pow (exp x) 3)
2.0ms
(pow (exp x) 3)
59.0ms
(- (* (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x))))) (exp (* x -2)))

series467.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(pow (exp x) 3)
28.0ms
(pow (exp x) 3)
24.0ms
(pow (exp x) 3)
391.0ms
(- (* (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x))))) (exp (* x -2)))

simplify2.4s

Counts
103 → 103
Iterations

Useful iterations: 3 (657.0ms)

IterNodesCost
01091624
12611470
27751260
344641196
done50001196

prune361.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

regimes22.0ms

Accuracy

0% (0.6b remaining)

Error of 0.7b against oracle of 0.0b and baseline of 0.7b

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01315
11715
done1715

end0.0ms

sample2.3s

Algorithm
intervals
Results
1.6s5681×body1280valid
187.0ms1254×body640valid
183.0ms8261×body80valid
54.0ms603×body320valid
17.0ms295×body160valid