Details

Time bar (total: 17.1s)

sample91.0ms

Algorithm
intervals
Results
57.0ms174×body1280valid
8.0ms45×body640valid
8.0ms271×body80valid
3.0ms24×body320valid
1.0msbody160valid

simplify181.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
078
1148
2268
3408
4498
5548
6638
7808
8958
91038
101118
done1118

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.1b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (exp x) 2.0)
5.1b
(+ (- (exp x) 2.0) (exp (- x)))

rewrite92.0ms

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:
15.0ms
(- (exp x) 2.0)
75.0ms
(+ (- (exp x) 2.0) (exp (- x)))

series99.0ms

Counts
2 → 6
Calls
2 calls:
27.0ms
(- (exp x) 2.0)
72.0ms
(+ (- (exp x) 2.0) (exp (- x)))

simplify1.8s

Counts
41 → 41
Iterations

Useful iterations: 3 (589.0ms)

IterNodesCost
093511
1204465
2579445
32107432
done5000432

prune154.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 3 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))
0.1b
(* 1/12 (pow x 4))

rewrite80.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
14×associate-*r*
13×add-exp-log
11×*-un-lft-identity
add-cube-cbrt
unpow-prod-down add-log-exp
add-cbrt-cube
associate-*l* prod-exp unswap-sqr
sqr-pow
pow1 sum-log
pow-to-exp pow-exp *-commutative cbrt-unprod
+-commutative associate-+r+ flip3-+ flip-+ distribute-lft-out
Counts
3 → 64
Calls
3 calls:
30.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
24.0ms
(* 1/360 (pow x 6))
23.0ms
(* 1/12 (pow x 4))

series214.0ms

Counts
3 → 9
Calls
3 calls:
89.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
62.0ms
(* 1/360 (pow x 6))
63.0ms
(* 1/12 (pow x 4))

simplify3.6s

Counts
73 → 73
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
0120818
1284739
2786691
33607673
done5000673

prune264.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 1/360 (pow x 6))
0.1b
(* 1/12 (pow x 4))
0.2b
(pow (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))) 3)
22.0b
(cbrt (pow (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))) 3))

rewrite171.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
24×*-un-lft-identity
16×add-cube-cbrt unpow-prod-down
15×add-exp-log
14×cbrt-prod associate-*r*
add-cbrt-cube
cube-prod
associate-*l* prod-exp unswap-sqr sqr-pow
pow1
cube-div distribute-lft-out add-log-exp
pow-to-exp pow-unpow pow-exp
cube-mult cbrt-div flip3-+ unpow3 *-commutative cbrt-unprod flip-+
pow-pow pow1/3 rem-cbrt-cube rem-cube-cbrt
Counts
4 → 102
Calls
4 calls:
22.0ms
(* 1/360 (pow x 6))
28.0ms
(* 1/12 (pow x 4))
74.0ms
(pow (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))) 3)
45.0ms
(cbrt (pow (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))) 3))

series335.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(* 1/360 (pow x 6))
57.0ms
(* 1/12 (pow x 4))
132.0ms
(pow (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))) 3)
71.0ms
(cbrt (pow (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))) 3))

simplify936.0ms

Counts
114 → 114
Iterations

Useful iterations: done (926.0ms)

IterNodesCost
01812128
14241835
212161643
done50011627

prune331.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(* 7/240 (pow x 10))
21.9b
(cbrt (+ (* 1/4 (pow x 8)) (+ (pow x 6) (* 7/240 (pow x 10)))))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
add-exp-log associate-*r*
add-cube-cbrt *-un-lft-identity
unpow-prod-down add-cbrt-cube
cbrt-prod associate-*l* prod-exp unswap-sqr
pow1 cbrt-div add-log-exp sqr-pow
pow-to-exp flip3-+ pow1/3 pow-exp *-commutative cbrt-unprod flip-+
Counts
2 → 38
Calls
2 calls:
23.0ms
(* 7/240 (pow x 10))
34.0ms
(cbrt (+ (* 1/4 (pow x 8)) (+ (pow x 6) (* 7/240 (pow x 10)))))

series352.0ms

Counts
2 → 6
Calls
2 calls:
110.0ms
(* 7/240 (pow x 10))
242.0ms
(cbrt (+ (* 1/4 (pow x 8)) (+ (pow x 6) (* 7/240 (pow x 10)))))

simplify2.6s

Counts
44 → 44
Iterations

Useful iterations: done (2.6s)

IterNodesCost
0122725
1287680
2766632
32806596
done5002586

prune228.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes34.0ms

Accuracy

0% (0.6b remaining)

Error of 0.7b against oracle of 0.1b and baseline of 0.7b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01315
11715
done1715

end0.0ms

sample5.3s

Algorithm
intervals
Results
3.3s5618×body1280valid
644.0ms604×body320valid
408.0ms7860×body80valid
372.0ms1281×body640valid
86.0ms319×body160valid