Details

Time bar (total: 15.2s)

sample149.0ms

Algorithm
intervals
Results
85.0ms163×body1280valid
26.0ms251×body80valid
12.0ms44×body640valid
5.0ms28×body320valid
2.0ms18×body160valid

simplify2.8s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
078
1148
2268
3408
4568
5628
6718
7888
82488
97888
1031328
done50008

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.4b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (exp x) 2.0)
6.4b
(+ (- (exp x) 2.0) (exp (- x)))

rewrite107.0ms

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:
13.0ms
(- (exp x) 2.0)
92.0ms
(+ (- (exp x) 2.0) (exp (- x)))

series99.0ms

Counts
2 → 6
Calls
2 calls:
14.0ms
(- (exp x) 2.0)
84.0ms
(+ (- (exp x) 2.0) (exp (- x)))

simplify697.0ms

Counts
41 → 41
Iterations

Useful iterations: done (695.0ms)

IterNodesCost
093511
1215465
2832445
done5001433

prune180.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 4 expressions with local error:

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

rewrite99.0ms

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
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
34.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
17.0ms
(* 1/360 (pow x 6))
34.0ms
(* 1/12 (pow x 4))

series408.0ms

Counts
4 → 12
Calls
4 calls:
212.0ms
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
73.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
67.0ms
(* 1/360 (pow x 6))
56.0ms
(* 1/12 (pow x 4))

simplify1.0s

Counts
87 → 87
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01331068
1343934
21413888
done5001879

prune339.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (exp (- x)) 2.0)
6.1b
(+ (exp x) (- (exp (- x)) 2.0))

rewrite119.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity add-log-exp
add-sqr-sqrt
pow1 add-exp-log add-cube-cbrt sub-neg associate-+r+ diff-log sum-log add-cbrt-cube distribute-lft-out distribute-lft-out--
+-commutative associate-+r- flip3-- flip3-+ flip-- flip-+ difference-of-squares
Counts
2 → 31
Calls
2 calls:
50.0ms
(- (exp (- x)) 2.0)
68.0ms
(+ (exp x) (- (exp (- x)) 2.0))

series121.0ms

Counts
2 → 6
Calls
2 calls:
33.0ms
(- (exp (- x)) 2.0)
88.0ms
(+ (exp x) (- (exp (- x)) 2.0))

simplify628.0ms

Counts
37 → 37
Iterations

Useful iterations: 2 (154.0ms)

IterNodesCost
077392
1197364
2764344
done5001344

prune109.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize33.0ms

Local error

Found 4 expressions with local error:

0.1b
(* 1/12 (pow x 4))
0.1b
(* 1/12 (pow x 4))
0.1b
(* 1/12 (pow x 4))
39.6b
(/ (- (pow x 4) (* (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))) (- (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))))

rewrite210.0ms

Algorithm
rewrite-expression-head
Rules
104×add-sqr-sqrt
55×difference-of-squares
48×times-frac
43×*-un-lft-identity
29×add-cube-cbrt
28×unpow-prod-down
22×sqr-pow
21×add-exp-log associate-*r*
12×add-cbrt-cube
associate-*l* prod-exp unswap-sqr
associate-/r*
distribute-lft-out-- unpow2
associate-/l*
pow1 add-log-exp
pow-to-exp pow-exp *-commutative cbrt-unprod
flip3-- associate-/r/ flip-- associate-/l/
cbrt-undiv frac-2neg div-sub div-exp clear-num div-inv
Counts
4 → 154
Calls
4 calls:
24.0ms
(* 1/12 (pow x 4))
13.0ms
(* 1/12 (pow x 4))
13.0ms
(* 1/12 (pow x 4))
144.0ms
(/ (- (pow x 4) (* (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))) (- (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))))

series443.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(* 1/12 (pow x 4))
46.0ms
(* 1/12 (pow x 4))
79.0ms
(* 1/12 (pow x 4))
248.0ms
(/ (- (pow x 4) (* (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))) (- (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))))

simplify1.5s

Counts
166 → 166
Iterations

Useful iterations: done (1.5s)

IterNodesCost
02156005
15325797
221665482
done50004898

prune663.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes29.0ms

Accuracy

0% (0.6b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01315
11715
done1715

end0.0ms

sample5.4s

Algorithm
intervals
Results
3.5s5632×body1280valid
484.0ms310×body160valid
419.0ms7937×body80valid
384.0ms1242×body640valid
172.0ms653×body320valid