Details

Time bar (total: 20.7s)

sample177.0ms

Algorithm
intervals
Results
122.0ms177×body1280valid
15.0ms40×body640valid
12.0ms222×body80valid
5.0ms24×body320valid
2.0ms11×body160valid

simplify147.0ms

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: 30.8b

localize16.0ms

Local error

Found 2 expressions with local error:

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

rewrite106.0ms

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:
11.0ms
(- (exp x) 2.0)
94.0ms
(+ (- (exp x) 2.0) (exp (- x)))

series97.0ms

Counts
2 → 6
Calls
2 calls:
22.0ms
(- (exp x) 2.0)
75.0ms
(+ (- (exp x) 2.0) (exp (- x)))

simplify1.8s

Counts
41 → 41
Iterations

Useful iterations: 3 (662.0ms)

IterNodesCost
093511
1204465
2579445
32107432
done5000432

prune133.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize15.0ms

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

rewrite82.0ms

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:
42.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
11.0ms
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
12.0ms
(* 1/360 (pow x 6))
12.0ms
(* 1/12 (pow x 4))

series456.0ms

Counts
4 → 12
Calls
4 calls:
96.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
213.0ms
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
77.0ms
(* 1/360 (pow x 6))
70.0ms
(* 1/12 (pow x 4))

simplify4.1s

Counts
87 → 87
Iterations

Useful iterations: done (4.1s)

IterNodesCost
01331068
1331934
2950888
34360870
done5001868

prune311.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x))))
0.0b
(+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))
0.1b
(pow (exp x) 3)
4.9b
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))

rewrite800.0ms

Algorithm
rewrite-expression-head
Rules
134×add-sqr-sqrt
80×*-un-lft-identity
75×times-frac
64×difference-of-squares
51×unpow-prod-down cube-prod
38×add-cube-cbrt
33×sqr-pow
25×associate-/l*
20×distribute-lft-out--
add-log-exp
add-cbrt-cube
add-exp-log
pow1
difference-cubes pow-pow
pow-unpow exp-prod flip3-+ associate-/r* flip-+
+-commutative associate-+l+ div-sub frac-add sum-log associate-/r/ associate-/l/
cbrt-undiv neg-sub0 distribute-rgt-in exp-neg cube-mult pow-to-exp associate-+l- flip3-- frac-2neg distribute-lft-in exp-diff unpow3 div-exp pow-exp clear-num flip-- div-inv distribute-lft-out rem-cube-cbrt
Counts
4 → 174
Calls
4 calls:
172.0ms
(/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x))))
50.0ms
(+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))
5.0ms
(pow (exp x) 3)
563.0ms
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))

series446.0ms

Counts
4 → 12
Calls
4 calls:
114.0ms
(/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x))))
37.0ms
(+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))
36.0ms
(pow (exp x) 3)
259.0ms
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))

simplify2.0s

Counts
186 → 186
Iterations

Useful iterations: done (2.0s)

IterNodesCost
02925623
16815307
224845140
done50015139

prune1.1s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize38.0ms

Local error

Found 4 expressions with local error:

0.1b
(pow (exp x) 3)
4.9b
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))
4.9b
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))
4.9b
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))

rewrite1.5s

Algorithm
rewrite-expression-head
Rules
14×*-un-lft-identity
10×add-log-exp
add-sqr-sqrt add-cube-cbrt
frac-add
pow1 add-cbrt-cube
add-exp-log pow-pow
+-commutative neg-sub0 exp-neg associate-+l- unpow-prod-down pow-unpow exp-prod flip3-+ exp-diff div-sub cube-prod sum-log flip-+ distribute-lft-out
cube-mult pow-to-exp unpow3 pow-exp rem-cube-cbrt sqr-pow
Counts
4 → 71
Calls
4 calls:
10.0ms
(pow (exp x) 3)
472.0ms
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))
537.0ms
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))
506.0ms
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))

series836.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(pow (exp x) 3)
260.0ms
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))
257.0ms
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))
279.0ms
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))

simplify959.0ms

Counts
83 → 83
Iterations

Useful iterations: done (955.0ms)

IterNodesCost
01112175
12672090
28521901
done50001821

prune551.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.0b

regimes38.0ms

Accuracy

0% (0.6b remaining)

Error of 0.6b against oracle of 0.1b and baseline of 0.6b

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01315
11715
done1715

end0.0ms

sample4.9s

Algorithm
intervals
Results
2.8s5582×body1280valid
848.0ms1264×body640valid
518.0ms8085×body80valid
142.0ms651×body320valid
77.0ms324×body160valid