Details

Time bar (total: 26.6s)

sample131.0ms

Algorithm
intervals
Results
84.0ms173×body1280valid
14.0ms238×body80valid
12.0ms44×body640valid
3.0ms17×body320valid
1.0ms11×body160valid

simplify11.3s

Counts
1 → 1

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.7b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (exp x) 2.0)
3.6b
(+ (- (exp x) 2.0) (exp (- x)))

rewrite112.0ms

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:
21.0ms
(- (exp x) 2.0)
89.0ms
(+ (- (exp x) 2.0) (exp (- x)))

series123.0ms

Counts
2 → 6
Calls
2 calls:
15.0ms
(- (exp x) 2.0)
107.0ms
(+ (- (exp x) 2.0) (exp (- x)))

simplify1.2s

Counts
41 → 41

prune156.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize22.0ms

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))

rewrite90.0ms

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:
53.0ms
(+ (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))

series467.0ms

Counts
4 → 12
Calls
4 calls:
102.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
226.0ms
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
97.0ms
(* 1/360 (pow x 6))
42.0ms
(* 1/12 (pow x 4))

simplify722.0ms

Counts
87 → 87

prune353.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- (* (- (exp x) 2.0) (- (exp x) 2.0)) (* (exp (- x)) (exp (- x)))) (- (- (exp x) 2.0) (exp (- x))))
0.0b
(* (- (exp x) 2.0) (- (exp x) 2.0))
0.1b
(* (exp (- x)) (exp (- x)))
3.6b
(- (* (- (exp x) 2.0) (- (exp x) 2.0)) (* (exp (- x)) (exp (- x))))

rewrite504.0ms

Algorithm
rewrite-expression-head
Rules
148×frac-sub
144×frac-times
121×exp-neg
119×flip3-- flip--
104×neg-sub0 exp-diff
95×*-un-lft-identity
76×exp-prod
74×associate-/l/
72×associate-*r/ associate-*l/
64×add-sqr-sqrt
42×add-cube-cbrt
24×distribute-rgt-neg-in times-frac
21×distribute-lft-out--
20×distribute-lft-neg-in
18×pow1
17×un-div-inv difference-of-squares
16×pow-prod-down
14×pow-sqr pow-prod-up
10×swap-sqr add-cbrt-cube
add-exp-log neg-mul-1 associate-*r* associate-*l*
associate-/r* associate-/r/ add-log-exp
sub-neg
distribute-rgt-in distribute-lft-in associate--l+ associate-/l*
pow2 pow-plus prod-exp *-commutative cbrt-unprod unswap-sqr
cbrt-undiv frac-2neg diff-log div-sub div-exp clear-num div-inv
Counts
4 → 333
Calls
4 calls:
262.0ms
(/ (- (* (- (exp x) 2.0) (- (exp x) 2.0)) (* (exp (- x)) (exp (- x)))) (- (- (exp x) 2.0) (exp (- x))))
79.0ms
(* (- (exp x) 2.0) (- (exp x) 2.0))
69.0ms
(* (exp (- x)) (exp (- x)))
57.0ms
(- (* (- (exp x) 2.0) (- (exp x) 2.0)) (* (exp (- x)) (exp (- x))))

series429.0ms

Counts
4 → 12
Calls
4 calls:
237.0ms
(/ (- (* (- (exp x) 2.0) (- (exp x) 2.0)) (* (exp (- x)) (exp (- x)))) (- (- (exp x) 2.0) (exp (- x))))
36.0ms
(* (- (exp x) 2.0) (- (exp x) 2.0))
18.0ms
(* (exp (- x)) (exp (- x)))
137.0ms
(- (* (- (exp x) 2.0) (- (exp x) 2.0)) (* (exp (- x)) (exp (- x))))

simplify671.0ms

Counts
345 → 345

prune1.4s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize69.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow (exp x) 2)
0.0b
(pow (exp x) 2)
0.1b
(pow (exp x) 3)
3.1b
(- (* (* (- (pow (exp x) 3) (pow 2.0 3)) (- (exp x) 2.0)) (* (exp x) (exp x))) (* (+ (* (exp x) (exp x)) (+ (* 2.0 2.0) (* (exp x) 2.0))) (* 1 (exp 0))))

rewrite388.0ms

Algorithm
rewrite-expression-head
Rules
36×associate-*l/
16×frac-sub
14×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
13×flip3-- flip--
12×pow-pow
unpow-prod-down pow-unpow exp-prod
frac-times flip3-+ flip-+
pow1
add-log-exp
add-cbrt-cube
add-exp-log associate-*r/
pow-to-exp cube-prod pow-exp sqr-pow
unpow2
cube-mult sub-neg diff-log unpow3 rem-cube-cbrt
Counts
4 → 96
Calls
4 calls:
10.0ms
(pow (exp x) 2)
9.0ms
(pow (exp x) 2)
9.0ms
(pow (exp x) 3)
351.0ms
(- (* (* (- (pow (exp x) 3) (pow 2.0 3)) (- (exp x) 2.0)) (* (exp x) (exp x))) (* (+ (* (exp x) (exp x)) (+ (* 2.0 2.0) (* (exp x) 2.0))) (* 1 (exp 0))))

series429.0ms

Counts
4 → 12
Calls
4 calls:
15.0ms
(pow (exp x) 2)
22.0ms
(pow (exp x) 2)
41.0ms
(pow (exp x) 3)
351.0ms
(- (* (* (- (pow (exp x) 3) (pow 2.0 3)) (- (exp x) 2.0)) (* (exp x) (exp x))) (* (+ (* (exp x) (exp x)) (+ (* 2.0 2.0) (* (exp x) 2.0))) (* 1 (exp 0))))

simplify561.0ms

Counts
108 → 108

prune868.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

regimes69.0ms

Accuracy

39.5% (0.4b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.7b

bsearch87.0ms

Steps
ItersRangePoint
8
0.00022617661863457038
0.061554017742428864
0.0307964164762587

simplify1.3s

end0.0ms

sample5.2s

Algorithm
intervals
Results
3.7s5637×body1280valid
493.0ms8070×body80valid
344.0ms1207×body640valid
119.0ms667×body320valid
36.0ms312×body160valid