Details

Time bar (total: 4.2s)

sample32.0ms

Algorithm
intervals
Results
10.0ms53×body1280valid
7.0ms48×body640valid
3.0ms129×body80valid
2.0ms18×body320valid
0.0msbody160valid

simplify61.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0155
1225
2305
3525
41145
53225
616275
750025
done50025

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.1b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1.0 (exp (* -2.0 x)))
0.0b
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
3.1b
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

rewrite91.0ms

Algorithm
rewrite-expression-head
Rules
24×*-un-lft-identity
17×add-sqr-sqrt
13×times-frac
12×add-cube-cbrt
add-log-exp
add-exp-log add-cbrt-cube distribute-lft-out
associate-/r*
pow1 associate-/l*
flip3-+ associate-/r/ flip-+ difference-of-squares
cbrt-undiv +-commutative sub-neg flip3-- frac-2neg diff-log div-exp clear-num sum-log flip-- div-inv distribute-lft-out--
Counts
3 → 60
Calls
3 calls:
6.0ms
(+ 1.0 (exp (* -2.0 x)))
15.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
67.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

series128.0ms

Counts
3 → 9
Calls
3 calls:
16.0ms
(+ 1.0 (exp (* -2.0 x)))
35.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
77.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

simplify90.0ms

Counts
69 → 69
Iterations

Useful iterations: 2 (19.0ms)

IterNodesCost
0251494
1731465
22785460
35001460
done5001460

prune147.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 2.0 (+ (exp (* -2.0 x)) 1.0))
0.0b
(/ 2.0 (+ (exp (* -2.0 x)) 1.0))
0.0b
(pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3)
3.0b
(- (pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3) (pow 1.0 3))

rewrite224.0ms

Algorithm
rewrite-expression-head
Rules
85×add-sqr-sqrt
77×*-un-lft-identity
56×times-frac
39×add-cube-cbrt
36×unpow-prod-down cube-prod
24×difference-of-squares
14×distribute-lft-out
11×add-exp-log add-cbrt-cube sqr-pow
associate-/r* associate-/r/
associate-/l* add-log-exp
pow1 distribute-lft-out--
flip3-+ flip-+ div-inv
cbrt-undiv pow-unpow div-exp
frac-2neg pow-exp clear-num rem-cube-cbrt
difference-cubes cube-div cube-mult pow-to-exp sub-neg flip3-- pow-pow diff-log unpow3 flip--
Counts
4 → 164
Calls
4 calls:
16.0ms
(/ 2.0 (+ (exp (* -2.0 x)) 1.0))
16.0ms
(/ 2.0 (+ (exp (* -2.0 x)) 1.0))
18.0ms
(pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3)
168.0ms
(- (pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3) (pow 1.0 3))

series245.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(/ 2.0 (+ (exp (* -2.0 x)) 1.0))
38.0ms
(/ 2.0 (+ (exp (* -2.0 x)) 1.0))
47.0ms
(pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3)
125.0ms
(- (pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3) (pow 1.0 3))

simplify74.0ms

Counts
176 → 176
Iterations

Useful iterations: 2 (59.0ms)

IterNodesCost
05911674
124101577
250031543
done50031543

prune413.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 2.0 (+ (exp (* -2.0 x)) 1.0))
0.0b
(/ 2.0 (+ (exp (* -2.0 x)) 1.0))
0.0b
(pow (+ (exp (* -2.0 x)) 1.0) 3)
3.0b
(- (* (* 2.0 2.0) (/ 2.0 (pow (+ (exp (* -2.0 x)) 1.0) 3))) (pow 1.0 3))

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
45×*-un-lft-identity
25×add-sqr-sqrt add-cube-cbrt
24×times-frac
10×distribute-lft-out
add-exp-log add-cbrt-cube
associate-/r*
associate-/l* add-log-exp
pow1
unpow-prod-down cube-prod associate-/r/
pow-unpow flip3-+ flip-+
cbrt-undiv cube-div frac-2neg div-exp clear-num div-inv
cube-mult pow-to-exp sub-neg flip3-- pow-pow diff-log unpow3 pow-exp flip-- rem-cube-cbrt sqr-pow
Counts
4 → 105
Calls
4 calls:
16.0ms
(/ 2.0 (+ (exp (* -2.0 x)) 1.0))
16.0ms
(/ 2.0 (+ (exp (* -2.0 x)) 1.0))
15.0ms
(pow (+ (exp (* -2.0 x)) 1.0) 3)
40.0ms
(- (* (* 2.0 2.0) (/ 2.0 (pow (+ (exp (* -2.0 x)) 1.0) 3))) (pow 1.0 3))

series244.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(/ 2.0 (+ (exp (* -2.0 x)) 1.0))
39.0ms
(/ 2.0 (+ (exp (* -2.0 x)) 1.0))
42.0ms
(pow (+ (exp (* -2.0 x)) 1.0) 3)
127.0ms
(- (* (* 2.0 2.0) (/ 2.0 (pow (+ (exp (* -2.0 x)) 1.0) 3))) (pow 1.0 3))

simplify59.0ms

Counts
117 → 117
Iterations

Useful iterations: 2 (49.0ms)

IterNodesCost
0355893
11779829
25001823
done5001823

prune336.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow (+ (exp (* -2.0 x)) 1.0) 3)
0.0b
(pow (+ (exp (* -2.0 x)) 1.0) 3)
0.0b
(pow (+ (exp (* -2.0 x)) 1.0) 3)
3.0b
(+ (- (pow 1.0 6)) (/ (* (/ (* 2.0 2.0) (/ (pow (+ (exp (* -2.0 x)) 1.0) 3) 2.0)) (pow 2.0 3)) (pow (+ (exp (* -2.0 x)) 1.0) 3)))

rewrite129.0ms

Algorithm
rewrite-expression-head
Rules
29×*-un-lft-identity
13×add-sqr-sqrt add-cube-cbrt
12×unpow-prod-down cube-prod
pow-unpow
distribute-lft-out add-log-exp
pow1 add-exp-log add-cbrt-cube
cube-div
flip3-+ flip-+
cube-mult pow-to-exp pow-pow unpow3 pow-exp rem-cube-cbrt sqr-pow
sum-log
+-commutative neg-sub0 associate-+l- distribute-rgt-neg-in neg-log
Counts
4 → 96
Calls
4 calls:
15.0ms
(pow (+ (exp (* -2.0 x)) 1.0) 3)
17.0ms
(pow (+ (exp (* -2.0 x)) 1.0) 3)
15.0ms
(pow (+ (exp (* -2.0 x)) 1.0) 3)
80.0ms
(+ (- (pow 1.0 6)) (/ (* (/ (* 2.0 2.0) (/ (pow (+ (exp (* -2.0 x)) 1.0) 3) 2.0)) (pow 2.0 3)) (pow (+ (exp (* -2.0 x)) 1.0) 3)))

series251.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(pow (+ (exp (* -2.0 x)) 1.0) 3)
40.0ms
(pow (+ (exp (* -2.0 x)) 1.0) 3)
46.0ms
(pow (+ (exp (* -2.0 x)) 1.0) 3)
120.0ms
(+ (- (pow 1.0 6)) (/ (* (/ (* 2.0 2.0) (/ (pow (+ (exp (* -2.0 x)) 1.0) 3) 2.0)) (pow 2.0 3)) (pow (+ (exp (* -2.0 x)) 1.0) 3)))

simplify51.0ms

Counts
108 → 108
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0307948
11313841
25001826
done5001826

prune380.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

regimes230.0ms

Accuracy

99.8% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 28.8b

bsearch2.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04740
14740
done4740

end0.0ms

sample887.0ms

Algorithm
intervals
Results
344.0ms1700×body1280valid
166.0ms1243×body640valid
111.0ms4170×body80valid
53.0ms599×body320valid
17.0ms288×body160valid