Details

Time bar (total: 17.7s)

sample161.0ms

Algorithm
intervals
Results
108.0ms188×body1280valid
15.0ms288×body80valid
14.0ms41×body640valid
3.0ms14×body320valid
1.0msbody160valid

simplify185.0ms

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: 28.1b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (exp x) 2.0)
3.0b
(+ (- (exp x) 2.0) (exp (- x)))

rewrite131.0ms

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)
108.0ms
(+ (- (exp x) 2.0) (exp (- x)))

series117.0ms

Counts
2 → 6
Calls
2 calls:
22.0ms
(- (exp x) 2.0)
95.0ms
(+ (- (exp x) 2.0) (exp (- x)))

simplify1.9s

Counts
41 → 41
Iterations

Useful iterations: 3 (566.0ms)

IterNodesCost
093511
1204465
2579445
32107432
done5000432

prune169.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize12.0ms

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))

rewrite94.0ms

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)))
30.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
31.0ms
(* 1/360 (pow x 6))
19.0ms
(* 1/12 (pow x 4))

series429.0ms

Counts
4 → 12
Calls
4 calls:
205.0ms
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
69.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
90.0ms
(* 1/360 (pow x 6))
64.0ms
(* 1/12 (pow x 4))

simplify4.4s

Counts
87 → 87
Iterations

Useful iterations: done (4.4s)

IterNodesCost
01331068
1331934
2952888
34364870
done5001868

prune377.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp x) 2.0)
0.0b
(+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))
0.0b
(pow (exp x) 3)
3.2b
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))

rewrite580.0ms

Algorithm
rewrite-expression-head
Rules
12×*-un-lft-identity
10×add-log-exp
add-sqr-sqrt add-cube-cbrt
pow1 add-cbrt-cube
add-exp-log pow-pow
+-commutative unpow-prod-down pow-unpow exp-prod flip3-+ cube-prod sum-log flip-+
associate-+l+ frac-add distribute-lft-out
neg-sub0 distribute-rgt-in exp-neg cube-mult pow-to-exp associate-+l- distribute-lft-in exp-diff unpow3 div-sub pow-exp rem-cube-cbrt sqr-pow
Counts
4 → 66
Calls
4 calls:
16.0ms
(+ (exp x) 2.0)
49.0ms
(+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))
8.0ms
(pow (exp x) 3)
505.0ms
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))

series362.0ms

Counts
4 → 12
Calls
4 calls:
11.0ms
(+ (exp x) 2.0)
41.0ms
(+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))
24.0ms
(pow (exp x) 3)
286.0ms
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ (exp x) 2.0)) (exp (+ x x)))) (exp (- x)))

simplify1.3s

Counts
78 → 78
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01591231
13951158
214321053
done50001016

prune429.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize40.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (- (exp x) 2.0) (exp (- x)))
0.0b
(pow (- (exp x) 2.0) 3)
0.0b
(exp (* x -3))
3.9b
(+ (pow (- (exp x) 2.0) 3) (exp (* x -3)))

rewrite306.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
13×add-sqr-sqrt add-log-exp
add-cube-cbrt
pow1 add-exp-log unpow-prod-down cube-prod add-cbrt-cube distribute-lft-out--
flip3-- frac-sub flip--
pow-unpow diff-log difference-of-squares
cube-div neg-sub0 exp-neg sub-neg exp-diff associate--l+
+-commutative associate--l- cube-mult pow-to-exp exp-prod exp-to-pow pow-pow flip3-+ unpow3 pow-exp sum-log flip-+ rem-exp-log distribute-lft-out rem-cube-cbrt sqr-pow
Counts
4 → 74
Calls
4 calls:
85.0ms
(- (- (exp x) 2.0) (exp (- x)))
30.0ms
(pow (- (exp x) 2.0) 3)
9.0ms
(exp (* x -3))
179.0ms
(+ (pow (- (exp x) 2.0) 3) (exp (* x -3)))

series302.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(- (- (exp x) 2.0) (exp (- x)))
46.0ms
(pow (- (exp x) 2.0) 3)
7.0ms
(exp (* x -3))
197.0ms
(+ (pow (- (exp x) 2.0) 3) (exp (* x -3)))

simplify1.0s

Counts
86 → 86
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01761115
1425996
21307931
done5001911

prune420.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

regimes36.0ms

Accuracy

0% (0.5b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01315
11715
done1715

end0.0ms

sample5.0s

Algorithm
intervals
Results
3.4s5655×body1280valid
488.0ms8061×body80valid
420.0ms1224×body640valid
206.0ms640×body320valid
36.0ms311×body160valid