Details

Time bar (total: 4.4s)

sample36.0ms

Algorithm
intervals
Results
12.0ms53×body1280valid
5.0ms38×body640valid
5.0ms23×body320valid
3.0ms135×body80valid
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: 28.3b

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))))
2.6b
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

rewrite89.0ms

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:
7.0ms
(+ 1.0 (exp (* -2.0 x)))
15.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
66.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

series132.0ms

Counts
3 → 9
Calls
3 calls:
16.0ms
(+ 1.0 (exp (* -2.0 x)))
38.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
78.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

simplify91.0ms

Counts
69 → 69
Iterations

Useful iterations: 2 (18.0ms)

IterNodesCost
0251494
1731465
22785460
35001460
done5001460

prune146.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ 1.0 (exp (* -2.0 x)))
0.0b
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
2.6b
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
2.6b
(log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))

rewrite236.0ms

Algorithm
rewrite-expression-head
Rules
29×*-un-lft-identity
25×add-sqr-sqrt
15×add-cube-cbrt
14×times-frac
add-log-exp
log-pow
add-exp-log exp-prod add-cbrt-cube
pow1 log-prod distribute-lft-out
associate-/r* difference-of-squares
associate-/l*
sub-neg flip3-+ exp-sum associate-/r/ flip-+ distribute-lft-out--
cbrt-undiv +-commutative log-div flip3-- frac-2neg exp-diff diff-log div-exp rem-log-exp clear-num sum-log flip-- div-inv
Counts
4 → 81
Calls
4 calls:
7.0ms
(+ 1.0 (exp (* -2.0 x)))
15.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
66.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
146.0ms
(log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))

series204.0ms

Counts
4 → 12
Calls
4 calls:
16.0ms
(+ 1.0 (exp (* -2.0 x)))
38.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
73.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
77.0ms
(log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))

simplify95.0ms

Counts
93 → 93
Iterations

Useful iterations: 2 (20.0ms)

IterNodesCost
0291672
1851622
23011617
35001617
done5001617

prune199.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (+ 1.0 (exp (* -2.0 x))))
0.7b
(cbrt (+ 1.0 (exp (* -2.0 x))))
2.6b
(- (/ (/ 2.0 (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x)))))) (cbrt (+ 1.0 (exp (* -2.0 x))))) 1.0)
2.6b
(log (exp (- (/ (/ 2.0 (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x)))))) (cbrt (+ 1.0 (exp (* -2.0 x))))) 1.0)))

rewrite615.0ms

Algorithm
rewrite-expression-head
Rules
36×add-sqr-sqrt
16×*-un-lft-identity
12×cbrt-prod times-frac
10×log-pow difference-of-squares
exp-prod
add-cube-cbrt
add-log-exp
pow1 log-prod
add-exp-log cbrt-div add-cbrt-cube
sub-neg flip3-+ pow1/3 exp-sum flip-+ distribute-lft-out distribute-lft-out--
log-div flip3-- exp-diff diff-log rem-log-exp flip--
Counts
4 → 70
Calls
4 calls:
6.0ms
(cbrt (+ 1.0 (exp (* -2.0 x))))
5.0ms
(cbrt (+ 1.0 (exp (* -2.0 x))))
178.0ms
(- (/ (/ 2.0 (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x)))))) (cbrt (+ 1.0 (exp (* -2.0 x))))) 1.0)
423.0ms
(log (exp (- (/ (/ 2.0 (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x)))))) (cbrt (+ 1.0 (exp (* -2.0 x))))) 1.0)))

series420.0ms

Counts
4 → 12
Calls
4 calls:
130.0ms
(cbrt (+ 1.0 (exp (* -2.0 x))))
128.0ms
(cbrt (+ 1.0 (exp (* -2.0 x))))
80.0ms
(- (/ (/ 2.0 (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x)))))) (cbrt (+ 1.0 (exp (* -2.0 x))))) 1.0)
82.0ms
(log (exp (- (/ (/ 2.0 (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x)))))) (cbrt (+ 1.0 (exp (* -2.0 x))))) 1.0)))

simplify95.0ms

Counts
82 → 82
Iterations

Useful iterations: 3 (86.0ms)

IterNodesCost
02951288
18261086
233591034
350011010
done50011010

prune237.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
0.1b
(* 0.33333333333333337 (pow x 3))
0.4b
(* 5.551115123125783e-17 (pow x 4))
8.6b
(+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
23×add-sqr-sqrt
19×associate-*r*
14×add-exp-log
11×add-cube-cbrt *-un-lft-identity add-log-exp
unpow-prod-down add-cbrt-cube
unswap-sqr
associate-*l* prod-exp
pow1 cube-prod sqr-pow
pow-to-exp diff-log pow-exp sum-log *-commutative cbrt-unprod
+-commutative cube-mult sub-neg flip3-- flip3-+ unpow3 flip-- flip-+ associate--r+
Counts
4 → 81
Calls
4 calls:
16.0ms
(- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
12.0ms
(* 0.33333333333333337 (pow x 3))
14.0ms
(* 5.551115123125783e-17 (pow x 4))
10.0ms
(+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))

series232.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
35.0ms
(* 0.33333333333333337 (pow x 3))
41.0ms
(* 5.551115123125783e-17 (pow x 4))
104.0ms
(+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))

simplify49.0ms

Counts
93 → 93
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0344493
11475459
25001459
done5001459

prune181.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0.0b

regimes251.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 29.4b

bsearch2.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03716
13716
done3716

end0.0ms

sample888.0ms

Algorithm
intervals
Results
345.0ms1694×body1280valid
172.0ms1296×body640valid
105.0ms4086×body80valid
52.0ms606×body320valid
18.0ms318×body160valid