Details

Time bar (total: 18.9s)

sample80.0ms

Algorithm
intervals
Results
31.0ms67×body1280valid
11.0ms35×body640valid
8.0ms126×body80valid
5.0ms22×body320valid
1.0msbody160valid

simplify4.7s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0910
11510
22210
33010
45310
511710
644110
7343310
done500010

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.8b

localize26.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
0.0b
(+ 1.0 (exp (* -2.0 x)))
1.9b
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

rewrite182.0ms

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:
29.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
14.0ms
(+ 1.0 (exp (* -2.0 x)))
135.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

series251.0ms

Counts
3 → 9
Calls
3 calls:
65.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
36.0ms
(+ 1.0 (exp (* -2.0 x)))
149.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

simplify4.3s

Counts
69 → 69
Iterations

Useful iterations: 3 (1.4s)

IterNodesCost
0116947
1261903
2918849
34728838
done5001838

prune438.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize36.0ms

Local error

Found 3 expressions with local error:

0.1b
(* 0.33333333333333337 (pow x 3))
0.4b
(* 5.551115123125783e-17 (pow x 4))
7.8b
(+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
19×associate-*r*
13×add-exp-log
10×add-cube-cbrt *-un-lft-identity
unpow-prod-down
add-cbrt-cube unswap-sqr
associate-*l* prod-exp
add-log-exp
cube-prod sqr-pow
pow1
pow-to-exp pow-exp *-commutative cbrt-unprod
+-commutative cube-mult flip3-+ unpow3 sum-log flip-+
Counts
3 → 67
Calls
3 calls:
33.0ms
(* 0.33333333333333337 (pow x 3))
25.0ms
(* 5.551115123125783e-17 (pow x 4))
21.0ms
(+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))

series384.0ms

Counts
3 → 9
Calls
3 calls:
91.0ms
(* 0.33333333333333337 (pow x 3))
72.0ms
(* 5.551115123125783e-17 (pow x 4))
222.0ms
(+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))

simplify1.2s

Counts
76 → 76
Iterations

Useful iterations: 2 (336.0ms)

IterNodesCost
0114734
1290647
21118602
done5001602

prune450.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize57.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ 1.0 (exp (* -2.0 x)))
0.0b
(+ 1.0 (exp (* -2.0 x)))
0.0b
(pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3)
1.8b
(- (pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3) (pow 1.0 3))

rewrite419.0ms

Algorithm
rewrite-expression-head
Rules
67×add-sqr-sqrt
47×*-un-lft-identity
36×unpow-prod-down cube-prod
32×times-frac
24×difference-of-squares
21×add-cube-cbrt
11×sqr-pow
10×add-log-exp
distribute-lft-out
add-exp-log add-cbrt-cube
pow1 distribute-lft-out--
flip3-+ associate-/r/ flip-+
pow-unpow
+-commutative pow-exp sum-log div-inv rem-cube-cbrt
difference-cubes cbrt-undiv cube-div cube-mult pow-to-exp sub-neg flip3-- pow-pow diff-log unpow3 div-exp flip--
Counts
4 → 122
Calls
4 calls:
13.0ms
(+ 1.0 (exp (* -2.0 x)))
14.0ms
(+ 1.0 (exp (* -2.0 x)))
36.0ms
(pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3)
346.0ms
(- (pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3) (pow 1.0 3))

series403.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(+ 1.0 (exp (* -2.0 x)))
29.0ms
(+ 1.0 (exp (* -2.0 x)))
97.0ms
(pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3)
247.0ms
(- (pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3) (pow 1.0 3))

simplify2.2s

Counts
134 → 134
Iterations

Useful iterations: 2 (753.0ms)

IterNodesCost
01802662
16502447
227442289
done50012289

prune717.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes472.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 32.1b

bsearch2.0ms

simplify10.0ms

Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
033103
14566
done4566

end0.0ms

sample2.4s

Algorithm
intervals
Results
830.0ms1715×body1280valid
504.0ms1254×body640valid
474.0ms4109×body80valid
181.0ms635×body320valid
40.0ms287×body160valid