Details

Time bar (total: 11.2s)

sample40.0ms

Algorithm
intervals
Results
13.0ms67×body1280valid
9.0ms87×body10240exit
5.0ms48×body640valid
2.0ms103×body80valid
2.0ms26×body320valid
1.0ms12×body160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
057
177
287
done87

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.9b

localize5.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ (exp x) (- (exp x) 1.0))
4.1b
(- (exp x) 1.0)

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/r* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-log-exp
add-exp-log associate-/l*
pow1 flip3-- associate-/r/ flip--
cbrt-undiv sub-neg frac-2neg diff-log div-exp clear-num div-inv
Counts
2 → 51
Calls
2 calls:
8.0ms
(/ (exp x) (- (exp x) 1.0))
5.0ms
(- (exp x) 1.0)

series42.0ms

Counts
2 → 6
Calls
2 calls:
27.0ms
(/ (exp x) (- (exp x) 1.0))
15.0ms
(- (exp x) 1.0)

simplify1.7s

Counts
57 → 57
Iterations

Useful iterations: 4 (617.0ms)

IterNodesCost
091640
1181614
2422579
3927577
42546576
done5001576

prune120.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1/2 (+ (* 1/12 x) (/ 1 x)))
0.0b
(+ (* 1/12 x) (/ 1 x))
0.4b
(* 1/12 x)

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
10×add-log-exp
add-sqr-sqrt *-un-lft-identity
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
sum-log
associate-*r* associate-*l*
+-commutative flip3-+ flip-+
associate-+r+ pow-prod-down prod-exp *-commutative cbrt-unprod distribute-lft-out unswap-sqr
Counts
3 → 43
Calls
3 calls:
17.0ms
(+ 1/2 (+ (* 1/12 x) (/ 1 x)))
6.0ms
(+ (* 1/12 x) (/ 1 x))
3.0ms
(* 1/12 x)

series71.0ms

Counts
3 → 9
Calls
3 calls:
14.0ms
(+ 1/2 (+ (* 1/12 x) (/ 1 x)))
42.0ms
(+ (* 1/12 x) (/ 1 x))
14.0ms
(* 1/12 x)

simplify1.1s

Counts
52 → 52
Iterations

Useful iterations: 3 (288.0ms)

IterNodesCost
073503
1205450
2514424
31540422
done5000422

prune82.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize5.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1.0 (exp x))
0.0b
(/ 1 (- 1 (/ 1.0 (exp x))))
4.1b
(- 1 (/ 1.0 (exp x)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
64×add-sqr-sqrt
44×*-un-lft-identity
43×times-frac
24×add-cube-cbrt
20×difference-of-squares
11×associate-/r*
add-exp-log
add-cbrt-cube
associate-/l*
distribute-lft-out-- add-log-exp
pow1
div-exp
cbrt-undiv flip3-- frac-2neg clear-num associate-/r/ flip-- div-inv
sub-neg rec-exp pow-flip diff-log 1-exp inv-pow
Counts
3 → 97
Calls
3 calls:
3.0ms
(/ 1.0 (exp x))
19.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
9.0ms
(- 1 (/ 1.0 (exp x)))

series103.0ms

Counts
3 → 9
Calls
3 calls:
13.0ms
(/ 1.0 (exp x))
53.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
36.0ms
(- 1 (/ 1.0 (exp x)))

simplify3.8s

Counts
106 → 106
Iterations

Useful iterations: 4 (2.8s)

IterNodesCost
01621303
13101155
25991099
314391094
449131092
done50001092

prune154.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

localize8.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* x (- (* 0.16666666666666666 x) 0.5)) 1.0)
0.1b
(* x (- (* 0.16666666666666666 x) 0.5))
0.1b
(* x (+ (* x (- (* 0.16666666666666666 x) 0.5)) 1.0))
0.1b
(/ 1 (* x (+ (* x (- (* 0.16666666666666666 x) 0.5)) 1.0)))

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
19×add-exp-log
14×add-sqr-sqrt
13×add-cbrt-cube
11×pow1
10×add-cube-cbrt *-un-lft-identity
associate-*r/ associate-*r* associate-*l* add-log-exp
distribute-rgt-in distribute-lft-in prod-exp
sub-neg associate-+l+ div-exp
flip3-+ times-frac pow-prod-down cbrt-unprod flip-+ associate-/l*
cbrt-undiv rec-exp pow-flip 1-exp associate-/r/ *-commutative unswap-sqr
+-commutative flip3-- frac-2neg clear-num associate-/r* sum-log flip-- div-inv inv-pow
Counts
4 → 91
Calls
4 calls:
6.0ms
(+ (* x (- (* 0.16666666666666666 x) 0.5)) 1.0)
11.0ms
(* x (- (* 0.16666666666666666 x) 0.5))
23.0ms
(* x (+ (* x (- (* 0.16666666666666666 x) 0.5)) 1.0))
18.0ms
(/ 1 (* x (+ (* x (- (* 0.16666666666666666 x) 0.5)) 1.0)))

series187.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(+ (* x (- (* 0.16666666666666666 x) 0.5)) 1.0)
62.0ms
(* x (- (* 0.16666666666666666 x) 0.5))
42.0ms
(* x (+ (* x (- (* 0.16666666666666666 x) 0.5)) 1.0))
60.0ms
(/ 1 (* x (+ (* x (- (* 0.16666666666666666 x) 0.5)) 1.0)))

simplify2.3s

Counts
103 → 103
Iterations

Useful iterations: 3 (1.0s)

IterNodesCost
01591437
13901370
210641188
344461182
done50001182

prune153.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0b

regimes58.0ms

Accuracy

92.6% (0.6b remaining)

Error of 0.6b against oracle of 0.0b and baseline of 7.5b

bsearch1.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01622
12122
done2122

end0.0ms

sample1.1s

Algorithm
intervals
Results
372.0ms2224×body1280valid
264.0ms2499×body10240exit
170.0ms1625×body640valid
56.0ms844×body320valid
55.0ms2881×body80valid
18.0ms427×body160valid