Details

Time bar (total: 3.1s)

sample40.0ms

Algorithm
intervals
Results
13.0ms79×body1280valid
9.0ms91×body10240exit
6.0ms57×body640valid
2.0ms88×body80valid
1.0ms18×body320valid
1.0ms14×body160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
074
184
284
done84

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 42.1b

localize4.0ms

Local error

Found 2 expressions with local error:

0.5b
(/ (exp x) (- (exp x) 1.0))
4.1b
(- (exp x) 1.0)

rewrite33.0ms

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:
21.0ms
(/ (exp x) (- (exp x) 1.0))
10.0ms
(- (exp x) 1.0)

series43.0ms

Counts
2 → 6
Calls
2 calls:
28.0ms
(/ (exp x) (- (exp x) 1.0))
16.0ms
(- (exp x) 1.0)

simplify67.0ms

Counts
57 → 57
Iterations

Useful iterations: 2 (14.0ms)

IterNodesCost
0180378
1542357
22210354
35001354
done5001354

prune122.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1/2 (+ (* 1/12 x) (/ 1 x)))
0.0b
(+ (* 1/12 x) (/ 1 x))
0.3b
(* 1/12 x)

rewrite51.0ms

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:
30.0ms
(+ 1/2 (+ (* 1/12 x) (/ 1 x)))
12.0ms
(+ (* 1/12 x) (/ 1 x))
7.0ms
(* 1/12 x)

series72.0ms

Counts
3 → 9
Calls
3 calls:
15.0ms
(+ 1/2 (+ (* 1/12 x) (/ 1 x)))
41.0ms
(+ (* 1/12 x) (/ 1 x))
17.0ms
(* 1/12 x)

simplify101.0ms

Counts
52 → 52
Iterations

Useful iterations: 2 (23.0ms)

IterNodesCost
0200216
1705205
23820204
35002204
done5002204

prune84.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (+ 1/2 (+ (* 1/12 x) (/ 1 x)))) (cbrt (+ 1/2 (+ (* 1/12 x) (/ 1 x)))))
0.5b
(cbrt (+ 1/2 (+ (* 1/12 x) (/ 1 x))))
0.5b
(cbrt (+ 1/2 (+ (* 1/12 x) (/ 1 x))))
0.5b
(cbrt (+ 1/2 (+ (* 1/12 x) (/ 1 x))))

rewrite313.0ms

Algorithm
rewrite-expression-head
Rules
36×cbrt-prod
35×*-un-lft-identity
23×add-sqr-sqrt
18×cbrt-div
15×add-cube-cbrt
11×pow1
flip3-+ pow1/3 swap-sqr flip-+ distribute-lft-out
associate-*r* associate-*l*
add-exp-log
frac-times add-cbrt-cube add-log-exp unswap-sqr
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 95
Calls
4 calls:
225.0ms
(* (cbrt (+ 1/2 (+ (* 1/12 x) (/ 1 x)))) (cbrt (+ 1/2 (+ (* 1/12 x) (/ 1 x)))))
27.0ms
(cbrt (+ 1/2 (+ (* 1/12 x) (/ 1 x))))
29.0ms
(cbrt (+ 1/2 (+ (* 1/12 x) (/ 1 x))))
27.0ms
(cbrt (+ 1/2 (+ (* 1/12 x) (/ 1 x))))

series271.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(* (cbrt (+ 1/2 (+ (* 1/12 x) (/ 1 x)))) (cbrt (+ 1/2 (+ (* 1/12 x) (/ 1 x)))))
69.0ms
(cbrt (+ 1/2 (+ (* 1/12 x) (/ 1 x))))
73.0ms
(cbrt (+ 1/2 (+ (* 1/12 x) (/ 1 x))))
73.0ms
(cbrt (+ 1/2 (+ (* 1/12 x) (/ 1 x))))

simplify47.0ms

Counts
107 → 107
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
03351416
111681337
250011214
done50011214

prune257.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize5.0ms

Local error

Found 3 expressions with local error:

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

rewrite61.0ms

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:
36.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
6.0ms
(/ 1.0 (exp x))
15.0ms
(- 1 (/ 1.0 (exp x)))

series103.0ms

Counts
3 → 9
Calls
3 calls:
49.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
17.0ms
(/ 1.0 (exp x))
36.0ms
(- 1 (/ 1.0 (exp x)))

simplify35.0ms

Counts
106 → 106
Iterations

Useful iterations: 2 (28.0ms)

IterNodesCost
0310724
11324622
25001621
done5001621

prune146.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

regimes66.0ms

Accuracy

96.8% (0.7b remaining)

Error of 0.7b against oracle of 0.0b and baseline of 21.4b

bsearch1.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02923
12923
done2923

end0.0ms

sample1.1s

Algorithm
intervals
Results
378.0ms2245×body1280valid
265.0ms2597×body10240exit
167.0ms1643×body640valid
61.0ms890×body320valid
55.0ms2838×body80valid
16.0ms384×body160valid