Details

Time bar (total: 18.9s)

sample62.0ms

Algorithm
intervals
Results
20.0ms91×body10240exit
17.0ms73×body1280valid
7.0ms47×body640valid
3.0ms29×body320valid
3.0ms100×body80valid
1.0msbody160valid

simplify6.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
057
177
287
done87

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 40.0b

localize7.0ms

Local error

Found 2 expressions with local error:

0.7b
(/ (exp x) (- (exp x) 1.0))
2.1b
(- (exp x) 1.0)

rewrite34.0ms

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:
20.0ms
(/ (exp x) (- (exp x) 1.0))
12.0ms
(- (exp x) 1.0)

series81.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(/ (exp x) (- (exp x) 1.0))
39.0ms
(- (exp x) 1.0)

simplify2.4s

Counts
57 → 57
Iterations

Useful iterations: 4 (933.0ms)

IterNodesCost
091640
1181614
2410579
3804577
42199576
done5000576

prune185.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (exp x) (+ (* (pow x 2) (+ (* 1/6 x) 1/2)) x))
0.0b
(+ (* (pow x 2) (+ (* 1/6 x) 1/2)) x)
0.1b
(* (pow x 2) (+ (* 1/6 x) 1/2))
0.3b
(* 1/6 x)

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
17×add-cube-cbrt *-un-lft-identity
12×add-exp-log
11×associate-*l*
10×add-cbrt-cube
times-frac
pow1 associate-*r* add-log-exp
unswap-sqr
unpow-prod-down prod-exp
flip3-+ associate-/r* flip-+ associate-/l*
distribute-rgt-in associate-+l+ distribute-lft-in associate-*r/ associate-/r/ *-commutative cbrt-unprod unpow2 sqr-pow
cbrt-undiv +-commutative pow-to-exp frac-2neg div-exp pow-prod-down pow-exp clear-num sum-log div-inv
Counts
4 → 91
Calls
4 calls:
41.0ms
(/ (exp x) (+ (* (pow x 2) (+ (* 1/6 x) 1/2)) x))
15.0ms
(+ (* (pow x 2) (+ (* 1/6 x) 1/2)) x)
34.0ms
(* (pow x 2) (+ (* 1/6 x) 1/2))
8.0ms
(* 1/6 x)

series222.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(/ (exp x) (+ (* (pow x 2) (+ (* 1/6 x) 1/2)) x))
46.0ms
(+ (* (pow x 2) (+ (* 1/6 x) 1/2)) x)
92.0ms
(* (pow x 2) (+ (* 1/6 x) 1/2))
23.0ms
(* 1/6 x)

simplify1.4s

Counts
103 → 103
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01721552
14291457
213751340
done50001334

prune371.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1.0 (exp x))
0.0b
(/ 1 (- 1 (/ 1.0 (exp x))))
2.1b
(- 1 (/ 1.0 (exp x)))

rewrite80.0ms

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:
6.0ms
(/ 1.0 (exp x))
41.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
26.0ms
(- 1 (/ 1.0 (exp x)))

series139.0ms

Counts
3 → 9
Calls
3 calls:
21.0ms
(/ 1.0 (exp x))
79.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
39.0ms
(- 1 (/ 1.0 (exp x)))

simplify6.2s

Counts
106 → 106
Iterations

Useful iterations: 4 (4.4s)

IterNodesCost
01621303
13101155
25801099
312821094
441611092
done50011092

prune198.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(sqrt (exp x))
0.6b
(/ (- (exp x) 1.0) (sqrt (exp x)))
0.7b
(/ (sqrt (exp x)) (/ (- (exp x) 1.0) (sqrt (exp x))))
2.1b
(- (exp x) 1.0)

rewrite161.0ms

Algorithm
rewrite-expression-head
Rules
444×times-frac
315×add-sqr-sqrt
314×*-un-lft-identity
231×sqrt-prod
214×add-cube-cbrt
50×distribute-lft-out-- difference-of-squares
40×associate-/r*
11×add-exp-log add-cbrt-cube associate-/l*
div-inv
add-log-exp
pow1
cbrt-undiv sqrt-pow1 div-exp
exp-prod
flip3-- frac-2neg clear-num flip-- associate-/l/
sub-neg rem-sqrt-square pow1/2 diff-log div-sub associate-/r/
Counts
4 → 345
Calls
4 calls:
6.0ms
(sqrt (exp x))
48.0ms
(/ (- (exp x) 1.0) (sqrt (exp x)))
42.0ms
(/ (sqrt (exp x)) (/ (- (exp x) 1.0) (sqrt (exp x))))
18.0ms
(- (exp x) 1.0)

series194.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(sqrt (exp x))
86.0ms
(/ (- (exp x) 1.0) (sqrt (exp x)))
54.0ms
(/ (sqrt (exp x)) (/ (- (exp x) 1.0) (sqrt (exp x))))
26.0ms
(- (exp x) 1.0)

simplify3.2s

Counts
357 → 357
Iterations

Useful iterations: done (3.2s)

IterNodesCost
03708086
17967254
225886648
done50006479

prune805.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes81.0ms

Accuracy

0% (0.9b remaining)

Error of 0.9b against oracle of 0.0b and baseline of 0.9b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01417
11817
done1817

end0.0ms

sample2.9s

Algorithm
intervals
Results
1.2s2556×body10240exit
817.0ms2248×body1280valid
325.0ms1632×body640valid
112.0ms2906×body80valid
108.0ms824×body320valid
34.0ms392×body160valid