Details

Time bar (total: 14.2s)

sample165.0ms

Algorithm
intervals
Results
62.0ms53×body2560valid
33.0ms39×body320valid
26.0ms38×body1280valid
21.0ms41×body640valid
8.0ms67×body80valid
4.0ms18×body160valid

simplify16.0ms

Counts
1 → 1
Iterations
IterNodes
done30
430
328
223
115
06

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.2b

localize11.0ms

Local error

Found 2 expressions with local error:

2.2b
(- 1 (cos x))
15.8b
(/ (- 1 (cos x)) (* x x))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt *-un-lft-identity
add-cbrt-cube add-exp-log
times-frac associate-/l* difference-of-squares
add-cube-cbrt add-log-exp
distribute-lft-out--
pow1 cbrt-undiv flip3-- div-exp insert-posit16 flip-- associate-/l/
clear-num associate-/r* sub-neg frac-2neg diff-log div-sub prod-exp cbrt-unprod div-inv
Counts
2 → 47
Calls
2 calls:
25.0ms
(- 1 (cos x))
30.0ms
(/ (- 1 (cos x)) (* x x))

series108.0ms

Counts
2 → 6
Calls
2 calls:
35.0ms
(- 1 (cos x))
74.0ms
(/ (- 1 (cos x)) (* x x))

simplify2.1s

Counts
53 → 53
Iterations
IterNodes
done5139
33004
2707
1230
093

prune201.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize35.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
0.2b
(* (sin x) (sin x))
0.5b
(+ 1 (cos x))
15.8b
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
32×add-cbrt-cube add-exp-log
24×*-un-lft-identity
22×times-frac
16×add-sqr-sqrt
14×add-cube-cbrt
12×cbrt-undiv div-exp
11×pow1 associate-/l*
prod-exp cbrt-unprod
associate-/r/ add-log-exp
associate-/r* distribute-lft-out
flip3-+ flip-+ insert-posit16 div-inv
div-sub swap-sqr associate-*r* associate-*l* sqr-sin
clear-num frac-2neg sin-mult associate-/l/
pow2 +-commutative sum-log pow-plus pow-prod-down pow-sqr *-commutative pow-prod-up unswap-sqr
Counts
4 → 115
Calls
4 calls:
15.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
11.0ms
(* (sin x) (sin x))
5.0ms
(+ 1 (cos x))
22.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

series191.0ms

Counts
4 → 12
Calls
4 calls:
47.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
29.0ms
(* (sin x) (sin x))
14.0ms
(+ 1 (cos x))
101.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

simplify1.5s

Counts
127 → 127
Iterations
IterNodes
done5012
21801
1507
0182

prune473.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0b

localize17.0ms

Local error

Found 2 expressions with local error:

0.2b
(* (sin x) (tan (/ x 2)))
15.8b
(/ (* (sin x) (tan (/ x 2))) (* x x))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
16×add-cbrt-cube add-exp-log
add-sqr-sqrt
prod-exp cbrt-unprod
pow1 cbrt-undiv *-un-lft-identity div-exp add-cube-cbrt
associate-*r* associate-*l*
tan-quot associate-*r/ insert-posit16 add-log-exp
clear-num associate-/r* frac-2neg times-frac pow-prod-down *-commutative div-inv associate-/l* unswap-sqr associate-/l/
Counts
2 → 43
Calls
2 calls:
16.0ms
(* (sin x) (tan (/ x 2)))
23.0ms
(/ (* (sin x) (tan (/ x 2))) (* x x))

series213.0ms

Counts
2 → 6
Calls
2 calls:
82.0ms
(* (sin x) (tan (/ x 2)))
130.0ms
(/ (* (sin x) (tan (/ x 2))) (* x x))

simplify1.1s

Counts
49 → 49
Iterations
IterNodes
done5008
21080
1241
095

prune214.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize46.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ (* (sin x) (sin x)) x) (/ (/ 1 (+ 1 (cos x))) x))
0.2b
(* (sin x) (sin x))
0.5b
(+ 1 (cos x))
15.0b
(/ (* (sin x) (sin x)) x)

rewrite81.0ms

Algorithm
rewrite-expression-head
Rules
110×times-frac
81×add-sqr-sqrt
77×*-un-lft-identity
71×add-exp-log
61×associate-*r*
55×add-cube-cbrt
47×add-cbrt-cube
30×div-exp
22×prod-exp
17×cbrt-undiv
14×cbrt-unprod
13×pow1
10×associate-*l* distribute-lft-out
unswap-sqr
associate-/r/ div-inv add-log-exp
flip3-+ flip-+ insert-posit16
rec-exp associate-/r* 1-exp swap-sqr
pow-prod-down *-commutative sqr-sin sin-mult
pow2 frac-times +-commutative clear-num sum-log frac-2neg pow-plus div-sub associate-*l/ associate-*r/ pow-sqr pow-prod-up associate-/l* associate-/l/
Counts
4 → 175
Calls
4 calls:
34.0ms
(* (/ (* (sin x) (sin x)) x) (/ (/ 1 (+ 1 (cos x))) x))
10.0ms
(* (sin x) (sin x))
5.0ms
(+ 1 (cos x))
28.0ms
(/ (* (sin x) (sin x)) x)

series220.0ms

Counts
4 → 12
Calls
4 calls:
92.0ms
(* (/ (* (sin x) (sin x)) x) (/ (/ 1 (+ 1 (cos x))) x))
31.0ms
(* (sin x) (sin x))
17.0ms
(+ 1 (cos x))
80.0ms
(/ (* (sin x) (sin x)) x)

simplify2.3s

Counts
187 → 187
Iterations
IterNodes
done5054
23323
1995
0307

prune775.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

regimes77.0ms

Accuracy

98.2% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 15.4b

bsearch94.0ms

Steps
ItersRangePoint
8
0.006928851504795399
68.55102067575892
0.007030302033610333
9
-17438.246738609338
-0.0018335887134067947
-0.03474669209571521

simplify8.0ms

Iterations
IterNodes
done33
133
027

end0.0ms

sample4.1s

Algorithm
intervals
Results
1.6s1603×body2560valid
1.0s1229×body1280valid
681.0ms1455×body640valid
360.0ms953×body320valid
224.0ms2260×body80valid
91.0ms500×body160valid