Details

Time bar (total: 15.1s)

sample89.0ms

Algorithm
intervals
Results
27.0ms145×body80valid
25.0ms41×body1280valid
16.0ms40×body640valid
6.0ms22×body320valid
1.0msbody160valid

simplify329.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01116
12016
24316
39316
417316
527716
631416
done31416

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.9b

localize19.0ms

Local error

Found 3 expressions with local error:

0.2b
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
0.4b
(* (/ 8.0 3.0) (sin (* x 0.5)))
15.7b
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

rewrite242.0ms

Algorithm
rewrite-expression-head
Rules
31×add-exp-log add-cbrt-cube
19×add-sqr-sqrt
14×add-cube-cbrt *-un-lft-identity associate-*l*
13×times-frac
12×prod-exp cbrt-unprod
10×pow1
cbrt-undiv div-exp
associate-*r*
associate-*l/
pow-prod-down
associate-/r* add-log-exp
*-commutative div-inv unswap-sqr
frac-2neg clear-num associate-/l/ associate-/l*
Counts
3 → 79
Calls
3 calls:
97.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
43.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
98.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

series213.0ms

Counts
3 → 9
Calls
3 calls:
59.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
45.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
109.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

simplify1.5s

Counts
88 → 88
Iterations

Useful iterations: 2 (304.0ms)

IterNodesCost
01631474
14131285
227151064
done50011064

prune334.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.1b

localize12.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (sin (* x 0.5)) (sin x))
0.2b
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
0.4b
(* (/ 8.0 3.0) (sin (* x 0.5)))

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
31×add-exp-log add-sqr-sqrt add-cbrt-cube
28×times-frac
26×add-cube-cbrt *-un-lft-identity
16×associate-*r*
14×associate-*l*
12×prod-exp cbrt-unprod
10×pow1
cbrt-undiv div-exp
pow-prod-down associate-*l/
associate-/r* div-inv associate-/l* add-log-exp
*-commutative unswap-sqr
frac-times frac-2neg associate-*r/ clear-num
Counts
3 → 98
Calls
3 calls:
15.0ms
(/ (sin (* x 0.5)) (sin x))
78.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
34.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

series201.0ms

Counts
3 → 9
Calls
3 calls:
58.0ms
(/ (sin (* x 0.5)) (sin x))
90.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
52.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

simplify2.5s

Counts
107 → 107
Iterations

Useful iterations: done (2.5s)

IterNodesCost
01831718
14921676
232321342
done50001292

prune372.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0b

localize27.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (sin (* x 0.5)) (sin x))
0.1b
(/ (* 8.0 (sin (* 0.5 x))) 3.0)
0.2b
(* (* 1 (/ (* 8.0 (sin (* 0.5 x))) 3.0)) (/ (sin (* x 0.5)) (sin x)))

rewrite150.0ms

Algorithm
rewrite-expression-head
Rules
63×add-exp-log
42×add-cbrt-cube
31×prod-exp
21×times-frac
20×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
18×div-exp
17×cbrt-unprod
13×associate-*r*
11×cbrt-undiv
pow1
1-exp associate-/r*
associate-/l*
associate-*r/ pow-prod-down div-inv add-log-exp
frac-2neg clear-num
frac-times associate-*l* associate-*l/ *-commutative
Counts
3 → 97
Calls
3 calls:
22.0ms
(/ (sin (* x 0.5)) (sin x))
28.0ms
(/ (* 8.0 (sin (* 0.5 x))) 3.0)
94.0ms
(* (* 1 (/ (* 8.0 (sin (* 0.5 x))) 3.0)) (/ (sin (* x 0.5)) (sin x)))

series210.0ms

Counts
3 → 9
Calls
3 calls:
56.0ms
(/ (sin (* x 0.5)) (sin x))
50.0ms
(/ (* 8.0 (sin (* 0.5 x))) 3.0)
105.0ms
(* (* 1 (/ (* 8.0 (sin (* 0.5 x))) 3.0)) (/ (sin (* x 0.5)) (sin x)))

simplify2.2s

Counts
106 → 106
Iterations

Useful iterations: done (2.2s)

IterNodesCost
01992000
15631782
238211469
done50001330

prune393.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0b

localize30.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sin (* x 0.5)) (sin x))
0.2b
(* (* (/ (sqrt 8.0) 1) (* (sin (* 0.5 x)) (/ (sqrt 8.0) 3.0))) (/ (sin (* x 0.5)) (sin x)))
0.4b
(* (/ (sqrt 8.0) 1) (* (sin (* 0.5 x)) (/ (sqrt 8.0) 3.0)))
1.0b
(/ (sqrt 8.0) 3.0)

rewrite376.0ms

Algorithm
rewrite-expression-head
Rules
130×add-exp-log
94×add-cbrt-cube
65×prod-exp
54×times-frac
47×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
44×cbrt-unprod
39×div-exp
24×cbrt-undiv
23×associate-*l*
21×sqrt-prod
18×pow1
14×associate-*r*
10×associate-*r/
1-exp pow-prod-down associate-/l*
frac-times associate-*l/ associate-/r*
div-inv add-log-exp
frac-2neg clear-num *-commutative
Counts
4 → 183
Calls
4 calls:
13.0ms
(/ (sin (* x 0.5)) (sin x))
239.0ms
(* (* (/ (sqrt 8.0) 1) (* (sin (* 0.5 x)) (/ (sqrt 8.0) 3.0))) (/ (sin (* x 0.5)) (sin x)))
101.0ms
(* (/ (sqrt 8.0) 1) (* (sin (* 0.5 x)) (/ (sqrt 8.0) 3.0)))
10.0ms
(/ (sqrt 8.0) 3.0)

series441.0ms

Counts
4 → 10
Calls
4 calls:
46.0ms
(/ (sin (* x 0.5)) (sin x))
254.0ms
(* (* (/ (sqrt 8.0) 1) (* (sin (* 0.5 x)) (/ (sqrt 8.0) 3.0))) (/ (sin (* x 0.5)) (sin x)))
141.0ms
(* (/ (sqrt 8.0) 1) (* (sin (* 0.5 x)) (/ (sqrt 8.0) 3.0)))
0.0ms
(/ (sqrt 8.0) 3.0)

simplify466.0ms

Counts
193 → 193
Iterations

Useful iterations: done (460.0ms)

IterNodesCost
02994098
18793402
done50012895

prune710.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0b

regimes62.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01518
12016
22116
done2116

end0.0ms

sample4.1s

Algorithm
intervals
Results
1.6s1535×body1280valid
1.2s1268×body640valid
577.0ms4280×body80valid
365.0ms612×body320valid
75.0ms305×body160valid