Details

Time bar (total: 19.4s)

sample176.0ms

Algorithm
intervals
Results
55.0ms50×body1280valid
51.0ms135×body80valid
34.0ms42×body640valid
11.0ms20×body320valid
4.0msbody160valid

simplify394.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01116
12016
24316
39316
417316
527716
631416
done31416

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.0b

localize17.0ms

Local error

Found 3 expressions with local error:

0.3b
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
0.4b
(* (/ 8.0 3.0) (sin (* x 0.5)))
12.8b
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

rewrite344.0ms

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
expm1-log1p-u associate-/r* log1p-expm1-u add-log-exp
*-commutative div-inv unswap-sqr
frac-2neg clear-num associate-/l/ associate-/l*
Counts
3 → 85
Calls
3 calls:
138.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
59.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
141.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

series294.0ms

Counts
3 → 9
Calls
3 calls:
91.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
55.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
148.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

simplify1.8s

Counts
94 → 94
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01691554
14241349
224901130
done50021088

prune399.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

localize28.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (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)))

rewrite178.0ms

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/
expm1-log1p-u associate-/r* log1p-expm1-u div-inv associate-/l* add-log-exp
*-commutative unswap-sqr
frac-times frac-2neg associate-*r/ clear-num
Counts
3 → 104
Calls
3 calls:
17.0ms
(/ (sin (* x 0.5)) (sin x))
108.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
48.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

series286.0ms

Counts
3 → 9
Calls
3 calls:
77.0ms
(/ (sin (* x 0.5)) (sin x))
149.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
59.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

simplify3.4s

Counts
113 → 113
Iterations

Useful iterations: done (3.4s)

IterNodesCost
01891786
14991739
233141390
done50011349

prune525.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0b

localize35.0ms

Local error

Found 3 expressions with local error:

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

rewrite106.0ms

Algorithm
rewrite-expression-head
Rules
28×add-exp-log add-cbrt-cube
27×times-frac
26×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
13×associate-*r*
10×prod-exp cbrt-unprod
pow1
cbrt-undiv div-exp
associate-/r* associate-/l*
expm1-log1p-u associate-*r/ pow-prod-down log1p-expm1-u div-inv add-log-exp
frac-2neg clear-num
frac-times associate-*l* associate-*l/ *-commutative
Counts
3 → 99
Calls
3 calls:
25.0ms
(/ (sin (* 0.5 x)) 3.0)
15.0ms
(/ (sin (* x 0.5)) (sin x))
57.0ms
(* (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (/ (sin (* x 0.5)) (sin x)))

series284.0ms

Counts
3 → 9
Calls
3 calls:
61.0ms
(/ (sin (* 0.5 x)) 3.0)
88.0ms
(/ (sin (* x 0.5)) (sin x))
135.0ms
(* (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (/ (sin (* x 0.5)) (sin x)))

simplify2.0s

Counts
108 → 108
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01931725
14811656
228941361
done50001310

prune379.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0b

localize48.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (/ (* (cbrt 8.0) (cbrt 8.0)) (* (cbrt 3.0) (cbrt 3.0))) (* (sin (* 0.5 x)) (/ (cbrt 8.0) (cbrt 3.0)))) (/ (sin (* x 0.5)) (sin x)))
0.2b
(* (/ (* (cbrt 8.0) (cbrt 8.0)) (* (cbrt 3.0) (cbrt 3.0))) (* (sin (* 0.5 x)) (/ (cbrt 8.0) (cbrt 3.0))))
0.4b
(* (sin (* 0.5 x)) (/ (cbrt 8.0) (cbrt 3.0)))
1.0b
(/ (cbrt 8.0) (cbrt 3.0))

rewrite712.0ms

Algorithm
rewrite-expression-head
Rules
268×add-exp-log
162×add-cbrt-cube
145×prod-exp cbrt-unprod
86×times-frac
82×cbrt-prod
80×add-sqr-sqrt
69×cbrt-undiv div-exp
66×add-cube-cbrt *-un-lft-identity
54×associate-*r*
20×pow1
11×associate-*r/
10×pow-prod-down
associate-*l*
frac-times associate-*l/ associate-/r* associate-/l*
unswap-sqr
expm1-log1p-u log1p-expm1-u div-inv add-log-exp
*-commutative
frac-2neg clear-num
Counts
4 → 275
Calls
4 calls:
437.0ms
(* (* (/ (* (cbrt 8.0) (cbrt 8.0)) (* (cbrt 3.0) (cbrt 3.0))) (* (sin (* 0.5 x)) (/ (cbrt 8.0) (cbrt 3.0)))) (/ (sin (* x 0.5)) (sin x)))
187.0ms
(* (/ (* (cbrt 8.0) (cbrt 8.0)) (* (cbrt 3.0) (cbrt 3.0))) (* (sin (* 0.5 x)) (/ (cbrt 8.0) (cbrt 3.0))))
58.0ms
(* (sin (* 0.5 x)) (/ (cbrt 8.0) (cbrt 3.0)))
9.0ms
(/ (cbrt 8.0) (cbrt 3.0))

series997.0ms

Counts
4 → 10
Calls
4 calls:
476.0ms
(* (* (/ (* (cbrt 8.0) (cbrt 8.0)) (* (cbrt 3.0) (cbrt 3.0))) (* (sin (* 0.5 x)) (/ (cbrt 8.0) (cbrt 3.0)))) (/ (sin (* x 0.5)) (sin x)))
339.0ms
(* (/ (* (cbrt 8.0) (cbrt 8.0)) (* (cbrt 3.0) (cbrt 3.0))) (* (sin (* 0.5 x)) (/ (cbrt 8.0) (cbrt 3.0))))
182.0ms
(* (sin (* 0.5 x)) (/ (cbrt 8.0) (cbrt 3.0)))
0.0ms
(/ (cbrt 8.0) (cbrt 3.0))

simplify740.0ms

Counts
285 → 285
Iterations

Useful iterations: done (730.0ms)

IterNodesCost
04038131
112927668
done50004918

prune1.6s

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 0b

regimes65.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01316
11516
done1516

end0.0ms

sample4.6s

Algorithm
intervals
Results
2.3s1543×body1280valid
902.0ms1255×body640valid
647.0ms4291×body80valid
382.0ms621×body320valid
86.0ms290×body160valid