Details

Time bar (total: 19.9s)

sample85.0ms

Algorithm
intervals
Results
29.0ms287×body80valid
14.0ms34×body640valid
14.0ms24×body1280valid
7.0ms23×body320valid
2.0msbody160valid

simplify2.0s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01216
12616
26716
324116
4109716
done500016

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.2b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
4.8b
(* (* x (pow sin 2.0)) x)
6.4b
(* x (pow sin 2.0))
17.6b
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

rewrite233.0ms

Algorithm
rewrite-expression-head
Rules
122×add-exp-log
82×prod-exp
34×add-cbrt-cube
18×pow-to-exp pow-exp
17×add-sqr-sqrt
16×div-exp cbrt-unprod
12×add-cube-cbrt *-un-lft-identity
11×associate-*r* associate-*l*
unpow-prod-down
pow1
cbrt-undiv expm1-log1p-u log1p-expm1-u add-log-exp
times-frac *-commutative associate-/l* unswap-sqr sqr-pow
frac-2neg pow-prod-down clear-num associate-/r* div-inv
Counts
4 → 123
Calls
4 calls:
85.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
34.0ms
(* (* x (pow sin 2.0)) x)
16.0ms
(* x (pow sin 2.0))
91.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

series1.1s

Counts
4 → 12
Calls
4 calls:
400.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
181.0ms
(* (* x (pow sin 2.0)) x)
148.0ms
(* x (pow sin 2.0))
368.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

simplify1.1s

Counts
135 → 135
Iterations

Useful iterations: 2 (343.0ms)

IterNodesCost
01792045
14211897
214451617
done50001617

prune478.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 13.9b

localize21.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
0.2b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
4.8b
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
17.6b
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

rewrite703.0ms

Algorithm
rewrite-expression-head
Rules
416×add-exp-log
343×prod-exp
84×pow-to-exp pow-exp
52×add-cbrt-cube
43×div-exp
29×cbrt-unprod
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity associate-*r*
associate-*l*
pow1 unpow-prod-down
cbrt-undiv
expm1-log1p-u log1p-expm1-u add-log-exp
times-frac *-commutative associate-/l*
sqr-pow
frac-2neg pow-prod-down clear-num associate-/r* div-inv
Counts
4 → 194
Calls
4 calls:
39.0ms
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
265.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
119.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
267.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

series1.3s

Counts
4 → 12
Calls
4 calls:
221.0ms
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
465.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
172.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
395.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

simplify1.3s

Counts
206 → 206
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02115143
15453013
221092569
done50002565

prune449.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 10.2b

localize18.0ms

Local error

Found 3 expressions with local error:

0.2b
(* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))
0.2b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))))
17.6b
(* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x)))

rewrite357.0ms

Algorithm
rewrite-expression-head
Rules
466×add-exp-log
382×prod-exp
90×pow-to-exp pow-exp
58×add-cbrt-cube
52×div-exp
34×cbrt-unprod
associate-*l*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
cbrt-undiv
pow1
expm1-log1p-u unpow-prod-down times-frac log1p-expm1-u associate-/l* add-log-exp
associate-*r* *-commutative
frac-2neg pow-prod-down clear-num associate-/r* div-inv sqr-pow
Counts
3 → 184
Calls
3 calls:
80.0ms
(* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))
103.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))))
148.0ms
(* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x)))

series1.1s

Counts
3 → 9
Calls
3 calls:
219.0ms
(* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))
462.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))))
468.0ms
(* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x)))

simplify1.3s

Counts
193 → 193
Iterations

Useful iterations: 2 (390.0ms)

IterNodesCost
01885240
14803102
218642616
done50002616

prune425.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 9.6b

localize39.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (cos (* 2.0 x)) (* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x)))
4.9b
(* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x))
14.2b
(* (pow cos 2.0) (* x (pow sin (/ 2.0 2))))

rewrite284.0ms

Algorithm
rewrite-expression-head
Rules
455×add-exp-log
371×prod-exp
89×pow-to-exp pow-exp
58×add-cbrt-cube
53×div-exp
33×cbrt-unprod
associate-*l*
cbrt-undiv add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1
expm1-log1p-u unpow-prod-down times-frac log1p-expm1-u associate-/l* add-log-exp
associate-*r* *-commutative
frac-2neg pow-prod-down clear-num associate-/r* div-inv sqr-pow
Counts
3 → 182
Calls
3 calls:
97.0ms
(/ (cos (* 2.0 x)) (* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x)))
118.0ms
(* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x))
55.0ms
(* (pow cos 2.0) (* x (pow sin (/ 2.0 2))))

series1.2s

Counts
3 → 9
Calls
3 calls:
448.0ms
(/ (cos (* 2.0 x)) (* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x)))
463.0ms
(* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x))
306.0ms
(* (pow cos 2.0) (* x (pow sin (/ 2.0 2))))

simplify1.2s

Counts
191 → 191
Iterations

Useful iterations: 2 (457.0ms)

IterNodesCost
01915082
15103288
219102764
done50002764

prune320.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 4.1b

regimes482.0ms

Accuracy

0% (2.1b remaining)

Error of 6.6b against oracle of 4.5b and baseline of 6.6b

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01632
12032
done2032

end0.0ms

sample4.5s

Algorithm
intervals
Results
1.8s9189×body80valid
747.0ms990×body640valid
747.0ms618×body320valid
572.0ms783×body1280valid
112.0ms274×body160valid