Details

Time bar (total: 10.7s)

sample54.0ms

Algorithm
intervals
Results
18.0ms302×body80valid
11.0ms31×body1280valid
6.0ms23×body640valid
4.0ms21×body320valid
1.0msbody160valid

simplify453.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01216
12616
26616
322716
4101316
done500016

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.4b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
2.7b
(* (* x (pow sin 2.0)) x)
8.4b
(* x (pow sin 2.0))
19.9b
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

rewrite70.0ms

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 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 → 115
Calls
4 calls:
24.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
8.0ms
(* (* x (pow sin 2.0)) x)
5.0ms
(* x (pow sin 2.0))
24.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

series825.0ms

Counts
4 → 12
Calls
4 calls:
286.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
144.0ms
(* (* x (pow sin 2.0)) x)
136.0ms
(* x (pow sin 2.0))
258.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

simplify604.0ms

Counts
127 → 127
Iterations

Useful iterations: 2 (137.0ms)

IterNodesCost
01711959
14341811
216721531
done50001531

prune264.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 14.3b

localize19.0ms

Local error

Found 4 expressions with local error:

0.2b
(cos (* 2.0 x))
0.4b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
2.7b
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
19.9b
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

rewrite222.0ms

Algorithm
rewrite-expression-head
Rules
390×add-exp-log
322×prod-exp
77×pow-to-exp pow-exp
47×add-cbrt-cube
43×div-exp
26×cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-*l*
pow1
cbrt-undiv
associate-*r* add-log-exp
unpow-prod-down times-frac associate-/l*
*-commutative
frac-2neg pow-prod-down clear-num associate-/r* div-inv sqr-pow
Counts
4 → 163
Calls
4 calls:
2.0ms
(cos (* 2.0 x))
88.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
31.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
89.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

series725.0ms

Counts
4 → 12
Calls
4 calls:
13.0ms
(cos (* 2.0 x))
299.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
150.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
262.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

simplify900.0ms

Counts
175 → 175
Iterations

Useful iterations: 2 (211.0ms)

IterNodesCost
01874524
15472705
222022299
done50002299

prune244.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 12.5b

localize15.0ms

Local error

Found 4 expressions with local error:

0.2b
(cos (* 2.0 x))
0.3b
(* (* x (pow sin (/ 2.0 2))) (* x (pow sin (/ 2.0 2))))
0.4b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* x (pow sin (/ 2.0 2))))))
19.9b
(* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* x (pow sin (/ 2.0 2)))))

rewrite111.0ms

Algorithm
rewrite-expression-head
Rules
467×add-exp-log
382×prod-exp
90×pow-to-exp pow-exp
59×add-cbrt-cube
52×div-exp
34×cbrt-unprod
11×pow1
10×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity associate-*l*
cbrt-undiv
unpow-prod-down add-log-exp
times-frac associate-/l* unswap-sqr
associate-*r* *-commutative sqr-pow
pow2 frac-2neg pow-plus swap-sqr pow-prod-down clear-num associate-/r* pow-sqr pow-prod-up div-inv
Counts
4 → 193
Calls
4 calls:
2.0ms
(cos (* 2.0 x))
14.0ms
(* (* x (pow sin (/ 2.0 2))) (* x (pow sin (/ 2.0 2))))
42.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* x (pow sin (/ 2.0 2))))))
40.0ms
(* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* x (pow sin (/ 2.0 2)))))

series722.0ms

Counts
4 → 12
Calls
4 calls:
13.0ms
(cos (* 2.0 x))
151.0ms
(* (* x (pow sin (/ 2.0 2))) (* x (pow sin (/ 2.0 2))))
294.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* x (pow sin (/ 2.0 2))))))
264.0ms
(* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* x (pow sin (/ 2.0 2)))))

simplify739.0ms

Counts
205 → 205
Iterations

Useful iterations: 2 (200.0ms)

IterNodesCost
01875282
15093194
218822692
done50002692

prune255.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 3.0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2)))) (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2)))))
0.4b
(/ (cos (* 2.0 x)) (* (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2)))) (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))))
5.9b
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
5.9b
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

rewrite167.0ms

Algorithm
rewrite-expression-head
Rules
1631×add-exp-log
1472×prod-exp
378×pow-to-exp pow-exp
170×div-exp
97×add-cbrt-cube
60×cbrt-unprod
15×associate-*l*
11×pow1
10×cbrt-undiv add-sqr-sqrt add-cube-cbrt *-un-lft-identity
unpow-prod-down
add-log-exp
times-frac associate-*r* *-commutative associate-/l*
sqr-pow
pow2 frac-2neg pow-plus swap-sqr pow-prod-down clear-num associate-/r* pow-sqr pow-prod-up div-inv
Counts
4 → 451
Calls
4 calls:
49.0ms
(* (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2)))) (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2)))))
53.0ms
(/ (cos (* 2.0 x)) (* (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2)))) (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))))
10.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
11.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

series995.0ms

Counts
4 → 12
Calls
4 calls:
267.0ms
(* (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2)))) (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2)))))
297.0ms
(/ (cos (* 2.0 x)) (* (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2)))) (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))))
208.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
223.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

simplify1.2s

Counts
463 → 463
Iterations

Useful iterations: 2 (422.0ms)

IterNodesCost
024215892
17327616
223246700
done50016700

prune249.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 2.9b

regimes284.0ms

Accuracy

0% (0.3b remaining)

Error of 2.6b against oracle of 2.4b and baseline of 2.6b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01432
11732
done1732

end0.0ms

sample1.5s

Algorithm
intervals
Results
556.0ms8936×body80valid
300.0ms852×body1280valid
245.0ms987×body640valid
107.0ms578×body320valid
45.0ms339×body160valid