Details

Time bar (total: 20.9s)

sample116.0ms

Algorithm
intervals
Results
36.0ms289×body80valid
22.0ms28×body1280valid
17.0ms31×body640valid
7.0ms18×body320valid
3.0ms10×body160valid

simplify2.5s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01216
12616
26716
324116
4109716
done500016

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.8b

localize26.0ms

Local error

Found 4 expressions with local error:

0.8b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
3.5b
(* (* x (pow sin 2.0)) x)
9.6b
(* x (pow sin 2.0))
19.2b
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

rewrite228.0ms

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:
94.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
38.0ms
(* (* x (pow sin 2.0)) x)
18.0ms
(* x (pow sin 2.0))
73.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

series1.1s

Counts
4 → 12
Calls
4 calls:
396.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
169.0ms
(* (* x (pow sin 2.0)) x)
171.0ms
(* x (pow sin 2.0))
337.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

simplify1.2s

Counts
127 → 127
Iterations

Useful iterations: 2 (359.0ms)

IterNodesCost
01711959
14071811
214241531
done50011531

prune381.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 13.8b

localize28.0ms

Local error

Found 4 expressions with local error:

0.2b
(cos (* 2.0 x))
0.8b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
3.5b
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
19.2b
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

rewrite757.0ms

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:
8.0ms
(cos (* 2.0 x))
296.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
122.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
318.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

series1.0s

Counts
4 → 12
Calls
4 calls:
15.0ms
(cos (* 2.0 x))
463.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
186.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
360.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

simplify1.3s

Counts
175 → 175
Iterations

Useful iterations: 2 (405.0ms)

IterNodesCost
01874524
14912705
219252299
done50002299

prune424.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 12.1b

localize36.0ms

Local error

Found 4 expressions with local error:

0.2b
(cos (* 2.0 x))
0.3b
(* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))
0.8b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))))
19.2b
(* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x)))

rewrite367.0ms

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
add-sqr-sqrt add-cube-cbrt *-un-lft-identity associate-*l*
pow1 cbrt-undiv
add-log-exp
unpow-prod-down times-frac associate-/l*
associate-*r* *-commutative
frac-2neg pow-prod-down clear-num associate-/r* div-inv sqr-pow
Counts
4 → 185
Calls
4 calls:
12.0ms
(cos (* 2.0 x))
63.0ms
(* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))
107.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))))
161.0ms
(* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x)))

series1.1s

Counts
4 → 12
Calls
4 calls:
14.0ms
(cos (* 2.0 x))
235.0ms
(* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))
467.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))))
402.0ms
(* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x)))

simplify1.4s

Counts
197 → 197
Iterations

Useful iterations: 2 (510.0ms)

IterNodesCost
01905189
14783099
219182615
done50002615

prune423.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 10.9b

localize34.0ms

Local error

Found 4 expressions with local error:

0.2b
(cos (* 2.0 x))
0.8b
(/ (cos (* 2.0 x)) (* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x)))
6.4b
(* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x))
12.8b
(* (pow cos 2.0) (* x (pow sin (/ 2.0 2))))

rewrite386.0ms

Algorithm
rewrite-expression-head
Rules
456×add-exp-log
371×prod-exp
89×pow-to-exp pow-exp
59×add-cbrt-cube
53×div-exp
33×cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity associate-*l*
cbrt-undiv
pow1
add-log-exp
unpow-prod-down times-frac associate-/l*
associate-*r* *-commutative
frac-2neg pow-prod-down clear-num associate-/r* div-inv sqr-pow
Counts
4 → 183
Calls
4 calls:
9.0ms
(cos (* 2.0 x))
150.0ms
(/ (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))
62.0ms
(* (pow cos 2.0) (* x (pow sin (/ 2.0 2))))

series1.2s

Counts
4 → 12
Calls
4 calls:
33.0ms
(cos (* 2.0 x))
496.0ms
(/ (cos (* 2.0 x)) (* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x)))
380.0ms
(* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x))
312.0ms
(* (pow cos 2.0) (* x (pow sin (/ 2.0 2))))

simplify1.4s

Counts
195 → 195
Iterations

Useful iterations: 2 (531.0ms)

IterNodesCost
01935039
15163277
220192735
done50012735

prune317.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 4.7b

regimes1.1s

Accuracy

0% (1.6b remaining)

Error of 6.9b against oracle of 5.2b and baseline of 6.9b

bsearch0.0ms

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01632
12032
done2032

end0.0ms

sample4.1s

Algorithm
intervals
Results
1.9s8961×body80valid
608.0ms838×body1280valid
589.0ms925×body640valid
311.0ms602×body320valid
76.0ms319×body160valid