Details

Time bar (total: 28.0s)

sample90.0ms

Algorithm
intervals
Results
26.0ms272×body80valid
25.0ms31×body1280valid
10.0ms24×body640valid
4.0ms14×body320valid
2.0ms11×body160valid

simplify1.3s

Counts
1 → 1
Iterations
IterNodes
done5000
41263
3241
267
126
012

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.5b

localize25.0ms

Local error

Found 4 expressions with local error:

0.6b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
5.8b
(* (* x (pow sin 2.0)) x)
9.6b
(* x (pow sin 2.0))
14.6b
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

rewrite137.0ms

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×*-un-lft-identity add-cube-cbrt
11×associate-*r* associate-*l*
unpow-prod-down
pow1
cbrt-undiv add-log-exp
times-frac *-commutative associate-/l* unswap-sqr sqr-pow
clear-num associate-/r* frac-2neg pow-prod-down div-inv
Counts
4 → 115
Calls
4 calls:
51.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
18.0ms
(* (* x (pow sin 2.0)) x)
10.0ms
(* x (pow sin 2.0))
53.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

series1.1s

Counts
4 → 12
Calls
4 calls:
372.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
203.0ms
(* (* x (pow sin 2.0)) x)
181.0ms
(* x (pow sin 2.0))
361.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

simplify1.9s

Counts
127 → 127
Iterations
IterNodes
done5002
22350
1430
0166

prune681.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 11.5b

localize41.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
0.6b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
5.8b
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
14.6b
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

rewrite605.0ms

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 *-un-lft-identity associate-*r* add-cube-cbrt
associate-*l*
pow1 unpow-prod-down
cbrt-undiv
add-log-exp
times-frac *-commutative associate-/l*
sqr-pow
clear-num associate-/r* frac-2neg pow-prod-down div-inv
Counts
4 → 186
Calls
4 calls:
45.0ms
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
240.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
105.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
187.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

series1.3s

Counts
4 → 12
Calls
4 calls:
207.0ms
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
418.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
228.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
425.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

simplify2.3s

Counts
198 → 198
Iterations
IterNodes
done5002
23307
1575
0198

prune800.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 3.1b

localize54.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x))
0.6b
(/ (cos (* 2.0 x)) (* (pow cos (/ 2.0 2)) (* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x))))
4.0b
(* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x))
4.1b
(* (pow cos (/ 2.0 2)) (* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x)))

rewrite727.0ms

Algorithm
rewrite-expression-head
Rules
1711×add-exp-log
1564×prod-exp
400×pow-to-exp pow-exp
160×div-exp
97×add-cbrt-cube
62×cbrt-unprod
15×associate-*l*
10×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
cbrt-undiv
pow1 unpow-prod-down
add-log-exp
times-frac associate-*r* *-commutative associate-/l*
sqr-pow
clear-num associate-/r* frac-2neg pow-prod-down div-inv
Counts
4 → 466
Calls
4 calls:
100.0ms
(* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x))
227.0ms
(/ (cos (* 2.0 x)) (* (pow cos (/ 2.0 2)) (* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x))))
35.0ms
(* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x))
272.0ms
(* (pow cos (/ 2.0 2)) (* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x)))

series2.4s

Counts
4 → 12
Calls
4 calls:
688.0ms
(* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x))
488.0ms
(/ (cos (* 2.0 x)) (* (pow cos (/ 2.0 2)) (* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x))))
478.0ms
(* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x))
739.0ms
(* (pow cos (/ 2.0 2)) (* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x)))

simplify2.9s

Counts
478 → 478
Iterations
IterNodes
done5000
23700
1860
0267

prune887.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 1.3b

localize37.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (cos (* 2.0 x)) (pow cos (/ 2.0 2)))
0.2b
(* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x))
4.0b
(* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x))
4.3b
(/ (/ (cos (* 2.0 x)) (pow cos (/ 2.0 2))) (* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x)))

rewrite317.0ms

Algorithm
rewrite-expression-head
Rules
1287×add-exp-log
896×prod-exp
374×div-exp
266×pow-to-exp pow-exp
97×add-cbrt-cube
88×times-frac
50×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
48×cbrt-unprod
33×unpow-prod-down
28×associate-/l*
22×cbrt-undiv
11×sqr-pow
associate-/r* associate-*l*
pow1
div-inv add-log-exp
clear-num frac-2neg associate-*r* *-commutative
pow-prod-down associate-/l/
Counts
4 → 432
Calls
4 calls:
14.0ms
(/ (cos (* 2.0 x)) (pow cos (/ 2.0 2)))
103.0ms
(* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x))
44.0ms
(* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x))
105.0ms
(/ (/ (cos (* 2.0 x)) (pow cos (/ 2.0 2))) (* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x)))

series2.3s

Counts
4 → 12
Calls
4 calls:
587.0ms
(/ (cos (* 2.0 x)) (pow cos (/ 2.0 2)))
757.0ms
(* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x))
525.0ms
(* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x))
419.0ms
(/ (/ (cos (* 2.0 x)) (pow cos (/ 2.0 2))) (* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x)))

simplify2.0s

Counts
444 → 444
Iterations
IterNodes
done5000
11212
0352

prune1.6s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.3b

regimes942.0ms

Accuracy

0% (1.0b remaining)

Error of 2.5b against oracle of 1.5b and baseline of 2.5b

bsearch0.0ms

simplify4.0ms

Iterations
IterNodes
done23
123
017

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.6s9044×body80valid
592.0ms852×body1280valid
563.0ms1001×body640valid
268.0ms601×body320valid
62.0ms304×body160valid