Details

Time bar (total: 26.7s)

sample97.0ms

Algorithm
intervals
Results
35.0ms304×body80valid
15.0ms23×body1280valid
13.0ms32×body640valid
8.0ms23×body320valid
2.0msbody160valid

simplify1.5s

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

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.6b

localize25.0ms

Local error

Found 4 expressions with local error:

0.7b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
3.0b
(* (* x (pow sin 2.0)) x)
7.0b
(* x (pow sin 2.0))
20.7b
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

rewrite150.0ms

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:
49.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
17.0ms
(* (* x (pow sin 2.0)) x)
9.0ms
(* x (pow sin 2.0))
69.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

series1.1s

Counts
4 → 12
Calls
4 calls:
425.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
197.0ms
(* (* x (pow sin 2.0)) x)
190.0ms
(* x (pow sin 2.0))
318.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

simplify1.7s

Counts
127 → 127
Iterations
IterNodes
done5002
22350
1430
0166

prune817.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 14.2b

localize28.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
0.7b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
3.0b
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
20.7b
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

rewrite411.0ms

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:
22.0ms
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
158.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
58.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
162.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

series1.2s

Counts
4 → 12
Calls
4 calls:
152.0ms
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
368.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
231.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
413.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

simplify2.2s

Counts
198 → 198
Iterations
IterNodes
done5002
23307
1575
0198

prune698.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 5.7b

localize35.0ms

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))
0.7b
(/ (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))))
5.6b
(* (pow cos (/ 2.0 2)) (* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x)))
6.4b
(* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x))

rewrite608.0ms

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:
105.0ms
(* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x))
208.0ms
(/ (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))))
217.0ms
(* (pow cos (/ 2.0 2)) (* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x)))
26.0ms
(* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x))

series2.4s

Counts
4 → 12
Calls
4 calls:
775.0ms
(* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x))
473.0ms
(/ (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))))
675.0ms
(* (pow cos (/ 2.0 2)) (* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x)))
473.0ms
(* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x))

simplify2.6s

Counts
478 → 478
Iterations
IterNodes
done5000
23721
1866
0267

prune784.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 3.3b

localize30.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (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))
5.9b
(/ (/ (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)))
6.4b
(* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x))

rewrite301.0ms

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:
18.0ms
(/ (cos (* 2.0 x)) (pow cos (/ 2.0 2)))
89.0ms
(* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x))
116.0ms
(/ (/ (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)))
41.0ms
(* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x))

series2.0s

Counts
4 → 12
Calls
4 calls:
269.0ms
(/ (cos (* 2.0 x)) (pow cos (/ 2.0 2)))
739.0ms
(* (* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x)) (* (pow sin (/ 2.0 2)) x))
480.0ms
(/ (/ (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)))
496.0ms
(* (pow cos (/ 2.0 2)) (* (pow sin (/ 2.0 2)) x))

simplify1.9s

Counts
444 → 444
Iterations
IterNodes
done5001
11201
0352

prune1.4s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.9b

regimes778.0ms

Accuracy

-0.2% (2.0b remaining)

Error of 2.7b against oracle of 0.7b and baseline of 2.7b

bsearch191.0ms

Steps
ItersRangePoint
9
1.721851027394304e-131
4.241195356250261e-126
7.441590536785485e-128
7
-84463.33967257517
-1633.4135693106575
-2020.5836627569333

simplify15.0ms

Iterations
IterNodes
done39
139
028

end0.0ms

sample3.7s

Algorithm
intervals
Results
1.3s9037×body80valid
988.0ms982×body640valid
658.0ms790×body1280valid
202.0ms608×body320valid
71.0ms316×body160valid