Details

Time bar (total: 7.8s)

sample90.0ms

Algorithm
intervals
Results
33.0ms271×body80valid
17.0ms30×body1280valid
16.0ms32×body640valid
8.0ms22×body320valid
1.0msbody160valid

simplify41.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0278
1688
22438
312668
450018

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.4b

localize13.0ms

Local error

Found 4 expressions with local error:

0.5b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
2.2b
(* (* x (pow sin 2.0)) x)
10.5b
(* x (pow sin 2.0))
20.3b
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

rewrite76.0ms

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:
26.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
9.0ms
(* (* x (pow sin 2.0)) x)
6.0ms
(* x (pow sin 2.0))
29.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

series828.0ms

Counts
4 → 12
Calls
4 calls:
290.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
143.0ms
(* (* x (pow sin 2.0)) x)
134.0ms
(* x (pow sin 2.0))
261.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

simplify64.0ms

Algorithm
egg-herbie
Counts
127 → 127
Iterations

Useful iterations: 1 (11.0ms)

IterNodesCost
0435927
12042771
25002771

prune279.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 16.3b

localize19.0ms

Local error

Found 4 expressions with local error:

0.2b
(cos (* 2.0 x))
0.5b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
2.2b
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
20.3b
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

rewrite240.0ms

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))
96.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
33.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
97.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

series714.0ms

Counts
4 → 12
Calls
4 calls:
12.0ms
(cos (* 2.0 x))
290.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
148.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
263.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

simplify86.0ms

Algorithm
egg-herbie
Counts
175 → 175
Iterations

Useful iterations: 2 (62.0ms)

IterNodesCost
05481952
125151327
250021315

prune253.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 4.8b

localize15.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))) (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))))
0.5b
(/ (cos (* 2.0 x)) (* (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))) (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2)))))))
6.4b
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
6.4b
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
63×add-exp-log
44×prod-exp
21×add-cbrt-cube
17×associate-*l*
16×add-sqr-sqrt
14×pow-to-exp add-cube-cbrt *-un-lft-identity pow-exp
11×pow1
cbrt-unprod
unpow-prod-down
associate-*r*
add-log-exp
times-frac swap-sqr *-commutative associate-/l*
cbrt-undiv div-exp sqr-pow
pow2 frac-2neg pow-plus pow-prod-down clear-num associate-/r* pow-sqr pow-prod-up div-inv unswap-sqr
Counts
4 → 106
Calls
4 calls:
3.0ms
(* (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))) (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))))
5.0ms
(/ (cos (* 2.0 x)) (* (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))) (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2)))))))
11.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
11.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

series552.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(* (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))) (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))))
102.0ms
(/ (cos (* 2.0 x)) (* (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))) (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2)))))))
209.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
208.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

simplify50.0ms

Algorithm
egg-herbie
Counts
118 → 118
Iterations

Useful iterations: 2 (33.0ms)

IterNodesCost
03161464
112291194
250021122

prune345.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 0.3b

localize16.0ms

Local error

Found 4 expressions with local error:

0.2b
(cos (* 2.0 x))
0.3b
(pow (fabs (* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)) 2)
0.5b
(/ (cos (* 2.0 x)) (pow (fabs (* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)) 2))
4.2b
(* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
36×add-exp-log
28×add-sqr-sqrt
25×add-cube-cbrt *-un-lft-identity
24×times-frac
21×prod-exp
18×pow-exp
16×unpow-prod-down
pow-to-exp
associate-/r* add-cbrt-cube
sqr-pow
pow1 associate-*l* unpow2
add-log-exp
pow-unpow div-exp associate-*r* associate-/l*
unswap-sqr
cbrt-undiv pow-pow frac-2neg clear-num *-commutative cbrt-unprod div-inv
Counts
4 → 105
Calls
4 calls:
2.0ms
(cos (* 2.0 x))
1.0ms
(pow (fabs (* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)) 2)
5.0ms
(/ (cos (* 2.0 x)) (pow (fabs (* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)) 2))
7.0ms
(* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)

series481.0ms

Counts
4 → 12
Calls
4 calls:
12.0ms
(cos (* 2.0 x))
28.0ms
(pow (fabs (* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)) 2)
133.0ms
(/ (cos (* 2.0 x)) (pow (fabs (* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)) 2))
307.0ms
(* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)

simplify46.0ms

Algorithm
egg-herbie
Counts
117 → 117
Iterations

Useful iterations: 2 (33.0ms)

IterNodesCost
03461354
112201233
250011224

prune349.0ms

Pruning

18 alts after pruning (18 fresh and 0 done)

Merged error: 0.3b

regimes474.0ms

Accuracy

15.4% (2.3b remaining)

Error of 2.4b against oracle of 0.1b and baseline of 2.8b

bsearch190.0ms

Steps
ItersRangePoint
7
3.1620054335418157e+214
2.560721054404622e+216
6.4244675320823765e+214
6
8.576105435740817e-275
4.468136966709171e-274
4.2470825762940607e-274

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05145
15145

end0.0ms

sample2.6s

Algorithm
intervals
Results
1.1s9039×body80valid
474.0ms828×body1280valid
413.0ms965×body640valid
179.0ms563×body320valid
69.0ms314×body160valid