Details

Time bar (total: 8.5s)

sample57.0ms

Algorithm
intervals
Results
17.0ms291×body80valid
11.0ms36×body640valid
7.0ms22×body1280valid
3.0ms21×body320valid
1.0msbody160valid

simplify42.0ms

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: 29.8b

localize13.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
4.2b
(* (* x (pow sin 2.0)) x)
6.5b
(* x (pow sin 2.0))
22.2b
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

rewrite154.0ms

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 expm1-log1p-u log1p-expm1-u 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 → 123
Calls
4 calls:
58.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
21.0ms
(* (* x (pow sin 2.0)) x)
11.0ms
(* x (pow sin 2.0))
58.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

series786.0ms

Counts
4 → 12
Calls
4 calls:
290.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
130.0ms
(* (* x (pow sin 2.0)) x)
125.0ms
(* x (pow sin 2.0))
240.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

simplify58.0ms

Algorithm
egg-herbie
Counts
135 → 135
Iterations

Useful iterations: 1 (11.0ms)

IterNodesCost
0448971
12063815
25002815

prune291.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 16.8b

localize15.0ms

Local error

Found 4 expressions with local error:

4.2b
(* (* x (pow sin 2.0)) x)
6.2b
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x)))
6.5b
(* x (pow sin 2.0))
8.6b
(* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x))

rewrite250.0ms

Algorithm
rewrite-expression-head
Rules
226×add-exp-log
202×prod-exp
50×pow-to-exp pow-exp
34×add-cbrt-cube
20×cbrt-unprod
18×associate-*l*
17×add-sqr-sqrt
12×add-cube-cbrt *-un-lft-identity associate-*r*
10×unpow-prod-down
pow1
expm1-log1p-u *-commutative log1p-expm1-u add-log-exp sqr-pow
unswap-sqr
pow-prod-down
Counts
4 → 154
Calls
4 calls:
20.0ms
(* (* x (pow sin 2.0)) x)
154.0ms
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x)))
11.0ms
(* x (pow sin 2.0))
57.0ms
(* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x))

series762.0ms

Counts
4 → 12
Calls
4 calls:
146.0ms
(* (* x (pow sin 2.0)) x)
249.0ms
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x)))
125.0ms
(* x (pow sin 2.0))
242.0ms
(* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x))

simplify64.0ms

Algorithm
egg-herbie
Counts
166 → 166
Iterations

Useful iterations: 1 (11.0ms)

IterNodesCost
04501288
11879989
25001989

prune306.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 11.7b

localize19.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (cos (* 2.0 x)) (* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))))
4.2b
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
6.2b
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
8.6b
(* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

rewrite1.3s

Algorithm
rewrite-expression-head
Rules
1410×add-exp-log
1300×prod-exp
338×pow-to-exp pow-exp
130×div-exp
74×add-cbrt-cube
46×cbrt-unprod
15×associate-*l*
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 cbrt-undiv unpow-prod-down
associate-*r*
expm1-log1p-u log1p-expm1-u add-log-exp
times-frac *-commutative associate-/l*
sqr-pow
frac-2neg pow-prod-down clear-num associate-/r* div-inv
Counts
4 → 402
Calls
4 calls:
467.0ms
(/ (cos (* 2.0 x)) (* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))))
71.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
503.0ms
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
185.0ms
(* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

series944.0ms

Counts
4 → 12
Calls
4 calls:
288.0ms
(/ (cos (* 2.0 x)) (* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))))
146.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
254.0ms
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
256.0ms
(* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

simplify124.0ms

Algorithm
egg-herbie
Counts
414 → 414
Iterations

Useful iterations: 2 (73.0ms)

IterNodesCost
08316060
131614041
250023451

prune301.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 3.5b

localize19.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (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)))))))
0.2b
(* (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))) (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))))
7.7b
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
7.7b
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

rewrite78.0ms

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*
expm1-log1p-u log1p-expm1-u 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 → 114
Calls
4 calls:
15.0ms
(/ (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)))))))
6.0ms
(* (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))) (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))))
27.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
26.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

series544.0ms

Counts
4 → 12
Calls
4 calls:
101.0ms
(/ (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)))))))
38.0ms
(* (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))) (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))))
200.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
205.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

simplify48.0ms

Algorithm
egg-herbie
Counts
126 → 126
Iterations

Useful iterations: 2 (34.0ms)

IterNodesCost
03251562
112441292
250011217

prune343.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.0b

regimes267.0ms

Accuracy

19.1% (2.2b remaining)

Error of 2.4b against oracle of 0.1b and baseline of 2.9b

bsearch201.0ms

Steps
ItersRangePoint
8
1.5732228810007756e+219
8.884626979327498e+221
1.0782840583650844e+220
10
7.30404624184028e-264
2.2412670894539055e-251
6.232019318103981e-261

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03828
13828

end0.0ms

sample1.5s

Algorithm
intervals
Results
528.0ms9048×body80valid
272.0ms820×body1280valid
226.0ms1001×body640valid
102.0ms564×body320valid
38.0ms333×body160valid