Details

Time bar (total: 7.5s)

sample53.0ms

Algorithm
intervals
Results
16.0ms269×body80valid
8.0ms24×body1280valid
8.0ms33×body640valid
4.0ms21×body320valid
1.0ms11×body160valid

simplify40.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0278
1688
22438
312668
450018
done50018

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.3b

localize13.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
3.6b
(* (* x (pow sin 2.0)) x)
10.1b
(* x (pow sin 2.0))
18.6b
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

rewrite166.0ms

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:
61.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
23.0ms
(* (* x (pow sin 2.0)) x)
12.0ms
(* x (pow sin 2.0))
63.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

series893.0ms

Counts
4 → 12
Calls
4 calls:
320.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
152.0ms
(* (* x (pow sin 2.0)) x)
140.0ms
(* x (pow sin 2.0))
281.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

simplify57.0ms

Counts
135 → 135
Iterations

Useful iterations: 1 (11.0ms)

IterNodesCost
0448971
12063815
25002815
done5002815

prune297.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 14.3b

localize16.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
0.3b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
3.6b
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
18.6b
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

rewrite514.0ms

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 add-cube-cbrt *-un-lft-identity associate-*r*
associate-*l*
pow1 unpow-prod-down
cbrt-undiv
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 → 194
Calls
4 calls:
28.0ms
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
193.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
76.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
201.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

series927.0ms

Counts
4 → 12
Calls
4 calls:
150.0ms
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
330.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
160.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
288.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

simplify90.0ms

Counts
206 → 206
Iterations

Useful iterations: 2 (71.0ms)

IterNodesCost
06032216
128211509
250021497
done50021497

prune315.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.2b

localize16.0ms

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))))))
0.3b
(/ (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)))))))
4.8b
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
4.8b
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

rewrite86.0ms

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:
7.0ms
(* (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))) (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))))
16.0ms
(/ (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)))))))
27.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
30.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

series620.0ms

Counts
4 → 12
Calls
4 calls:
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))))))
122.0ms
(/ (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)))))))
230.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
229.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

simplify48.0ms

Counts
126 → 126
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
03251562
112441292
250011217
done50011217

prune397.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.1b

localize17.0ms

Local error

Found 3 expressions with local error:

0.3b
(pow (fabs (* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)) 2)
0.3b
(/ (cos (* 2.0 x)) (pow (fabs (* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)) 2))
4.5b
(* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
35×add-exp-log
27×add-sqr-sqrt
24×add-cube-cbrt *-un-lft-identity times-frac
21×prod-exp
18×pow-exp
16×unpow-prod-down
pow-to-exp
associate-/r*
add-cbrt-cube sqr-pow
associate-*l* unpow2
pow1
expm1-log1p-u pow-unpow div-exp associate-*r* log1p-expm1-u associate-/l* add-log-exp
unswap-sqr
cbrt-undiv pow-pow frac-2neg clear-num *-commutative cbrt-unprod div-inv
Counts
3 → 104
Calls
3 calls:
3.0ms
(pow (fabs (* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)) 2)
19.0ms
(/ (cos (* 2.0 x)) (pow (fabs (* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)) 2))
20.0ms
(* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)

series501.0ms

Counts
3 → 9
Calls
3 calls:
34.0ms
(pow (fabs (* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)) 2)
118.0ms
(/ (cos (* 2.0 x)) (pow (fabs (* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)) 2))
349.0ms
(* (pow (* (pow cos 1.0) (pow sin 1.0)) 1.0) x)

simplify46.0ms

Counts
113 → 113
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
03421364
111571248
250021239
done50021239

prune340.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.0b

regimes280.0ms

Accuracy

18.1% (2.0b remaining)

Error of 2.2b against oracle of 0.1b and baseline of 2.6b

bsearch157.0ms

Steps
ItersRangePoint
10
2.035644573190885e-159
1.2099787919689018e-141
3.0992080613360915e-150
8
-8.676455186232331e-186
-3.033725472305409e-188
-3.8997952595148316e-188

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04648
14648
done4648

end0.0ms

sample1.6s

Algorithm
intervals
Results
537.0ms8962×body80valid
288.0ms829×body1280valid
228.0ms957×body640valid
115.0ms593×body320valid
41.0ms317×body160valid