Details

Time bar (total: 7.0s)

sample62.0ms

Algorithm
intervals
Results
21.0ms295×body80valid
13.0ms32×body1280valid
8.0ms30×body640valid
3.0ms16×body320valid
1.0msbody160valid

simplify42.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0278
1688
22438
312668
450018

prune3.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 25.8b

Counts
2 → 1

localize18.0ms

Local error

Found 4 expressions with local error:

0.4b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
4.2b
(* (* x (pow sin 2.0)) x)
7.5b
(* x (pow sin 2.0))
16.5b
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

rewrite39.0ms

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:
12.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
6.0ms
(* (* x (pow sin 2.0)) x)
6.0ms
(* x (pow sin 2.0))
11.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

series883.0ms

Counts
4 → 12
Calls
4 calls:
312.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
157.0ms
(* (* x (pow sin 2.0)) x)
140.0ms
(* x (pow sin 2.0))
274.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

simplify66.0ms

Algorithm
egg-herbie
Counts
127 → 127
Iterations

Useful iterations: 1 (12.0ms)

IterNodesCost
0435927
12042771
25002771

prune256.0ms

Filtered
127 candidates to 65 candidates (51.2%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New1198127
Fresh000
Picked101
Done000
Total1208128

Merged error: 12.3b

Counts
128 → 8

localize16.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
0.4b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* 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)
16.5b
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

rewrite63.0ms

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
add-log-exp
times-frac *-commutative associate-/l*
sqr-pow
frac-2neg pow-prod-down clear-num associate-/r* div-inv
Counts
4 → 186
Calls
4 calls:
8.0ms
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
16.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
10.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
14.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

series908.0ms

Counts
4 → 12
Calls
4 calls:
145.0ms
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
315.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
168.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
280.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

simplify90.0ms

Algorithm
egg-herbie
Counts
198 → 198
Iterations

Useful iterations: 2 (70.0ms)

IterNodesCost
05862140
127921433
250021421

prune231.0ms

Filtered
198 candidates to 62 candidates (31.3%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New1935198
Fresh437
Picked101
Done000
Total1988206

Merged error: 2.3b

Counts
206 → 8

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))))))
0.4b
(/ (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)))))))
4.9b
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
4.9b
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

rewrite28.0ms

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:
4.0ms
(* (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)))))))
8.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
8.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

series617.0ms

Counts
4 → 12
Calls
4 calls:
41.0ms
(* (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))) (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))))
129.0ms
(/ (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)))))))
231.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
216.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

simplify58.0ms

Algorithm
egg-herbie
Counts
118 → 118
Iterations

Useful iterations: 2 (39.0ms)

IterNodesCost
03161464
112291194
250021122

prune324.0ms

Filtered
118 candidates to 67 candidates (56.8%)
Pruning

12 alts after pruning (12 fresh and 0 done)

PrunedKeptTotal
New1108118
Fresh347
Picked101
Done000
Total11412126

Merged error: 0.1b

Counts
126 → 12

localize16.0ms

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))))))
0.6b
(/ (cos (* 2.0 x)) (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))))
4.9b
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
4.9b
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
84×times-frac
63×add-exp-log
58×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
42×prod-exp
21×add-cbrt-cube
16×associate-/l*
14×pow-to-exp associate-*l* pow-exp
unpow-prod-down associate-/r* cbrt-unprod div-inv
pow1 cbrt-undiv div-exp add-log-exp
frac-2neg associate-*r* clear-num *-commutative sqr-pow
associate-/l/
Counts
4 → 157
Calls
4 calls:
7.0ms
(/ (/ (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))))))
4.0ms
(/ (cos (* 2.0 x)) (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))))
8.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
11.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

series649.0ms

Counts
4 → 12
Calls
4 calls:
114.0ms
(/ (/ (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))))))
78.0ms
(/ (cos (* 2.0 x)) (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))))
228.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
229.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

simplify75.0ms

Algorithm
egg-herbie
Counts
169 → 169
Iterations

Useful iterations: 2 (42.0ms)

IterNodesCost
05103289
118302994
250012909

prune433.0ms

Filtered
169 candidates to 109 candidates (64.5%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New1636169
Fresh6511
Picked101
Done000
Total17011181

Merged error: 0.1b

Counts
181 → 11

regimes299.0ms

Accuracy

0% (2.8b remaining)

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

bsearch0.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02423
12423

end0.0ms

sample1.8s

Algorithm
intervals
Results
690.0ms9148×body80valid
353.0ms825×body1280valid
284.0ms960×body640valid
116.0ms551×body320valid
47.0ms322×body160valid