Details

Time bar (total: 7.4s)

sample58.0ms

Algorithm
intervals
Results
22.0ms291×body80valid
9.0ms23×body1280valid
8.0ms30×body640valid
3.0ms12×body320valid
2.0ms13×body160valid

simplify39.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

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: 26.9b

Counts
2 → 1

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)
6.9b
(* x (pow sin 2.0))
18.2b
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

rewrite33.0ms

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:
10.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
5.0ms
(* (* x (pow sin 2.0)) x)
5.0ms
(* x (pow sin 2.0))
9.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

series914.0ms

Counts
4 → 12
Calls
4 calls:
295.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
149.0ms
(* (* x (pow sin 2.0)) x)
204.0ms
(* x (pow sin 2.0))
265.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

simplify55.0ms

Algorithm
egg-herbie
Counts
127 → 127
Iterations

Useful iterations: 1 (10.0ms)

IterNodesCost
0435927
12042771
25002771

prune260.0ms

Filtered
127 candidates to 65 candidates (51.2%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New1189127
Fresh000
Picked101
Done000
Total1199128

Merged error: 13.9b

Counts
128 → 9

localize15.0ms

Local error

Found 4 expressions with local error:

3.6b
(* (* x (pow sin 2.0)) x)
4.7b
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x)))
6.9b
(* x (pow sin 2.0))
7.5b
(* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x))

rewrite38.0ms

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
*-commutative add-log-exp sqr-pow
unswap-sqr
pow-prod-down
Counts
4 → 146
Calls
4 calls:
5.0ms
(* (* x (pow sin 2.0)) x)
12.0ms
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x)))
5.0ms
(* x (pow sin 2.0))
9.0ms
(* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x))

series818.0ms

Counts
4 → 12
Calls
4 calls:
149.0ms
(* (* x (pow sin 2.0)) x)
269.0ms
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x)))
139.0ms
(* x (pow sin 2.0))
260.0ms
(* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x))

simplify65.0ms

Algorithm
egg-herbie
Counts
158 → 158
Iterations

Useful iterations: 1 (10.0ms)

IterNodesCost
04291240
11850941
25001941

prune288.0ms

Filtered
158 candidates to 63 candidates (39.9%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New1526158
Fresh358
Picked101
Done000
Total15611167

Merged error: 9.9b

Counts
167 → 11

localize17.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (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))))
3.6b
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
4.7b
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
7.5b
(* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

rewrite104.0ms

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*
add-log-exp
times-frac *-commutative associate-/l*
sqr-pow
frac-2neg pow-prod-down clear-num associate-/r* div-inv
Counts
4 → 394
Calls
4 calls:
23.0ms
(/ (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))))
9.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
17.0ms
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
13.0ms
(* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

series1.0s

Counts
4 → 12
Calls
4 calls:
312.0ms
(/ (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))))
160.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
279.0ms
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
282.0ms
(* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

simplify132.0ms

Algorithm
egg-herbie
Counts
406 → 406
Iterations

Useful iterations: 2 (79.0ms)

IterNodesCost
07975960
131123941
250013351

prune306.0ms

Filtered
406 candidates to 63 candidates (15.5%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New3997406
Fresh6410
Picked101
Done000
Total40611417

Merged error: 2.4b

Counts
417 → 11

localize16.0ms

Local error

Found 4 expressions with local error:

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))))))
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)))))))
5.5b
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
5.5b
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

rewrite26.0ms

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)))))))
7.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
7.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

series593.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(* (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))) (fabs (* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))))
108.0ms
(/ (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)))))))
226.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))
224.0ms
(* (pow cos (/ 2.0 2)) (* x (pow sin (/ 2.0 2))))

simplify49.0ms

Algorithm
egg-herbie
Counts
118 → 118
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
03161464
112291194
250021122

prune316.0ms

Filtered
118 candidates to 67 candidates (56.8%)
Pruning

14 alts after pruning (14 fresh and 0 done)

PrunedKeptTotal
New1108118
Fresh4610
Picked101
Done000
Total11514129

Merged error: 0.0b

Counts
129 → 14

regimes376.0ms

Accuracy

-2% (2.4b remaining)

Error of 2.6b against oracle of 0.1b and baseline of 2.5b

bsearch115.0ms

Steps
ItersRangePoint
11
3.043339352598528e-296
3.962509604168077e-273
7.288490228303255e-274

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03228
13228

end0.0ms

sample1.8s

Algorithm
intervals
Results
643.0ms9166×body80valid
364.0ms865×body1280valid
272.0ms982×body640valid
136.0ms590×body320valid
44.0ms308×body160valid