Details

Time bar (total: 12.3s)

sample169.0ms

Algorithm
intervals
Results
67.0ms51×body1280valid
37.0ms20×body2560valid
19.0ms29×body640valid
17.0ms126×body80valid
9.0ms17×body320valid
4.0ms13×body160valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0813
11113
21313
done1313

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.9b

localize19.0ms

Local error

Found 3 expressions with local error:

8.9b
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
29.3b
(sin (/ x (* y 2.0)))
29.5b
(tan (/ x (* y 2.0)))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log add-cbrt-cube
pow1 associate-/r* associate-/l* add-log-exp
tan-quot
cbrt-undiv frac-2neg div-exp clear-num div-inv associate-/l/
Counts
3 → 43
Calls
3 calls:
18.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
8.0ms
(sin (/ x (* y 2.0)))
6.0ms
(tan (/ x (* y 2.0)))

series138.0ms

Counts
3 → 9
Calls
3 calls:
52.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
11.0ms
(sin (/ x (* y 2.0)))
75.0ms
(tan (/ x (* y 2.0)))

simplify1.2s

Counts
52 → 52
Iterations

Useful iterations: 3 (403.0ms)

IterNodesCost
077822
1144813
2491739
33059737
done5000737

prune267.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 26.8b

localize1.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
000
done00

prune51.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 26.8b

localize14.0ms

Local error

Found 4 expressions with local error:

8.9b
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
29.3b
(sin (/ x (* y 2.0)))
29.3b
(sin (/ x (* y 2.0)))
29.3b
(cos (/ x (* y 2.0)))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
add-exp-log add-cbrt-cube
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-log-exp
times-frac associate-/l*
cbrt-undiv div-exp
frac-2neg prod-exp clear-num associate-/r* associate-/r/ sin-cos-mult cbrt-unprod div-inv
Counts
4 → 43
Calls
4 calls:
41.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
8.0ms
(sin (/ x (* y 2.0)))
5.0ms
(sin (/ x (* y 2.0)))
5.0ms
(cos (/ x (* y 2.0)))

series84.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
18.0ms
(sin (/ x (* y 2.0)))
16.0ms
(sin (/ x (* y 2.0)))
22.0ms
(cos (/ x (* y 2.0)))

simplify2.2s

Counts
55 → 55
Iterations

Useful iterations: 3 (537.0ms)

IterNodesCost
071905
1145719
2483546
33616542
done5001542

prune252.0ms

Pruning

20 alts after pruning (19 fresh and 1 done)

Merged error: 26.8b

localize33.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (cbrt (/ 1 (cos (/ x (* y 2.0))))) (cbrt (/ 1 (cos (/ x (* y 2.0))))))
29.3b
(cos (/ x (* y 2.0)))
29.3b
(cos (/ x (* y 2.0)))
29.3b
(cos (/ x (* y 2.0)))

rewrite98.0ms

Algorithm
rewrite-expression-head
Rules
80×cbrt-prod
76×add-sqr-sqrt
52×times-frac
46×*-un-lft-identity
36×add-cube-cbrt
18×swap-sqr
16×associate-*r* associate-*l* unswap-sqr
11×pow1
add-exp-log pow1/3 div-inv
cbrt-div add-cbrt-cube add-log-exp
pow-prod-down pow-sqr pow-prod-up
pow2 frac-times pow-plus associate-*r/ associate-*l/ prod-exp *-commutative cbrt-unprod
Counts
4 → 108
Calls
4 calls:
62.0ms
(* (cbrt (/ 1 (cos (/ x (* y 2.0))))) (cbrt (/ 1 (cos (/ x (* y 2.0))))))
10.0ms
(cos (/ x (* y 2.0)))
10.0ms
(cos (/ x (* y 2.0)))
11.0ms
(cos (/ x (* y 2.0)))

series203.0ms

Counts
4 → 12
Calls
4 calls:
152.0ms
(* (cbrt (/ 1 (cos (/ x (* y 2.0))))) (cbrt (/ 1 (cos (/ x (* y 2.0))))))
21.0ms
(cos (/ x (* y 2.0)))
15.0ms
(cos (/ x (* y 2.0)))
15.0ms
(cos (/ x (* y 2.0)))

simplify916.0ms

Counts
120 → 120
Iterations

Useful iterations: done (910.0ms)

IterNodesCost
01382734
12392485
28582371
done50012229

prune462.0ms

Pruning

23 alts after pruning (22 fresh and 1 done)

Merged error: 26.5b

regimes448.0ms

Accuracy

0% (2.6b remaining)

Error of 28.3b against oracle of 25.7b and baseline of 28.3b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
011
done11

end0.0ms

sample5.7s

Algorithm
intervals
Results
2.3s1392×body1280valid
1.2s613×body2560valid
718.0ms1019×body640valid
644.0ms4134×body80valid
362.0ms545×body320valid
107.0ms297×body160valid