Details

Time bar (total: 6.9s)

sample92.0ms

Algorithm
intervals
Results
29.0ms24×body2560valid
27.0ms47×body1280valid
9.0ms28×body640valid
8.0ms119×body80valid
6.0ms25×body320valid
2.0ms13×body160valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0813
11113
21313
done1313

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.4b

localize10.0ms

Local error

Found 3 expressions with local error:

8.4b
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
30.8b
(sin (/ x (* y 2.0)))
31.3b
(tan (/ x (* y 2.0)))

rewrite8.0ms

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:
4.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
2.0ms
(sin (/ x (* y 2.0)))
1.0ms
(tan (/ x (* y 2.0)))

series87.0ms

Counts
3 → 9
Calls
3 calls:
36.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
8.0ms
(sin (/ x (* y 2.0)))
42.0ms
(tan (/ x (* y 2.0)))

simplify954.0ms

Counts
52 → 52
Iterations

Useful iterations: 3 (167.0ms)

IterNodesCost
077822
1142813
2427737
31863733
done5000733

prune182.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 28.4b

localize0.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify1.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
000
done00

prune30.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 28.4b

localize14.0ms

Local error

Found 4 expressions with local error:

0.4b
(pow (/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0)))) 3)
8.4b
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
30.8b
(sin (/ x (* y 2.0)))
31.3b
(tan (/ x (* y 2.0)))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac
13×unpow-prod-down cube-prod
add-exp-log add-cbrt-cube
pow1
add-log-exp
pow-unpow associate-/r* div-inv associate-/l*
tan-quot cbrt-undiv div-exp pow-exp rem-cube-cbrt
cube-div cube-mult pow-to-exp pow-pow frac-2neg unpow3 clear-num associate-/l/ sqr-pow
Counts
4 → 89
Calls
4 calls:
6.0ms
(pow (/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0)))) 3)
4.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
2.0ms
(sin (/ x (* y 2.0)))
1.0ms
(tan (/ x (* y 2.0)))

series146.0ms

Counts
4 → 12
Calls
4 calls:
61.0ms
(pow (/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0)))) 3)
36.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
8.0ms
(sin (/ x (* y 2.0)))
40.0ms
(tan (/ x (* y 2.0)))

simplify613.0ms

Counts
101 → 101
Iterations

Useful iterations: 2 (126.0ms)

IterNodesCost
01222065
13531912
214831762
done50001762

prune315.0ms

Pruning

17 alts after pruning (16 fresh and 1 done)

Merged error: 28.4b

localize14.0ms

Local error

Found 4 expressions with local error:

8.4b
(/ (/ (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))) (sin (/ x (* y 2.0))))
30.8b
(sin (/ x (* y 2.0)))
30.8b
(sin (/ x (* y 2.0)))
31.0b
(cos (/ x (* y 2.0)))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
75×times-frac
46×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
13×associate-/l*
add-exp-log add-cbrt-cube
div-inv
pow1 add-log-exp
cbrt-undiv div-exp associate-/r*
frac-2neg clear-num associate-/l/
Counts
4 → 91
Calls
4 calls:
13.0ms
(/ (/ (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))) (sin (/ x (* y 2.0))))
2.0ms
(sin (/ x (* y 2.0)))
2.0ms
(sin (/ x (* y 2.0)))
2.0ms
(cos (/ x (* y 2.0)))

series53.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(/ (/ (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))) (sin (/ x (* y 2.0))))
8.0ms
(sin (/ x (* y 2.0)))
9.0ms
(sin (/ x (* y 2.0)))
11.0ms
(cos (/ x (* y 2.0)))

simplify638.0ms

Counts
103 → 103
Iterations

Useful iterations: 2 (118.0ms)

IterNodesCost
01612815
13572764
214982348
done50002348

prune368.0ms

Pruning

24 alts after pruning (23 fresh and 1 done)

Merged error: 28.4b

regimes558.0ms

Accuracy

35.7% (1.5b remaining)

Error of 27.9b against oracle of 26.3b and baseline of 28.7b

bsearch3.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02042
12142
done2142

end0.0ms

sample2.7s

Algorithm
intervals
Results
868.0ms677×body2560valid
817.0ms1394×body1280valid
359.0ms980×body640valid
317.0ms4077×body80valid
138.0ms569×body320valid
55.0ms303×body160valid