Details

Time bar (total: 7.4s)

sample94.0ms

Algorithm
intervals
Results
33.0ms23×body2560valid
25.0ms43×body1280valid
10.0ms134×body80valid
8.0ms23×body640valid
6.0ms23×body320valid
2.0ms10×body160valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0813
11113
21313
done1313

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.3b

localize10.0ms

Local error

Found 3 expressions with local error:

8.7b
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
27.3b
(sin (/ x (* y 2.0)))
27.9b
(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)))

series88.0ms

Counts
3 → 9
Calls
3 calls:
41.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
9.0ms
(sin (/ x (* y 2.0)))
38.0ms
(tan (/ x (* y 2.0)))

simplify899.0ms

Counts
52 → 52
Iterations

Useful iterations: 3 (170.0ms)

IterNodesCost
077822
1139813
2372737
31697733
done5001733

prune181.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 25.1b

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

prune32.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 25.1b

localize11.0ms

Local error

Found 4 expressions with local error:

8.6b
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
27.3b
(sin (/ x (* y 2.0)))
27.3b
(sin (/ x (* y 2.0)))
27.6b
(cos (/ x (* y 2.0)))

rewrite16.0ms

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:
9.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ 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)))

series48.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
8.0ms
(sin (/ x (* y 2.0)))
8.0ms
(sin (/ x (* y 2.0)))
12.0ms
(cos (/ x (* y 2.0)))

simplify1.1s

Counts
55 → 55
Iterations

Useful iterations: 3 (351.0ms)

IterNodesCost
071905
1147719
2450548
31962544
done5000544

prune179.0ms

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 25.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (cbrt (/ 1 (cos (/ x (* y 2.0))))) (cbrt (/ 1 (cos (/ x (* y 2.0))))))
27.6b
(cos (/ x (* y 2.0)))
27.6b
(cos (/ x (* y 2.0)))
27.6b
(cos (/ x (* y 2.0)))

rewrite31.0ms

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:
21.0ms
(* (cbrt (/ 1 (cos (/ x (* y 2.0))))) (cbrt (/ 1 (cos (/ x (* y 2.0))))))
2.0ms
(cos (/ x (* y 2.0)))
2.0ms
(cos (/ x (* y 2.0)))
2.0ms
(cos (/ x (* y 2.0)))

series146.0ms

Counts
4 → 12
Calls
4 calls:
113.0ms
(* (cbrt (/ 1 (cos (/ x (* y 2.0))))) (cbrt (/ 1 (cos (/ x (* y 2.0))))))
11.0ms
(cos (/ x (* y 2.0)))
11.0ms
(cos (/ x (* y 2.0)))
11.0ms
(cos (/ x (* y 2.0)))

simplify1.2s

Counts
120 → 120
Iterations

Useful iterations: 3 (337.0ms)

IterNodesCost
01382734
12122485
24872371
320492175
done50002175

prune310.0ms

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 24.8b

regimes250.0ms

Accuracy

0% (2.7b remaining)

Error of 28.8b against oracle of 26.1b and baseline of 28.8b

bsearch0.0ms

simplify0.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
011
done11

end0.0ms

sample2.8s

Algorithm
intervals
Results
916.0ms690×body2560valid
833.0ms1381×body1280valid
371.0ms984×body640valid
305.0ms4076×body80valid
143.0ms569×body320valid
58.0ms300×body160valid