Details

Time bar (total: 24.2s)

sample116.0ms

Algorithm
intervals
Results
32.0ms41×body1280valid
29.0ms17×body2560valid
17.0ms32×body640valid
15.0ms135×body80valid
6.0ms18×body320valid
4.0ms13×body160valid

simplify7.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0813
11113
21313
done1313

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.9b

localize20.0ms

Local error

Found 3 expressions with local error:

5.7b
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
27.2b
(sin (/ x (* y 2.0)))
27.8b
(tan (/ x (* y 2.0)))

rewrite45.0ms

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:
35.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
5.0ms
(sin (/ x (* y 2.0)))
4.0ms
(tan (/ x (* y 2.0)))

series116.0ms

Counts
3 → 9
Calls
3 calls:
60.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
10.0ms
(sin (/ x (* y 2.0)))
45.0ms
(tan (/ x (* y 2.0)))

simplify2.2s

Counts
52 → 52
Iterations

Useful iterations: 3 (208.0ms)

IterNodesCost
077822
1139813
2323737
3803733
42504733
done5000733

prune245.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 24.9b

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

prune61.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 24.9b

localize22.0ms

Local error

Found 4 expressions with local error:

5.7b
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
27.2b
(sin (/ x (* y 2.0)))
27.2b
(sin (/ x (* y 2.0)))
27.5b
(cos (/ x (* y 2.0)))

rewrite72.0ms

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:
47.0ms
(/ (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)))
8.0ms
(cos (/ x (* y 2.0)))

series80.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
14.0ms
(sin (/ x (* y 2.0)))
15.0ms
(sin (/ x (* y 2.0)))
19.0ms
(cos (/ x (* y 2.0)))

simplify7.9s

Counts
55 → 55
Iterations

Useful iterations: 3 (470.0ms)

IterNodesCost
071905
1145719
2409546
31223542
44877542
done5000542

prune192.0ms

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 24.9b

localize18.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (cbrt (/ 1 (cos (/ x (* y 2.0))))) (cbrt (/ 1 (cos (/ x (* y 2.0))))))
27.5b
(cos (/ x (* y 2.0)))
27.5b
(cos (/ x (* y 2.0)))
27.5b
(cos (/ x (* y 2.0)))

rewrite48.0ms

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:
28.0ms
(* (cbrt (/ 1 (cos (/ x (* y 2.0))))) (cbrt (/ 1 (cos (/ x (* y 2.0))))))
5.0ms
(cos (/ x (* y 2.0)))
5.0ms
(cos (/ x (* y 2.0)))
5.0ms
(cos (/ x (* y 2.0)))

series180.0ms

Counts
4 → 12
Calls
4 calls:
135.0ms
(* (cbrt (/ 1 (cos (/ x (* y 2.0))))) (cbrt (/ 1 (cos (/ x (* y 2.0))))))
13.0ms
(cos (/ x (* y 2.0)))
13.0ms
(cos (/ x (* y 2.0)))
19.0ms
(cos (/ x (* y 2.0)))

simplify4.9s

Counts
120 → 120
Iterations

Useful iterations: 5 (2.8s)

IterNodesCost
01382734
12112485
23952371
37112175
413562153
548932135
done50002135

prune456.0ms

Pruning

22 alts after pruning (21 fresh and 1 done)

Merged error: 24.6b

regimes698.0ms

Accuracy

32.4% (1.8b remaining)

Error of 28.0b against oracle of 26.2b and baseline of 28.8b

bsearch5.0ms

Steps
ItersRangePoint
2
1.937947126429837
2.1262852432004284
2.094986369407834

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01561
11761
done1761

end0.0ms

sample6.8s

Algorithm
intervals
Results
1.8s1416×body1280valid
1.5s602×body2560valid
1.4s1024×body640valid
1.2s4045×body80valid
405.0ms600×body320valid
156.0ms313×body160valid