Details

Time bar (total: 24.4s)

sample147.0ms

Algorithm
intervals
Results
43.0ms41×body1280valid
34.0ms17×body2560valid
20.0ms32×body640valid
19.0ms135×body80valid
9.0ms18×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: 32.9b

localize42.0ms

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)))

rewrite22.0ms

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:
12.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
5.0ms
(sin (/ x (* y 2.0)))
3.0ms
(tan (/ x (* y 2.0)))

series130.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
20.0ms
(sin (/ x (* y 2.0)))
65.0ms
(tan (/ x (* y 2.0)))

simplify1.7s

Counts
52 → 52
Iterations

Useful iterations: 3 (171.0ms)

IterNodesCost
077822
1139813
2323737
3803733
42504733
done5000733

prune206.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 24.9b

localize0.0ms

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

prune30.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 24.9b

localize13.0ms

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)))

rewrite51.0ms

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:
30.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
10.0ms
(sin (/ x (* y 2.0)))
5.0ms
(sin (/ x (* y 2.0)))
5.0ms
(cos (/ x (* y 2.0)))

series61.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
10.0ms
(sin (/ x (* y 2.0)))
10.0ms
(sin (/ x (* y 2.0)))
14.0ms
(cos (/ x (* y 2.0)))

simplify8.3s

Counts
55 → 55
Iterations

Useful iterations: 3 (472.0ms)

IterNodesCost
071905
1145719
2409546
31223542
44877542
done5000542

prune554.0ms

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 24.9b

localize22.0ms

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)))

rewrite63.0ms

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:
33.0ms
(* (cbrt (/ 1 (cos (/ x (* y 2.0))))) (cbrt (/ 1 (cos (/ x (* y 2.0))))))
5.0ms
(cos (/ x (* y 2.0)))
8.0ms
(cos (/ x (* y 2.0)))
9.0ms
(cos (/ x (* y 2.0)))

series203.0ms

Counts
4 → 12
Calls
4 calls:
147.0ms
(* (cbrt (/ 1 (cos (/ x (* y 2.0))))) (cbrt (/ 1 (cos (/ x (* y 2.0))))))
22.0ms
(cos (/ x (* y 2.0)))
18.0ms
(cos (/ x (* y 2.0)))
16.0ms
(cos (/ x (* y 2.0)))

simplify5.5s

Counts
120 → 120
Iterations

Useful iterations: 5 (2.9s)

IterNodesCost
01382734
12112485
23952371
37112175
413562153
548932135
done50002135

prune420.0ms

Pruning

22 alts after pruning (21 fresh and 1 done)

Merged error: 24.6b

regimes569.0ms

Accuracy

32.4% (1.8b remaining)

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

bsearch7.0ms

Steps
ItersRangePoint
2
1.937947126429837
2.1262852432004284
2.094986369407834

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01561
11761
done1761

end0.0ms

sample6.4s

Algorithm
intervals
Results
1.7s1416×body1280valid
1.6s4045×body80valid
1.5s602×body2560valid
694.0ms1024×body640valid
376.0ms600×body320valid
156.0ms313×body160valid