Details

Time bar (total: 20.4s)

sample93.0ms

Algorithm
intervals
Results
24.0ms36×body1280valid
19.0ms14×body2560valid
14.0ms142×body80valid
13.0ms30×body640valid
7.0ms23×body320valid
2.0ms11×body160valid

simplify6.0ms

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: 34.1b

localize35.0ms

Local error

Found 3 expressions with local error:

8.9b
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
25.6b
(tan (/ x (* y 2.0)))
26.1b
(sin (/ x (* y 2.0)))

rewrite25.0ms

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))))
3.0ms
(tan (/ x (* y 2.0)))
7.0ms
(sin (/ x (* y 2.0)))

series107.0ms

Counts
3 → 9
Calls
3 calls:
54.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
42.0ms
(tan (/ x (* y 2.0)))
11.0ms
(sin (/ x (* y 2.0)))

simplify2.0s

Counts
52 → 52
Iterations

Useful iterations: 3 (192.0ms)

IterNodesCost
077822
1139813
2323737
3799733
42495733
done5000733

prune211.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 23.3b

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

prune38.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 23.3b

localize16.0ms

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)))))
26.0b
(cos (/ x (* y 2.0)))
26.1b
(sin (/ x (* y 2.0)))
26.1b
(sin (/ x (* y 2.0)))

rewrite54.0ms

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:
36.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
5.0ms
(cos (/ x (* y 2.0)))
5.0ms
(sin (/ x (* y 2.0)))
6.0ms
(sin (/ x (* y 2.0)))

series60.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
13.0ms
(cos (/ x (* y 2.0)))
11.0ms
(sin (/ x (* y 2.0)))
11.0ms
(sin (/ x (* y 2.0)))

simplify8.8s

Counts
55 → 55
Iterations

Useful iterations: 3 (427.0ms)

IterNodesCost
071905
1145719
2409546
31220542
44953542
done5000542

prune285.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 23.3b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (pow (cos (/ x (* y 2.0))) 3))
0.2b
(cbrt (/ 1 (pow (cos (/ x (* y 2.0))) 3)))
0.3b
(pow (cos (/ x (* y 2.0))) 3)
26.0b
(cos (/ x (* y 2.0)))

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
72×times-frac
54×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
40×cbrt-prod
24×unpow-prod-down cube-prod
14×add-exp-log
12×associate-/r*
cube-mult unpow3 sqr-pow
add-cbrt-cube
div-exp
pow1
pow-to-exp pow-exp add-log-exp
rec-exp pow-unpow 1-exp associate-/l*
div-inv
cbrt-undiv cbrt-div pow-flip pow-pow frac-2neg pow1/3 clear-num inv-pow rem-cube-cbrt
Counts
4 → 152
Calls
4 calls:
25.0ms
(/ 1 (pow (cos (/ x (* y 2.0))) 3))
10.0ms
(cbrt (/ 1 (pow (cos (/ x (* y 2.0))) 3)))
6.0ms
(pow (cos (/ x (* y 2.0))) 3)
10.0ms
(cos (/ x (* y 2.0)))

series175.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(/ 1 (pow (cos (/ x (* y 2.0))) 3))
32.0ms
(cbrt (/ 1 (pow (cos (/ x (* y 2.0))) 3)))
59.0ms
(pow (cos (/ x (* y 2.0))) 3)
18.0ms
(cos (/ x (* y 2.0)))

simplify1.5s

Counts
164 → 164
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01652987
12682455
25912204
done50002201

prune356.0ms

Pruning

18 alts after pruning (16 fresh and 2 done)

Merged error: 23.2b

regimes371.0ms

Accuracy

0% (2.4b remaining)

Error of 28.6b against oracle of 26.3b and baseline of 28.6b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01313
11613
done1613

end0.0ms

sample6.2s

Algorithm
intervals
Results
1.7s609×body2560valid
1.6s1412×body1280valid
1.2s1016×body640valid
764.0ms4058×body80valid
388.0ms588×body320valid
249.0ms317×body160valid