Details

Time bar (total: 18.1s)

sample197.0ms

Algorithm
intervals
Results
59.0ms36×body640valid
56.0ms28×body2560valid
38.0ms41×body1280valid
16.0ms124×body80valid
6.0ms14×body320valid
4.0ms13×body160valid

simplify14.0ms

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: 36.6b

localize20.0ms

Local error

Found 3 expressions with local error:

6.3b
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
30.0b
(sin (/ x (* y 2.0)))
30.7b
(tan (/ x (* y 2.0)))

rewrite40.0ms

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:
22.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
10.0ms
(sin (/ x (* y 2.0)))
7.0ms
(tan (/ x (* y 2.0)))

series138.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
13.0ms
(sin (/ x (* y 2.0)))
79.0ms
(tan (/ x (* y 2.0)))

simplify2.0s

Counts
52 → 52
Iterations

Useful iterations: 3 (189.0ms)

IterNodesCost
077822
1139813
2323737
3803733
42504733
done5000733

prune220.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 28.1b

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

prune32.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 28.1b

localize12.0ms

Local error

Found 4 expressions with local error:

6.3b
(/ (/ (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))) (sin (/ x (* y 2.0))))
30.0b
(sin (/ x (* y 2.0)))
30.0b
(sin (/ x (* y 2.0)))
30.3b
(cos (/ x (* y 2.0)))

rewrite67.0ms

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:
41.0ms
(/ (/ (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))) (sin (/ x (* y 2.0))))
5.0ms
(sin (/ x (* y 2.0)))
5.0ms
(sin (/ x (* y 2.0)))
9.0ms
(cos (/ x (* y 2.0)))

series90.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(/ (/ (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))) (sin (/ x (* y 2.0))))
16.0ms
(sin (/ x (* y 2.0)))
19.0ms
(sin (/ x (* y 2.0)))
20.0ms
(cos (/ x (* y 2.0)))

simplify3.2s

Counts
103 → 103
Iterations

Useful iterations: 3 (1.6s)

IterNodesCost
01612815
13472764
29312348
329532127
done50002127

prune470.0ms

Pruning

20 alts after pruning (19 fresh and 1 done)

Merged error: 28.1b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 1 (cos (/ x (* y 2.0))))
0.3b
(cbrt (pow (/ 1 (cos (/ x (* y 2.0)))) 3))
0.4b
(pow (/ 1 (cos (/ x (* y 2.0)))) 3)
30.3b
(cos (/ x (* y 2.0)))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
45×times-frac
42×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
32×cbrt-prod
26×unpow-prod-down cube-prod
13×add-exp-log
add-cbrt-cube
pow1
div-inv
div-exp pow-exp add-log-exp
pow-unpow pow-pow associate-/r* associate-/l*
cbrt-undiv cube-div cube-mult rec-exp pow-flip 1-exp unpow3 inv-pow rem-cube-cbrt sqr-pow
pow-to-exp cbrt-div frac-2neg pow1/3 clear-num rem-cbrt-cube
Counts
4 → 130
Calls
4 calls:
10.0ms
(/ 1 (cos (/ x (* y 2.0))))
10.0ms
(cbrt (pow (/ 1 (cos (/ x (* y 2.0)))) 3))
19.0ms
(pow (/ 1 (cos (/ x (* y 2.0)))) 3)
8.0ms
(cos (/ x (* y 2.0)))

series147.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(/ 1 (cos (/ x (* y 2.0))))
27.0ms
(cbrt (pow (/ 1 (cos (/ x (* y 2.0)))) 3))
67.0ms
(pow (/ 1 (cos (/ x (* y 2.0)))) 3)
21.0ms
(cos (/ x (* y 2.0)))

simplify4.0s

Counts
142 → 142
Iterations

Useful iterations: 3 (1.4s)

IterNodesCost
01392398
13101896
26411665
336751657
done50001657

prune274.0ms

Pruning

23 alts after pruning (22 fresh and 1 done)

Merged error: 28.0b

regimes596.0ms

Accuracy

0% (2.3b remaining)

Error of 28.4b against oracle of 26.1b and baseline of 28.4b

bsearch0.0ms

simplify0.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
011
done11

end0.0ms

sample6.5s

Algorithm
intervals
Results
1.7s1429×body1280valid
1.6s977×body640valid
1.5s633×body2560valid
751.0ms4098×body80valid
362.0ms540×body320valid
165.0ms323×body160valid