Details

Time bar (total: 17.2s)

sample138.0ms

Algorithm
intervals
Results
52.0ms53×body1280valid
33.0ms20×body2560valid
15.0ms137×body80valid
13.0ms23×body640valid
6.0ms16×body320valid
2.0msbody160valid

simplify10.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
08278
111278
213278
done13278

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.3b

localize29.0ms

Local error

Found 3 expressions with local error:

8.2b
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
26.5b
(sin (/ x (* y 2.0)))
27.0b
(tan (/ x (* y 2.0)))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
times-frac
add-cbrt-cube add-exp-log
expm1-log1p-u pow1 associate-/r* log1p-expm1-u associate-/l* add-log-exp
tan-quot
cbrt-undiv clear-num frac-2neg div-exp div-inv associate-/l/
Counts
3 → 49
Calls
3 calls:
43.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
7.0ms
(sin (/ x (* y 2.0)))
5.0ms
(tan (/ x (* y 2.0)))

series162.0ms

Counts
3 → 9
Calls
3 calls:
73.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
18.0ms
(sin (/ x (* y 2.0)))
71.0ms
(tan (/ x (* y 2.0)))

simplify1.6s

Counts
58 → 58
Iterations

Useful iterations: 2 (122.0ms)

IterNodesCost
08320158
115218581
250218181
3310018181
done500018181

prune420.0ms

Pruning

15 alts after pruning (15 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

prune74.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 24.9b

localize29.0ms

Local error

Found 4 expressions with local error:

8.2b
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
26.5b
(sin (/ x (* y 2.0)))
26.5b
(sin (/ x (* y 2.0)))
26.9b
(cos (/ x (* y 2.0)))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
add-cbrt-cube add-exp-log
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 log1p-expm1-u add-log-exp
times-frac associate-/l*
cbrt-undiv div-exp
clear-num associate-/r* frac-2neg prod-exp associate-/r/ cbrt-unprod div-inv sin-cos-mult
Counts
4 → 51
Calls
4 calls:
39.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
5.0ms
(sin (/ x (* y 2.0)))
6.0ms
(sin (/ x (* y 2.0)))
7.0ms
(cos (/ x (* y 2.0)))

series91.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
17.0ms
(sin (/ x (* y 2.0)))
17.0ms
(sin (/ x (* y 2.0)))
21.0ms
(cos (/ x (* y 2.0)))

simplify2.9s

Counts
63 → 63
Iterations

Useful iterations: 3 (993.0ms)

IterNodesCost
07717463
115214539
248913779
3363413697
done500013697

prune398.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 24.9b

localize28.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 1 (cos (/ x (* y 2.0))))
0.6b
(log1p (expm1 (/ 1 (cos (/ x (* y 2.0))))))
0.7b
(expm1 (/ 1 (cos (/ x (* y 2.0)))))
26.9b
(cos (/ x (* y 2.0)))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
times-frac
add-exp-log
add-cbrt-cube
pow1 log1p-expm1-u
expm1-log1p-u add-log-exp
associate-/r* associate-/l*
div-exp
cbrt-undiv rec-exp log1p-udef expm1-log1p clear-num frac-2neg 1-exp log1p-expm1 div-inv pow-flip inv-pow expm1-udef
Counts
4 → 64
Calls
4 calls:
5.0ms
(/ 1 (cos (/ x (* y 2.0))))
0.0ms
(log1p (expm1 (/ 1 (cos (/ x (* y 2.0))))))
0.0ms
(expm1 (/ 1 (cos (/ x (* y 2.0)))))
4.0ms
(cos (/ x (* y 2.0)))

series254.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(/ 1 (cos (/ x (* y 2.0))))
117.0ms
(log1p (expm1 (/ 1 (cos (/ x (* y 2.0))))))
79.0ms
(expm1 (/ 1 (cos (/ x (* y 2.0)))))
15.0ms
(cos (/ x (* y 2.0)))

simplify3.6s

Counts
76 → 76
Iterations

Useful iterations: 2 (129.0ms)

IterNodesCost
09123692
116417746
257017376
3317517376
done500117376

prune442.0ms

Pruning

17 alts after pruning (16 fresh and 1 done)

Merged error: 24.8b

regimes653.0ms

Accuracy

0% (2.4b remaining)

Error of 28.4b against oracle of 26.0b and baseline of 28.4b

bsearch0.0ms

simplify7.0ms

Iterations

Useful iterations: 0 (3.0ms)

IterNodesCost
013504
117504
done17504

end0.0ms

sample6.3s

Algorithm
intervals
Results
2.7s1429×body1280valid
1.5s645×body2560valid
750.0ms971×body640valid
701.0ms4118×body80valid
238.0ms559×body320valid
89.0ms278×body160valid