Details

Time bar (total: 24.0s)

sample166.0ms

Algorithm
intervals
Results
50.0ms46×body1280valid
30.0ms16×body2560valid
21.0ms29×body640valid
20.0ms131×body80valid
10.0ms20×body320valid
6.0ms14×body160valid

simplify11.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0813
11113
21313
done1313

prune46.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.1b

localize25.0ms

Local error

Found 3 expressions with local error:

6.0b
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
27.4b
(sin (/ x (* y 2.0)))
28.1b
(tan (/ x (* y 2.0)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u associate-/r* log1p-expm1-u associate-/l* add-log-exp
tan-quot
cbrt-undiv frac-2neg div-exp clear-num div-inv associate-/l/
Counts
3 → 49
Calls
3 calls:
19.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
8.0ms
(sin (/ x (* y 2.0)))
7.0ms
(tan (/ x (* y 2.0)))

series141.0ms

Counts
3 → 9
Calls
3 calls:
57.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
21.0ms
(sin (/ x (* y 2.0)))
63.0ms
(tan (/ x (* y 2.0)))

simplify2.2s

Counts
58 → 58
Iterations

Useful iterations: 3 (202.0ms)

IterNodesCost
083878
1147865
2330789
3814785
42543785
done5001785

prune278.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 26.0b

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

prune48.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 26.0b

localize13.0ms

Local error

Found 4 expressions with local error:

5.9b
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
27.4b
(sin (/ x (* y 2.0)))
27.4b
(sin (/ x (* y 2.0)))
28.1b
(cos (/ x (* y 2.0)))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
add-exp-log add-cbrt-cube
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 expm1-log1p-u log1p-expm1-u 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 → 51
Calls
4 calls:
44.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
5.0ms
(sin (/ x (* y 2.0)))
5.0ms
(sin (/ x (* y 2.0)))
6.0ms
(cos (/ x (* y 2.0)))

series93.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
18.0ms
(sin (/ x (* y 2.0)))
13.0ms
(sin (/ x (* y 2.0)))
22.0ms
(cos (/ x (* y 2.0)))

simplify6.8s

Counts
63 → 63
Iterations

Useful iterations: 3 (555.0ms)

IterNodesCost
077989
1152777
2416604
31226600
done5000600

prune340.0ms

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 26.0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (cbrt (/ 1 (cos (/ x (* y 2.0))))) (cbrt (/ 1 (cos (/ x (* y 2.0))))))
28.1b
(cos (/ x (* y 2.0)))
28.1b
(cos (/ x (* y 2.0)))
28.1b
(cos (/ x (* y 2.0)))

rewrite92.0ms

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
expm1-log1p-u cbrt-div add-cbrt-cube log1p-expm1-u 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 → 116
Calls
4 calls:
52.0ms
(* (cbrt (/ 1 (cos (/ x (* y 2.0))))) (cbrt (/ 1 (cos (/ x (* y 2.0))))))
11.0ms
(cos (/ x (* y 2.0)))
12.0ms
(cos (/ x (* y 2.0)))
11.0ms
(cos (/ x (* y 2.0)))

series278.0ms

Counts
4 → 12
Calls
4 calls:
208.0ms
(* (cbrt (/ 1 (cos (/ x (* y 2.0))))) (cbrt (/ 1 (cos (/ x (* y 2.0))))))
16.0ms
(cos (/ x (* y 2.0)))
27.0ms
(cos (/ x (* y 2.0)))
26.0ms
(cos (/ x (* y 2.0)))

simplify5.8s

Counts
128 → 128
Iterations

Useful iterations: 5 (3.2s)

IterNodesCost
01422816
12162565
24002451
37192241
413842219
549342201
done50002201

prune584.0ms

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 25.8b

regimes426.0ms

Accuracy

0% (2.5b remaining)

Error of 28.4b against oracle of 25.9b and baseline of 28.4b

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01433
11933
done1933

end0.0ms

sample6.4s

Algorithm
intervals
Results
2.2s1371×body1280valid
1.4s642×body2560valid
1.1s4097×body80valid
823.0ms1004×body640valid
338.0ms572×body320valid
111.0ms314×body160valid