Details

Time bar (total: 21.5s)

sample127.0ms

Algorithm
intervals
Results
37.0ms24×body2560valid
28.0ms36×body1280valid
26.0ms139×body80valid
13.0ms26×body640valid
7.0ms20×body320valid
3.0ms11×body160valid

simplify6.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0813
11113
21313
done1313

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.2b

localize11.0ms

Local error

Found 3 expressions with local error:

7.7b
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
26.3b
(sin (/ x (* y 2.0)))
27.0b
(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 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:
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)))

series139.0ms

Counts
3 → 9
Calls
3 calls:
62.0ms
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
14.0ms
(sin (/ x (* y 2.0)))
62.0ms
(tan (/ x (* y 2.0)))

simplify1.9s

Counts
58 → 58
Iterations

Useful iterations: 3 (196.0ms)

IterNodesCost
083878
1147865
2330789
3814785
42543785
done5001785

prune301.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 24.3b

localize1.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify1.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
000
done00

prune46.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 24.3b

localize17.0ms

Local error

Found 4 expressions with local error:

7.7b
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
26.3b
(sin (/ x (* y 2.0)))
26.3b
(sin (/ x (* y 2.0)))
26.6b
(cos (/ x (* y 2.0)))

rewrite100.0ms

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:
60.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
11.0ms
(sin (/ x (* y 2.0)))
11.0ms
(sin (/ x (* y 2.0)))
17.0ms
(cos (/ x (* y 2.0)))

series91.0ms

Counts
4 → 12
Calls
4 calls:
41.0ms
(/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (cos (/ x (* y 2.0)))))
11.0ms
(sin (/ x (* y 2.0)))
14.0ms
(sin (/ x (* y 2.0)))
25.0ms
(cos (/ x (* y 2.0)))

simplify6.2s

Counts
63 → 63
Iterations

Useful iterations: 3 (525.0ms)

IterNodesCost
077989
1152777
2416604
31226600
done5000600

prune348.0ms

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 24.3b

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 1 (cos (/ x (* y 2.0))))
0.1b
(* (sqrt (/ 1 (cos (/ x (* y 2.0))))) (sqrt (/ 1 (cos (/ x (* y 2.0))))))
26.6b
(cos (/ x (* y 2.0)))
26.6b
(cos (/ x (* y 2.0)))

rewrite106.0ms

Algorithm
rewrite-expression-head
Rules
88×add-sqr-sqrt
82×sqrt-prod
61×times-frac
54×*-un-lft-identity
44×add-cube-cbrt
28×pow1
24×sqrt-pow1
20×swap-sqr
16×associate-*r* associate-*l* unswap-sqr
10×add-exp-log
pow-flip pow-prod-up inv-pow
pow1/2 add-cbrt-cube
div-inv
pow-prod-down pow-sqr
expm1-log1p-u sqrt-div log1p-expm1-u add-log-exp
associate-/r* associate-/l*
div-exp
cbrt-undiv pow2 frac-times rec-exp frac-2neg pow-plus sqrt-unprod 1-exp associate-*r/ associate-*l/ prod-exp clear-num rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 157
Calls
4 calls:
12.0ms
(/ 1 (cos (/ x (* y 2.0))))
58.0ms
(* (sqrt (/ 1 (cos (/ x (* y 2.0))))) (sqrt (/ 1 (cos (/ x (* y 2.0))))))
10.0ms
(cos (/ x (* y 2.0)))
10.0ms
(cos (/ x (* y 2.0)))

series101.0ms

Counts
4 → 12
Calls
4 calls:
33.0ms
(/ 1 (cos (/ x (* y 2.0))))
34.0ms
(* (sqrt (/ 1 (cos (/ x (* y 2.0))))) (sqrt (/ 1 (cos (/ x (* y 2.0))))))
14.0ms
(cos (/ x (* y 2.0)))
20.0ms
(cos (/ x (* y 2.0)))

simplify3.9s

Counts
169 → 169
Iterations

Useful iterations: done (3.9s)

IterNodesCost
01713412
12612287
24832121
310572094
430952007
done50001998

prune547.0ms

Pruning

22 alts after pruning (21 fresh and 1 done)

Merged error: 24.3b

regimes747.0ms

Accuracy

38.7% (1.5b remaining)

Error of 27.6b against oracle of 26.1b and baseline of 28.5b

bsearch4.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01739
11939
done1939

end0.0ms

sample6.7s

Algorithm
intervals
Results
2.0s648×body2560valid
1.8s1363×body1280valid
1.3s972×body640valid
747.0ms4103×body80valid
320.0ms595×body320valid
120.0ms319×body160valid