Details

Time bar (total: 15.1s)

sample136.0ms

Algorithm
intervals
Results
55.0ms43×body1280valid
27.0ms38×body640valid
20.0ms140×body80valid
13.0ms26×body320valid
3.0msbody160valid

simplify381.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01116
12016
24316
39316
417316
527716
631416
done31416

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.9b

localize23.0ms

Local error

Found 3 expressions with local error:

0.2b
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
0.4b
(* (/ 8.0 3.0) (sin (* x 0.5)))
14.7b
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

rewrite243.0ms

Algorithm
rewrite-expression-head
Rules
31×add-exp-log add-cbrt-cube
19×add-sqr-sqrt
14×add-cube-cbrt *-un-lft-identity associate-*l*
13×times-frac
12×prod-exp cbrt-unprod
10×pow1
cbrt-undiv div-exp
associate-*r*
associate-*l/
pow-prod-down
expm1-log1p-u associate-/r* log1p-expm1-u add-log-exp
*-commutative div-inv unswap-sqr
frac-2neg clear-num associate-/l/ associate-/l*
Counts
3 → 85
Calls
3 calls:
109.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
43.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
85.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

series253.0ms

Counts
3 → 9
Calls
3 calls:
85.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
52.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
116.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

simplify1.7s

Counts
94 → 94
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01691554
14241349
224901130
done50021088

prune399.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.1b

localize23.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin x) (sin (* x 0.5))))
0.2b
(/ (sin x) (sin (* x 0.5)))
0.4b
(* (/ 8.0 3.0) (sin (* x 0.5)))

rewrite107.0ms

Algorithm
rewrite-expression-head
Rules
50×times-frac
38×add-sqr-sqrt
33×add-cube-cbrt *-un-lft-identity
31×add-exp-log add-cbrt-cube
16×associate-/r*
13×cbrt-undiv div-exp associate-*l*
prod-exp cbrt-unprod
pow1 div-inv
associate-/l*
expm1-log1p-u associate-*r* log1p-expm1-u add-log-exp
frac-2neg associate-*l/ clear-num unswap-sqr
pow-prod-down associate-/r/ *-commutative associate-/l/
Counts
3 → 116
Calls
3 calls:
47.0ms
(/ (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin x) (sin (* x 0.5))))
25.0ms
(/ (sin x) (sin (* x 0.5)))
32.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

series232.0ms

Counts
3 → 9
Calls
3 calls:
114.0ms
(/ (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin x) (sin (* x 0.5))))
56.0ms
(/ (sin x) (sin (* x 0.5)))
62.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

simplify2.8s

Counts
125 → 125
Iterations

Useful iterations: done (2.8s)

IterNodesCost
02172116
15781964
239991712
done50001700

prune427.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0b

localize19.0ms

Local error

Found 3 expressions with local error:

0.2b
(* (/ (sin x) (sin (* x 0.5))) 3.0)
0.2b
(/ (sin x) (sin (* x 0.5)))
0.2b
(/ (* 8.0 (sin (* x 0.5))) (* (/ (sin x) (sin (* x 0.5))) 3.0))

rewrite146.0ms

Algorithm
rewrite-expression-head
Rules
31×add-exp-log add-cbrt-cube
24×add-sqr-sqrt
20×times-frac
19×add-cube-cbrt *-un-lft-identity
13×associate-*l*
10×cbrt-undiv div-exp
prod-exp cbrt-unprod
pow1
associate-/r* associate-/l*
expm1-log1p-u associate-*r* log1p-expm1-u div-inv add-log-exp
frac-2neg associate-*l/ clear-num unswap-sqr
pow-prod-down associate-/r/ *-commutative
Counts
3 → 91
Calls
3 calls:
58.0ms
(* (/ (sin x) (sin (* x 0.5))) 3.0)
25.0ms
(/ (sin x) (sin (* x 0.5)))
56.0ms
(/ (* 8.0 (sin (* x 0.5))) (* (/ (sin x) (sin (* x 0.5))) 3.0))

series278.0ms

Counts
3 → 9
Calls
3 calls:
91.0ms
(* (/ (sin x) (sin (* x 0.5))) 3.0)
62.0ms
(/ (sin x) (sin (* x 0.5)))
125.0ms
(/ (* 8.0 (sin (* x 0.5))) (* (/ (sin x) (sin (* x 0.5))) 3.0))

simplify1.7s

Counts
100 → 100
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01711602
14481539
229341232
done50001231

prune464.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

localize40.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (sin x) (sin (* 0.5 x)))
0.2b
(/ (* 8.0 (sin (* x 0.5))) (* (cbrt (pow (/ (sin x) (sin (* 0.5 x))) 3)) 3.0))
0.3b
(cbrt (pow (/ (sin x) (sin (* 0.5 x))) 3))
0.4b
(pow (/ (sin x) (sin (* 0.5 x))) 3)

rewrite154.0ms

Algorithm
rewrite-expression-head
Rules
46×times-frac
42×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
32×cbrt-prod
26×unpow-prod-down cube-prod
21×add-exp-log
19×add-cbrt-cube
cbrt-undiv div-exp div-inv
pow1
expm1-log1p-u prod-exp associate-/r* cbrt-unprod log1p-expm1-u associate-/l* add-log-exp
cube-div pow-unpow
cube-mult cbrt-div frac-2neg unpow3 pow-exp clear-num rem-cube-cbrt sqr-pow
pow-to-exp pow-pow pow1/3 associate-*l/ associate-/r/ rem-cbrt-cube
Counts
4 → 145
Calls
4 calls:
24.0ms
(/ (sin x) (sin (* 0.5 x)))
67.0ms
(/ (* 8.0 (sin (* x 0.5))) (* (cbrt (pow (/ (sin x) (sin (* 0.5 x))) 3)) 3.0))
30.0ms
(cbrt (pow (/ (sin x) (sin (* 0.5 x))) 3))
23.0ms
(pow (/ (sin x) (sin (* 0.5 x))) 3)

series348.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(/ (sin x) (sin (* 0.5 x)))
109.0ms
(/ (* 8.0 (sin (* x 0.5))) (* (cbrt (pow (/ (sin x) (sin (* 0.5 x))) 3)) 3.0))
59.0ms
(cbrt (pow (/ (sin x) (sin (* 0.5 x))) 3))
132.0ms
(pow (/ (sin x) (sin (* 0.5 x))) 3)

simplify429.0ms

Counts
157 → 157
Iterations

Useful iterations: done (424.0ms)

IterNodesCost
02202820
16782370
done50002113

prune521.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0b

regimes35.0ms

Accuracy

0% (0.2b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.3b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01316
11416
done1416

end0.0ms

sample4.3s

Algorithm
intervals
Results
2.2s1478×body1280valid
800.0ms1243×body640valid
625.0ms4364×body80valid
354.0ms605×body320valid
73.0ms310×body160valid