Details

Time bar (total: 15.9s)

sample98.0ms

Algorithm
intervals
Results
36.0ms46×body1280valid
18.0ms34×body640valid
16.0ms140×body80valid
8.0ms21×body320valid
4.0ms15×body160valid

simplify365.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01116
12016
24316
38916
416816
525716
627316
done27316

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.4b

localize20.0ms

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)))
13.2b
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

rewrite219.0ms

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:
85.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
38.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
93.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

series240.0ms

Counts
3 → 9
Calls
3 calls:
64.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
59.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
116.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

simplify1.3s

Counts
94 → 94
Iterations

Useful iterations: 2 (239.0ms)

IterNodesCost
01691554
14051349
214801080
done50001080

prune379.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.1b

localize25.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (sin (* x 0.5)) (sin x))
0.2b
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
0.4b
(* (/ 8.0 3.0) (sin (* x 0.5)))

rewrite143.0ms

Algorithm
rewrite-expression-head
Rules
31×add-exp-log add-sqr-sqrt add-cbrt-cube
28×times-frac
26×add-cube-cbrt *-un-lft-identity
16×associate-*r*
14×associate-*l*
12×prod-exp cbrt-unprod
10×pow1
cbrt-undiv div-exp
pow-prod-down associate-*l/
expm1-log1p-u associate-/r* log1p-expm1-u div-inv associate-/l* add-log-exp
*-commutative unswap-sqr
frac-times frac-2neg associate-*r/ clear-num
Counts
3 → 104
Calls
3 calls:
14.0ms
(/ (sin (* x 0.5)) (sin x))
80.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
46.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

series280.0ms

Counts
3 → 9
Calls
3 calls:
81.0ms
(/ (sin (* x 0.5)) (sin x))
133.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
65.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

simplify1.9s

Counts
113 → 113
Iterations

Useful iterations: 2 (376.0ms)

IterNodesCost
01891786
14471612
216051349
done50011349

prune468.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (sin (* 0.5 x)) 3.0)
0.1b
(/ (sin (* x 0.5)) (sin x))
0.2b
(* (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (/ (sin (* x 0.5)) (sin x)))

rewrite110.0ms

Algorithm
rewrite-expression-head
Rules
28×add-exp-log add-cbrt-cube
27×times-frac
26×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
13×associate-*r*
10×prod-exp cbrt-unprod
pow1
cbrt-undiv div-exp
associate-/r* associate-/l*
expm1-log1p-u associate-*r/ pow-prod-down log1p-expm1-u div-inv add-log-exp
frac-2neg clear-num
frac-times associate-*l* associate-*l/ *-commutative
Counts
3 → 99
Calls
3 calls:
20.0ms
(/ (sin (* 0.5 x)) 3.0)
29.0ms
(/ (sin (* x 0.5)) (sin x))
55.0ms
(* (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (/ (sin (* x 0.5)) (sin x)))

series283.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(/ (sin (* 0.5 x)) 3.0)
66.0ms
(/ (sin (* x 0.5)) (sin x))
146.0ms
(* (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (/ (sin (* x 0.5)) (sin x)))

simplify1.8s

Counts
108 → 108
Iterations

Useful iterations: 2 (307.0ms)

IterNodesCost
01931725
14351646
215491310
done50001310

prune454.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sin (* x 0.5)) (sin x))
0.2b
(* (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (cbrt (pow (/ (sin (* x 0.5)) (sin x)) 3)))
0.4b
(pow (/ (sin (* x 0.5)) (sin x)) 3)
0.8b
(cbrt (pow (/ (sin (* x 0.5)) (sin x)) 3))

rewrite130.0ms

Algorithm
rewrite-expression-head
Rules
64×cbrt-prod
63×times-frac
58×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
39×unpow-prod-down cube-prod
35×associate-*r*
18×add-exp-log
15×add-cbrt-cube
10×pow1
div-inv
prod-exp cbrt-unprod
cube-div expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv cube-mult pow-unpow cbrt-div unpow3 associate-*r/ div-exp pow-prod-down associate-/r* associate-/l* sqr-pow
pow-exp rem-cube-cbrt
frac-times pow-to-exp pow-pow frac-2neg pow1/3 associate-*l* associate-*l/ clear-num *-commutative rem-cbrt-cube
Counts
4 → 178
Calls
4 calls:
17.0ms
(/ (sin (* x 0.5)) (sin x))
76.0ms
(* (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (cbrt (pow (/ (sin (* x 0.5)) (sin x)) 3)))
13.0ms
(pow (/ (sin (* x 0.5)) (sin x)) 3)
12.0ms
(cbrt (pow (/ (sin (* x 0.5)) (sin x)) 3))

series397.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(/ (sin (* x 0.5)) (sin x))
141.0ms
(* (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (cbrt (pow (/ (sin (* x 0.5)) (sin x)) 3)))
110.0ms
(pow (/ (sin (* x 0.5)) (sin x)) 3)
63.0ms
(cbrt (pow (/ (sin (* x 0.5)) (sin x)) 3))

simplify1.6s

Counts
190 → 190
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02403449
15902887
221492452
done50012437

prune623.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0b

regimes46.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify8.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01316
11516
done1516

end0.0ms

sample4.9s

Algorithm
intervals
Results
2.0s1542×body1280valid
1.1s4318×body80valid
862.0ms1200×body640valid
466.0ms644×body320valid
148.0ms296×body160valid