Details

Time bar (total: 15.5s)

sample114.0ms

Algorithm
intervals
Results
39.0ms140×body80valid
32.0ms46×body1280valid
15.0ms34×body640valid
11.0ms21×body320valid
4.0ms15×body160valid

simplify373.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01116
12016
24316
38916
416816
525716
627316
done27316

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.4b

localize21.0ms

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))

rewrite197.0ms

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:
82.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
35.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
78.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

series345.0ms

Counts
3 → 9
Calls
3 calls:
125.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
79.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
140.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

simplify1.5s

Counts
94 → 94
Iterations

Useful iterations: 2 (302.0ms)

IterNodesCost
01691554
14051349
214801080
done50001080

prune384.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.1b

localize26.0ms

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)))

rewrite116.0ms

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:
19.0ms
(/ (sin (* x 0.5)) (sin x))
66.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
27.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

series216.0ms

Counts
3 → 9
Calls
3 calls:
55.0ms
(/ (sin (* x 0.5)) (sin x))
119.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
42.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

simplify1.8s

Counts
113 → 113
Iterations

Useful iterations: 2 (363.0ms)

IterNodesCost
01891786
14471612
216051349
done50011349

prune367.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

localize21.0ms

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)))

rewrite98.0ms

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:
16.0ms
(/ (sin (* 0.5 x)) 3.0)
21.0ms
(/ (sin (* x 0.5)) (sin x))
57.0ms
(* (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (/ (sin (* x 0.5)) (sin x)))

series217.0ms

Counts
3 → 9
Calls
3 calls:
54.0ms
(/ (sin (* 0.5 x)) 3.0)
60.0ms
(/ (sin (* x 0.5)) (sin x))
103.0ms
(* (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (/ (sin (* x 0.5)) (sin x)))

simplify1.7s

Counts
108 → 108
Iterations

Useful iterations: 2 (328.0ms)

IterNodesCost
01931725
14351646
215491310
done50001310

prune472.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0b

localize33.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sin (* x 0.5)) (sin x))
0.1b
(expm1 (log1p (/ (sin (* 0.5 x)) 3.0)))
0.2b
(log1p (/ (sin (* 0.5 x)) 3.0))
0.2b
(* (* 8.0 (expm1 (log1p (/ (sin (* 0.5 x)) 3.0)))) (/ (sin (* x 0.5)) (sin x)))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
18×add-exp-log times-frac add-cbrt-cube
13×associate-*r*
pow1
prod-exp cbrt-unprod
expm1-log1p-u
log1p-expm1-u add-log-exp
cbrt-undiv div-exp pow-prod-down associate-/r* associate-/l*
div-inv
log1p-udef expm1-log1p frac-2neg log1p-expm1 associate-*r/ associate-*l* clear-num *-commutative expm1-udef
Counts
4 → 86
Calls
4 calls:
14.0ms
(/ (sin (* x 0.5)) (sin x))
0.0ms
(expm1 (log1p (/ (sin (* 0.5 x)) 3.0)))
1.0ms
(log1p (/ (sin (* 0.5 x)) 3.0))
54.0ms
(* (* 8.0 (expm1 (log1p (/ (sin (* 0.5 x)) 3.0)))) (/ (sin (* x 0.5)) (sin x)))

series1.2s

Counts
4 → 12
Calls
4 calls:
57.0ms
(/ (sin (* x 0.5)) (sin x))
354.0ms
(expm1 (log1p (/ (sin (* 0.5 x)) 3.0)))
154.0ms
(log1p (/ (sin (* 0.5 x)) 3.0))
635.0ms
(* (* 8.0 (expm1 (log1p (/ (sin (* 0.5 x)) 3.0)))) (/ (sin (* x 0.5)) (sin x)))

simplify1.8s

Counts
98 → 98
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01651577
13641413
212911137
done50001136

prune433.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

regimes52.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01720
12120
done2120

end0.0ms

sample4.0s

Algorithm
intervals
Results
1.8s1542×body1280valid
796.0ms1200×body640valid
638.0ms4318×body80valid
407.0ms644×body320valid
72.0ms296×body160valid