Details

Time bar (total: 17.0s)

sample100.0ms

Algorithm
intervals
Results
33.0ms37×body1280valid
24.0ms45×body640valid
16.0ms146×body80valid
6.0ms15×body320valid
3.0ms13×body160valid

simplify475.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01116
12016
24316
38916
416816
525716
627316
done27316

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.0b

localize21.0ms

Local error

Found 3 expressions with local error:

0.2b
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
0.3b
(* (/ 8.0 3.0) (sin (* x 0.5)))
14.9b
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

rewrite236.0ms

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:
111.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
32.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
90.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

series292.0ms

Counts
3 → 9
Calls
3 calls:
91.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
58.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
142.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

simplify1.8s

Counts
94 → 94
Iterations

Useful iterations: 2 (357.0ms)

IterNodesCost
01691554
14051349
214801080
done50001080

prune438.0ms

Pruning

10 alts after pruning (10 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)))
0.3b
(* (/ 8.0 3.0) (sin (* x 0.5)))

rewrite153.0ms

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))
99.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
37.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

series295.0ms

Counts
3 → 9
Calls
3 calls:
69.0ms
(/ (sin (* x 0.5)) (sin x))
157.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
69.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

simplify2.1s

Counts
113 → 113
Iterations

Useful iterations: 2 (442.0ms)

IterNodesCost
01891786
14471612
216051349
done50011349

prune453.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0b

localize33.0ms

Local error

Found 3 expressions with local error:

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

rewrite132.0ms

Algorithm
rewrite-expression-head
Rules
31×add-exp-log add-cbrt-cube
27×add-sqr-sqrt
25×times-frac
22×add-cube-cbrt *-un-lft-identity
13×associate-*r*
10×cbrt-undiv div-exp
prod-exp cbrt-unprod
associate-*l*
associate-/r*
pow1
div-inv associate-/l*
expm1-log1p-u log1p-expm1-u add-log-exp
frac-2neg clear-num unswap-sqr
frac-times associate-*r/ pow-prod-down associate-*l/ *-commutative
Counts
3 → 100
Calls
3 calls:
29.0ms
(/ (sin (* x 0.5)) (sin x))
48.0ms
(/ (* (sin (* 0.5 x)) 8.0) 3.0)
48.0ms
(* (/ (* (sin (* 0.5 x)) 8.0) 3.0) (/ (sin (* x 0.5)) (sin x)))

series277.0ms

Counts
3 → 9
Calls
3 calls:
74.0ms
(/ (sin (* x 0.5)) (sin x))
69.0ms
(/ (* (sin (* 0.5 x)) 8.0) 3.0)
134.0ms
(* (/ (* (sin (* 0.5 x)) 8.0) 3.0) (/ (sin (* x 0.5)) (sin x)))

simplify1.7s

Counts
109 → 109
Iterations

Useful iterations: 2 (465.0ms)

IterNodesCost
01841811
14501731
216541375
done50001375

prune565.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0b

localize28.0ms

Local error

Found 4 expressions with local error:

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

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
14×add-exp-log add-cube-cbrt *-un-lft-identity add-cbrt-cube
13×times-frac associate-*r*
pow1
log1p-expm1-u
expm1-log1p-u add-log-exp
cbrt-undiv div-exp associate-*l* prod-exp associate-/r* cbrt-unprod
div-inv unswap-sqr
log1p-udef expm1-log1p frac-2neg log1p-expm1 associate-*r/ pow-prod-down clear-num *-commutative associate-/l* expm1-udef
Counts
4 → 79
Calls
4 calls:
19.0ms
(/ (* (sin (* 0.5 x)) 8.0) 3.0)
0.0ms
(log1p (expm1 (/ (* (sin (* 0.5 x)) 8.0) 3.0)))
0.0ms
(expm1 (/ (* (sin (* 0.5 x)) 8.0) 3.0))
25.0ms
(* (log1p (expm1 (/ (* (sin (* 0.5 x)) 8.0) 3.0))) (/ (sin (* x 0.5)) (sin x)))

series1.1s

Counts
4 → 12
Calls
4 calls:
65.0ms
(/ (* (sin (* 0.5 x)) 8.0) 3.0)
306.0ms
(log1p (expm1 (/ (* (sin (* 0.5 x)) 8.0) 3.0)))
149.0ms
(expm1 (/ (* (sin (* 0.5 x)) 8.0) 3.0))
537.0ms
(* (log1p (expm1 (/ (* (sin (* 0.5 x)) 8.0) 3.0))) (/ (sin (* x 0.5)) (sin x)))

simplify1.5s

Counts
91 → 91
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01791481
13941328
214241105
done50011104

prune404.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0b

regimes62.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01518
11718
done1718

end0.0ms

sample4.8s

Algorithm
intervals
Results
1.7s1456×body1280valid
1.2s1271×body640valid
1.1s4346×body80valid
325.0ms603×body320valid
156.0ms324×body160valid