Details

Time bar (total: 17.7s)

sample102.0ms

Algorithm
intervals
Results
32.0ms37×body1280valid
20.0ms34×body640valid
17.0ms149×body80valid
9.0ms25×body320valid
3.0ms11×body160valid

simplify334.0ms

Counts
1 → 1
Iterations
IterNodes
done313
6313
5275
4171
390
243
120
011

prune10.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 15.1b

localize17.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (sin (* x 0.5)) 3.0)
0.2b
(* (sin (* x 0.5)) (/ (sin (* x 0.5)) 3.0))
15.1b
(/ (* (sin (* x 0.5)) (/ (sin (* x 0.5)) 3.0)) (/ (sin x) 8.0))

rewrite90.0ms

Algorithm
rewrite-expression-head
Rules
50×times-frac
38×add-sqr-sqrt
33×*-un-lft-identity add-cube-cbrt
31×add-cbrt-cube add-exp-log
16×associate-/r*
13×cbrt-undiv div-exp associate-*r*
prod-exp cbrt-unprod
pow1 div-inv
associate-/l*
expm1-log1p-u associate-*l* log1p-expm1-u add-log-exp
clear-num frac-2neg associate-*r/ unswap-sqr
pow-prod-down associate-/r/ *-commutative associate-/l/
Counts
3 → 116
Calls
3 calls:
10.0ms
(/ (sin (* x 0.5)) 3.0)
29.0ms
(* (sin (* x 0.5)) (/ (sin (* x 0.5)) 3.0))
47.0ms
(/ (* (sin (* x 0.5)) (/ (sin (* x 0.5)) 3.0)) (/ (sin x) 8.0))

series286.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(/ (sin (* x 0.5)) 3.0)
89.0ms
(* (sin (* x 0.5)) (/ (sin (* x 0.5)) 3.0))
125.0ms
(/ (* (sin (* x 0.5)) (/ (sin (* x 0.5)) 3.0)) (/ (sin x) 8.0))

simplify2.7s

Counts
125 → 125
Iterations
IterNodes
done5000
24759
1614
0230

prune783.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0b

localize21.0ms

Local error

Found 3 expressions with local error:

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

rewrite87.0ms

Algorithm
rewrite-expression-head
Rules
31×add-cbrt-cube add-exp-log
27×add-sqr-sqrt
25×times-frac
22×*-un-lft-identity add-cube-cbrt
13×associate-*l*
10×cbrt-undiv div-exp
prod-exp cbrt-unprod
associate-*r*
associate-/r*
pow1
div-inv associate-/l*
expm1-log1p-u log1p-expm1-u add-log-exp
clear-num frac-2neg unswap-sqr
frac-times pow-prod-down associate-*l/ associate-*r/ *-commutative
Counts
3 → 100
Calls
3 calls:
14.0ms
(/ (* (sin (* x 0.5)) 8.0) 3.0)
50.0ms
(* (/ (sin (* x 0.5)) (sin x)) (/ (* (sin (* x 0.5)) 8.0) 3.0))
20.0ms
(/ (sin (* x 0.5)) (sin x))

series253.0ms

Counts
3 → 9
Calls
3 calls:
52.0ms
(/ (* (sin (* x 0.5)) 8.0) 3.0)
135.0ms
(* (/ (sin (* x 0.5)) (sin x)) (/ (* (sin (* x 0.5)) 8.0) 3.0))
66.0ms
(/ (sin (* x 0.5)) (sin x))

simplify1.5s

Counts
109 → 109
Iterations
IterNodes
done5002
22767
1488
0179

prune682.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0b

localize44.0ms

Local error

Found 4 expressions with local error:

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

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
20×*-un-lft-identity add-cube-cbrt
19×times-frac
13×associate-*l*
11×add-cbrt-cube add-exp-log
pow1
log1p-expm1-u
expm1-log1p-u add-log-exp
associate-/r* associate-*r* associate-/l*
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv unswap-sqr
log1p-udef expm1-log1p clear-num frac-2neg pow-prod-down associate-*l/ log1p-expm1 *-commutative expm1-udef
Counts
4 → 85
Calls
4 calls:
26.0ms
(* (/ (sin (* x 0.5)) (sin x)) (log1p (expm1 (* (/ (sin (* 0.5 x)) 3.0) 8.0))))
0.0ms
(log1p (expm1 (* (/ (sin (* 0.5 x)) 3.0) 8.0)))
19.0ms
(/ (sin (* x 0.5)) (sin x))
1.0ms
(expm1 (* (/ (sin (* 0.5 x)) 3.0) 8.0))

series1.3s

Counts
4 → 12
Calls
4 calls:
941.0ms
(* (/ (sin (* x 0.5)) (sin x)) (log1p (expm1 (* (/ (sin (* 0.5 x)) 3.0) 8.0))))
251.0ms
(log1p (expm1 (* (/ (sin (* 0.5 x)) 3.0) 8.0)))
57.0ms
(/ (sin (* x 0.5)) (sin x))
94.0ms
(expm1 (* (/ (sin (* 0.5 x)) 3.0) 8.0))

simplify1.2s

Counts
97 → 97
Iterations
IterNodes
done5000
21553
1335
0154

prune605.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 8.0 (/ (sin (* 0.5 x)) 3.0))
0.1b
(/ (sin (* 0.5 x)) 3.0)
0.3b
(/ (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (sin x))
0.3b
(* (sin (* x 0.5)) (/ (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (sin x)))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
34×add-cbrt-cube add-exp-log
32×add-sqr-sqrt
25×*-un-lft-identity times-frac add-cube-cbrt
20×associate-*r*
10×cbrt-undiv div-exp prod-exp cbrt-unprod
pow1
associate-/r* associate-*l*
expm1-log1p-u log1p-expm1-u div-inv associate-/l* add-log-exp
associate-*r/ unswap-sqr
clear-num frac-2neg pow-prod-down *-commutative
associate-/l/
Counts
4 → 120
Calls
4 calls:
12.0ms
(* 8.0 (/ (sin (* 0.5 x)) 3.0))
9.0ms
(/ (sin (* 0.5 x)) 3.0)
13.0ms
(/ (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (sin x))
37.0ms
(* (sin (* x 0.5)) (/ (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (sin x)))

series292.0ms

Counts
4 → 12
Calls
4 calls:
55.0ms
(* 8.0 (/ (sin (* 0.5 x)) 3.0))
39.0ms
(/ (sin (* 0.5 x)) 3.0)
76.0ms
(/ (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (sin x))
122.0ms
(* (sin (* x 0.5)) (/ (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (sin x)))

simplify1.5s

Counts
132 → 132
Iterations
IterNodes
done5001
22884
1515
0208

prune640.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0b

regimes164.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done17
117
015

end0.0ms

sample5.0s

Algorithm
intervals
Results
2.1s1523×body1280valid
1.5s1269×body640valid
724.0ms4242×body80valid
253.0ms633×body320valid
87.0ms333×body160valid