Details

Time bar (total: 19.6s)

sample180.0ms

Algorithm
intervals
Results
72.0ms41×body1280valid
34.0ms40×body640valid
26.0ms138×body80valid
16.0ms26×body320valid
5.0ms11×body160valid

simplify421.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01116
12016
24316
39316
417316
527716
631416
done31416

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.2b

localize38.0ms

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)))
13.9b
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

rewrite270.0ms

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:
106.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
58.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
103.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

series322.0ms

Counts
3 → 9
Calls
3 calls:
106.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
74.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
141.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

simplify2.0s

Counts
94 → 94
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01691554
14241349
224901130
done50021088

prune462.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

localize23.0ms

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)))

rewrite213.0ms

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:
26.0ms
(/ (sin (* x 0.5)) (sin x))
132.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
47.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

series272.0ms

Counts
3 → 9
Calls
3 calls:
63.0ms
(/ (sin (* x 0.5)) (sin x))
130.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
78.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

simplify3.4s

Counts
113 → 113
Iterations

Useful iterations: done (3.4s)

IterNodesCost
01891786
14991739
233141390
done50011349

prune679.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

localize43.0ms

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)))

rewrite92.0ms

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:
13.0ms
(/ (sin (* 0.5 x)) 3.0)
14.0ms
(/ (sin (* x 0.5)) (sin x))
61.0ms
(* (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (/ (sin (* x 0.5)) (sin x)))

series299.0ms

Counts
3 → 9
Calls
3 calls:
83.0ms
(/ (sin (* 0.5 x)) 3.0)
86.0ms
(/ (sin (* x 0.5)) (sin x))
130.0ms
(* (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (/ (sin (* x 0.5)) (sin x)))

simplify2.4s

Counts
108 → 108
Iterations

Useful iterations: done (2.4s)

IterNodesCost
01931725
14811656
228941361
done50001310

prune621.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0b

localize61.0ms

Local error

Found 4 expressions with local error:

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

rewrite147.0ms

Algorithm
rewrite-expression-head
Rules
39×exp-prod
37×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
36×times-frac
28×log-pow
17×associate-*r*
15×add-exp-log add-cbrt-cube
11×pow1
log-prod
prod-exp cbrt-unprod add-log-exp
expm1-log1p-u log1p-expm1-u div-inv
distribute-rgt-in distribute-lft-in pow-prod-down associate-/r* associate-/l*
cbrt-undiv div-exp
frac-2neg associate-*r/ rem-log-exp associate-*l* associate-*l/ clear-num *-commutative rem-exp-log
Counts
4 → 122
Calls
4 calls:
19.0ms
(/ (sin (* x 0.5)) (sin x))
10.0ms
(exp (/ (sin (* x 0.5)) (sin x)))
22.0ms
(log (exp (/ (sin (* x 0.5)) (sin x))))
86.0ms
(* (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (log (exp (/ (sin (* x 0.5)) (sin x)))))

series406.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(/ (sin (* x 0.5)) (sin x))
148.0ms
(exp (/ (sin (* x 0.5)) (sin x)))
54.0ms
(log (exp (/ (sin (* x 0.5)) (sin x))))
134.0ms
(* (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (log (exp (/ (sin (* x 0.5)) (sin x)))))

simplify2.1s

Counts
134 → 134
Iterations

Useful iterations: done (2.1s)

IterNodesCost
02082119
14921944
226131730
done50001648

prune669.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

regimes68.0ms

Accuracy

0% (0.3b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 0.3b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01518
11718
done1718

end0.0ms

sample4.5s

Algorithm
intervals
Results
1.9s1468×body1280valid
1.1s4310×body80valid
842.0ms1283×body640valid
279.0ms635×body320valid
75.0ms304×body160valid