Details

Time bar (total: 17.7s)

sample173.0ms

Algorithm
intervals
Results
63.0ms57×body1280valid
38.0ms123×body80valid
33.0ms44×body640valid
12.0ms23×body320valid
3.0msbody160valid

simplify403.0ms

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: 12.9b

localize27.0ms

Local error

Found 3 expressions with local error:

0.3b
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
0.4b
(* (/ 8.0 3.0) (sin (* x 0.5)))
12.6b
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

rewrite314.0ms

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:
121.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
44.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
146.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

series296.0ms

Counts
3 → 9
Calls
3 calls:
103.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
61.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
132.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

simplify1.8s

Counts
94 → 94
Iterations

Useful iterations: 2 (424.0ms)

IterNodesCost
01691554
14051349
214801080
done50001080

prune425.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (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)))

rewrite170.0ms

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:
31.0ms
(/ (sin (* x 0.5)) (sin x))
93.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
39.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

series266.0ms

Counts
3 → 9
Calls
3 calls:
81.0ms
(/ (sin (* x 0.5)) (sin x))
129.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin (* x 0.5)) (sin x)))
55.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

simplify2.1s

Counts
113 → 113
Iterations

Useful iterations: 2 (363.0ms)

IterNodesCost
01891786
14471612
216051349
done50011349

prune450.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 0b

localize21.0ms

Local error

Found 3 expressions with local error:

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

rewrite162.0ms

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:
42.0ms
(/ (* (sin (* 0.5 x)) 8.0) 3.0)
29.0ms
(/ (sin (* x 0.5)) (sin x))
84.0ms
(* (/ (* (sin (* 0.5 x)) 8.0) 3.0) (/ (sin (* x 0.5)) (sin x)))

series287.0ms

Counts
3 → 9
Calls
3 calls:
62.0ms
(/ (* (sin (* 0.5 x)) 8.0) 3.0)
75.0ms
(/ (sin (* x 0.5)) (sin x))
150.0ms
(* (/ (* (sin (* 0.5 x)) 8.0) 3.0) (/ (sin (* x 0.5)) (sin x)))

simplify1.9s

Counts
109 → 109
Iterations

Useful iterations: 2 (485.0ms)

IterNodesCost
01841811
14501731
216541375
done50011375

prune527.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0b

localize32.0ms

Local error

Found 4 expressions with local error:

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

rewrite538.0ms

Algorithm
rewrite-expression-head
Rules
43×add-sqr-sqrt
37×times-frac
36×add-cube-cbrt *-un-lft-identity
34×add-exp-log add-cbrt-cube
33×associate-*l*
28×sqrt-prod
20×pow1
17×associate-*r*
16×prod-exp cbrt-unprod
13×sqrt-div associate-*l/
10×pow-prod-down
frac-times
cbrt-undiv expm1-log1p-u associate-*r/ div-exp log1p-expm1-u div-inv add-log-exp
associate-/r* *-commutative associate-/l* unswap-sqr
frac-2neg clear-num
Counts
4 → 147
Calls
4 calls:
26.0ms
(/ (sin (* x 0.5)) (sin x))
50.0ms
(* (sqrt (/ 8.0 3.0)) (sin (* x 0.5)))
334.0ms
(* (* (sqrt (/ 8.0 3.0)) (* (sqrt (/ 8.0 3.0)) (sin (* x 0.5)))) (/ (sin (* x 0.5)) (sin x)))
117.0ms
(* (sqrt (/ 8.0 3.0)) (* (sqrt (/ 8.0 3.0)) (sin (* x 0.5))))

series559.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(/ (sin (* x 0.5)) (sin x))
108.0ms
(* (sqrt (/ 8.0 3.0)) (sin (* x 0.5)))
240.0ms
(* (* (sqrt (/ 8.0 3.0)) (* (sqrt (/ 8.0 3.0)) (sin (* x 0.5)))) (/ (sin (* x 0.5)) (sin x)))
164.0ms
(* (sqrt (/ 8.0 3.0)) (* (sqrt (/ 8.0 3.0)) (sin (* x 0.5))))

simplify1.9s

Counts
159 → 159
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02402970
15752348
220881952
done50001945

prune593.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

regimes80.0ms

Accuracy

0% (0.5b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 0.5b

bsearch0.0ms

simplify7.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
01518
11916
done1916

end0.0ms

sample4.6s

Algorithm
intervals
Results
2.3s1569×body1280valid
1.1s1216×body640valid
576.0ms4238×body80valid
299.0ms643×body320valid
84.0ms334×body160valid