Details

Time bar (total: 13.5s)

sample76.0ms

Algorithm
intervals
Results
32.0ms53×body1280valid
15.0ms36×body640valid
12.0ms143×body80valid
4.0ms15×body320valid
2.0msbody160valid

simplify589.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01116
12016
24316
38916
416816
525716
627316
done27316

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.9b

localize14.0ms

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)))
13.7b
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

rewrite219.0ms

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:
93.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
37.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
85.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

series227.0ms

Counts
3 → 9
Calls
3 calls:
70.0ms
(* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5)))
51.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))
106.0ms
(/ (* (* (/ 8.0 3.0) (sin (* x 0.5))) (sin (* x 0.5))) (sin x))

simplify1.4s

Counts
94 → 94
Iterations

Useful iterations: 2 (300.0ms)

IterNodesCost
01691554
14051349
214801080
done50001080

prune294.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.1b

localize18.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin x) (sin (* 0.5 x))))
0.2b
(/ (sin x) (sin (* 0.5 x)))
0.4b
(* (/ 8.0 3.0) (sin (* x 0.5)))

rewrite101.0ms

Algorithm
rewrite-expression-head
Rules
50×times-frac
38×add-sqr-sqrt
33×add-cube-cbrt *-un-lft-identity
31×add-exp-log add-cbrt-cube
16×associate-/r*
13×cbrt-undiv div-exp associate-*l*
prod-exp cbrt-unprod
pow1 div-inv
associate-/l*
expm1-log1p-u associate-*r* log1p-expm1-u add-log-exp
frac-2neg associate-*l/ clear-num unswap-sqr
pow-prod-down associate-/r/ *-commutative associate-/l/
Counts
3 → 116
Calls
3 calls:
51.0ms
(/ (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin x) (sin (* 0.5 x))))
12.0ms
(/ (sin x) (sin (* 0.5 x)))
32.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

series162.0ms

Counts
3 → 9
Calls
3 calls:
76.0ms
(/ (* (/ 8.0 3.0) (sin (* x 0.5))) (/ (sin x) (sin (* 0.5 x))))
44.0ms
(/ (sin x) (sin (* 0.5 x)))
42.0ms
(* (/ 8.0 3.0) (sin (* x 0.5)))

simplify1.3s

Counts
125 → 125
Iterations

Useful iterations: 2 (392.0ms)

IterNodesCost
02222116
15271956
218431662
done50001662

prune459.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0b

localize20.0ms

Local error

Found 3 expressions with local error:

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

rewrite77.0ms

Algorithm
rewrite-expression-head
Rules
49×times-frac
33×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
28×add-exp-log add-cbrt-cube
19×associate-/r*
13×cbrt-undiv div-exp
associate-/l*
div-inv
prod-exp cbrt-unprod
pow1 expm1-log1p-u frac-2neg clear-num log1p-expm1-u add-log-exp
associate-*r/ associate-/r/ associate-/l/
Counts
3 → 111
Calls
3 calls:
17.0ms
(/ (sin (* 0.5 x)) 3.0)
38.0ms
(/ (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (/ (sin x) (sin (* 0.5 x))))
17.0ms
(/ (sin x) (sin (* 0.5 x)))

series193.0ms

Counts
3 → 9
Calls
3 calls:
50.0ms
(/ (sin (* 0.5 x)) 3.0)
86.0ms
(/ (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (/ (sin x) (sin (* 0.5 x))))
56.0ms
(/ (sin x) (sin (* 0.5 x)))

simplify1.1s

Counts
120 → 120
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02102055
14921969
217311625
done50001623

prune362.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sin (* 0.5 x)) 3.0)
0.1b
(/ (sin (* 0.5 x)) (sin x))
0.1b
(/ (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (/ 1 (/ (sin (* 0.5 x)) (sin x))))
0.2b
(/ 1 (/ (sin (* 0.5 x)) (sin x)))

rewrite116.0ms

Algorithm
rewrite-expression-head
Rules
269×times-frac
132×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
97×add-exp-log
63×associate-/r*
58×div-exp
49×add-cbrt-cube
26×cbrt-undiv
16×div-inv
14×prod-exp
10×associate-/l*
rec-exp 1-exp
cbrt-unprod
pow1
expm1-log1p-u frac-2neg clear-num associate-/r/ log1p-expm1-u add-log-exp
pow-flip associate-*r/ associate-/l/ inv-pow
Counts
4 → 269
Calls
4 calls:
16.0ms
(/ (sin (* 0.5 x)) 3.0)
19.0ms
(/ (sin (* 0.5 x)) (sin x))
49.0ms
(/ (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (/ 1 (/ (sin (* 0.5 x)) (sin x))))
19.0ms
(/ 1 (/ (sin (* 0.5 x)) (sin x)))

series231.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(/ (sin (* 0.5 x)) 3.0)
54.0ms
(/ (sin (* 0.5 x)) (sin x))
80.0ms
(/ (* 8.0 (/ (sin (* 0.5 x)) 3.0)) (/ 1 (/ (sin (* 0.5 x)) (sin x))))
48.0ms
(/ 1 (/ (sin (* 0.5 x)) (sin x)))

simplify1.5s

Counts
281 → 281
Iterations

Useful iterations: 2 (646.0ms)

IterNodesCost
04155791
110104965
226334166
done50004166

prune705.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0b

regimes35.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01116
11316
done1316

end0.0ms

sample4.2s

Algorithm
intervals
Results
1.5s1466×body1280valid
907.0ms1254×body640valid
874.0ms4344×body80valid
574.0ms617×body320valid
142.0ms319×body160valid