Details

Time bar (total: 25.3s)

sample166.0ms

Algorithm
intervals
Results
59.0ms52×body2560valid
31.0ms46×body1280valid
27.0ms71×body80valid
26.0ms48×body640valid
9.0ms24×body320valid
4.0ms15×body160valid

simplify17.0ms

Counts
1 → 1
Iterations
IterNodes
530
430
328
223
115
06

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.0b

localize11.0ms

Local error

Found 2 expressions with local error:

1.5b
(- 1 (cos x))
14.9b
(/ (- 1 (cos x)) (* x x))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt *-un-lft-identity
11×add-cube-cbrt
prod-diff
add-cbrt-cube add-exp-log
times-frac associate-/l* difference-of-squares
add-log-exp
fma-neg distribute-lft-out--
expm1-log1p-u pow1 cbrt-undiv flip3-- div-exp insert-posit16 log1p-expm1-u flip-- associate-/l/
clear-num associate-/r* sub-neg frac-2neg diff-log div-sub prod-exp cbrt-unprod div-inv
Counts
2 → 63
Calls
2 calls:
11.0ms
(- 1 (cos x))
20.0ms
(/ (- 1 (cos x)) (* x x))

series112.0ms

Counts
2 → 6
Calls
2 calls:
23.0ms
(- 1 (cos x))
89.0ms
(/ (- 1 (cos x)) (* x x))

simplify1.7s

Counts
69 → 69
Iterations
IterNodes
32853
2856
1289
0121

prune505.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
0.2b
(* (sin x) (sin x))
0.3b
(+ 1 (cos x))
15.0b
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
32×add-cbrt-cube add-exp-log
25×*-un-lft-identity
22×times-frac
17×add-sqr-sqrt
15×add-cube-cbrt
12×cbrt-undiv div-exp
11×pow1 associate-/l*
prod-exp cbrt-unprod
associate-/r/ add-log-exp
associate-/r* distribute-lft-out
expm1-log1p-u flip3-+ flip-+ insert-posit16 log1p-expm1-u div-inv
fma-def div-sub swap-sqr associate-*r* associate-*l* sqr-sin
clear-num frac-2neg sin-mult associate-/l/
pow2 +-commutative sum-log pow-plus pow-prod-down pow-sqr *-commutative pow-prod-up unswap-sqr
Counts
4 → 126
Calls
4 calls:
18.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
11.0ms
(* (sin x) (sin x))
5.0ms
(+ 1 (cos x))
34.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

series185.0ms

Counts
4 → 12
Calls
4 calls:
54.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
29.0ms
(* (sin x) (sin x))
11.0ms
(+ 1 (cos x))
91.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

simplify7.4s

Counts
138 → 138
Iterations
IterNodes
39178
21856
1511
0190

prune1.2s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0b

localize34.0ms

Local error

Found 3 expressions with local error:

0.1b
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
0.1b
(/ (sin x) x)
0.1b
(/ (tan (/ x 2)) x)

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
45×add-sqr-sqrt
40×times-frac
33×*-un-lft-identity add-cube-cbrt
19×add-cbrt-cube add-exp-log
13×associate-*r* associate-*l*
cbrt-undiv associate-/r* div-exp associate-/l*
pow1
prod-exp cbrt-unprod div-inv unswap-sqr
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
clear-num frac-2neg
frac-times pow-prod-down associate-*l/ tan-quot associate-*r/ *-commutative associate-/l/
Counts
3 → 114
Calls
3 calls:
29.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
15.0ms
(/ (sin x) x)
13.0ms
(/ (tan (/ x 2)) x)

series233.0ms

Counts
3 → 9
Calls
3 calls:
111.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
34.0ms
(/ (sin x) x)
87.0ms
(/ (tan (/ x 2)) x)

simplify2.8s

Counts
123 → 123
Iterations
IterNodes
35682
21662
1451
0172

prune873.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

localize33.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (/ (tan (/ x 2)) x) x)
0.1b
(/ (tan (/ x 2)) x)
0.2b
(* (sin x) (/ (/ (tan (/ x 2)) x) x))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
153×times-frac
98×add-sqr-sqrt
89×*-un-lft-identity add-cube-cbrt
43×associate-*r*
19×add-cbrt-cube add-exp-log
16×associate-/l*
10×div-inv
cbrt-undiv div-exp
associate-/r*
pow1
expm1-log1p-u associate-*l* prod-exp cbrt-unprod insert-posit16 log1p-expm1-u add-log-exp unswap-sqr
clear-num frac-2neg associate-/l/
pow-prod-down tan-quot associate-*r/ *-commutative
Counts
3 → 172
Calls
3 calls:
12.0ms
(/ (/ (tan (/ x 2)) x) x)
8.0ms
(/ (tan (/ x 2)) x)
32.0ms
(* (sin x) (/ (/ (tan (/ x 2)) x) x))

series199.0ms

Counts
3 → 9
Calls
3 calls:
57.0ms
(/ (/ (tan (/ x 2)) x) x)
53.0ms
(/ (tan (/ x 2)) x)
88.0ms
(* (sin x) (/ (/ (tan (/ x 2)) x) x))

simplify3.0s

Counts
181 → 181
Iterations
IterNodes
37864
21950
1629
0253

prune1.6s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

regimes50.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
29
19
08

end0.0ms

sample5.0s

Algorithm
intervals
Results
2.3s1612×body2560valid
992.0ms1199×body1280valid
760.0ms1519×body640valid
378.0ms949×body320valid
261.0ms2246×body80valid
148.0ms475×body160valid