Details

Time bar (total: 1.4m)

sample112.0ms

Algorithm
intervals
Results
38.0ms49×body2560valid
27.0ms35×body1280valid
18.0ms46×body640valid
10.0ms30×body320valid
6.0ms73×body80valid
4.0ms23×body160valid

simplify15.0ms

Counts
1 → 1
Iterations
IterNodes
528
428
326
221
113
06

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.8b

localize12.0ms

Local error

Found 2 expressions with local error:

2.0b
(- 1 (cos x))
13.7b
(/ (- 1 (cos x)) (* x x))

rewrite63.0ms

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:
6.0ms
(- 1 (cos x))
56.0ms
(/ (- 1 (cos x)) (* x x))

series114.0ms

Counts
2 → 6
Calls
2 calls:
29.0ms
(- 1 (cos x))
85.0ms
(/ (- 1 (cos x)) (* x x))

simplify1.8s

Counts
69 → 69
Iterations
IterNodes
33060
2858
1288
0121

prune469.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize24.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
0.3b
(* (sin x) (sin x))
0.3b
(+ 1 (cos x))
13.8b
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

rewrite74.0ms

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:
32.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
11.0ms
(* (sin x) (sin x))
5.0ms
(+ 1 (cos x))
20.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

series230.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
29.0ms
(* (sin x) (sin x))
19.0ms
(+ 1 (cos x))
116.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

simplify8.7s

Counts
138 → 138
Iterations
IterNodes
39653
21861
1512
0190

prune1.2s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0b

localize29.0ms

Local error

Found 3 expressions with local error:

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

rewrite36.0ms

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:
18.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
8.0ms
(/ (sin x) x)
10.0ms
(/ (tan (/ x 2)) x)

series210.0ms

Counts
3 → 9
Calls
3 calls:
100.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
43.0ms
(/ (sin x) x)
67.0ms
(/ (tan (/ x 2)) x)

simplify8.5s

Counts
123 → 123
Iterations
IterNodes
36069
21656
1449
0172

prune936.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (/ (sin x) x) (/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x)))
0.1b
(/ (sin x) x)
0.1b
(* (cos (* 1/2 x)) x)
0.2b
(/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x))

rewrite103.0ms

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
16×associate-*l*
10×cbrt-undiv div-exp associate-*r* prod-exp cbrt-unprod
pow1
associate-/l*
expm1-log1p-u associate-/r* insert-posit16 log1p-expm1-u div-inv add-log-exp
unswap-sqr
clear-num frac-2neg pow-prod-down *-commutative
frac-times associate-*l/ associate-*r/
Counts
4 → 124
Calls
4 calls:
47.0ms
(* (/ (sin x) x) (/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x)))
8.0ms
(/ (sin x) x)
18.0ms
(* (cos (* 1/2 x)) x)
28.0ms
(/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x))

series238.0ms

Counts
4 → 12
Calls
4 calls:
89.0ms
(* (/ (sin x) x) (/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x)))
35.0ms
(/ (sin x) x)
41.0ms
(* (cos (* 1/2 x)) x)
74.0ms
(/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x))

simplify57.3s

Counts
136 → 136
Iterations
IterNodes
313053
21852
1489
0192

prune1.2s

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

regimes64.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
213
113
010

end0.0ms

sample4.8s

Algorithm
intervals
Results
1.8s1559×body2560valid
951.0ms1309×body1280valid
780.0ms1511×body640valid
678.0ms934×body320valid
348.0ms2228×body80valid
106.0ms459×body160valid