Details

Time bar (total: 13.9s)

sample178.0ms

Algorithm
intervals
Results
94.0ms63×body2560valid
26.0ms55×body640valid
22.0ms32×body1280valid
11.0ms27×body320valid
8.0ms66×body80valid
5.0ms13×body160valid

simplify58.0ms

Counts
1 → 1

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.8b

localize10.0ms

Local error

Found 2 expressions with local error:

17.8b
(/ (- 1 (cos x)) (* x x))
1.1b
(- 1 (cos x))

rewrite31.0ms

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:
Slowest
16.0ms
(/ (- 1 (cos x)) (* x x))
13.0ms
(- 1 (cos x))

series89.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
62.0ms
(/ (- 1 (cos x)) (* x x))
27.0ms
(- 1 (cos x))

simplify861.0ms

Counts
69 → 69

prune593.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 4 expressions with local error:

17.5b
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))
0.4b
(+ 1 (cos x))
0.3b
(* (sin x) (sin x))
0.2b
(/ (* (sin x) (sin x)) (+ 1 (cos x)))

rewrite65.0ms

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:
Slowest
22.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
20.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))
12.0ms
(* (sin x) (sin x))
9.0ms
(+ 1 (cos x))

series171.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
71.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))
55.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
29.0ms
(* (sin x) (sin x))
15.0ms
(+ 1 (cos x))

simplify567.0ms

Counts
138 → 138

prune1.2s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0b

localize34.0ms

Local error

Found 3 expressions with local error:

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

rewrite66.0ms

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:
Slowest
36.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
15.0ms
(/ (sin x) x)
12.0ms
(/ (tan (/ x 2)) x)

series272.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
132.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
82.0ms
(/ (tan (/ x 2)) x)
58.0ms
(/ (sin x) x)

simplify2.0s

Counts
123 → 123

prune994.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize43.0ms

Local error

Found 4 expressions with local error:

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

rewrite85.0ms

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:
Slowest
41.0ms
(* (/ (sin x) x) (/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x)))
18.0ms
(/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x))
17.0ms
(* (cos (* 1/2 x)) x)
7.0ms
(/ (sin x) x)

series274.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
133.0ms
(* (/ (sin x) x) (/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x)))
61.0ms
(/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x))
42.0ms
(/ (sin x) x)
38.0ms
(* (cos (* 1/2 x)) x)

simplify747.0ms

Counts
136 → 136

prune1.4s

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

regimes60.0ms

Accuracy

0% (0.1b remaining)

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

bsearch1.0ms

end0.0ms

sample4.1s

Algorithm
intervals
Results
1.5s1661×body2560valid
1.1s1436×body640valid
718.0ms1162×body1280valid
300.0ms2290×body80valid
282.0ms949×body320valid
88.0ms502×body160valid