Details

Time bar (total: 13.5s)

sample137.0ms

Algorithm
intervals
Results
54.0ms53×body2560valid
34.0ms38×body1280valid
18.0ms41×body640valid
10.0ms39×body320valid
6.0ms67×body80valid
3.0ms18×body160valid

simplify15.0ms

Counts
1 → 1
Iterations
IterNodes
done30
430
328
223
115
06

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.2b

localize21.0ms

Local error

Found 2 expressions with local error:

2.2b
(- 1 (cos x))
15.8b
(/ (- 1 (cos x)) (* x x))

rewrite62.0ms

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:
13.0ms
(- 1 (cos x))
31.0ms
(/ (- 1 (cos x)) (* x x))

series102.0ms

Counts
2 → 6
Calls
2 calls:
33.0ms
(- 1 (cos x))
69.0ms
(/ (- 1 (cos x)) (* x x))

simplify3.0s

Counts
69 → 69
Iterations
IterNodes
done5001
34370
2867
1295
0121

prune271.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
0.2b
(* (sin x) (sin x))
0.5b
(+ 1 (cos x))
15.8b
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

rewrite92.0ms

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:
19.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
26.0ms
(* (sin x) (sin x))
10.0ms
(+ 1 (cos x))
34.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

series165.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
35.0ms
(* (sin x) (sin x))
18.0ms
(+ 1 (cos x))
72.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

simplify1.4s

Counts
138 → 138
Iterations
IterNodes
done5001
21777
1525
0190

prune552.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0b

localize18.0ms

Local error

Found 3 expressions with local error:

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

rewrite31.0ms

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:
15.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
6.0ms
(/ (tan (/ x 2)) x)
8.0ms
(/ (sin x) x)

series251.0ms

Counts
3 → 9
Calls
3 calls:
134.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
79.0ms
(/ (tan (/ x 2)) x)
38.0ms
(/ (sin x) x)

simplify1.7s

Counts
123 → 123
Iterations
IterNodes
done5002
21573
1453
0172

prune479.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize16.0ms

Local error

Found 3 expressions with local error:

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

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
22×times-frac
21×*-un-lft-identity add-cube-cbrt
19×add-cbrt-cube add-exp-log
13×associate-*r*
cbrt-undiv associate-/r* div-exp
pow1
prod-exp cbrt-unprod associate-/l*
expm1-log1p-u associate-*l* insert-posit16 log1p-expm1-u div-inv add-log-exp
clear-num frac-2neg associate-*r/ unswap-sqr associate-/l/
pow-prod-down tan-quot *-commutative
Counts
3 → 93
Calls
3 calls:
17.0ms
(/ (* (sin x) (/ (tan (/ x 2)) x)) x)
6.0ms
(/ (tan (/ x 2)) x)
13.0ms
(* (sin x) (/ (tan (/ x 2)) x))

series305.0ms

Counts
3 → 9
Calls
3 calls:
120.0ms
(/ (* (sin x) (/ (tan (/ x 2)) x)) x)
59.0ms
(/ (tan (/ x 2)) x)
126.0ms
(* (sin x) (/ (tan (/ x 2)) x))

simplify1.5s

Counts
102 → 102
Iterations
IterNodes
done5000
21337
1374
0154

prune265.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

regimes37.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done9
19
08

end0.0ms

sample3.1s

Algorithm
intervals
Results
1.3s1603×body2560valid
705.0ms1455×body640valid
527.0ms1229×body1280valid
298.0ms953×body320valid
124.0ms2260×body80valid
60.0ms500×body160valid