Details

Time bar (total: 15.3s)

sample153.0ms

Algorithm
intervals
Results
61.0ms63×body2560valid
27.0ms41×body1280valid
24.0ms74×body80valid
21.0ms46×body640valid
6.0ms17×body320valid
3.0ms15×body160valid

simplify17.0ms

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

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.6b

localize11.0ms

Local error

Found 2 expressions with local error:

0.9b
(- 1 (cos x))
19.2b
(/ (- 1 (cos x)) (* x x))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt *-un-lft-identity
add-cbrt-cube add-exp-log
times-frac associate-/l* difference-of-squares
add-cube-cbrt add-log-exp
distribute-lft-out--
pow1 cbrt-undiv flip3-- div-exp insert-posit16 flip-- associate-/l/
clear-num associate-/r* sub-neg frac-2neg diff-log div-sub prod-exp cbrt-unprod div-inv
Counts
2 → 47
Calls
2 calls:
16.0ms
(- 1 (cos x))
20.0ms
(/ (- 1 (cos x)) (* x x))

series109.0ms

Counts
2 → 6
Calls
2 calls:
22.0ms
(- 1 (cos x))
87.0ms
(/ (- 1 (cos x)) (* x x))

simplify2.1s

Counts
53 → 53
Iterations
IterNodes
done5021
33531
2777
1230
093

prune189.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize40.0ms

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))
18.9b
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
32×add-cbrt-cube add-exp-log
24×*-un-lft-identity
22×times-frac
16×add-sqr-sqrt
14×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
flip3-+ flip-+ insert-posit16 div-inv
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 → 115
Calls
4 calls:
16.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
11.0ms
(* (sin x) (sin x))
5.0ms
(+ 1 (cos x))
28.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

series174.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
29.0ms
(* (sin x) (sin x))
19.0ms
(+ 1 (cos x))
82.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

simplify2.1s

Counts
127 → 127
Iterations
IterNodes
done5001
22002
1507
0182

prune453.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0b

localize19.0ms

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)

rewrite39.0ms

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
insert-posit16 add-log-exp
clear-num frac-2neg
frac-times pow-prod-down associate-*l/ tan-quot associate-*r/ *-commutative associate-/l/
Counts
3 → 108
Calls
3 calls:
15.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
10.0ms
(/ (sin x) x)
11.0ms
(/ (tan (/ x 2)) x)

series272.0ms

Counts
3 → 9
Calls
3 calls:
132.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
41.0ms
(/ (sin x) x)
98.0ms
(/ (tan (/ x 2)) x)

simplify1.9s

Counts
117 → 117
Iterations
IterNodes
done5000
21577
1448
0166

prune493.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

localize38.0ms

Local error

Found 2 expressions with local error:

0.4b
(/ (/ (sin x) 1) (/ (* x x) (tan (/ x 2))))
18.1b
(/ (* x x) (tan (/ x 2)))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
230×times-frac
95×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
37×add-exp-log
28×add-cbrt-cube
25×div-inv
23×div-exp
16×associate-/r/
15×cbrt-undiv tan-quot
14×associate-/l*
11×associate-/r*
prod-exp
1-exp cbrt-unprod
pow1 clear-num frac-2neg insert-posit16 add-log-exp
associate-/l/
Counts
2 → 176
Calls
2 calls:
16.0ms
(/ (/ (sin x) 1) (/ (* x x) (tan (/ x 2))))
17.0ms
(/ (* x x) (tan (/ x 2)))

series236.0ms

Counts
2 → 6
Calls
2 calls:
130.0ms
(/ (/ (sin x) 1) (/ (* x x) (tan (/ x 2))))
106.0ms
(/ (* x x) (tan (/ x 2)))

simplify1.7s

Counts
182 → 182
Iterations
IterNodes
done5019
23280
11030
0350

prune773.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

regimes48.0ms

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
done9
19
08

end0.0ms

sample4.3s

Algorithm
intervals
Results
1.9s1584×body2560valid
880.0ms1210×body1280valid
741.0ms1487×body640valid
351.0ms910×body320valid
264.0ms2328×body80valid
98.0ms481×body160valid